mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
d74ca6fdb4
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
4613 lines
169 KiB
C
4613 lines
169 KiB
C
/*
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* The simplest mpeg encoder (well, it was the simplest!)
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* Copyright (c) 2000,2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* non linear quantizers with large QPs and VBV with restrictive qmin fixes sponsored by NOA GmbH
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*/
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/**
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* @file
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* The simplest mpeg encoder (well, it was the simplest!).
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*/
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#include "config_components.h"
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#include <stdint.h>
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#include "libavutil/internal.h"
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#include "libavutil/intmath.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/mem_internal.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/opt.h"
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#include "libavutil/thread.h"
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#include "avcodec.h"
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#include "dct.h"
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#include "encode.h"
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#include "idctdsp.h"
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#include "mpeg12codecs.h"
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#include "mpeg12data.h"
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#include "mpeg12enc.h"
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#include "mpegvideo.h"
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#include "mpegvideodata.h"
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#include "mpegvideoenc.h"
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#include "h261enc.h"
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#include "h263.h"
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#include "h263data.h"
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#include "h263enc.h"
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#include "mjpegenc_common.h"
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#include "mathops.h"
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#include "mpegutils.h"
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#include "mjpegenc.h"
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#include "speedhqenc.h"
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#include "msmpeg4enc.h"
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#include "pixblockdsp.h"
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#include "qpeldsp.h"
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#include "faandct.h"
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#include "aandcttab.h"
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#include "flvenc.h"
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#include "mpeg4video.h"
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#include "mpeg4videodata.h"
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#include "mpeg4videoenc.h"
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#include "internal.h"
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#include "bytestream.h"
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#include "wmv2enc.h"
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#include "rv10enc.h"
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#include "packet_internal.h"
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#include <limits.h>
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#include "sp5x.h"
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#define QUANT_BIAS_SHIFT 8
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#define QMAT_SHIFT_MMX 16
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#define QMAT_SHIFT 21
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static int encode_picture(MpegEncContext *s, int picture_number);
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static int dct_quantize_refine(MpegEncContext *s, int16_t *block, int16_t *weight, int16_t *orig, int n, int qscale);
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static int sse_mb(MpegEncContext *s);
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static void denoise_dct_c(MpegEncContext *s, int16_t *block);
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static int dct_quantize_trellis_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow);
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static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_DMV * 2 + 1];
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static uint8_t default_fcode_tab[MAX_MV * 2 + 1];
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static const AVOption mpv_generic_options[] = {
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FF_MPV_COMMON_OPTS
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FF_MPV_COMMON_MOTION_EST_OPTS
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{ NULL },
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};
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const AVClass ff_mpv_enc_class = {
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.class_name = "generic mpegvideo encoder",
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.item_name = av_default_item_name,
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.option = mpv_generic_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64],
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uint16_t (*qmat16)[2][64],
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const uint16_t *quant_matrix,
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int bias, int qmin, int qmax, int intra)
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{
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FDCTDSPContext *fdsp = &s->fdsp;
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int qscale;
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int shift = 0;
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for (qscale = qmin; qscale <= qmax; qscale++) {
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int i;
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int qscale2;
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if (s->q_scale_type) qscale2 = ff_mpeg2_non_linear_qscale[qscale];
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else qscale2 = qscale << 1;
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if (fdsp->fdct == ff_jpeg_fdct_islow_8 ||
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#if CONFIG_FAANDCT
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fdsp->fdct == ff_faandct ||
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#endif /* CONFIG_FAANDCT */
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fdsp->fdct == ff_jpeg_fdct_islow_10) {
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for (i = 0; i < 64; i++) {
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const int j = s->idsp.idct_permutation[i];
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int64_t den = (int64_t) qscale2 * quant_matrix[j];
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/* 16 <= qscale * quant_matrix[i] <= 7905
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* Assume x = ff_aanscales[i] * qscale * quant_matrix[i]
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* 19952 <= x <= 249205026
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* (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026
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* 3444240 >= (1 << 36) / (x) >= 275 */
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qmat[qscale][i] = (int)((UINT64_C(2) << QMAT_SHIFT) / den);
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}
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} else if (fdsp->fdct == ff_fdct_ifast) {
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for (i = 0; i < 64; i++) {
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const int j = s->idsp.idct_permutation[i];
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int64_t den = ff_aanscales[i] * (int64_t) qscale2 * quant_matrix[j];
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/* 16 <= qscale * quant_matrix[i] <= 7905
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* Assume x = ff_aanscales[i] * qscale * quant_matrix[i]
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* 19952 <= x <= 249205026
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* (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026
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* 3444240 >= (1 << 36) / (x) >= 275 */
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qmat[qscale][i] = (int)((UINT64_C(2) << (QMAT_SHIFT + 14)) / den);
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}
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} else {
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for (i = 0; i < 64; i++) {
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const int j = s->idsp.idct_permutation[i];
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int64_t den = (int64_t) qscale2 * quant_matrix[j];
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/* We can safely suppose that 16 <= quant_matrix[i] <= 255
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* Assume x = qscale * quant_matrix[i]
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* So 16 <= x <= 7905
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* so (1 << 19) / 16 >= (1 << 19) / (x) >= (1 << 19) / 7905
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* so 32768 >= (1 << 19) / (x) >= 67 */
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qmat[qscale][i] = (int)((UINT64_C(2) << QMAT_SHIFT) / den);
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//qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) /
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// (qscale * quant_matrix[i]);
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qmat16[qscale][0][i] = (2 << QMAT_SHIFT_MMX) / den;
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if (qmat16[qscale][0][i] == 0 ||
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qmat16[qscale][0][i] == 128 * 256)
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qmat16[qscale][0][i] = 128 * 256 - 1;
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qmat16[qscale][1][i] =
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ROUNDED_DIV(bias * (1<<(16 - QUANT_BIAS_SHIFT)),
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qmat16[qscale][0][i]);
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}
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}
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for (i = intra; i < 64; i++) {
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int64_t max = 8191;
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if (fdsp->fdct == ff_fdct_ifast) {
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max = (8191LL * ff_aanscales[i]) >> 14;
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}
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while (((max * qmat[qscale][i]) >> shift) > INT_MAX) {
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shift++;
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}
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}
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}
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if (shift) {
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av_log(s->avctx, AV_LOG_INFO,
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"Warning, QMAT_SHIFT is larger than %d, overflows possible\n",
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QMAT_SHIFT - shift);
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}
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}
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static inline void update_qscale(MpegEncContext *s)
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{
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if (s->q_scale_type == 1 && 0) {
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int i;
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int bestdiff=INT_MAX;
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int best = 1;
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for (i = 0 ; i<FF_ARRAY_ELEMS(ff_mpeg2_non_linear_qscale); i++) {
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int diff = FFABS((ff_mpeg2_non_linear_qscale[i]<<(FF_LAMBDA_SHIFT + 6)) - (int)s->lambda * 139);
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if (ff_mpeg2_non_linear_qscale[i] < s->avctx->qmin ||
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(ff_mpeg2_non_linear_qscale[i] > s->avctx->qmax && !s->vbv_ignore_qmax))
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continue;
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if (diff < bestdiff) {
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bestdiff = diff;
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best = i;
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}
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}
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s->qscale = best;
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} else {
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s->qscale = (s->lambda * 139 + FF_LAMBDA_SCALE * 64) >>
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(FF_LAMBDA_SHIFT + 7);
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s->qscale = av_clip(s->qscale, s->avctx->qmin, s->vbv_ignore_qmax ? 31 : s->avctx->qmax);
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}
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s->lambda2 = (s->lambda * s->lambda + FF_LAMBDA_SCALE / 2) >>
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FF_LAMBDA_SHIFT;
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}
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void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix)
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{
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int i;
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if (matrix) {
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put_bits(pb, 1, 1);
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for (i = 0; i < 64; i++) {
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put_bits(pb, 8, matrix[ff_zigzag_direct[i]]);
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}
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} else
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put_bits(pb, 1, 0);
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}
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/**
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* init s->current_picture.qscale_table from s->lambda_table
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*/
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void ff_init_qscale_tab(MpegEncContext *s)
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{
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int8_t * const qscale_table = s->current_picture.qscale_table;
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int i;
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for (i = 0; i < s->mb_num; i++) {
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unsigned int lam = s->lambda_table[s->mb_index2xy[i]];
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int qp = (lam * 139 + FF_LAMBDA_SCALE * 64) >> (FF_LAMBDA_SHIFT + 7);
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qscale_table[s->mb_index2xy[i]] = av_clip(qp, s->avctx->qmin,
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s->avctx->qmax);
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}
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}
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static void update_duplicate_context_after_me(MpegEncContext *dst,
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const MpegEncContext *src)
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{
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#define COPY(a) dst->a= src->a
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COPY(pict_type);
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COPY(current_picture);
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COPY(f_code);
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COPY(b_code);
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COPY(qscale);
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COPY(lambda);
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COPY(lambda2);
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COPY(frame_pred_frame_dct); // FIXME don't set in encode_header
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COPY(progressive_frame); // FIXME don't set in encode_header
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COPY(partitioned_frame); // FIXME don't set in encode_header
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#undef COPY
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}
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static void mpv_encode_init_static(void)
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{
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for (int i = -16; i < 16; i++)
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default_fcode_tab[i + MAX_MV] = 1;
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}
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/**
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* Set the given MpegEncContext to defaults for encoding.
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* the changed fields will not depend upon the prior state of the MpegEncContext.
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*/
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static void mpv_encode_defaults(MpegEncContext *s)
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{
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static AVOnce init_static_once = AV_ONCE_INIT;
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ff_mpv_common_defaults(s);
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ff_thread_once(&init_static_once, mpv_encode_init_static);
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s->me.mv_penalty = default_mv_penalty;
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s->fcode_tab = default_fcode_tab;
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s->input_picture_number = 0;
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s->picture_in_gop_number = 0;
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}
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av_cold int ff_dct_encode_init(MpegEncContext *s)
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{
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#if ARCH_X86
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ff_dct_encode_init_x86(s);
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#endif
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if (CONFIG_H263_ENCODER)
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ff_h263dsp_init(&s->h263dsp);
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if (!s->dct_quantize)
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s->dct_quantize = ff_dct_quantize_c;
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if (!s->denoise_dct)
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s->denoise_dct = denoise_dct_c;
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s->fast_dct_quantize = s->dct_quantize;
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if (s->avctx->trellis)
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s->dct_quantize = dct_quantize_trellis_c;
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return 0;
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}
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/* init video encoder */
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av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
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{
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MpegEncContext *s = avctx->priv_data;
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AVCPBProperties *cpb_props;
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int i, ret;
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int mb_array_size, mv_table_size;
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mpv_encode_defaults(s);
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switch (avctx->pix_fmt) {
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case AV_PIX_FMT_YUVJ444P:
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case AV_PIX_FMT_YUV444P:
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s->chroma_format = CHROMA_444;
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break;
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case AV_PIX_FMT_YUVJ422P:
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case AV_PIX_FMT_YUV422P:
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s->chroma_format = CHROMA_422;
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break;
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case AV_PIX_FMT_YUVJ420P:
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case AV_PIX_FMT_YUV420P:
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default:
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s->chroma_format = CHROMA_420;
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break;
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}
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avctx->bits_per_raw_sample = av_clip(avctx->bits_per_raw_sample, 0, 8);
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s->bit_rate = avctx->bit_rate;
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s->width = avctx->width;
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s->height = avctx->height;
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if (avctx->gop_size > 600 &&
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avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
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av_log(avctx, AV_LOG_WARNING,
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"keyframe interval too large!, reducing it from %d to %d\n",
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avctx->gop_size, 600);
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avctx->gop_size = 600;
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}
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s->gop_size = avctx->gop_size;
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s->avctx = avctx;
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if (avctx->max_b_frames > MAX_B_FRAMES) {
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av_log(avctx, AV_LOG_ERROR, "Too many B-frames requested, maximum "
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"is %d.\n", MAX_B_FRAMES);
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avctx->max_b_frames = MAX_B_FRAMES;
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} else if (avctx->max_b_frames < 0) {
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av_log(avctx, AV_LOG_ERROR,
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"max b frames must be 0 or positive for mpegvideo based encoders\n");
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return AVERROR(EINVAL);
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}
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s->max_b_frames = avctx->max_b_frames;
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s->codec_id = avctx->codec->id;
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if (s->max_b_frames && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
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av_log(avctx, AV_LOG_ERROR, "B-frames not supported by codec\n");
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return AVERROR(EINVAL);
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}
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s->quarter_sample = (avctx->flags & AV_CODEC_FLAG_QPEL) != 0;
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s->rtp_mode = !!s->rtp_payload_size;
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s->intra_dc_precision = avctx->intra_dc_precision;
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// workaround some differences between how applications specify dc precision
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if (s->intra_dc_precision < 0) {
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s->intra_dc_precision += 8;
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} else if (s->intra_dc_precision >= 8)
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s->intra_dc_precision -= 8;
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if (s->intra_dc_precision < 0) {
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av_log(avctx, AV_LOG_ERROR,
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"intra dc precision must be positive, note some applications use"
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" 0 and some 8 as base meaning 8bit, the value must not be smaller than that\n");
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return AVERROR(EINVAL);
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}
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if (s->intra_dc_precision > (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO ? 3 : 0)) {
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av_log(avctx, AV_LOG_ERROR, "intra dc precision too large\n");
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return AVERROR(EINVAL);
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}
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s->user_specified_pts = AV_NOPTS_VALUE;
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if (s->gop_size <= 1) {
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s->intra_only = 1;
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s->gop_size = 12;
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} else {
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s->intra_only = 0;
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}
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/* Fixed QSCALE */
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s->fixed_qscale = !!(avctx->flags & AV_CODEC_FLAG_QSCALE);
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s->adaptive_quant = (avctx->lumi_masking ||
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avctx->dark_masking ||
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avctx->temporal_cplx_masking ||
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avctx->spatial_cplx_masking ||
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avctx->p_masking ||
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s->border_masking ||
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(s->mpv_flags & FF_MPV_FLAG_QP_RD)) &&
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!s->fixed_qscale;
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s->loop_filter = !!(avctx->flags & AV_CODEC_FLAG_LOOP_FILTER);
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if (avctx->rc_max_rate && !avctx->rc_buffer_size) {
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switch(avctx->codec_id) {
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case AV_CODEC_ID_MPEG1VIDEO:
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case AV_CODEC_ID_MPEG2VIDEO:
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avctx->rc_buffer_size = FFMAX(avctx->rc_max_rate, 15000000) * 112LL / 15000000 * 16384;
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break;
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case AV_CODEC_ID_MPEG4:
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case AV_CODEC_ID_MSMPEG4V1:
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case AV_CODEC_ID_MSMPEG4V2:
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case AV_CODEC_ID_MSMPEG4V3:
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if (avctx->rc_max_rate >= 15000000) {
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avctx->rc_buffer_size = 320 + (avctx->rc_max_rate - 15000000LL) * (760-320) / (38400000 - 15000000);
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} else if(avctx->rc_max_rate >= 2000000) {
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avctx->rc_buffer_size = 80 + (avctx->rc_max_rate - 2000000LL) * (320- 80) / (15000000 - 2000000);
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} else if(avctx->rc_max_rate >= 384000) {
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avctx->rc_buffer_size = 40 + (avctx->rc_max_rate - 384000LL) * ( 80- 40) / ( 2000000 - 384000);
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} else
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avctx->rc_buffer_size = 40;
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avctx->rc_buffer_size *= 16384;
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break;
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}
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if (avctx->rc_buffer_size) {
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av_log(avctx, AV_LOG_INFO, "Automatically choosing VBV buffer size of %d kbyte\n", avctx->rc_buffer_size/8192);
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}
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}
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|
|
if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) {
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
|
|
}
|
|
|
|
if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) {
|
|
av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
|
|
av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (avctx->rc_max_rate &&
|
|
avctx->rc_max_rate == avctx->bit_rate &&
|
|
avctx->rc_max_rate != avctx->rc_min_rate) {
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"impossible bitrate constraints, this will fail\n");
|
|
}
|
|
|
|
if (avctx->rc_buffer_size &&
|
|
avctx->bit_rate * (int64_t)avctx->time_base.num >
|
|
avctx->rc_buffer_size * (int64_t)avctx->time_base.den) {
|
|
av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (!s->fixed_qscale &&
|
|
avctx->bit_rate * av_q2d(avctx->time_base) >
|
|
avctx->bit_rate_tolerance) {
|
|
double nbt = avctx->bit_rate * av_q2d(avctx->time_base) * 5;
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"bitrate tolerance %d too small for bitrate %"PRId64", overriding\n", avctx->bit_rate_tolerance, avctx->bit_rate);
|
|
if (nbt <= INT_MAX) {
|
|
avctx->bit_rate_tolerance = nbt;
|
|
} else
|
|
avctx->bit_rate_tolerance = INT_MAX;
|
|
}
|
|
|
|
if (avctx->rc_max_rate &&
|
|
avctx->rc_min_rate == avctx->rc_max_rate &&
|
|
(s->codec_id == AV_CODEC_ID_MPEG1VIDEO ||
|
|
s->codec_id == AV_CODEC_ID_MPEG2VIDEO) &&
|
|
90000LL * (avctx->rc_buffer_size - 1) >
|
|
avctx->rc_max_rate * 0xFFFFLL) {
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"Warning vbv_delay will be set to 0xFFFF (=VBR) as the "
|
|
"specified vbv buffer is too large for the given bitrate!\n");
|
|
}
|
|
|
|
if ((avctx->flags & AV_CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 &&
|
|
s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P &&
|
|
s->codec_id != AV_CODEC_ID_FLV1) {
|
|
av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (s->obmc && avctx->mb_decision != FF_MB_DECISION_SIMPLE) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"OBMC is only supported with simple mb decision\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (s->quarter_sample && s->codec_id != AV_CODEC_ID_MPEG4) {
|
|
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if ((s->codec_id == AV_CODEC_ID_MPEG4 ||
|
|
s->codec_id == AV_CODEC_ID_H263 ||
|
|
s->codec_id == AV_CODEC_ID_H263P) &&
|
|
(avctx->sample_aspect_ratio.num > 255 ||
|
|
avctx->sample_aspect_ratio.den > 255)) {
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
"Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
|
|
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
|
|
av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den,
|
|
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255);
|
|
}
|
|
|
|
if ((s->codec_id == AV_CODEC_ID_H263 ||
|
|
s->codec_id == AV_CODEC_ID_H263P) &&
|
|
(avctx->width > 2048 ||
|
|
avctx->height > 1152 )) {
|
|
av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if ((s->codec_id == AV_CODEC_ID_H263 ||
|
|
s->codec_id == AV_CODEC_ID_H263P ||
|
|
s->codec_id == AV_CODEC_ID_RV20) &&
|
|
((avctx->width &3) ||
|
|
(avctx->height&3) )) {
|
|
av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 4\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (s->codec_id == AV_CODEC_ID_RV10 &&
|
|
(avctx->width &15 ||
|
|
avctx->height&15 )) {
|
|
av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if ((s->codec_id == AV_CODEC_ID_WMV1 ||
|
|
s->codec_id == AV_CODEC_ID_WMV2) &&
|
|
avctx->width & 1) {
|
|
av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if ((avctx->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME)) &&
|
|
s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
|
|
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if ((s->mpv_flags & FF_MPV_FLAG_CBP_RD) && !avctx->trellis) {
|
|
av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) &&
|
|
avctx->mb_decision != FF_MB_DECISION_RD) {
|
|
av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (s->scenechange_threshold < 1000000000 &&
|
|
(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP)) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"closed gop with scene change detection are not supported yet, "
|
|
"set threshold to 1000000000\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
}
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) {
|
|
if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO &&
|
|
avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"low delay forcing is only available for mpeg2, "
|
|
"set strict_std_compliance to 'unofficial' or lower in order to allow it\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (s->max_b_frames != 0) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"B-frames cannot be used with low delay\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
|
|
if (s->q_scale_type == 1) {
|
|
if (avctx->qmax > 28) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"non linear quant only supports qmax <= 28 currently\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
}
|
|
}
|
|
|
|
if (avctx->slices > 1 &&
|
|
!(avctx->codec->capabilities & AV_CODEC_CAP_SLICE_THREADS)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Multiple slices are not supported by this codec\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (s->b_frame_strategy && (avctx->flags & AV_CODEC_FLAG_PASS2)) {
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"notice: b_frame_strategy only affects the first pass\n");
|
|
s->b_frame_strategy = 0;
|
|
}
|
|
|
|
i = av_gcd(avctx->time_base.den, avctx->time_base.num);
|
|
if (i > 1) {
|
|
av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
|
|
avctx->time_base.den /= i;
|
|
avctx->time_base.num /= i;
|
|
//return -1;
|
|
}
|
|
|
|
if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || s->codec_id == AV_CODEC_ID_MJPEG || s->codec_id == AV_CODEC_ID_AMV || s->codec_id == AV_CODEC_ID_SPEEDHQ) {
|
|
// (a + x * 3 / 8) / x
|
|
s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3);
|
|
s->inter_quant_bias = 0;
|
|
} else {
|
|
s->intra_quant_bias = 0;
|
|
// (a - x / 4) / x
|
|
s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2));
|
|
}
|
|
|
|
if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "intra_quant_bias = %d inter_quant_bias = %d\n",s->intra_quant_bias,s->inter_quant_bias);
|
|
|
|
if (avctx->codec_id == AV_CODEC_ID_MPEG4 &&
|
|
avctx->time_base.den > (1 << 16) - 1) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"timebase %d/%d not supported by MPEG 4 standard, "
|
|
"the maximum admitted value for the timebase denominator "
|
|
"is %d\n", avctx->time_base.num, avctx->time_base.den,
|
|
(1 << 16) - 1);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
s->time_increment_bits = av_log2(avctx->time_base.den - 1) + 1;
|
|
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_MPEG1VIDEO:
|
|
s->out_format = FMT_MPEG1;
|
|
s->low_delay = !!(avctx->flags & AV_CODEC_FLAG_LOW_DELAY);
|
|
avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
|
|
break;
|
|
case AV_CODEC_ID_MPEG2VIDEO:
|
|
s->out_format = FMT_MPEG1;
|
|
s->low_delay = !!(avctx->flags & AV_CODEC_FLAG_LOW_DELAY);
|
|
avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
|
|
s->rtp_mode = 1;
|
|
break;
|
|
#if CONFIG_MJPEG_ENCODER || CONFIG_AMV_ENCODER
|
|
case AV_CODEC_ID_MJPEG:
|
|
case AV_CODEC_ID_AMV:
|
|
s->out_format = FMT_MJPEG;
|
|
s->intra_only = 1; /* force intra only for jpeg */
|
|
if ((ret = ff_mjpeg_encode_init(s)) < 0)
|
|
return ret;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
#endif
|
|
case AV_CODEC_ID_SPEEDHQ:
|
|
s->out_format = FMT_SPEEDHQ;
|
|
s->intra_only = 1; /* force intra only for SHQ */
|
|
if (!CONFIG_SPEEDHQ_ENCODER)
|
|
return AVERROR_ENCODER_NOT_FOUND;
|
|
if ((ret = ff_speedhq_encode_init(s)) < 0)
|
|
return ret;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_H261:
|
|
if (!CONFIG_H261_ENCODER)
|
|
return AVERROR_ENCODER_NOT_FOUND;
|
|
ret = ff_h261_encode_init(s);
|
|
if (ret < 0)
|
|
return ret;
|
|
s->out_format = FMT_H261;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
s->rtp_mode = 0; /* Sliced encoding not supported */
|
|
break;
|
|
case AV_CODEC_ID_H263:
|
|
if (!CONFIG_H263_ENCODER)
|
|
return AVERROR_ENCODER_NOT_FOUND;
|
|
if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format),
|
|
s->width, s->height) == 8) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"The specified picture size of %dx%d is not valid for "
|
|
"the H.263 codec.\nValid sizes are 128x96, 176x144, "
|
|
"352x288, 704x576, and 1408x1152. "
|
|
"Try H.263+.\n", s->width, s->height);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
s->out_format = FMT_H263;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_H263P:
|
|
s->out_format = FMT_H263;
|
|
s->h263_plus = 1;
|
|
/* Fx */
|
|
s->h263_aic = (avctx->flags & AV_CODEC_FLAG_AC_PRED) ? 1 : 0;
|
|
s->modified_quant = s->h263_aic;
|
|
s->loop_filter = (avctx->flags & AV_CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
|
|
s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus;
|
|
|
|
/* /Fx */
|
|
/* These are just to be sure */
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_FLV1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_flv = 2; /* format = 1; 11-bit codes */
|
|
s->unrestricted_mv = 1;
|
|
s->rtp_mode = 0; /* don't allow GOB */
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_RV10:
|
|
s->out_format = FMT_H263;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_RV20:
|
|
s->out_format = FMT_H263;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
s->modified_quant = 1;
|
|
s->h263_aic = 1;
|
|
s->h263_plus = 1;
|
|
s->loop_filter = 1;
|
|
s->unrestricted_mv = 0;
|
|
break;
|
|
case AV_CODEC_ID_MPEG4:
|
|
s->out_format = FMT_H263;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->low_delay = s->max_b_frames ? 0 : 1;
|
|
avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
|
|
break;
|
|
case AV_CODEC_ID_MSMPEG4V2:
|
|
s->out_format = FMT_H263;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version = 2;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_MSMPEG4V3:
|
|
s->out_format = FMT_H263;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version = 3;
|
|
s->flipflop_rounding = 1;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_WMV1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version = 4;
|
|
s->flipflop_rounding = 1;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
case AV_CODEC_ID_WMV2:
|
|
s->out_format = FMT_H263;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version = 5;
|
|
s->flipflop_rounding = 1;
|
|
avctx->delay = 0;
|
|
s->low_delay = 1;
|
|
break;
|
|
default:
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
avctx->has_b_frames = !s->low_delay;
|
|
|
|
s->encoding = 1;
|
|
|
|
s->progressive_frame =
|
|
s->progressive_sequence = !(avctx->flags & (AV_CODEC_FLAG_INTERLACED_DCT |
|
|
AV_CODEC_FLAG_INTERLACED_ME) ||
|
|
s->alternate_scan);
|
|
|
|
/* init */
|
|
ff_mpv_idct_init(s);
|
|
if ((ret = ff_mpv_common_init(s)) < 0)
|
|
return ret;
|
|
|
|
ff_fdctdsp_init(&s->fdsp, avctx);
|
|
ff_me_cmp_init(&s->mecc, avctx);
|
|
ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx);
|
|
ff_pixblockdsp_init(&s->pdsp, avctx);
|
|
ff_qpeldsp_init(&s->qdsp);
|
|
|
|
if (!(avctx->stats_out = av_mallocz(256)) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->q_intra_matrix, 32) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->q_chroma_intra_matrix, 32) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->q_inter_matrix, 32) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->q_intra_matrix16, 32) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->q_chroma_intra_matrix16, 32) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->q_inter_matrix16, 32) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->input_picture, MAX_PICTURE_COUNT) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->reordered_input_picture, MAX_PICTURE_COUNT))
|
|
return AVERROR(ENOMEM);
|
|
|
|
/* Allocate MV tables; the MV and MB tables will be copied
|
|
* to slice contexts by ff_update_duplicate_context(). */
|
|
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->p_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_forw_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_back_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_bidir_forw_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_bidir_back_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_direct_mv_table_base, mv_table_size))
|
|
return AVERROR(ENOMEM);
|
|
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
|
|
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
|
|
|
|
/* Allocate MB type table */
|
|
mb_array_size = s->mb_stride * s->mb_height;
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->mb_type, mb_array_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->lambda_table, mb_array_size) ||
|
|
!FF_ALLOC_TYPED_ARRAY (s->cplx_tab, mb_array_size) ||
|
|
!FF_ALLOC_TYPED_ARRAY (s->bits_tab, mb_array_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->mc_mb_var, mb_array_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->mb_var, mb_array_size) ||
|
|
!(s->mb_mean = av_mallocz(mb_array_size)))
|
|
return AVERROR(ENOMEM);
|
|
|
|
#define ALLOCZ_ARRAYS(p, mult, numb) ((p) = av_calloc(numb, mult * sizeof(*(p))))
|
|
if (s->codec_id == AV_CODEC_ID_MPEG4 ||
|
|
(s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)) {
|
|
int16_t (*tmp1)[2];
|
|
uint8_t *tmp2;
|
|
if (!(tmp1 = ALLOCZ_ARRAYS(s->b_field_mv_table_base, 8, mv_table_size)) ||
|
|
!(tmp2 = ALLOCZ_ARRAYS(s->b_field_select_table[0][0], 2 * 4, mv_table_size)) ||
|
|
!ALLOCZ_ARRAYS(s->p_field_select_table[0], 2 * 2, mv_table_size))
|
|
return AVERROR(ENOMEM);
|
|
|
|
s->p_field_select_table[1] = s->p_field_select_table[0] + 2 * mv_table_size;
|
|
tmp1 += s->mb_stride + 1;
|
|
|
|
for (int i = 0; i < 2; i++) {
|
|
for (int j = 0; j < 2; j++) {
|
|
for (int k = 0; k < 2; k++) {
|
|
s->b_field_mv_table[i][j][k] = tmp1;
|
|
tmp1 += mv_table_size;
|
|
}
|
|
s->b_field_select_table[i][j] = tmp2;
|
|
tmp2 += 2 * mv_table_size;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->noise_reduction) {
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->dct_offset, 2))
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
ff_dct_encode_init(s);
|
|
|
|
if ((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
|
|
s->chroma_qscale_table = ff_h263_chroma_qscale_table;
|
|
|
|
if (s->slice_context_count > 1) {
|
|
s->rtp_mode = 1;
|
|
|
|
if (avctx->codec_id == AV_CODEC_ID_H263P)
|
|
s->h263_slice_structured = 1;
|
|
}
|
|
|
|
s->quant_precision = 5;
|
|
|
|
ff_set_cmp(&s->mecc, s->mecc.ildct_cmp, avctx->ildct_cmp);
|
|
ff_set_cmp(&s->mecc, s->mecc.frame_skip_cmp, s->frame_skip_cmp);
|
|
|
|
if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
|
&& s->out_format == FMT_MPEG1) {
|
|
ff_mpeg1_encode_init(s);
|
|
} else if (CONFIG_H263_ENCODER && s->out_format == FMT_H263) {
|
|
ff_h263_encode_init(s);
|
|
if (CONFIG_MSMPEG4ENC && s->msmpeg4_version)
|
|
ff_msmpeg4_encode_init(s);
|
|
}
|
|
|
|
/* init q matrix */
|
|
for (i = 0; i < 64; i++) {
|
|
int j = s->idsp.idct_permutation[i];
|
|
if (CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4 &&
|
|
s->mpeg_quant) {
|
|
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
|
|
s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
|
|
} else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
|
|
s->intra_matrix[j] =
|
|
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
|
|
} else if (CONFIG_SPEEDHQ_ENCODER && s->codec_id == AV_CODEC_ID_SPEEDHQ) {
|
|
s->intra_matrix[j] =
|
|
s->inter_matrix[j] = ff_mpeg1_default_intra_matrix[i];
|
|
} else {
|
|
/* MPEG-1/2 */
|
|
s->chroma_intra_matrix[j] =
|
|
s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
|
|
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
|
|
}
|
|
if (avctx->intra_matrix)
|
|
s->intra_matrix[j] = avctx->intra_matrix[i];
|
|
if (avctx->inter_matrix)
|
|
s->inter_matrix[j] = avctx->inter_matrix[i];
|
|
}
|
|
|
|
/* precompute matrix */
|
|
/* for mjpeg, we do include qscale in the matrix */
|
|
if (s->out_format != FMT_MJPEG) {
|
|
ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16,
|
|
s->intra_matrix, s->intra_quant_bias, avctx->qmin,
|
|
31, 1);
|
|
ff_convert_matrix(s, s->q_inter_matrix, s->q_inter_matrix16,
|
|
s->inter_matrix, s->inter_quant_bias, avctx->qmin,
|
|
31, 0);
|
|
}
|
|
|
|
if ((ret = ff_rate_control_init(s)) < 0)
|
|
return ret;
|
|
|
|
if (s->b_frame_strategy == 2) {
|
|
for (i = 0; i < s->max_b_frames + 2; i++) {
|
|
s->tmp_frames[i] = av_frame_alloc();
|
|
if (!s->tmp_frames[i])
|
|
return AVERROR(ENOMEM);
|
|
|
|
s->tmp_frames[i]->format = AV_PIX_FMT_YUV420P;
|
|
s->tmp_frames[i]->width = s->width >> s->brd_scale;
|
|
s->tmp_frames[i]->height = s->height >> s->brd_scale;
|
|
|
|
ret = av_frame_get_buffer(s->tmp_frames[i], 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
cpb_props = ff_add_cpb_side_data(avctx);
|
|
if (!cpb_props)
|
|
return AVERROR(ENOMEM);
|
|
cpb_props->max_bitrate = avctx->rc_max_rate;
|
|
cpb_props->min_bitrate = avctx->rc_min_rate;
|
|
cpb_props->avg_bitrate = avctx->bit_rate;
|
|
cpb_props->buffer_size = avctx->rc_buffer_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold int ff_mpv_encode_end(AVCodecContext *avctx)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
int i;
|
|
|
|
ff_rate_control_uninit(s);
|
|
|
|
ff_mpv_common_end(s);
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->tmp_frames); i++)
|
|
av_frame_free(&s->tmp_frames[i]);
|
|
|
|
av_frame_free(&s->new_picture);
|
|
|
|
av_freep(&avctx->stats_out);
|
|
|
|
av_freep(&s->p_mv_table_base);
|
|
av_freep(&s->b_forw_mv_table_base);
|
|
av_freep(&s->b_back_mv_table_base);
|
|
av_freep(&s->b_bidir_forw_mv_table_base);
|
|
av_freep(&s->b_bidir_back_mv_table_base);
|
|
av_freep(&s->b_direct_mv_table_base);
|
|
av_freep(&s->b_field_mv_table_base);
|
|
av_freep(&s->b_field_select_table[0][0]);
|
|
av_freep(&s->p_field_select_table[0]);
|
|
|
|
av_freep(&s->mb_type);
|
|
av_freep(&s->lambda_table);
|
|
|
|
av_freep(&s->cplx_tab);
|
|
av_freep(&s->bits_tab);
|
|
|
|
if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
|
|
if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
|
|
s->q_chroma_intra_matrix= NULL;
|
|
s->q_chroma_intra_matrix16= NULL;
|
|
av_freep(&s->q_intra_matrix);
|
|
av_freep(&s->q_inter_matrix);
|
|
av_freep(&s->q_intra_matrix16);
|
|
av_freep(&s->q_inter_matrix16);
|
|
av_freep(&s->input_picture);
|
|
av_freep(&s->reordered_input_picture);
|
|
av_freep(&s->dct_offset);
|
|
av_freep(&s->mb_var);
|
|
av_freep(&s->mc_mb_var);
|
|
av_freep(&s->mb_mean);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_sae(const uint8_t *src, int ref, int stride)
|
|
{
|
|
int x,y;
|
|
int acc = 0;
|
|
|
|
for (y = 0; y < 16; y++) {
|
|
for (x = 0; x < 16; x++) {
|
|
acc += FFABS(src[x + y * stride] - ref);
|
|
}
|
|
}
|
|
|
|
return acc;
|
|
}
|
|
|
|
static int get_intra_count(MpegEncContext *s, const uint8_t *src,
|
|
const uint8_t *ref, int stride)
|
|
{
|
|
int x, y, w, h;
|
|
int acc = 0;
|
|
|
|
w = s->width & ~15;
|
|
h = s->height & ~15;
|
|
|
|
for (y = 0; y < h; y += 16) {
|
|
for (x = 0; x < w; x += 16) {
|
|
int offset = x + y * stride;
|
|
int sad = s->mecc.sad[0](NULL, src + offset, ref + offset,
|
|
stride, 16);
|
|
int mean = (s->mpvencdsp.pix_sum(src + offset, stride) + 128) >> 8;
|
|
int sae = get_sae(src + offset, mean, stride);
|
|
|
|
acc += sae + 500 < sad;
|
|
}
|
|
}
|
|
return acc;
|
|
}
|
|
|
|
static int alloc_picture(MpegEncContext *s, Picture *pic, int shared)
|
|
{
|
|
return ff_alloc_picture(s->avctx, pic, &s->me, &s->sc, shared, 1,
|
|
s->chroma_x_shift, s->chroma_y_shift, s->out_format,
|
|
s->mb_stride, s->mb_width, s->mb_height, s->b8_stride,
|
|
&s->linesize, &s->uvlinesize);
|
|
}
|
|
|
|
static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
|
|
{
|
|
Picture *pic = NULL;
|
|
int64_t pts;
|
|
int i, display_picture_number = 0, ret;
|
|
int encoding_delay = s->max_b_frames ? s->max_b_frames
|
|
: (s->low_delay ? 0 : 1);
|
|
int flush_offset = 1;
|
|
int direct = 1;
|
|
|
|
if (pic_arg) {
|
|
pts = pic_arg->pts;
|
|
display_picture_number = s->input_picture_number++;
|
|
|
|
if (pts != AV_NOPTS_VALUE) {
|
|
if (s->user_specified_pts != AV_NOPTS_VALUE) {
|
|
int64_t last = s->user_specified_pts;
|
|
|
|
if (pts <= last) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"Invalid pts (%"PRId64") <= last (%"PRId64")\n",
|
|
pts, last);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (!s->low_delay && display_picture_number == 1)
|
|
s->dts_delta = pts - last;
|
|
}
|
|
s->user_specified_pts = pts;
|
|
} else {
|
|
if (s->user_specified_pts != AV_NOPTS_VALUE) {
|
|
s->user_specified_pts =
|
|
pts = s->user_specified_pts + 1;
|
|
av_log(s->avctx, AV_LOG_INFO,
|
|
"Warning: AVFrame.pts=? trying to guess (%"PRId64")\n",
|
|
pts);
|
|
} else {
|
|
pts = display_picture_number;
|
|
}
|
|
}
|
|
|
|
if (!pic_arg->buf[0] ||
|
|
pic_arg->linesize[0] != s->linesize ||
|
|
pic_arg->linesize[1] != s->uvlinesize ||
|
|
pic_arg->linesize[2] != s->uvlinesize)
|
|
direct = 0;
|
|
if ((s->width & 15) || (s->height & 15))
|
|
direct = 0;
|
|
if (((intptr_t)(pic_arg->data[0])) & (STRIDE_ALIGN-1))
|
|
direct = 0;
|
|
if (s->linesize & (STRIDE_ALIGN-1))
|
|
direct = 0;
|
|
|
|
ff_dlog(s->avctx, "%d %d %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"\n", pic_arg->linesize[0],
|
|
pic_arg->linesize[1], s->linesize, s->uvlinesize);
|
|
|
|
i = ff_find_unused_picture(s->avctx, s->picture, direct);
|
|
if (i < 0)
|
|
return i;
|
|
|
|
pic = &s->picture[i];
|
|
pic->reference = 3;
|
|
|
|
if (direct) {
|
|
if ((ret = av_frame_ref(pic->f, pic_arg)) < 0)
|
|
return ret;
|
|
}
|
|
ret = alloc_picture(s, pic, direct);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (!direct) {
|
|
if (pic->f->data[0] + INPLACE_OFFSET == pic_arg->data[0] &&
|
|
pic->f->data[1] + INPLACE_OFFSET == pic_arg->data[1] &&
|
|
pic->f->data[2] + INPLACE_OFFSET == pic_arg->data[2]) {
|
|
// empty
|
|
} else {
|
|
int h_chroma_shift, v_chroma_shift;
|
|
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
&h_chroma_shift,
|
|
&v_chroma_shift);
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
int src_stride = pic_arg->linesize[i];
|
|
int dst_stride = i ? s->uvlinesize : s->linesize;
|
|
int h_shift = i ? h_chroma_shift : 0;
|
|
int v_shift = i ? v_chroma_shift : 0;
|
|
int w = s->width >> h_shift;
|
|
int h = s->height >> v_shift;
|
|
const uint8_t *src = pic_arg->data[i];
|
|
uint8_t *dst = pic->f->data[i];
|
|
int vpad = 16;
|
|
|
|
if ( s->codec_id == AV_CODEC_ID_MPEG2VIDEO
|
|
&& !s->progressive_sequence
|
|
&& FFALIGN(s->height, 32) - s->height > 16)
|
|
vpad = 32;
|
|
|
|
if (!s->avctx->rc_buffer_size)
|
|
dst += INPLACE_OFFSET;
|
|
|
|
if (src_stride == dst_stride)
|
|
memcpy(dst, src, src_stride * h);
|
|
else {
|
|
int h2 = h;
|
|
uint8_t *dst2 = dst;
|
|
while (h2--) {
|
|
memcpy(dst2, src, w);
|
|
dst2 += dst_stride;
|
|
src += src_stride;
|
|
}
|
|
}
|
|
if ((s->width & 15) || (s->height & (vpad-1))) {
|
|
s->mpvencdsp.draw_edges(dst, dst_stride,
|
|
w, h,
|
|
16 >> h_shift,
|
|
vpad >> v_shift,
|
|
EDGE_BOTTOM);
|
|
}
|
|
}
|
|
emms_c();
|
|
}
|
|
}
|
|
ret = av_frame_copy_props(pic->f, pic_arg);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
pic->f->display_picture_number = display_picture_number;
|
|
pic->f->pts = pts; // we set this here to avoid modifying pic_arg
|
|
} else {
|
|
/* Flushing: When we have not received enough input frames,
|
|
* ensure s->input_picture[0] contains the first picture */
|
|
for (flush_offset = 0; flush_offset < encoding_delay + 1; flush_offset++)
|
|
if (s->input_picture[flush_offset])
|
|
break;
|
|
|
|
if (flush_offset <= 1)
|
|
flush_offset = 1;
|
|
else
|
|
encoding_delay = encoding_delay - flush_offset + 1;
|
|
}
|
|
|
|
/* shift buffer entries */
|
|
for (i = flush_offset; i < MAX_PICTURE_COUNT /*s->encoding_delay + 1*/; i++)
|
|
s->input_picture[i - flush_offset] = s->input_picture[i];
|
|
|
|
s->input_picture[encoding_delay] = pic;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int skip_check(MpegEncContext *s, const Picture *p, const Picture *ref)
|
|
{
|
|
int x, y, plane;
|
|
int score = 0;
|
|
int64_t score64 = 0;
|
|
|
|
for (plane = 0; plane < 3; plane++) {
|
|
const int stride = p->f->linesize[plane];
|
|
const int bw = plane ? 1 : 2;
|
|
for (y = 0; y < s->mb_height * bw; y++) {
|
|
for (x = 0; x < s->mb_width * bw; x++) {
|
|
int off = p->shared ? 0 : 16;
|
|
const uint8_t *dptr = p->f->data[plane] + 8 * (x + y * stride) + off;
|
|
const uint8_t *rptr = ref->f->data[plane] + 8 * (x + y * stride);
|
|
int v = s->mecc.frame_skip_cmp[1](s, dptr, rptr, stride, 8);
|
|
|
|
switch (FFABS(s->frame_skip_exp)) {
|
|
case 0: score = FFMAX(score, v); break;
|
|
case 1: score += FFABS(v); break;
|
|
case 2: score64 += v * (int64_t)v; break;
|
|
case 3: score64 += FFABS(v * (int64_t)v * v); break;
|
|
case 4: score64 += (v * (int64_t)v) * (v * (int64_t)v); break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
emms_c();
|
|
|
|
if (score)
|
|
score64 = score;
|
|
if (s->frame_skip_exp < 0)
|
|
score64 = pow(score64 / (double)(s->mb_width * s->mb_height),
|
|
-1.0/s->frame_skip_exp);
|
|
|
|
if (score64 < s->frame_skip_threshold)
|
|
return 1;
|
|
if (score64 < ((s->frame_skip_factor * (int64_t) s->lambda) >> 8))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static int encode_frame(AVCodecContext *c, const AVFrame *frame, AVPacket *pkt)
|
|
{
|
|
int ret;
|
|
int size = 0;
|
|
|
|
ret = avcodec_send_frame(c, frame);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
do {
|
|
ret = avcodec_receive_packet(c, pkt);
|
|
if (ret >= 0) {
|
|
size += pkt->size;
|
|
av_packet_unref(pkt);
|
|
} else if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
|
|
return ret;
|
|
} while (ret >= 0);
|
|
|
|
return size;
|
|
}
|
|
|
|
static int estimate_best_b_count(MpegEncContext *s)
|
|
{
|
|
AVPacket *pkt;
|
|
const int scale = s->brd_scale;
|
|
int width = s->width >> scale;
|
|
int height = s->height >> scale;
|
|
int i, j, out_size, p_lambda, b_lambda, lambda2;
|
|
int64_t best_rd = INT64_MAX;
|
|
int best_b_count = -1;
|
|
int ret = 0;
|
|
|
|
av_assert0(scale >= 0 && scale <= 3);
|
|
|
|
pkt = av_packet_alloc();
|
|
if (!pkt)
|
|
return AVERROR(ENOMEM);
|
|
|
|
//emms_c();
|
|
//s->next_picture_ptr->quality;
|
|
p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P];
|
|
//p_lambda * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
|
|
b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B];
|
|
if (!b_lambda) // FIXME we should do this somewhere else
|
|
b_lambda = p_lambda;
|
|
lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >>
|
|
FF_LAMBDA_SHIFT;
|
|
|
|
for (i = 0; i < s->max_b_frames + 2; i++) {
|
|
const Picture *pre_input_ptr = i ? s->input_picture[i - 1] :
|
|
s->next_picture_ptr;
|
|
|
|
if (pre_input_ptr) {
|
|
const uint8_t *data[4];
|
|
memcpy(data, pre_input_ptr->f->data, sizeof(data));
|
|
|
|
if (!pre_input_ptr->shared && i) {
|
|
data[0] += INPLACE_OFFSET;
|
|
data[1] += INPLACE_OFFSET;
|
|
data[2] += INPLACE_OFFSET;
|
|
}
|
|
|
|
s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[0],
|
|
s->tmp_frames[i]->linesize[0],
|
|
data[0],
|
|
pre_input_ptr->f->linesize[0],
|
|
width, height);
|
|
s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[1],
|
|
s->tmp_frames[i]->linesize[1],
|
|
data[1],
|
|
pre_input_ptr->f->linesize[1],
|
|
width >> 1, height >> 1);
|
|
s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[2],
|
|
s->tmp_frames[i]->linesize[2],
|
|
data[2],
|
|
pre_input_ptr->f->linesize[2],
|
|
width >> 1, height >> 1);
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < s->max_b_frames + 1; j++) {
|
|
AVCodecContext *c;
|
|
int64_t rd = 0;
|
|
|
|
if (!s->input_picture[j])
|
|
break;
|
|
|
|
c = avcodec_alloc_context3(NULL);
|
|
if (!c) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
c->width = width;
|
|
c->height = height;
|
|
c->flags = AV_CODEC_FLAG_QSCALE | AV_CODEC_FLAG_PSNR;
|
|
c->flags |= s->avctx->flags & AV_CODEC_FLAG_QPEL;
|
|
c->mb_decision = s->avctx->mb_decision;
|
|
c->me_cmp = s->avctx->me_cmp;
|
|
c->mb_cmp = s->avctx->mb_cmp;
|
|
c->me_sub_cmp = s->avctx->me_sub_cmp;
|
|
c->pix_fmt = AV_PIX_FMT_YUV420P;
|
|
c->time_base = s->avctx->time_base;
|
|
c->max_b_frames = s->max_b_frames;
|
|
|
|
ret = avcodec_open2(c, s->avctx->codec, NULL);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
|
|
s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I;
|
|
s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA;
|
|
|
|
out_size = encode_frame(c, s->tmp_frames[0], pkt);
|
|
if (out_size < 0) {
|
|
ret = out_size;
|
|
goto fail;
|
|
}
|
|
|
|
//rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
|
|
|
|
for (i = 0; i < s->max_b_frames + 1; i++) {
|
|
int is_p = i % (j + 1) == j || i == s->max_b_frames;
|
|
|
|
s->tmp_frames[i + 1]->pict_type = is_p ?
|
|
AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
|
|
s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda;
|
|
|
|
out_size = encode_frame(c, s->tmp_frames[i + 1], pkt);
|
|
if (out_size < 0) {
|
|
ret = out_size;
|
|
goto fail;
|
|
}
|
|
|
|
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
|
}
|
|
|
|
/* get the delayed frames */
|
|
out_size = encode_frame(c, NULL, pkt);
|
|
if (out_size < 0) {
|
|
ret = out_size;
|
|
goto fail;
|
|
}
|
|
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
|
|
|
rd += c->error[0] + c->error[1] + c->error[2];
|
|
|
|
if (rd < best_rd) {
|
|
best_rd = rd;
|
|
best_b_count = j;
|
|
}
|
|
|
|
fail:
|
|
avcodec_free_context(&c);
|
|
av_packet_unref(pkt);
|
|
if (ret < 0) {
|
|
best_b_count = ret;
|
|
break;
|
|
}
|
|
}
|
|
|
|
av_packet_free(&pkt);
|
|
|
|
return best_b_count;
|
|
}
|
|
|
|
static int select_input_picture(MpegEncContext *s)
|
|
{
|
|
int i, ret;
|
|
|
|
for (i = 1; i < MAX_PICTURE_COUNT; i++)
|
|
s->reordered_input_picture[i - 1] = s->reordered_input_picture[i];
|
|
s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL;
|
|
|
|
/* set next picture type & ordering */
|
|
if (!s->reordered_input_picture[0] && s->input_picture[0]) {
|
|
if (s->frame_skip_threshold || s->frame_skip_factor) {
|
|
if (s->picture_in_gop_number < s->gop_size &&
|
|
s->next_picture_ptr &&
|
|
skip_check(s, s->input_picture[0], s->next_picture_ptr)) {
|
|
// FIXME check that the gop check above is +-1 correct
|
|
av_frame_unref(s->input_picture[0]->f);
|
|
|
|
ff_vbv_update(s, 0);
|
|
|
|
goto no_output_pic;
|
|
}
|
|
}
|
|
|
|
if (/*s->picture_in_gop_number >= s->gop_size ||*/
|
|
!s->next_picture_ptr || s->intra_only) {
|
|
s->reordered_input_picture[0] = s->input_picture[0];
|
|
s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_I;
|
|
s->reordered_input_picture[0]->f->coded_picture_number =
|
|
s->coded_picture_number++;
|
|
} else {
|
|
int b_frames = 0;
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
|
|
for (i = 0; i < s->max_b_frames + 1; i++) {
|
|
int pict_num = s->input_picture[0]->f->display_picture_number + i;
|
|
|
|
if (pict_num >= s->rc_context.num_entries)
|
|
break;
|
|
if (!s->input_picture[i]) {
|
|
s->rc_context.entry[pict_num - 1].new_pict_type = AV_PICTURE_TYPE_P;
|
|
break;
|
|
}
|
|
|
|
s->input_picture[i]->f->pict_type =
|
|
s->rc_context.entry[pict_num].new_pict_type;
|
|
}
|
|
}
|
|
|
|
if (s->b_frame_strategy == 0) {
|
|
b_frames = s->max_b_frames;
|
|
while (b_frames && !s->input_picture[b_frames])
|
|
b_frames--;
|
|
} else if (s->b_frame_strategy == 1) {
|
|
for (i = 1; i < s->max_b_frames + 1; i++) {
|
|
if (s->input_picture[i] &&
|
|
s->input_picture[i]->b_frame_score == 0) {
|
|
s->input_picture[i]->b_frame_score =
|
|
get_intra_count(s,
|
|
s->input_picture[i ]->f->data[0],
|
|
s->input_picture[i - 1]->f->data[0],
|
|
s->linesize) + 1;
|
|
}
|
|
}
|
|
for (i = 0; i < s->max_b_frames + 1; i++) {
|
|
if (!s->input_picture[i] ||
|
|
s->input_picture[i]->b_frame_score - 1 >
|
|
s->mb_num / s->b_sensitivity)
|
|
break;
|
|
}
|
|
|
|
b_frames = FFMAX(0, i - 1);
|
|
|
|
/* reset scores */
|
|
for (i = 0; i < b_frames + 1; i++) {
|
|
s->input_picture[i]->b_frame_score = 0;
|
|
}
|
|
} else if (s->b_frame_strategy == 2) {
|
|
b_frames = estimate_best_b_count(s);
|
|
if (b_frames < 0)
|
|
return b_frames;
|
|
}
|
|
|
|
emms_c();
|
|
|
|
for (i = b_frames - 1; i >= 0; i--) {
|
|
int type = s->input_picture[i]->f->pict_type;
|
|
if (type && type != AV_PICTURE_TYPE_B)
|
|
b_frames = i;
|
|
}
|
|
if (s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_B &&
|
|
b_frames == s->max_b_frames) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"warning, too many B-frames in a row\n");
|
|
}
|
|
|
|
if (s->picture_in_gop_number + b_frames >= s->gop_size) {
|
|
if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) &&
|
|
s->gop_size > s->picture_in_gop_number) {
|
|
b_frames = s->gop_size - s->picture_in_gop_number - 1;
|
|
} else {
|
|
if (s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP)
|
|
b_frames = 0;
|
|
s->input_picture[b_frames]->f->pict_type = AV_PICTURE_TYPE_I;
|
|
}
|
|
}
|
|
|
|
if ((s->avctx->flags & AV_CODEC_FLAG_CLOSED_GOP) && b_frames &&
|
|
s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_I)
|
|
b_frames--;
|
|
|
|
s->reordered_input_picture[0] = s->input_picture[b_frames];
|
|
if (s->reordered_input_picture[0]->f->pict_type != AV_PICTURE_TYPE_I)
|
|
s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_P;
|
|
s->reordered_input_picture[0]->f->coded_picture_number =
|
|
s->coded_picture_number++;
|
|
for (i = 0; i < b_frames; i++) {
|
|
s->reordered_input_picture[i + 1] = s->input_picture[i];
|
|
s->reordered_input_picture[i + 1]->f->pict_type =
|
|
AV_PICTURE_TYPE_B;
|
|
s->reordered_input_picture[i + 1]->f->coded_picture_number =
|
|
s->coded_picture_number++;
|
|
}
|
|
}
|
|
}
|
|
no_output_pic:
|
|
av_frame_unref(s->new_picture);
|
|
|
|
if (s->reordered_input_picture[0]) {
|
|
s->reordered_input_picture[0]->reference =
|
|
s->reordered_input_picture[0]->f->pict_type !=
|
|
AV_PICTURE_TYPE_B ? 3 : 0;
|
|
|
|
if ((ret = av_frame_ref(s->new_picture,
|
|
s->reordered_input_picture[0]->f)))
|
|
return ret;
|
|
|
|
if (s->reordered_input_picture[0]->shared || s->avctx->rc_buffer_size) {
|
|
// input is a shared pix, so we can't modify it -> allocate a new
|
|
// one & ensure that the shared one is reuseable
|
|
|
|
Picture *pic;
|
|
int i = ff_find_unused_picture(s->avctx, s->picture, 0);
|
|
if (i < 0)
|
|
return i;
|
|
pic = &s->picture[i];
|
|
|
|
pic->reference = s->reordered_input_picture[0]->reference;
|
|
if (alloc_picture(s, pic, 0) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
ret = av_frame_copy_props(pic->f, s->reordered_input_picture[0]->f);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* mark us unused / free shared pic */
|
|
av_frame_unref(s->reordered_input_picture[0]->f);
|
|
s->reordered_input_picture[0]->shared = 0;
|
|
|
|
s->current_picture_ptr = pic;
|
|
} else {
|
|
// input is not a shared pix -> reuse buffer for current_pix
|
|
s->current_picture_ptr = s->reordered_input_picture[0];
|
|
for (i = 0; i < 4; i++) {
|
|
if (s->new_picture->data[i])
|
|
s->new_picture->data[i] += INPLACE_OFFSET;
|
|
}
|
|
}
|
|
s->picture_number = s->new_picture->display_picture_number;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void frame_end(MpegEncContext *s)
|
|
{
|
|
if (s->unrestricted_mv &&
|
|
s->current_picture.reference &&
|
|
!s->intra_only) {
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
|
|
int hshift = desc->log2_chroma_w;
|
|
int vshift = desc->log2_chroma_h;
|
|
s->mpvencdsp.draw_edges(s->current_picture.f->data[0],
|
|
s->current_picture.f->linesize[0],
|
|
s->h_edge_pos, s->v_edge_pos,
|
|
EDGE_WIDTH, EDGE_WIDTH,
|
|
EDGE_TOP | EDGE_BOTTOM);
|
|
s->mpvencdsp.draw_edges(s->current_picture.f->data[1],
|
|
s->current_picture.f->linesize[1],
|
|
s->h_edge_pos >> hshift,
|
|
s->v_edge_pos >> vshift,
|
|
EDGE_WIDTH >> hshift,
|
|
EDGE_WIDTH >> vshift,
|
|
EDGE_TOP | EDGE_BOTTOM);
|
|
s->mpvencdsp.draw_edges(s->current_picture.f->data[2],
|
|
s->current_picture.f->linesize[2],
|
|
s->h_edge_pos >> hshift,
|
|
s->v_edge_pos >> vshift,
|
|
EDGE_WIDTH >> hshift,
|
|
EDGE_WIDTH >> vshift,
|
|
EDGE_TOP | EDGE_BOTTOM);
|
|
}
|
|
|
|
emms_c();
|
|
|
|
s->last_pict_type = s->pict_type;
|
|
s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f->quality;
|
|
if (s->pict_type!= AV_PICTURE_TYPE_B)
|
|
s->last_non_b_pict_type = s->pict_type;
|
|
}
|
|
|
|
static void update_noise_reduction(MpegEncContext *s)
|
|
{
|
|
int intra, i;
|
|
|
|
for (intra = 0; intra < 2; intra++) {
|
|
if (s->dct_count[intra] > (1 << 16)) {
|
|
for (i = 0; i < 64; i++) {
|
|
s->dct_error_sum[intra][i] >>= 1;
|
|
}
|
|
s->dct_count[intra] >>= 1;
|
|
}
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
s->dct_offset[intra][i] = (s->noise_reduction *
|
|
s->dct_count[intra] +
|
|
s->dct_error_sum[intra][i] / 2) /
|
|
(s->dct_error_sum[intra][i] + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int frame_start(MpegEncContext *s)
|
|
{
|
|
int ret;
|
|
|
|
/* mark & release old frames */
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
|
|
s->last_picture_ptr != s->next_picture_ptr &&
|
|
s->last_picture_ptr->f->buf[0]) {
|
|
ff_mpeg_unref_picture(s->avctx, s->last_picture_ptr);
|
|
}
|
|
|
|
s->current_picture_ptr->f->pict_type = s->pict_type;
|
|
s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
|
|
if ((ret = ff_mpeg_ref_picture(s->avctx, &s->current_picture,
|
|
s->current_picture_ptr)) < 0)
|
|
return ret;
|
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_B) {
|
|
s->last_picture_ptr = s->next_picture_ptr;
|
|
s->next_picture_ptr = s->current_picture_ptr;
|
|
}
|
|
|
|
if (s->last_picture_ptr) {
|
|
ff_mpeg_unref_picture(s->avctx, &s->last_picture);
|
|
if (s->last_picture_ptr->f->buf[0] &&
|
|
(ret = ff_mpeg_ref_picture(s->avctx, &s->last_picture,
|
|
s->last_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
if (s->next_picture_ptr) {
|
|
ff_mpeg_unref_picture(s->avctx, &s->next_picture);
|
|
if (s->next_picture_ptr->f->buf[0] &&
|
|
(ret = ff_mpeg_ref_picture(s->avctx, &s->next_picture,
|
|
s->next_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (s->picture_structure!= PICT_FRAME) {
|
|
int i;
|
|
for (i = 0; i < 4; i++) {
|
|
if (s->picture_structure == PICT_BOTTOM_FIELD) {
|
|
s->current_picture.f->data[i] +=
|
|
s->current_picture.f->linesize[i];
|
|
}
|
|
s->current_picture.f->linesize[i] *= 2;
|
|
s->last_picture.f->linesize[i] *= 2;
|
|
s->next_picture.f->linesize[i] *= 2;
|
|
}
|
|
}
|
|
|
|
if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
|
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
|
|
} else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
|
|
s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
|
|
} else {
|
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter;
|
|
}
|
|
|
|
if (s->dct_error_sum) {
|
|
av_assert2(s->noise_reduction && s->encoding);
|
|
update_noise_reduction(s);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pic_arg, int *got_packet)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
int i, stuffing_count, ret;
|
|
int context_count = s->slice_context_count;
|
|
|
|
s->vbv_ignore_qmax = 0;
|
|
|
|
s->picture_in_gop_number++;
|
|
|
|
if (load_input_picture(s, pic_arg) < 0)
|
|
return -1;
|
|
|
|
if (select_input_picture(s) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
/* output? */
|
|
if (s->new_picture->data[0]) {
|
|
int growing_buffer = context_count == 1 && !s->data_partitioning;
|
|
size_t pkt_size = 10000 + s->mb_width * s->mb_height *
|
|
(growing_buffer ? 64 : (MAX_MB_BYTES + 100));
|
|
if (CONFIG_MJPEG_ENCODER && avctx->codec_id == AV_CODEC_ID_MJPEG) {
|
|
ret = ff_mjpeg_add_icc_profile_size(avctx, s->new_picture, &pkt_size);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
if ((ret = ff_alloc_packet(avctx, pkt, pkt_size)) < 0)
|
|
return ret;
|
|
pkt->size = avctx->internal->byte_buffer_size - AV_INPUT_BUFFER_PADDING_SIZE;
|
|
if (s->mb_info) {
|
|
s->mb_info_ptr = av_packet_new_side_data(pkt,
|
|
AV_PKT_DATA_H263_MB_INFO,
|
|
s->mb_width*s->mb_height*12);
|
|
s->prev_mb_info = s->last_mb_info = s->mb_info_size = 0;
|
|
}
|
|
|
|
for (i = 0; i < context_count; i++) {
|
|
int start_y = s->thread_context[i]->start_mb_y;
|
|
int end_y = s->thread_context[i]-> end_mb_y;
|
|
int h = s->mb_height;
|
|
uint8_t *start = pkt->data + (size_t)(((int64_t) pkt->size) * start_y / h);
|
|
uint8_t *end = pkt->data + (size_t)(((int64_t) pkt->size) * end_y / h);
|
|
|
|
init_put_bits(&s->thread_context[i]->pb, start, end - start);
|
|
}
|
|
|
|
s->pict_type = s->new_picture->pict_type;
|
|
//emms_c();
|
|
ret = frame_start(s);
|
|
if (ret < 0)
|
|
return ret;
|
|
vbv_retry:
|
|
ret = encode_picture(s, s->picture_number);
|
|
if (growing_buffer) {
|
|
av_assert0(s->pb.buf == avctx->internal->byte_buffer);
|
|
pkt->data = s->pb.buf;
|
|
pkt->size = avctx->internal->byte_buffer_size;
|
|
}
|
|
if (ret < 0)
|
|
return -1;
|
|
|
|
frame_end(s);
|
|
|
|
if ((CONFIG_MJPEG_ENCODER || CONFIG_AMV_ENCODER) && s->out_format == FMT_MJPEG)
|
|
ff_mjpeg_encode_picture_trailer(&s->pb, s->header_bits);
|
|
|
|
if (avctx->rc_buffer_size) {
|
|
RateControlContext *rcc = &s->rc_context;
|
|
int max_size = FFMAX(rcc->buffer_index * avctx->rc_max_available_vbv_use, rcc->buffer_index - 500);
|
|
int hq = (avctx->mb_decision == FF_MB_DECISION_RD || avctx->trellis);
|
|
int min_step = hq ? 1 : (1<<(FF_LAMBDA_SHIFT + 7))/139;
|
|
|
|
if (put_bits_count(&s->pb) > max_size &&
|
|
s->lambda < s->lmax) {
|
|
s->next_lambda = FFMAX(s->lambda + min_step, s->lambda *
|
|
(s->qscale + 1) / s->qscale);
|
|
if (s->adaptive_quant) {
|
|
int i;
|
|
for (i = 0; i < s->mb_height * s->mb_stride; i++)
|
|
s->lambda_table[i] =
|
|
FFMAX(s->lambda_table[i] + min_step,
|
|
s->lambda_table[i] * (s->qscale + 1) /
|
|
s->qscale);
|
|
}
|
|
s->mb_skipped = 0; // done in frame_start()
|
|
// done in encode_picture() so we must undo it
|
|
if (s->pict_type == AV_PICTURE_TYPE_P) {
|
|
if (s->flipflop_rounding ||
|
|
s->codec_id == AV_CODEC_ID_H263P ||
|
|
s->codec_id == AV_CODEC_ID_MPEG4)
|
|
s->no_rounding ^= 1;
|
|
}
|
|
if (s->pict_type != AV_PICTURE_TYPE_B) {
|
|
s->time_base = s->last_time_base;
|
|
s->last_non_b_time = s->time - s->pp_time;
|
|
}
|
|
for (i = 0; i < context_count; i++) {
|
|
PutBitContext *pb = &s->thread_context[i]->pb;
|
|
init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
|
|
}
|
|
s->vbv_ignore_qmax = 1;
|
|
av_log(avctx, AV_LOG_VERBOSE, "reencoding frame due to VBV\n");
|
|
goto vbv_retry;
|
|
}
|
|
|
|
av_assert0(avctx->rc_max_rate);
|
|
}
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_PASS1)
|
|
ff_write_pass1_stats(s);
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
avctx->error[i] += s->encoding_error[i];
|
|
}
|
|
ff_side_data_set_encoder_stats(pkt, s->current_picture.f->quality,
|
|
s->encoding_error,
|
|
(avctx->flags&AV_CODEC_FLAG_PSNR) ? MPEGVIDEO_MAX_PLANES : 0,
|
|
s->pict_type);
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_PASS1)
|
|
assert(put_bits_count(&s->pb) == s->header_bits + s->mv_bits +
|
|
s->misc_bits + s->i_tex_bits +
|
|
s->p_tex_bits);
|
|
flush_put_bits(&s->pb);
|
|
s->frame_bits = put_bits_count(&s->pb);
|
|
|
|
stuffing_count = ff_vbv_update(s, s->frame_bits);
|
|
s->stuffing_bits = 8*stuffing_count;
|
|
if (stuffing_count) {
|
|
if (put_bytes_left(&s->pb, 0) < stuffing_count + 50) {
|
|
av_log(avctx, AV_LOG_ERROR, "stuffing too large\n");
|
|
return -1;
|
|
}
|
|
|
|
switch (s->codec_id) {
|
|
case AV_CODEC_ID_MPEG1VIDEO:
|
|
case AV_CODEC_ID_MPEG2VIDEO:
|
|
while (stuffing_count--) {
|
|
put_bits(&s->pb, 8, 0);
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_MPEG4:
|
|
put_bits(&s->pb, 16, 0);
|
|
put_bits(&s->pb, 16, 0x1C3);
|
|
stuffing_count -= 4;
|
|
while (stuffing_count--) {
|
|
put_bits(&s->pb, 8, 0xFF);
|
|
}
|
|
break;
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
|
|
s->stuffing_bits = 0;
|
|
}
|
|
flush_put_bits(&s->pb);
|
|
s->frame_bits = put_bits_count(&s->pb);
|
|
}
|
|
|
|
/* update MPEG-1/2 vbv_delay for CBR */
|
|
if (avctx->rc_max_rate &&
|
|
avctx->rc_min_rate == avctx->rc_max_rate &&
|
|
s->out_format == FMT_MPEG1 &&
|
|
90000LL * (avctx->rc_buffer_size - 1) <=
|
|
avctx->rc_max_rate * 0xFFFFLL) {
|
|
AVCPBProperties *props;
|
|
size_t props_size;
|
|
|
|
int vbv_delay, min_delay;
|
|
double inbits = avctx->rc_max_rate *
|
|
av_q2d(avctx->time_base);
|
|
int minbits = s->frame_bits - 8 *
|
|
(s->vbv_delay_pos - 1);
|
|
double bits = s->rc_context.buffer_index + minbits - inbits;
|
|
uint8_t *const vbv_delay_ptr = s->pb.buf + s->vbv_delay_pos;
|
|
|
|
if (bits < 0)
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Internal error, negative bits\n");
|
|
|
|
av_assert1(s->repeat_first_field == 0);
|
|
|
|
vbv_delay = bits * 90000 / avctx->rc_max_rate;
|
|
min_delay = (minbits * 90000LL + avctx->rc_max_rate - 1) /
|
|
avctx->rc_max_rate;
|
|
|
|
vbv_delay = FFMAX(vbv_delay, min_delay);
|
|
|
|
av_assert0(vbv_delay < 0xFFFF);
|
|
|
|
vbv_delay_ptr[0] &= 0xF8;
|
|
vbv_delay_ptr[0] |= vbv_delay >> 13;
|
|
vbv_delay_ptr[1] = vbv_delay >> 5;
|
|
vbv_delay_ptr[2] &= 0x07;
|
|
vbv_delay_ptr[2] |= vbv_delay << 3;
|
|
|
|
props = av_cpb_properties_alloc(&props_size);
|
|
if (!props)
|
|
return AVERROR(ENOMEM);
|
|
props->vbv_delay = vbv_delay * 300;
|
|
|
|
ret = av_packet_add_side_data(pkt, AV_PKT_DATA_CPB_PROPERTIES,
|
|
(uint8_t*)props, props_size);
|
|
if (ret < 0) {
|
|
av_freep(&props);
|
|
return ret;
|
|
}
|
|
}
|
|
s->total_bits += s->frame_bits;
|
|
|
|
pkt->pts = s->current_picture.f->pts;
|
|
if (!s->low_delay && s->pict_type != AV_PICTURE_TYPE_B) {
|
|
if (!s->current_picture.f->coded_picture_number)
|
|
pkt->dts = pkt->pts - s->dts_delta;
|
|
else
|
|
pkt->dts = s->reordered_pts;
|
|
s->reordered_pts = pkt->pts;
|
|
} else
|
|
pkt->dts = pkt->pts;
|
|
if (s->current_picture.f->key_frame)
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
if (s->mb_info)
|
|
av_packet_shrink_side_data(pkt, AV_PKT_DATA_H263_MB_INFO, s->mb_info_size);
|
|
} else {
|
|
s->frame_bits = 0;
|
|
}
|
|
|
|
/* release non-reference frames */
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (!s->picture[i].reference)
|
|
ff_mpeg_unref_picture(avctx, &s->picture[i]);
|
|
}
|
|
|
|
av_assert1((s->frame_bits & 7) == 0);
|
|
|
|
pkt->size = s->frame_bits / 8;
|
|
*got_packet = !!pkt->size;
|
|
return 0;
|
|
}
|
|
|
|
static inline void dct_single_coeff_elimination(MpegEncContext *s,
|
|
int n, int threshold)
|
|
{
|
|
static const char tab[64] = {
|
|
3, 2, 2, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0
|
|
};
|
|
int score = 0;
|
|
int run = 0;
|
|
int i;
|
|
int16_t *block = s->block[n];
|
|
const int last_index = s->block_last_index[n];
|
|
int skip_dc;
|
|
|
|
if (threshold < 0) {
|
|
skip_dc = 0;
|
|
threshold = -threshold;
|
|
} else
|
|
skip_dc = 1;
|
|
|
|
/* Are all we could set to zero already zero? */
|
|
if (last_index <= skip_dc - 1)
|
|
return;
|
|
|
|
for (i = 0; i <= last_index; i++) {
|
|
const int j = s->intra_scantable.permutated[i];
|
|
const int level = FFABS(block[j]);
|
|
if (level == 1) {
|
|
if (skip_dc && i == 0)
|
|
continue;
|
|
score += tab[run];
|
|
run = 0;
|
|
} else if (level > 1) {
|
|
return;
|
|
} else {
|
|
run++;
|
|
}
|
|
}
|
|
if (score >= threshold)
|
|
return;
|
|
for (i = skip_dc; i <= last_index; i++) {
|
|
const int j = s->intra_scantable.permutated[i];
|
|
block[j] = 0;
|
|
}
|
|
if (block[0])
|
|
s->block_last_index[n] = 0;
|
|
else
|
|
s->block_last_index[n] = -1;
|
|
}
|
|
|
|
static inline void clip_coeffs(MpegEncContext *s, int16_t *block,
|
|
int last_index)
|
|
{
|
|
int i;
|
|
const int maxlevel = s->max_qcoeff;
|
|
const int minlevel = s->min_qcoeff;
|
|
int overflow = 0;
|
|
|
|
if (s->mb_intra) {
|
|
i = 1; // skip clipping of intra dc
|
|
} else
|
|
i = 0;
|
|
|
|
for (; i <= last_index; i++) {
|
|
const int j = s->intra_scantable.permutated[i];
|
|
int level = block[j];
|
|
|
|
if (level > maxlevel) {
|
|
level = maxlevel;
|
|
overflow++;
|
|
} else if (level < minlevel) {
|
|
level = minlevel;
|
|
overflow++;
|
|
}
|
|
|
|
block[j] = level;
|
|
}
|
|
|
|
if (overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
|
|
av_log(s->avctx, AV_LOG_INFO,
|
|
"warning, clipping %d dct coefficients to %d..%d\n",
|
|
overflow, minlevel, maxlevel);
|
|
}
|
|
|
|
static void get_visual_weight(int16_t *weight, const uint8_t *ptr, int stride)
|
|
{
|
|
int x, y;
|
|
// FIXME optimize
|
|
for (y = 0; y < 8; y++) {
|
|
for (x = 0; x < 8; x++) {
|
|
int x2, y2;
|
|
int sum = 0;
|
|
int sqr = 0;
|
|
int count = 0;
|
|
|
|
for (y2 = FFMAX(y - 1, 0); y2 < FFMIN(8, y + 2); y2++) {
|
|
for (x2= FFMAX(x - 1, 0); x2 < FFMIN(8, x + 2); x2++) {
|
|
int v = ptr[x2 + y2 * stride];
|
|
sum += v;
|
|
sqr += v * v;
|
|
count++;
|
|
}
|
|
}
|
|
weight[x + 8 * y]= (36 * ff_sqrt(count * sqr - sum * sum)) / count;
|
|
}
|
|
}
|
|
}
|
|
|
|
static av_always_inline void encode_mb_internal(MpegEncContext *s,
|
|
int motion_x, int motion_y,
|
|
int mb_block_height,
|
|
int mb_block_width,
|
|
int mb_block_count,
|
|
int chroma_x_shift,
|
|
int chroma_y_shift,
|
|
int chroma_format)
|
|
{
|
|
/* Interlaced DCT is only possible with MPEG-2 and MPEG-4
|
|
* and neither of these encoders currently supports 444. */
|
|
#define INTERLACED_DCT(s) ((chroma_format == CHROMA_420 || chroma_format == CHROMA_422) && \
|
|
(s)->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT)
|
|
int16_t weight[12][64];
|
|
int16_t orig[12][64];
|
|
const int mb_x = s->mb_x;
|
|
const int mb_y = s->mb_y;
|
|
int i;
|
|
int skip_dct[12];
|
|
int dct_offset = s->linesize * 8; // default for progressive frames
|
|
int uv_dct_offset = s->uvlinesize * 8;
|
|
const uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
ptrdiff_t wrap_y, wrap_c;
|
|
|
|
for (i = 0; i < mb_block_count; i++)
|
|
skip_dct[i] = s->skipdct;
|
|
|
|
if (s->adaptive_quant) {
|
|
const int last_qp = s->qscale;
|
|
const int mb_xy = mb_x + mb_y * s->mb_stride;
|
|
|
|
s->lambda = s->lambda_table[mb_xy];
|
|
update_qscale(s);
|
|
|
|
if (!(s->mpv_flags & FF_MPV_FLAG_QP_RD)) {
|
|
s->qscale = s->current_picture_ptr->qscale_table[mb_xy];
|
|
s->dquant = s->qscale - last_qp;
|
|
|
|
if (s->out_format == FMT_H263) {
|
|
s->dquant = av_clip(s->dquant, -2, 2);
|
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG4) {
|
|
if (!s->mb_intra) {
|
|
if (s->pict_type == AV_PICTURE_TYPE_B) {
|
|
if (s->dquant & 1 || s->mv_dir & MV_DIRECT)
|
|
s->dquant = 0;
|
|
}
|
|
if (s->mv_type == MV_TYPE_8X8)
|
|
s->dquant = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ff_set_qscale(s, last_qp + s->dquant);
|
|
} else if (s->mpv_flags & FF_MPV_FLAG_QP_RD)
|
|
ff_set_qscale(s, s->qscale + s->dquant);
|
|
|
|
wrap_y = s->linesize;
|
|
wrap_c = s->uvlinesize;
|
|
ptr_y = s->new_picture->data[0] +
|
|
(mb_y * 16 * wrap_y) + mb_x * 16;
|
|
ptr_cb = s->new_picture->data[1] +
|
|
(mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
|
|
ptr_cr = s->new_picture->data[2] +
|
|
(mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
|
|
|
|
if((mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) && s->codec_id != AV_CODEC_ID_AMV){
|
|
uint8_t *ebuf = s->sc.edge_emu_buffer + 38 * wrap_y;
|
|
int cw = (s->width + chroma_x_shift) >> chroma_x_shift;
|
|
int ch = (s->height + chroma_y_shift) >> chroma_y_shift;
|
|
s->vdsp.emulated_edge_mc(ebuf, ptr_y,
|
|
wrap_y, wrap_y,
|
|
16, 16, mb_x * 16, mb_y * 16,
|
|
s->width, s->height);
|
|
ptr_y = ebuf;
|
|
s->vdsp.emulated_edge_mc(ebuf + 16 * wrap_y, ptr_cb,
|
|
wrap_c, wrap_c,
|
|
mb_block_width, mb_block_height,
|
|
mb_x * mb_block_width, mb_y * mb_block_height,
|
|
cw, ch);
|
|
ptr_cb = ebuf + 16 * wrap_y;
|
|
s->vdsp.emulated_edge_mc(ebuf + 16 * wrap_y + 16, ptr_cr,
|
|
wrap_c, wrap_c,
|
|
mb_block_width, mb_block_height,
|
|
mb_x * mb_block_width, mb_y * mb_block_height,
|
|
cw, ch);
|
|
ptr_cr = ebuf + 16 * wrap_y + 16;
|
|
}
|
|
|
|
if (s->mb_intra) {
|
|
if (INTERLACED_DCT(s)) {
|
|
int progressive_score, interlaced_score;
|
|
|
|
s->interlaced_dct = 0;
|
|
progressive_score = s->mecc.ildct_cmp[4](s, ptr_y, NULL, wrap_y, 8) +
|
|
s->mecc.ildct_cmp[4](s, ptr_y + wrap_y * 8,
|
|
NULL, wrap_y, 8) - 400;
|
|
|
|
if (progressive_score > 0) {
|
|
interlaced_score = s->mecc.ildct_cmp[4](s, ptr_y,
|
|
NULL, wrap_y * 2, 8) +
|
|
s->mecc.ildct_cmp[4](s, ptr_y + wrap_y,
|
|
NULL, wrap_y * 2, 8);
|
|
if (progressive_score > interlaced_score) {
|
|
s->interlaced_dct = 1;
|
|
|
|
dct_offset = wrap_y;
|
|
uv_dct_offset = wrap_c;
|
|
wrap_y <<= 1;
|
|
if (chroma_format == CHROMA_422 ||
|
|
chroma_format == CHROMA_444)
|
|
wrap_c <<= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
s->pdsp.get_pixels(s->block[0], ptr_y, wrap_y);
|
|
s->pdsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
|
|
s->pdsp.get_pixels(s->block[2], ptr_y + dct_offset, wrap_y);
|
|
s->pdsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
|
|
skip_dct[4] = 1;
|
|
skip_dct[5] = 1;
|
|
} else {
|
|
s->pdsp.get_pixels(s->block[4], ptr_cb, wrap_c);
|
|
s->pdsp.get_pixels(s->block[5], ptr_cr, wrap_c);
|
|
if (chroma_format == CHROMA_422) {
|
|
s->pdsp.get_pixels(s->block[6], ptr_cb + uv_dct_offset, wrap_c);
|
|
s->pdsp.get_pixels(s->block[7], ptr_cr + uv_dct_offset, wrap_c);
|
|
} else if (chroma_format == CHROMA_444) {
|
|
s->pdsp.get_pixels(s->block[ 6], ptr_cb + 8, wrap_c);
|
|
s->pdsp.get_pixels(s->block[ 7], ptr_cr + 8, wrap_c);
|
|
s->pdsp.get_pixels(s->block[ 8], ptr_cb + uv_dct_offset, wrap_c);
|
|
s->pdsp.get_pixels(s->block[ 9], ptr_cr + uv_dct_offset, wrap_c);
|
|
s->pdsp.get_pixels(s->block[10], ptr_cb + uv_dct_offset + 8, wrap_c);
|
|
s->pdsp.get_pixels(s->block[11], ptr_cr + uv_dct_offset + 8, wrap_c);
|
|
}
|
|
}
|
|
} else {
|
|
op_pixels_func (*op_pix)[4];
|
|
qpel_mc_func (*op_qpix)[16];
|
|
uint8_t *dest_y, *dest_cb, *dest_cr;
|
|
|
|
dest_y = s->dest[0];
|
|
dest_cb = s->dest[1];
|
|
dest_cr = s->dest[2];
|
|
|
|
if ((!s->no_rounding) || s->pict_type == AV_PICTURE_TYPE_B) {
|
|
op_pix = s->hdsp.put_pixels_tab;
|
|
op_qpix = s->qdsp.put_qpel_pixels_tab;
|
|
} else {
|
|
op_pix = s->hdsp.put_no_rnd_pixels_tab;
|
|
op_qpix = s->qdsp.put_no_rnd_qpel_pixels_tab;
|
|
}
|
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 0,
|
|
s->last_picture.f->data,
|
|
op_pix, op_qpix);
|
|
op_pix = s->hdsp.avg_pixels_tab;
|
|
op_qpix = s->qdsp.avg_qpel_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 1,
|
|
s->next_picture.f->data,
|
|
op_pix, op_qpix);
|
|
}
|
|
|
|
if (INTERLACED_DCT(s)) {
|
|
int progressive_score, interlaced_score;
|
|
|
|
s->interlaced_dct = 0;
|
|
progressive_score = s->mecc.ildct_cmp[0](s, dest_y, ptr_y, wrap_y, 8) +
|
|
s->mecc.ildct_cmp[0](s, dest_y + wrap_y * 8,
|
|
ptr_y + wrap_y * 8,
|
|
wrap_y, 8) - 400;
|
|
|
|
if (s->avctx->ildct_cmp == FF_CMP_VSSE)
|
|
progressive_score -= 400;
|
|
|
|
if (progressive_score > 0) {
|
|
interlaced_score = s->mecc.ildct_cmp[0](s, dest_y, ptr_y,
|
|
wrap_y * 2, 8) +
|
|
s->mecc.ildct_cmp[0](s, dest_y + wrap_y,
|
|
ptr_y + wrap_y,
|
|
wrap_y * 2, 8);
|
|
|
|
if (progressive_score > interlaced_score) {
|
|
s->interlaced_dct = 1;
|
|
|
|
dct_offset = wrap_y;
|
|
uv_dct_offset = wrap_c;
|
|
wrap_y <<= 1;
|
|
if (chroma_format == CHROMA_422)
|
|
wrap_c <<= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
s->pdsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);
|
|
s->pdsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
|
|
s->pdsp.diff_pixels(s->block[2], ptr_y + dct_offset,
|
|
dest_y + dct_offset, wrap_y);
|
|
s->pdsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
|
|
dest_y + dct_offset + 8, wrap_y);
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
|
|
skip_dct[4] = 1;
|
|
skip_dct[5] = 1;
|
|
} else {
|
|
s->pdsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
|
|
s->pdsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
|
|
if (!chroma_y_shift) { /* 422 */
|
|
s->pdsp.diff_pixels(s->block[6], ptr_cb + uv_dct_offset,
|
|
dest_cb + uv_dct_offset, wrap_c);
|
|
s->pdsp.diff_pixels(s->block[7], ptr_cr + uv_dct_offset,
|
|
dest_cr + uv_dct_offset, wrap_c);
|
|
}
|
|
}
|
|
/* pre quantization */
|
|
if (s->mc_mb_var[s->mb_stride * mb_y + mb_x] < 2 * s->qscale * s->qscale) {
|
|
// FIXME optimize
|
|
if (s->mecc.sad[1](NULL, ptr_y, dest_y, wrap_y, 8) < 20 * s->qscale)
|
|
skip_dct[0] = 1;
|
|
if (s->mecc.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20 * s->qscale)
|
|
skip_dct[1] = 1;
|
|
if (s->mecc.sad[1](NULL, ptr_y + dct_offset, dest_y + dct_offset,
|
|
wrap_y, 8) < 20 * s->qscale)
|
|
skip_dct[2] = 1;
|
|
if (s->mecc.sad[1](NULL, ptr_y + dct_offset + 8, dest_y + dct_offset + 8,
|
|
wrap_y, 8) < 20 * s->qscale)
|
|
skip_dct[3] = 1;
|
|
if (s->mecc.sad[1](NULL, ptr_cb, dest_cb, wrap_c, 8) < 20 * s->qscale)
|
|
skip_dct[4] = 1;
|
|
if (s->mecc.sad[1](NULL, ptr_cr, dest_cr, wrap_c, 8) < 20 * s->qscale)
|
|
skip_dct[5] = 1;
|
|
if (!chroma_y_shift) { /* 422 */
|
|
if (s->mecc.sad[1](NULL, ptr_cb + uv_dct_offset,
|
|
dest_cb + uv_dct_offset,
|
|
wrap_c, 8) < 20 * s->qscale)
|
|
skip_dct[6] = 1;
|
|
if (s->mecc.sad[1](NULL, ptr_cr + uv_dct_offset,
|
|
dest_cr + uv_dct_offset,
|
|
wrap_c, 8) < 20 * s->qscale)
|
|
skip_dct[7] = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->quantizer_noise_shaping) {
|
|
if (!skip_dct[0])
|
|
get_visual_weight(weight[0], ptr_y , wrap_y);
|
|
if (!skip_dct[1])
|
|
get_visual_weight(weight[1], ptr_y + 8, wrap_y);
|
|
if (!skip_dct[2])
|
|
get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
|
|
if (!skip_dct[3])
|
|
get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
|
|
if (!skip_dct[4])
|
|
get_visual_weight(weight[4], ptr_cb , wrap_c);
|
|
if (!skip_dct[5])
|
|
get_visual_weight(weight[5], ptr_cr , wrap_c);
|
|
if (!chroma_y_shift) { /* 422 */
|
|
if (!skip_dct[6])
|
|
get_visual_weight(weight[6], ptr_cb + uv_dct_offset,
|
|
wrap_c);
|
|
if (!skip_dct[7])
|
|
get_visual_weight(weight[7], ptr_cr + uv_dct_offset,
|
|
wrap_c);
|
|
}
|
|
memcpy(orig[0], s->block[0], sizeof(int16_t) * 64 * mb_block_count);
|
|
}
|
|
|
|
/* DCT & quantize */
|
|
av_assert2(s->out_format != FMT_MJPEG || s->qscale == 8);
|
|
{
|
|
for (i = 0; i < mb_block_count; i++) {
|
|
if (!skip_dct[i]) {
|
|
int overflow;
|
|
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
|
|
// FIXME we could decide to change to quantizer instead of
|
|
// clipping
|
|
// JS: I don't think that would be a good idea it could lower
|
|
// quality instead of improve it. Just INTRADC clipping
|
|
// deserves changes in quantizer
|
|
if (overflow)
|
|
clip_coeffs(s, s->block[i], s->block_last_index[i]);
|
|
} else
|
|
s->block_last_index[i] = -1;
|
|
}
|
|
if (s->quantizer_noise_shaping) {
|
|
for (i = 0; i < mb_block_count; i++) {
|
|
if (!skip_dct[i]) {
|
|
s->block_last_index[i] =
|
|
dct_quantize_refine(s, s->block[i], weight[i],
|
|
orig[i], i, s->qscale);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->luma_elim_threshold && !s->mb_intra)
|
|
for (i = 0; i < 4; i++)
|
|
dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
|
|
if (s->chroma_elim_threshold && !s->mb_intra)
|
|
for (i = 4; i < mb_block_count; i++)
|
|
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
|
|
|
|
if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
|
|
for (i = 0; i < mb_block_count; i++) {
|
|
if (s->block_last_index[i] == -1)
|
|
s->coded_score[i] = INT_MAX / 256;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((s->avctx->flags & AV_CODEC_FLAG_GRAY) && s->mb_intra) {
|
|
s->block_last_index[4] =
|
|
s->block_last_index[5] = 0;
|
|
s->block[4][0] =
|
|
s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale;
|
|
if (!chroma_y_shift) { /* 422 / 444 */
|
|
for (i=6; i<12; i++) {
|
|
s->block_last_index[i] = 0;
|
|
s->block[i][0] = s->block[4][0];
|
|
}
|
|
}
|
|
}
|
|
|
|
// non c quantize code returns incorrect block_last_index FIXME
|
|
if (s->alternate_scan && s->dct_quantize != ff_dct_quantize_c) {
|
|
for (i = 0; i < mb_block_count; i++) {
|
|
int j;
|
|
if (s->block_last_index[i] > 0) {
|
|
for (j = 63; j > 0; j--) {
|
|
if (s->block[i][s->intra_scantable.permutated[j]])
|
|
break;
|
|
}
|
|
s->block_last_index[i] = j;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* huffman encode */
|
|
switch(s->codec_id){ //FIXME funct ptr could be slightly faster
|
|
case AV_CODEC_ID_MPEG1VIDEO:
|
|
case AV_CODEC_ID_MPEG2VIDEO:
|
|
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
|
ff_mpeg1_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case AV_CODEC_ID_MPEG4:
|
|
if (CONFIG_MPEG4_ENCODER)
|
|
ff_mpeg4_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case AV_CODEC_ID_MSMPEG4V2:
|
|
case AV_CODEC_ID_MSMPEG4V3:
|
|
case AV_CODEC_ID_WMV1:
|
|
if (CONFIG_MSMPEG4ENC)
|
|
ff_msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case AV_CODEC_ID_WMV2:
|
|
if (CONFIG_WMV2_ENCODER)
|
|
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case AV_CODEC_ID_H261:
|
|
if (CONFIG_H261_ENCODER)
|
|
ff_h261_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case AV_CODEC_ID_H263:
|
|
case AV_CODEC_ID_H263P:
|
|
case AV_CODEC_ID_FLV1:
|
|
case AV_CODEC_ID_RV10:
|
|
case AV_CODEC_ID_RV20:
|
|
if (CONFIG_H263_ENCODER)
|
|
ff_h263_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
#if CONFIG_MJPEG_ENCODER || CONFIG_AMV_ENCODER
|
|
case AV_CODEC_ID_MJPEG:
|
|
case AV_CODEC_ID_AMV:
|
|
ff_mjpeg_encode_mb(s, s->block);
|
|
break;
|
|
#endif
|
|
case AV_CODEC_ID_SPEEDHQ:
|
|
if (CONFIG_SPEEDHQ_ENCODER)
|
|
ff_speedhq_encode_mb(s, s->block);
|
|
break;
|
|
default:
|
|
av_assert1(0);
|
|
}
|
|
}
|
|
|
|
static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
|
|
{
|
|
if (s->chroma_format == CHROMA_420)
|
|
encode_mb_internal(s, motion_x, motion_y, 8, 8, 6, 1, 1, CHROMA_420);
|
|
else if (s->chroma_format == CHROMA_422)
|
|
encode_mb_internal(s, motion_x, motion_y, 16, 8, 8, 1, 0, CHROMA_422);
|
|
else
|
|
encode_mb_internal(s, motion_x, motion_y, 16, 16, 12, 0, 0, CHROMA_444);
|
|
}
|
|
|
|
static inline void copy_context_before_encode(MpegEncContext *d,
|
|
const MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
|
|
|
|
/* MPEG-1 */
|
|
d->mb_skip_run= s->mb_skip_run;
|
|
for(i=0; i<3; i++)
|
|
d->last_dc[i] = s->last_dc[i];
|
|
|
|
/* statistics */
|
|
d->mv_bits= s->mv_bits;
|
|
d->i_tex_bits= s->i_tex_bits;
|
|
d->p_tex_bits= s->p_tex_bits;
|
|
d->i_count= s->i_count;
|
|
d->skip_count= s->skip_count;
|
|
d->misc_bits= s->misc_bits;
|
|
d->last_bits= 0;
|
|
|
|
d->mb_skipped= 0;
|
|
d->qscale= s->qscale;
|
|
d->dquant= s->dquant;
|
|
|
|
d->esc3_level_length= s->esc3_level_length;
|
|
}
|
|
|
|
static inline void copy_context_after_encode(MpegEncContext *d,
|
|
const MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
|
|
memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
|
|
|
|
/* MPEG-1 */
|
|
d->mb_skip_run= s->mb_skip_run;
|
|
for(i=0; i<3; i++)
|
|
d->last_dc[i] = s->last_dc[i];
|
|
|
|
/* statistics */
|
|
d->mv_bits= s->mv_bits;
|
|
d->i_tex_bits= s->i_tex_bits;
|
|
d->p_tex_bits= s->p_tex_bits;
|
|
d->i_count= s->i_count;
|
|
d->skip_count= s->skip_count;
|
|
d->misc_bits= s->misc_bits;
|
|
|
|
d->mb_intra= s->mb_intra;
|
|
d->mb_skipped= s->mb_skipped;
|
|
d->mv_type= s->mv_type;
|
|
d->mv_dir= s->mv_dir;
|
|
d->pb= s->pb;
|
|
if(s->data_partitioning){
|
|
d->pb2= s->pb2;
|
|
d->tex_pb= s->tex_pb;
|
|
}
|
|
d->block= s->block;
|
|
for(i=0; i<8; i++)
|
|
d->block_last_index[i]= s->block_last_index[i];
|
|
d->interlaced_dct= s->interlaced_dct;
|
|
d->qscale= s->qscale;
|
|
|
|
d->esc3_level_length= s->esc3_level_length;
|
|
}
|
|
|
|
static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best,
|
|
PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
|
|
int *dmin, int *next_block, int motion_x, int motion_y)
|
|
{
|
|
int score;
|
|
uint8_t *dest_backup[3];
|
|
|
|
copy_context_before_encode(s, backup);
|
|
|
|
s->block= s->blocks[*next_block];
|
|
s->pb= pb[*next_block];
|
|
if(s->data_partitioning){
|
|
s->pb2 = pb2 [*next_block];
|
|
s->tex_pb= tex_pb[*next_block];
|
|
}
|
|
|
|
if(*next_block){
|
|
memcpy(dest_backup, s->dest, sizeof(s->dest));
|
|
s->dest[0] = s->sc.rd_scratchpad;
|
|
s->dest[1] = s->sc.rd_scratchpad + 16*s->linesize;
|
|
s->dest[2] = s->sc.rd_scratchpad + 16*s->linesize + 8;
|
|
av_assert0(s->linesize >= 32); //FIXME
|
|
}
|
|
|
|
encode_mb(s, motion_x, motion_y);
|
|
|
|
score= put_bits_count(&s->pb);
|
|
if(s->data_partitioning){
|
|
score+= put_bits_count(&s->pb2);
|
|
score+= put_bits_count(&s->tex_pb);
|
|
}
|
|
|
|
if(s->avctx->mb_decision == FF_MB_DECISION_RD){
|
|
ff_mpv_reconstruct_mb(s, s->block);
|
|
|
|
score *= s->lambda2;
|
|
score += sse_mb(s) << FF_LAMBDA_SHIFT;
|
|
}
|
|
|
|
if(*next_block){
|
|
memcpy(s->dest, dest_backup, sizeof(s->dest));
|
|
}
|
|
|
|
if(score<*dmin){
|
|
*dmin= score;
|
|
*next_block^=1;
|
|
|
|
copy_context_after_encode(best, s);
|
|
}
|
|
}
|
|
|
|
static int sse(MpegEncContext *s, const uint8_t *src1, const uint8_t *src2, int w, int h, int stride){
|
|
const uint32_t *sq = ff_square_tab + 256;
|
|
int acc=0;
|
|
int x,y;
|
|
|
|
if(w==16 && h==16)
|
|
return s->mecc.sse[0](NULL, src1, src2, stride, 16);
|
|
else if(w==8 && h==8)
|
|
return s->mecc.sse[1](NULL, src1, src2, stride, 8);
|
|
|
|
for(y=0; y<h; y++){
|
|
for(x=0; x<w; x++){
|
|
acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
|
|
}
|
|
}
|
|
|
|
av_assert2(acc>=0);
|
|
|
|
return acc;
|
|
}
|
|
|
|
static int sse_mb(MpegEncContext *s){
|
|
int w= 16;
|
|
int h= 16;
|
|
int chroma_mb_w = w >> s->chroma_x_shift;
|
|
int chroma_mb_h = h >> s->chroma_y_shift;
|
|
|
|
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
|
|
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
|
|
|
|
if(w==16 && h==16)
|
|
if(s->avctx->mb_cmp == FF_CMP_NSSE){
|
|
return s->mecc.nsse[0](s, s->new_picture->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16,
|
|
s->dest[0], s->linesize, 16) +
|
|
s->mecc.nsse[1](s, s->new_picture->data[1] + s->mb_x * chroma_mb_w + s->mb_y * s->uvlinesize * chroma_mb_h,
|
|
s->dest[1], s->uvlinesize, chroma_mb_h) +
|
|
s->mecc.nsse[1](s, s->new_picture->data[2] + s->mb_x * chroma_mb_w + s->mb_y * s->uvlinesize * chroma_mb_h,
|
|
s->dest[2], s->uvlinesize, chroma_mb_h);
|
|
}else{
|
|
return s->mecc.sse[0](NULL, s->new_picture->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16,
|
|
s->dest[0], s->linesize, 16) +
|
|
s->mecc.sse[1](NULL, s->new_picture->data[1] + s->mb_x * chroma_mb_w + s->mb_y * s->uvlinesize * chroma_mb_h,
|
|
s->dest[1], s->uvlinesize, chroma_mb_h) +
|
|
s->mecc.sse[1](NULL, s->new_picture->data[2] + s->mb_x * chroma_mb_w + s->mb_y * s->uvlinesize * chroma_mb_h,
|
|
s->dest[2], s->uvlinesize, chroma_mb_h);
|
|
}
|
|
else
|
|
return sse(s, s->new_picture->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16,
|
|
s->dest[0], w, h, s->linesize) +
|
|
sse(s, s->new_picture->data[1] + s->mb_x * chroma_mb_w + s->mb_y * s->uvlinesize * chroma_mb_h,
|
|
s->dest[1], w >> s->chroma_x_shift, h >> s->chroma_y_shift, s->uvlinesize) +
|
|
sse(s, s->new_picture->data[2] + s->mb_x * chroma_mb_w + s->mb_y * s->uvlinesize * chroma_mb_h,
|
|
s->dest[2], w >> s->chroma_x_shift, h >> s->chroma_y_shift, s->uvlinesize);
|
|
}
|
|
|
|
static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
|
|
MpegEncContext *s= *(void**)arg;
|
|
|
|
|
|
s->me.pre_pass=1;
|
|
s->me.dia_size= s->avctx->pre_dia_size;
|
|
s->first_slice_line=1;
|
|
for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
|
|
for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
|
|
ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
|
|
}
|
|
s->first_slice_line=0;
|
|
}
|
|
|
|
s->me.pre_pass=0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int estimate_motion_thread(AVCodecContext *c, void *arg){
|
|
MpegEncContext *s= *(void**)arg;
|
|
|
|
s->me.dia_size= s->avctx->dia_size;
|
|
s->first_slice_line=1;
|
|
for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
|
|
s->mb_x=0; //for block init below
|
|
ff_init_block_index(s);
|
|
for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
|
|
s->block_index[0]+=2;
|
|
s->block_index[1]+=2;
|
|
s->block_index[2]+=2;
|
|
s->block_index[3]+=2;
|
|
|
|
/* compute motion vector & mb_type and store in context */
|
|
if(s->pict_type==AV_PICTURE_TYPE_B)
|
|
ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
|
|
else
|
|
ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
|
|
}
|
|
s->first_slice_line=0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mb_var_thread(AVCodecContext *c, void *arg){
|
|
MpegEncContext *s= *(void**)arg;
|
|
int mb_x, mb_y;
|
|
|
|
for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
|
|
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
|
|
int xx = mb_x * 16;
|
|
int yy = mb_y * 16;
|
|
const uint8_t *pix = s->new_picture->data[0] + (yy * s->linesize) + xx;
|
|
int varc;
|
|
int sum = s->mpvencdsp.pix_sum(pix, s->linesize);
|
|
|
|
varc = (s->mpvencdsp.pix_norm1(pix, s->linesize) -
|
|
(((unsigned) sum * sum) >> 8) + 500 + 128) >> 8;
|
|
|
|
s->mb_var [s->mb_stride * mb_y + mb_x] = varc;
|
|
s->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
|
|
s->me.mb_var_sum_temp += varc;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void write_slice_end(MpegEncContext *s){
|
|
if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4){
|
|
if(s->partitioned_frame){
|
|
ff_mpeg4_merge_partitions(s);
|
|
}
|
|
|
|
ff_mpeg4_stuffing(&s->pb);
|
|
} else if ((CONFIG_MJPEG_ENCODER || CONFIG_AMV_ENCODER) &&
|
|
s->out_format == FMT_MJPEG) {
|
|
ff_mjpeg_encode_stuffing(s);
|
|
} else if (CONFIG_SPEEDHQ_ENCODER && s->out_format == FMT_SPEEDHQ) {
|
|
ff_speedhq_end_slice(s);
|
|
}
|
|
|
|
flush_put_bits(&s->pb);
|
|
|
|
if ((s->avctx->flags & AV_CODEC_FLAG_PASS1) && !s->partitioned_frame)
|
|
s->misc_bits+= get_bits_diff(s);
|
|
}
|
|
|
|
static void write_mb_info(MpegEncContext *s)
|
|
{
|
|
uint8_t *ptr = s->mb_info_ptr + s->mb_info_size - 12;
|
|
int offset = put_bits_count(&s->pb);
|
|
int mba = s->mb_x + s->mb_width * (s->mb_y % s->gob_index);
|
|
int gobn = s->mb_y / s->gob_index;
|
|
int pred_x, pred_y;
|
|
if (CONFIG_H263_ENCODER)
|
|
ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
|
|
bytestream_put_le32(&ptr, offset);
|
|
bytestream_put_byte(&ptr, s->qscale);
|
|
bytestream_put_byte(&ptr, gobn);
|
|
bytestream_put_le16(&ptr, mba);
|
|
bytestream_put_byte(&ptr, pred_x); /* hmv1 */
|
|
bytestream_put_byte(&ptr, pred_y); /* vmv1 */
|
|
/* 4MV not implemented */
|
|
bytestream_put_byte(&ptr, 0); /* hmv2 */
|
|
bytestream_put_byte(&ptr, 0); /* vmv2 */
|
|
}
|
|
|
|
static void update_mb_info(MpegEncContext *s, int startcode)
|
|
{
|
|
if (!s->mb_info)
|
|
return;
|
|
if (put_bytes_count(&s->pb, 0) - s->prev_mb_info >= s->mb_info) {
|
|
s->mb_info_size += 12;
|
|
s->prev_mb_info = s->last_mb_info;
|
|
}
|
|
if (startcode) {
|
|
s->prev_mb_info = put_bytes_count(&s->pb, 0);
|
|
/* This might have incremented mb_info_size above, and we return without
|
|
* actually writing any info into that slot yet. But in that case,
|
|
* this will be called again at the start of the after writing the
|
|
* start code, actually writing the mb info. */
|
|
return;
|
|
}
|
|
|
|
s->last_mb_info = put_bytes_count(&s->pb, 0);
|
|
if (!s->mb_info_size)
|
|
s->mb_info_size += 12;
|
|
write_mb_info(s);
|
|
}
|
|
|
|
int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t size_increase)
|
|
{
|
|
if (put_bytes_left(&s->pb, 0) < threshold
|
|
&& s->slice_context_count == 1
|
|
&& s->pb.buf == s->avctx->internal->byte_buffer) {
|
|
int lastgob_pos = s->ptr_lastgob - s->pb.buf;
|
|
|
|
uint8_t *new_buffer = NULL;
|
|
int new_buffer_size = 0;
|
|
|
|
if ((s->avctx->internal->byte_buffer_size + size_increase) >= INT_MAX/8) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Cannot reallocate putbit buffer\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
emms_c();
|
|
|
|
av_fast_padded_malloc(&new_buffer, &new_buffer_size,
|
|
s->avctx->internal->byte_buffer_size + size_increase);
|
|
if (!new_buffer)
|
|
return AVERROR(ENOMEM);
|
|
|
|
memcpy(new_buffer, s->avctx->internal->byte_buffer, s->avctx->internal->byte_buffer_size);
|
|
av_free(s->avctx->internal->byte_buffer);
|
|
s->avctx->internal->byte_buffer = new_buffer;
|
|
s->avctx->internal->byte_buffer_size = new_buffer_size;
|
|
rebase_put_bits(&s->pb, new_buffer, new_buffer_size);
|
|
s->ptr_lastgob = s->pb.buf + lastgob_pos;
|
|
}
|
|
if (put_bytes_left(&s->pb, 0) < threshold)
|
|
return AVERROR(EINVAL);
|
|
return 0;
|
|
}
|
|
|
|
static int encode_thread(AVCodecContext *c, void *arg){
|
|
MpegEncContext *s= *(void**)arg;
|
|
int mb_x, mb_y, mb_y_order;
|
|
int chr_h= 16>>s->chroma_y_shift;
|
|
int i, j;
|
|
MpegEncContext best_s = { 0 }, backup_s;
|
|
uint8_t bit_buf[2][MAX_MB_BYTES];
|
|
uint8_t bit_buf2[2][MAX_MB_BYTES];
|
|
uint8_t bit_buf_tex[2][MAX_MB_BYTES];
|
|
PutBitContext pb[2], pb2[2], tex_pb[2];
|
|
|
|
for(i=0; i<2; i++){
|
|
init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
|
|
init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
|
|
init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
|
|
}
|
|
|
|
s->last_bits= put_bits_count(&s->pb);
|
|
s->mv_bits=0;
|
|
s->misc_bits=0;
|
|
s->i_tex_bits=0;
|
|
s->p_tex_bits=0;
|
|
s->i_count=0;
|
|
s->skip_count=0;
|
|
|
|
for(i=0; i<3; i++){
|
|
/* init last dc values */
|
|
/* note: quant matrix value (8) is implied here */
|
|
s->last_dc[i] = 128 << s->intra_dc_precision;
|
|
|
|
s->encoding_error[i] = 0;
|
|
}
|
|
if(s->codec_id==AV_CODEC_ID_AMV){
|
|
s->last_dc[0] = 128*8/13;
|
|
s->last_dc[1] = 128*8/14;
|
|
s->last_dc[2] = 128*8/14;
|
|
}
|
|
s->mb_skip_run = 0;
|
|
memset(s->last_mv, 0, sizeof(s->last_mv));
|
|
|
|
s->last_mv_dir = 0;
|
|
|
|
switch(s->codec_id){
|
|
case AV_CODEC_ID_H263:
|
|
case AV_CODEC_ID_H263P:
|
|
case AV_CODEC_ID_FLV1:
|
|
if (CONFIG_H263_ENCODER)
|
|
s->gob_index = H263_GOB_HEIGHT(s->height);
|
|
break;
|
|
case AV_CODEC_ID_MPEG4:
|
|
if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
|
|
ff_mpeg4_init_partitions(s);
|
|
break;
|
|
}
|
|
|
|
s->resync_mb_x=0;
|
|
s->resync_mb_y=0;
|
|
s->first_slice_line = 1;
|
|
s->ptr_lastgob = s->pb.buf;
|
|
for (mb_y_order = s->start_mb_y; mb_y_order < s->end_mb_y; mb_y_order++) {
|
|
if (CONFIG_SPEEDHQ_ENCODER && s->codec_id == AV_CODEC_ID_SPEEDHQ) {
|
|
int first_in_slice;
|
|
mb_y = ff_speedhq_mb_y_order_to_mb(mb_y_order, s->mb_height, &first_in_slice);
|
|
if (first_in_slice && mb_y_order != s->start_mb_y)
|
|
ff_speedhq_end_slice(s);
|
|
s->last_dc[0] = s->last_dc[1] = s->last_dc[2] = 1024 << s->intra_dc_precision;
|
|
} else {
|
|
mb_y = mb_y_order;
|
|
}
|
|
s->mb_x=0;
|
|
s->mb_y= mb_y;
|
|
|
|
ff_set_qscale(s, s->qscale);
|
|
ff_init_block_index(s);
|
|
|
|
for(mb_x=0; mb_x < s->mb_width; mb_x++) {
|
|
int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
|
|
int mb_type= s->mb_type[xy];
|
|
// int d;
|
|
int dmin= INT_MAX;
|
|
int dir;
|
|
int size_increase = s->avctx->internal->byte_buffer_size/4
|
|
+ s->mb_width*MAX_MB_BYTES;
|
|
|
|
ff_mpv_reallocate_putbitbuffer(s, MAX_MB_BYTES, size_increase);
|
|
if (put_bytes_left(&s->pb, 0) < MAX_MB_BYTES){
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return -1;
|
|
}
|
|
if(s->data_partitioning){
|
|
if (put_bytes_left(&s->pb2, 0) < MAX_MB_BYTES ||
|
|
put_bytes_left(&s->tex_pb, 0) < MAX_MB_BYTES) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded partitioned frame too large\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
s->mb_x = mb_x;
|
|
s->mb_y = mb_y; // moved into loop, can get changed by H.261
|
|
ff_update_block_index(s, 8, 0, s->chroma_x_shift);
|
|
|
|
if(CONFIG_H261_ENCODER && s->codec_id == AV_CODEC_ID_H261){
|
|
ff_h261_reorder_mb_index(s);
|
|
xy= s->mb_y*s->mb_stride + s->mb_x;
|
|
mb_type= s->mb_type[xy];
|
|
}
|
|
|
|
/* write gob / video packet header */
|
|
if(s->rtp_mode){
|
|
int current_packet_size, is_gob_start;
|
|
|
|
current_packet_size = put_bytes_count(&s->pb, 1)
|
|
- (s->ptr_lastgob - s->pb.buf);
|
|
|
|
is_gob_start = s->rtp_payload_size &&
|
|
current_packet_size >= s->rtp_payload_size &&
|
|
mb_y + mb_x > 0;
|
|
|
|
if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
|
|
|
|
switch(s->codec_id){
|
|
case AV_CODEC_ID_H263:
|
|
case AV_CODEC_ID_H263P:
|
|
if(!s->h263_slice_structured)
|
|
if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
|
|
break;
|
|
case AV_CODEC_ID_MPEG2VIDEO:
|
|
if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
|
|
case AV_CODEC_ID_MPEG1VIDEO:
|
|
if(s->mb_skip_run) is_gob_start=0;
|
|
break;
|
|
case AV_CODEC_ID_MJPEG:
|
|
if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
|
|
break;
|
|
}
|
|
|
|
if(is_gob_start){
|
|
if(s->start_mb_y != mb_y || mb_x!=0){
|
|
write_slice_end(s);
|
|
|
|
if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4 && s->partitioned_frame){
|
|
ff_mpeg4_init_partitions(s);
|
|
}
|
|
}
|
|
|
|
av_assert2((put_bits_count(&s->pb)&7) == 0);
|
|
current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
|
|
|
|
if (s->error_rate && s->resync_mb_x + s->resync_mb_y > 0) {
|
|
int r = put_bytes_count(&s->pb, 0) + s->picture_number + 16 + s->mb_x + s->mb_y;
|
|
int d = 100 / s->error_rate;
|
|
if(r % d == 0){
|
|
current_packet_size=0;
|
|
s->pb.buf_ptr= s->ptr_lastgob;
|
|
av_assert1(put_bits_ptr(&s->pb) == s->ptr_lastgob);
|
|
}
|
|
}
|
|
|
|
switch(s->codec_id){
|
|
case AV_CODEC_ID_MPEG4:
|
|
if (CONFIG_MPEG4_ENCODER) {
|
|
ff_mpeg4_encode_video_packet_header(s);
|
|
ff_mpeg4_clean_buffers(s);
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_MPEG1VIDEO:
|
|
case AV_CODEC_ID_MPEG2VIDEO:
|
|
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
|
|
ff_mpeg1_encode_slice_header(s);
|
|
ff_mpeg1_clean_buffers(s);
|
|
}
|
|
break;
|
|
case AV_CODEC_ID_H263:
|
|
case AV_CODEC_ID_H263P:
|
|
if (CONFIG_H263_ENCODER) {
|
|
update_mb_info(s, 1);
|
|
ff_h263_encode_gob_header(s, mb_y);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_PASS1) {
|
|
int bits= put_bits_count(&s->pb);
|
|
s->misc_bits+= bits - s->last_bits;
|
|
s->last_bits= bits;
|
|
}
|
|
|
|
s->ptr_lastgob += current_packet_size;
|
|
s->first_slice_line=1;
|
|
s->resync_mb_x=mb_x;
|
|
s->resync_mb_y=mb_y;
|
|
}
|
|
}
|
|
|
|
if( (s->resync_mb_x == s->mb_x)
|
|
&& s->resync_mb_y+1 == s->mb_y){
|
|
s->first_slice_line=0;
|
|
}
|
|
|
|
s->mb_skipped=0;
|
|
s->dquant=0; //only for QP_RD
|
|
|
|
update_mb_info(s, 0);
|
|
|
|
if (mb_type & (mb_type-1) || (s->mpv_flags & FF_MPV_FLAG_QP_RD)) { // more than 1 MB type possible or FF_MPV_FLAG_QP_RD
|
|
int next_block=0;
|
|
int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
|
|
|
|
copy_context_before_encode(&backup_s, s);
|
|
backup_s.pb= s->pb;
|
|
best_s.data_partitioning= s->data_partitioning;
|
|
best_s.partitioned_frame= s->partitioned_frame;
|
|
if(s->data_partitioning){
|
|
backup_s.pb2= s->pb2;
|
|
backup_s.tex_pb= s->tex_pb;
|
|
}
|
|
|
|
if(mb_type&CANDIDATE_MB_TYPE_INTER){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->p_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->p_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[0][i] = s->p_field_select_table[i][xy];
|
|
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
|
|
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
|
|
}
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = 0;
|
|
s->mv[0][0][1] = 0;
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_8X8;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<4; i++){
|
|
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
|
|
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
|
|
}
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
|
|
s->mv_dir = MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[1][0][0] = s->b_back_mv_table[xy][0];
|
|
s->mv[1][0][1] = s->b_back_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
|
|
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
|
|
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
|
|
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
|
|
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
|
|
}
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
|
|
s->mv_dir = MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
|
|
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
|
|
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
|
|
}
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(dir=0; dir<2; dir++){
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
|
|
s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
|
|
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
|
|
}
|
|
}
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if(mb_type&CANDIDATE_MB_TYPE_INTRA){
|
|
s->mv_dir = 0;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= 1;
|
|
s->mv[0][0][0] = 0;
|
|
s->mv[0][0][1] = 0;
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
if(s->h263_pred || s->h263_aic){
|
|
if(best_s.mb_intra)
|
|
s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
|
|
else
|
|
ff_clean_intra_table_entries(s); //old mode?
|
|
}
|
|
}
|
|
|
|
if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) && dmin < INT_MAX) {
|
|
if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
|
|
const int last_qp= backup_s.qscale;
|
|
int qpi, qp, dc[6];
|
|
int16_t ac[6][16];
|
|
const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
|
|
static const int dquant_tab[4]={-1,1,-2,2};
|
|
int storecoefs = s->mb_intra && s->dc_val[0];
|
|
|
|
av_assert2(backup_s.dquant == 0);
|
|
|
|
//FIXME intra
|
|
s->mv_dir= best_s.mv_dir;
|
|
s->mv_type = MV_TYPE_16X16;
|
|
s->mb_intra= best_s.mb_intra;
|
|
s->mv[0][0][0] = best_s.mv[0][0][0];
|
|
s->mv[0][0][1] = best_s.mv[0][0][1];
|
|
s->mv[1][0][0] = best_s.mv[1][0][0];
|
|
s->mv[1][0][1] = best_s.mv[1][0][1];
|
|
|
|
qpi = s->pict_type == AV_PICTURE_TYPE_B ? 2 : 0;
|
|
for(; qpi<4; qpi++){
|
|
int dquant= dquant_tab[qpi];
|
|
qp= last_qp + dquant;
|
|
if(qp < s->avctx->qmin || qp > s->avctx->qmax)
|
|
continue;
|
|
backup_s.dquant= dquant;
|
|
if(storecoefs){
|
|
for(i=0; i<6; i++){
|
|
dc[i]= s->dc_val[0][ s->block_index[i] ];
|
|
memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(int16_t)*16);
|
|
}
|
|
}
|
|
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
|
|
if(best_s.qscale != qp){
|
|
if(storecoefs){
|
|
for(i=0; i<6; i++){
|
|
s->dc_val[0][ s->block_index[i] ]= dc[i];
|
|
memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(int16_t)*16);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
|
|
int mx= s->b_direct_mv_table[xy][0];
|
|
int my= s->b_direct_mv_table[xy][1];
|
|
|
|
backup_s.dquant = 0;
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
|
|
s->mb_intra= 0;
|
|
ff_mpeg4_set_direct_mv(s, mx, my);
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, mx, my);
|
|
}
|
|
if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
|
|
backup_s.dquant = 0;
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
|
|
s->mb_intra= 0;
|
|
ff_mpeg4_set_direct_mv(s, 0, 0);
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, 0, 0);
|
|
}
|
|
if (!best_s.mb_intra && s->mpv_flags & FF_MPV_FLAG_SKIP_RD) {
|
|
int coded=0;
|
|
for(i=0; i<6; i++)
|
|
coded |= s->block_last_index[i];
|
|
if(coded){
|
|
int mx,my;
|
|
memcpy(s->mv, best_s.mv, sizeof(s->mv));
|
|
if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
|
|
mx=my=0; //FIXME find the one we actually used
|
|
ff_mpeg4_set_direct_mv(s, mx, my);
|
|
}else if(best_s.mv_dir&MV_DIR_BACKWARD){
|
|
mx= s->mv[1][0][0];
|
|
my= s->mv[1][0][1];
|
|
}else{
|
|
mx= s->mv[0][0][0];
|
|
my= s->mv[0][0][1];
|
|
}
|
|
|
|
s->mv_dir= best_s.mv_dir;
|
|
s->mv_type = best_s.mv_type;
|
|
s->mb_intra= 0;
|
|
/* s->mv[0][0][0] = best_s.mv[0][0][0];
|
|
s->mv[0][0][1] = best_s.mv[0][0][1];
|
|
s->mv[1][0][0] = best_s.mv[1][0][0];
|
|
s->mv[1][0][1] = best_s.mv[1][0][1];*/
|
|
backup_s.dquant= 0;
|
|
s->skipdct=1;
|
|
encode_mb_hq(s, &backup_s, &best_s, pb, pb2, tex_pb,
|
|
&dmin, &next_block, mx, my);
|
|
s->skipdct=0;
|
|
}
|
|
}
|
|
|
|
s->current_picture.qscale_table[xy] = best_s.qscale;
|
|
|
|
copy_context_after_encode(s, &best_s);
|
|
|
|
pb_bits_count= put_bits_count(&s->pb);
|
|
flush_put_bits(&s->pb);
|
|
ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
|
|
s->pb= backup_s.pb;
|
|
|
|
if(s->data_partitioning){
|
|
pb2_bits_count= put_bits_count(&s->pb2);
|
|
flush_put_bits(&s->pb2);
|
|
ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
|
|
s->pb2= backup_s.pb2;
|
|
|
|
tex_pb_bits_count= put_bits_count(&s->tex_pb);
|
|
flush_put_bits(&s->tex_pb);
|
|
ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
|
|
s->tex_pb= backup_s.tex_pb;
|
|
}
|
|
s->last_bits= put_bits_count(&s->pb);
|
|
|
|
if (CONFIG_H263_ENCODER &&
|
|
s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
|
|
ff_h263_update_motion_val(s);
|
|
|
|
if(next_block==0){ //FIXME 16 vs linesize16
|
|
s->hdsp.put_pixels_tab[0][0](s->dest[0], s->sc.rd_scratchpad , s->linesize ,16);
|
|
s->hdsp.put_pixels_tab[1][0](s->dest[1], s->sc.rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
|
|
s->hdsp.put_pixels_tab[1][0](s->dest[2], s->sc.rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
|
|
}
|
|
|
|
if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
|
|
ff_mpv_reconstruct_mb(s, s->block);
|
|
} else {
|
|
int motion_x = 0, motion_y = 0;
|
|
s->mv_type=MV_TYPE_16X16;
|
|
// only one MB-Type possible
|
|
|
|
switch(mb_type){
|
|
case CANDIDATE_MB_TYPE_INTRA:
|
|
s->mv_dir = 0;
|
|
s->mb_intra= 1;
|
|
motion_x= s->mv[0][0][0] = 0;
|
|
motion_y= s->mv[0][0][1] = 0;
|
|
break;
|
|
case CANDIDATE_MB_TYPE_INTER:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mb_intra= 0;
|
|
motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
|
|
motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
|
|
break;
|
|
case CANDIDATE_MB_TYPE_INTER_I:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[0][i] = s->p_field_select_table[i][xy];
|
|
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
|
|
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
|
|
}
|
|
break;
|
|
case CANDIDATE_MB_TYPE_INTER4V:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_8X8;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<4; i++){
|
|
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
|
|
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
|
|
}
|
|
break;
|
|
case CANDIDATE_MB_TYPE_DIRECT:
|
|
if (CONFIG_MPEG4_ENCODER) {
|
|
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
|
|
s->mb_intra= 0;
|
|
motion_x=s->b_direct_mv_table[xy][0];
|
|
motion_y=s->b_direct_mv_table[xy][1];
|
|
ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
|
|
}
|
|
break;
|
|
case CANDIDATE_MB_TYPE_DIRECT0:
|
|
if (CONFIG_MPEG4_ENCODER) {
|
|
s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
|
|
s->mb_intra= 0;
|
|
ff_mpeg4_set_direct_mv(s, 0, 0);
|
|
}
|
|
break;
|
|
case CANDIDATE_MB_TYPE_BIDIR:
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
|
|
s->mb_intra= 0;
|
|
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
|
|
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
|
|
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
|
|
s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
|
|
break;
|
|
case CANDIDATE_MB_TYPE_BACKWARD:
|
|
s->mv_dir = MV_DIR_BACKWARD;
|
|
s->mb_intra= 0;
|
|
motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
|
|
motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
|
|
break;
|
|
case CANDIDATE_MB_TYPE_FORWARD:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mb_intra= 0;
|
|
motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
|
|
motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
|
|
break;
|
|
case CANDIDATE_MB_TYPE_FORWARD_I:
|
|
s->mv_dir = MV_DIR_FORWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
|
|
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
|
|
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
|
|
}
|
|
break;
|
|
case CANDIDATE_MB_TYPE_BACKWARD_I:
|
|
s->mv_dir = MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
|
|
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
|
|
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
|
|
}
|
|
break;
|
|
case CANDIDATE_MB_TYPE_BIDIR_I:
|
|
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
|
|
s->mv_type = MV_TYPE_FIELD;
|
|
s->mb_intra= 0;
|
|
for(dir=0; dir<2; dir++){
|
|
for(i=0; i<2; i++){
|
|
j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
|
|
s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
|
|
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
|
|
}
|
|
|
|
encode_mb(s, motion_x, motion_y);
|
|
|
|
// RAL: Update last macroblock type
|
|
s->last_mv_dir = s->mv_dir;
|
|
|
|
if (CONFIG_H263_ENCODER &&
|
|
s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
|
|
ff_h263_update_motion_val(s);
|
|
|
|
ff_mpv_reconstruct_mb(s, s->block);
|
|
}
|
|
|
|
/* clean the MV table in IPS frames for direct mode in B-frames */
|
|
if(s->mb_intra /* && I,P,S_TYPE */){
|
|
s->p_mv_table[xy][0]=0;
|
|
s->p_mv_table[xy][1]=0;
|
|
}
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_PSNR) {
|
|
int w= 16;
|
|
int h= 16;
|
|
|
|
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
|
|
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
|
|
|
|
s->encoding_error[0] += sse(
|
|
s, s->new_picture->data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
|
|
s->dest[0], w, h, s->linesize);
|
|
s->encoding_error[1] += sse(
|
|
s, s->new_picture->data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
|
|
s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
|
|
s->encoding_error[2] += sse(
|
|
s, s->new_picture->data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
|
|
s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
|
|
}
|
|
if(s->loop_filter){
|
|
if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
|
|
ff_h263_loop_filter(s);
|
|
}
|
|
ff_dlog(s->avctx, "MB %d %d bits\n",
|
|
s->mb_x + s->mb_y * s->mb_stride, put_bits_count(&s->pb));
|
|
}
|
|
}
|
|
|
|
//not beautiful here but we must write it before flushing so it has to be here
|
|
if (CONFIG_MSMPEG4ENC && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == AV_PICTURE_TYPE_I)
|
|
ff_msmpeg4_encode_ext_header(s);
|
|
|
|
write_slice_end(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define MERGE(field) dst->field += src->field; src->field=0
|
|
static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
|
|
MERGE(me.scene_change_score);
|
|
MERGE(me.mc_mb_var_sum_temp);
|
|
MERGE(me.mb_var_sum_temp);
|
|
}
|
|
|
|
static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
|
|
int i;
|
|
|
|
MERGE(dct_count[0]); //note, the other dct vars are not part of the context
|
|
MERGE(dct_count[1]);
|
|
MERGE(mv_bits);
|
|
MERGE(i_tex_bits);
|
|
MERGE(p_tex_bits);
|
|
MERGE(i_count);
|
|
MERGE(skip_count);
|
|
MERGE(misc_bits);
|
|
MERGE(encoding_error[0]);
|
|
MERGE(encoding_error[1]);
|
|
MERGE(encoding_error[2]);
|
|
|
|
if (dst->noise_reduction){
|
|
for(i=0; i<64; i++){
|
|
MERGE(dct_error_sum[0][i]);
|
|
MERGE(dct_error_sum[1][i]);
|
|
}
|
|
}
|
|
|
|
av_assert1(put_bits_count(&src->pb) % 8 ==0);
|
|
av_assert1(put_bits_count(&dst->pb) % 8 ==0);
|
|
ff_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
|
|
flush_put_bits(&dst->pb);
|
|
}
|
|
|
|
static int estimate_qp(MpegEncContext *s, int dry_run){
|
|
if (s->next_lambda){
|
|
s->current_picture_ptr->f->quality =
|
|
s->current_picture.f->quality = s->next_lambda;
|
|
if(!dry_run) s->next_lambda= 0;
|
|
} else if (!s->fixed_qscale) {
|
|
int quality = ff_rate_estimate_qscale(s, dry_run);
|
|
s->current_picture_ptr->f->quality =
|
|
s->current_picture.f->quality = quality;
|
|
if (s->current_picture.f->quality < 0)
|
|
return -1;
|
|
}
|
|
|
|
if(s->adaptive_quant){
|
|
switch(s->codec_id){
|
|
case AV_CODEC_ID_MPEG4:
|
|
if (CONFIG_MPEG4_ENCODER)
|
|
ff_clean_mpeg4_qscales(s);
|
|
break;
|
|
case AV_CODEC_ID_H263:
|
|
case AV_CODEC_ID_H263P:
|
|
case AV_CODEC_ID_FLV1:
|
|
if (CONFIG_H263_ENCODER)
|
|
ff_clean_h263_qscales(s);
|
|
break;
|
|
default:
|
|
ff_init_qscale_tab(s);
|
|
}
|
|
|
|
s->lambda= s->lambda_table[0];
|
|
//FIXME broken
|
|
}else
|
|
s->lambda = s->current_picture.f->quality;
|
|
update_qscale(s);
|
|
return 0;
|
|
}
|
|
|
|
/* must be called before writing the header */
|
|
static void set_frame_distances(MpegEncContext * s){
|
|
av_assert1(s->current_picture_ptr->f->pts != AV_NOPTS_VALUE);
|
|
s->time = s->current_picture_ptr->f->pts * s->avctx->time_base.num;
|
|
|
|
if(s->pict_type==AV_PICTURE_TYPE_B){
|
|
s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
|
|
av_assert1(s->pb_time > 0 && s->pb_time < s->pp_time);
|
|
}else{
|
|
s->pp_time= s->time - s->last_non_b_time;
|
|
s->last_non_b_time= s->time;
|
|
av_assert1(s->picture_number==0 || s->pp_time > 0);
|
|
}
|
|
}
|
|
|
|
static int encode_picture(MpegEncContext *s, int picture_number)
|
|
{
|
|
int i, ret;
|
|
int bits;
|
|
int context_count = s->slice_context_count;
|
|
|
|
s->picture_number = picture_number;
|
|
|
|
/* Reset the average MB variance */
|
|
s->me.mb_var_sum_temp =
|
|
s->me.mc_mb_var_sum_temp = 0;
|
|
|
|
/* we need to initialize some time vars before we can encode B-frames */
|
|
// RAL: Condition added for MPEG1VIDEO
|
|
if (s->out_format == FMT_MPEG1 || (s->h263_pred && !s->msmpeg4_version))
|
|
set_frame_distances(s);
|
|
if(CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4)
|
|
ff_set_mpeg4_time(s);
|
|
|
|
s->me.scene_change_score=0;
|
|
|
|
// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
|
|
|
|
if(s->pict_type==AV_PICTURE_TYPE_I){
|
|
if(s->msmpeg4_version >= 3) s->no_rounding=1;
|
|
else s->no_rounding=0;
|
|
}else if(s->pict_type!=AV_PICTURE_TYPE_B){
|
|
if(s->flipflop_rounding || s->codec_id == AV_CODEC_ID_H263P || s->codec_id == AV_CODEC_ID_MPEG4)
|
|
s->no_rounding ^= 1;
|
|
}
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_PASS2) {
|
|
if (estimate_qp(s,1) < 0)
|
|
return -1;
|
|
ff_get_2pass_fcode(s);
|
|
} else if (!(s->avctx->flags & AV_CODEC_FLAG_QSCALE)) {
|
|
if(s->pict_type==AV_PICTURE_TYPE_B)
|
|
s->lambda= s->last_lambda_for[s->pict_type];
|
|
else
|
|
s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
|
|
update_qscale(s);
|
|
}
|
|
|
|
if (s->out_format != FMT_MJPEG) {
|
|
if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
|
|
if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
|
|
s->q_chroma_intra_matrix = s->q_intra_matrix;
|
|
s->q_chroma_intra_matrix16 = s->q_intra_matrix16;
|
|
}
|
|
|
|
s->mb_intra=0; //for the rate distortion & bit compare functions
|
|
for(i=1; i<context_count; i++){
|
|
ret = ff_update_duplicate_context(s->thread_context[i], s);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
if(ff_init_me(s)<0)
|
|
return -1;
|
|
|
|
/* Estimate motion for every MB */
|
|
if(s->pict_type != AV_PICTURE_TYPE_I){
|
|
s->lambda = (s->lambda * s->me_penalty_compensation + 128) >> 8;
|
|
s->lambda2 = (s->lambda2 * (int64_t) s->me_penalty_compensation + 128) >> 8;
|
|
if (s->pict_type != AV_PICTURE_TYPE_B) {
|
|
if ((s->me_pre && s->last_non_b_pict_type == AV_PICTURE_TYPE_I) ||
|
|
s->me_pre == 2) {
|
|
s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
|
|
}
|
|
}
|
|
|
|
s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
|
|
}else /* if(s->pict_type == AV_PICTURE_TYPE_I) */{
|
|
/* I-Frame */
|
|
for(i=0; i<s->mb_stride*s->mb_height; i++)
|
|
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
|
|
|
|
if(!s->fixed_qscale){
|
|
/* finding spatial complexity for I-frame rate control */
|
|
s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
|
|
}
|
|
}
|
|
for(i=1; i<context_count; i++){
|
|
merge_context_after_me(s, s->thread_context[i]);
|
|
}
|
|
s->mc_mb_var_sum = s->me.mc_mb_var_sum_temp;
|
|
s->mb_var_sum = s->me. mb_var_sum_temp;
|
|
emms_c();
|
|
|
|
if (s->me.scene_change_score > s->scenechange_threshold &&
|
|
s->pict_type == AV_PICTURE_TYPE_P) {
|
|
s->pict_type= AV_PICTURE_TYPE_I;
|
|
for(i=0; i<s->mb_stride*s->mb_height; i++)
|
|
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
|
|
if(s->msmpeg4_version >= 3)
|
|
s->no_rounding=1;
|
|
ff_dlog(s, "Scene change detected, encoding as I Frame %"PRId64" %"PRId64"\n",
|
|
s->mb_var_sum, s->mc_mb_var_sum);
|
|
}
|
|
|
|
if(!s->umvplus){
|
|
if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
|
|
s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
|
|
|
|
if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
|
|
int a,b;
|
|
a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
|
|
b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
|
|
s->f_code= FFMAX3(s->f_code, a, b);
|
|
}
|
|
|
|
ff_fix_long_p_mvs(s, s->intra_penalty ? CANDIDATE_MB_TYPE_INTER : CANDIDATE_MB_TYPE_INTRA);
|
|
ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, !!s->intra_penalty);
|
|
if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
|
|
int j;
|
|
for(i=0; i<2; i++){
|
|
for(j=0; j<2; j++)
|
|
ff_fix_long_mvs(s, s->p_field_select_table[i], j,
|
|
s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, !!s->intra_penalty);
|
|
}
|
|
}
|
|
} else if (s->pict_type == AV_PICTURE_TYPE_B) {
|
|
int a, b;
|
|
|
|
a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
|
|
b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
|
|
s->f_code = FFMAX(a, b);
|
|
|
|
a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
|
|
b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
|
|
s->b_code = FFMAX(a, b);
|
|
|
|
ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
|
|
ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
|
|
ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
|
|
ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
|
|
if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
|
|
int dir, j;
|
|
for(dir=0; dir<2; dir++){
|
|
for(i=0; i<2; i++){
|
|
for(j=0; j<2; j++){
|
|
int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
|
|
: (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
|
|
ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
|
|
s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (estimate_qp(s, 0) < 0)
|
|
return -1;
|
|
|
|
if (s->qscale < 3 && s->max_qcoeff <= 128 &&
|
|
s->pict_type == AV_PICTURE_TYPE_I &&
|
|
!(s->avctx->flags & AV_CODEC_FLAG_QSCALE))
|
|
s->qscale= 3; //reduce clipping problems
|
|
|
|
if (s->out_format == FMT_MJPEG) {
|
|
const uint16_t * luma_matrix = ff_mpeg1_default_intra_matrix;
|
|
const uint16_t *chroma_matrix = ff_mpeg1_default_intra_matrix;
|
|
|
|
if (s->avctx->intra_matrix) {
|
|
chroma_matrix =
|
|
luma_matrix = s->avctx->intra_matrix;
|
|
}
|
|
if (s->avctx->chroma_intra_matrix)
|
|
chroma_matrix = s->avctx->chroma_intra_matrix;
|
|
|
|
/* for mjpeg, we do include qscale in the matrix */
|
|
for(i=1;i<64;i++){
|
|
int j = s->idsp.idct_permutation[i];
|
|
|
|
s->chroma_intra_matrix[j] = av_clip_uint8((chroma_matrix[i] * s->qscale) >> 3);
|
|
s-> intra_matrix[j] = av_clip_uint8(( luma_matrix[i] * s->qscale) >> 3);
|
|
}
|
|
s->y_dc_scale_table=
|
|
s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
|
|
s->chroma_intra_matrix[0] =
|
|
s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8];
|
|
ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16,
|
|
s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
|
|
ff_convert_matrix(s, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16,
|
|
s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1);
|
|
s->qscale= 8;
|
|
|
|
if (s->codec_id == AV_CODEC_ID_AMV) {
|
|
static const uint8_t y[32] = {13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13};
|
|
static const uint8_t c[32] = {14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14};
|
|
for (int i = 1; i < 64; i++) {
|
|
int j = s->idsp.idct_permutation[ff_zigzag_direct[i]];
|
|
|
|
s->intra_matrix[j] = sp5x_qscale_five_quant_table[0][i];
|
|
s->chroma_intra_matrix[j] = sp5x_qscale_five_quant_table[1][i];
|
|
}
|
|
s->y_dc_scale_table = y;
|
|
s->c_dc_scale_table = c;
|
|
s->intra_matrix[0] = 13;
|
|
s->chroma_intra_matrix[0] = 14;
|
|
ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16,
|
|
s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
|
|
ff_convert_matrix(s, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16,
|
|
s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1);
|
|
s->qscale = 8;
|
|
}
|
|
}
|
|
|
|
//FIXME var duplication
|
|
s->current_picture_ptr->f->key_frame =
|
|
s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; //FIXME pic_ptr
|
|
s->current_picture_ptr->f->pict_type =
|
|
s->current_picture.f->pict_type = s->pict_type;
|
|
|
|
if (s->current_picture.f->key_frame)
|
|
s->picture_in_gop_number=0;
|
|
|
|
s->mb_x = s->mb_y = 0;
|
|
s->last_bits= put_bits_count(&s->pb);
|
|
switch(s->out_format) {
|
|
#if CONFIG_MJPEG_ENCODER || CONFIG_AMV_ENCODER
|
|
case FMT_MJPEG:
|
|
ff_mjpeg_amv_encode_picture_header(s);
|
|
break;
|
|
#endif
|
|
case FMT_SPEEDHQ:
|
|
if (CONFIG_SPEEDHQ_ENCODER)
|
|
ff_speedhq_encode_picture_header(s);
|
|
break;
|
|
case FMT_H261:
|
|
if (CONFIG_H261_ENCODER)
|
|
ff_h261_encode_picture_header(s, picture_number);
|
|
break;
|
|
case FMT_H263:
|
|
if (CONFIG_WMV2_ENCODER && s->codec_id == AV_CODEC_ID_WMV2)
|
|
ff_wmv2_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_MSMPEG4ENC && s->msmpeg4_version)
|
|
ff_msmpeg4_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_MPEG4_ENCODER && s->h263_pred) {
|
|
ret = ff_mpeg4_encode_picture_header(s, picture_number);
|
|
if (ret < 0)
|
|
return ret;
|
|
} else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10) {
|
|
ret = ff_rv10_encode_picture_header(s, picture_number);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
else if (CONFIG_RV20_ENCODER && s->codec_id == AV_CODEC_ID_RV20)
|
|
ff_rv20_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_FLV_ENCODER && s->codec_id == AV_CODEC_ID_FLV1)
|
|
ff_flv_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_H263_ENCODER)
|
|
ff_h263_encode_picture_header(s, picture_number);
|
|
break;
|
|
case FMT_MPEG1:
|
|
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
|
ff_mpeg1_encode_picture_header(s, picture_number);
|
|
break;
|
|
default:
|
|
av_assert0(0);
|
|
}
|
|
bits= put_bits_count(&s->pb);
|
|
s->header_bits= bits - s->last_bits;
|
|
|
|
for(i=1; i<context_count; i++){
|
|
update_duplicate_context_after_me(s->thread_context[i], s);
|
|
}
|
|
s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
|
|
for(i=1; i<context_count; i++){
|
|
if (s->pb.buf_end == s->thread_context[i]->pb.buf)
|
|
set_put_bits_buffer_size(&s->pb, FFMIN(s->thread_context[i]->pb.buf_end - s->pb.buf, INT_MAX/8-BUF_BITS));
|
|
merge_context_after_encode(s, s->thread_context[i]);
|
|
}
|
|
emms_c();
|
|
return 0;
|
|
}
|
|
|
|
static void denoise_dct_c(MpegEncContext *s, int16_t *block){
|
|
const int intra= s->mb_intra;
|
|
int i;
|
|
|
|
s->dct_count[intra]++;
|
|
|
|
for(i=0; i<64; i++){
|
|
int level= block[i];
|
|
|
|
if(level){
|
|
if(level>0){
|
|
s->dct_error_sum[intra][i] += level;
|
|
level -= s->dct_offset[intra][i];
|
|
if(level<0) level=0;
|
|
}else{
|
|
s->dct_error_sum[intra][i] -= level;
|
|
level += s->dct_offset[intra][i];
|
|
if(level>0) level=0;
|
|
}
|
|
block[i]= level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int dct_quantize_trellis_c(MpegEncContext *s,
|
|
int16_t *block, int n,
|
|
int qscale, int *overflow){
|
|
const int *qmat;
|
|
const uint16_t *matrix;
|
|
const uint8_t *scantable;
|
|
const uint8_t *perm_scantable;
|
|
int max=0;
|
|
unsigned int threshold1, threshold2;
|
|
int bias=0;
|
|
int run_tab[65];
|
|
int level_tab[65];
|
|
int score_tab[65];
|
|
int survivor[65];
|
|
int survivor_count;
|
|
int last_run=0;
|
|
int last_level=0;
|
|
int last_score= 0;
|
|
int last_i;
|
|
int coeff[2][64];
|
|
int coeff_count[64];
|
|
int qmul, qadd, start_i, last_non_zero, i, dc;
|
|
const int esc_length= s->ac_esc_length;
|
|
uint8_t * length;
|
|
uint8_t * last_length;
|
|
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
|
|
int mpeg2_qscale;
|
|
|
|
s->fdsp.fdct(block);
|
|
|
|
if(s->dct_error_sum)
|
|
s->denoise_dct(s, block);
|
|
qmul= qscale*16;
|
|
qadd= ((qscale-1)|1)*8;
|
|
|
|
if (s->q_scale_type) mpeg2_qscale = ff_mpeg2_non_linear_qscale[qscale];
|
|
else mpeg2_qscale = qscale << 1;
|
|
|
|
if (s->mb_intra) {
|
|
int q;
|
|
scantable= s->intra_scantable.scantable;
|
|
perm_scantable= s->intra_scantable.permutated;
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
q = s->y_dc_scale;
|
|
else
|
|
q = s->c_dc_scale;
|
|
q = q << 3;
|
|
} else{
|
|
/* For AIC we skip quant/dequant of INTRADC */
|
|
q = 1 << 3;
|
|
qadd=0;
|
|
}
|
|
|
|
/* note: block[0] is assumed to be positive */
|
|
block[0] = (block[0] + (q >> 1)) / q;
|
|
start_i = 1;
|
|
last_non_zero = 0;
|
|
qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
|
|
matrix = n < 4 ? s->intra_matrix : s->chroma_intra_matrix;
|
|
if(s->mpeg_quant || s->out_format == FMT_MPEG1 || s->out_format == FMT_MJPEG)
|
|
bias= 1<<(QMAT_SHIFT-1);
|
|
|
|
if (n > 3 && s->intra_chroma_ac_vlc_length) {
|
|
length = s->intra_chroma_ac_vlc_length;
|
|
last_length= s->intra_chroma_ac_vlc_last_length;
|
|
} else {
|
|
length = s->intra_ac_vlc_length;
|
|
last_length= s->intra_ac_vlc_last_length;
|
|
}
|
|
} else {
|
|
scantable= s->inter_scantable.scantable;
|
|
perm_scantable= s->inter_scantable.permutated;
|
|
start_i = 0;
|
|
last_non_zero = -1;
|
|
qmat = s->q_inter_matrix[qscale];
|
|
matrix = s->inter_matrix;
|
|
length = s->inter_ac_vlc_length;
|
|
last_length= s->inter_ac_vlc_last_length;
|
|
}
|
|
last_i= start_i;
|
|
|
|
threshold1= (1<<QMAT_SHIFT) - bias - 1;
|
|
threshold2= (threshold1<<1);
|
|
|
|
for(i=63; i>=start_i; i--) {
|
|
const int j = scantable[i];
|
|
int level = block[j] * qmat[j];
|
|
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
last_non_zero = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(i=start_i; i<=last_non_zero; i++) {
|
|
const int j = scantable[i];
|
|
int level = block[j] * qmat[j];
|
|
|
|
// if( bias+level >= (1<<(QMAT_SHIFT - 3))
|
|
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
if(level>0){
|
|
level= (bias + level)>>QMAT_SHIFT;
|
|
coeff[0][i]= level;
|
|
coeff[1][i]= level-1;
|
|
// coeff[2][k]= level-2;
|
|
}else{
|
|
level= (bias - level)>>QMAT_SHIFT;
|
|
coeff[0][i]= -level;
|
|
coeff[1][i]= -level+1;
|
|
// coeff[2][k]= -level+2;
|
|
}
|
|
coeff_count[i]= FFMIN(level, 2);
|
|
av_assert2(coeff_count[i]);
|
|
max |=level;
|
|
}else{
|
|
coeff[0][i]= (level>>31)|1;
|
|
coeff_count[i]= 1;
|
|
}
|
|
}
|
|
|
|
*overflow= s->max_qcoeff < max; //overflow might have happened
|
|
|
|
if(last_non_zero < start_i){
|
|
memset(block + start_i, 0, (64-start_i)*sizeof(int16_t));
|
|
return last_non_zero;
|
|
}
|
|
|
|
score_tab[start_i]= 0;
|
|
survivor[0]= start_i;
|
|
survivor_count= 1;
|
|
|
|
for(i=start_i; i<=last_non_zero; i++){
|
|
int level_index, j, zero_distortion;
|
|
int dct_coeff= FFABS(block[ scantable[i] ]);
|
|
int best_score=256*256*256*120;
|
|
|
|
if (s->fdsp.fdct == ff_fdct_ifast)
|
|
dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
|
|
zero_distortion= dct_coeff*dct_coeff;
|
|
|
|
for(level_index=0; level_index < coeff_count[i]; level_index++){
|
|
int distortion;
|
|
int level= coeff[level_index][i];
|
|
const int alevel= FFABS(level);
|
|
int unquant_coeff;
|
|
|
|
av_assert2(level);
|
|
|
|
if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
|
|
unquant_coeff= alevel*qmul + qadd;
|
|
} else if(s->out_format == FMT_MJPEG) {
|
|
j = s->idsp.idct_permutation[scantable[i]];
|
|
unquant_coeff = alevel * matrix[j] * 8;
|
|
}else{ // MPEG-1
|
|
j = s->idsp.idct_permutation[scantable[i]]; // FIXME: optimize
|
|
if(s->mb_intra){
|
|
unquant_coeff = (int)( alevel * mpeg2_qscale * matrix[j]) >> 4;
|
|
unquant_coeff = (unquant_coeff - 1) | 1;
|
|
}else{
|
|
unquant_coeff = ((( alevel << 1) + 1) * mpeg2_qscale * ((int) matrix[j])) >> 5;
|
|
unquant_coeff = (unquant_coeff - 1) | 1;
|
|
}
|
|
unquant_coeff<<= 3;
|
|
}
|
|
|
|
distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
|
|
level+=64;
|
|
if((level&(~127)) == 0){
|
|
for(j=survivor_count-1; j>=0; j--){
|
|
int run= i - survivor[j];
|
|
int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
|
|
score += score_tab[i-run];
|
|
|
|
if(score < best_score){
|
|
best_score= score;
|
|
run_tab[i+1]= run;
|
|
level_tab[i+1]= level-64;
|
|
}
|
|
}
|
|
|
|
if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
|
|
for(j=survivor_count-1; j>=0; j--){
|
|
int run= i - survivor[j];
|
|
int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
|
|
score += score_tab[i-run];
|
|
if(score < last_score){
|
|
last_score= score;
|
|
last_run= run;
|
|
last_level= level-64;
|
|
last_i= i+1;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
distortion += esc_length*lambda;
|
|
for(j=survivor_count-1; j>=0; j--){
|
|
int run= i - survivor[j];
|
|
int score= distortion + score_tab[i-run];
|
|
|
|
if(score < best_score){
|
|
best_score= score;
|
|
run_tab[i+1]= run;
|
|
level_tab[i+1]= level-64;
|
|
}
|
|
}
|
|
|
|
if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
|
|
for(j=survivor_count-1; j>=0; j--){
|
|
int run= i - survivor[j];
|
|
int score= distortion + score_tab[i-run];
|
|
if(score < last_score){
|
|
last_score= score;
|
|
last_run= run;
|
|
last_level= level-64;
|
|
last_i= i+1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
score_tab[i+1]= best_score;
|
|
|
|
// Note: there is a vlc code in MPEG-4 which is 1 bit shorter then another one with a shorter run and the same level
|
|
if(last_non_zero <= 27){
|
|
for(; survivor_count; survivor_count--){
|
|
if(score_tab[ survivor[survivor_count-1] ] <= best_score)
|
|
break;
|
|
}
|
|
}else{
|
|
for(; survivor_count; survivor_count--){
|
|
if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
|
|
break;
|
|
}
|
|
}
|
|
|
|
survivor[ survivor_count++ ]= i+1;
|
|
}
|
|
|
|
if(s->out_format != FMT_H263 && s->out_format != FMT_H261){
|
|
last_score= 256*256*256*120;
|
|
for(i= survivor[0]; i<=last_non_zero + 1; i++){
|
|
int score= score_tab[i];
|
|
if (i)
|
|
score += lambda * 2; // FIXME more exact?
|
|
|
|
if(score < last_score){
|
|
last_score= score;
|
|
last_i= i;
|
|
last_level= level_tab[i];
|
|
last_run= run_tab[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
s->coded_score[n] = last_score;
|
|
|
|
dc= FFABS(block[0]);
|
|
last_non_zero= last_i - 1;
|
|
memset(block + start_i, 0, (64-start_i)*sizeof(int16_t));
|
|
|
|
if(last_non_zero < start_i)
|
|
return last_non_zero;
|
|
|
|
if(last_non_zero == 0 && start_i == 0){
|
|
int best_level= 0;
|
|
int best_score= dc * dc;
|
|
|
|
for(i=0; i<coeff_count[0]; i++){
|
|
int level= coeff[i][0];
|
|
int alevel= FFABS(level);
|
|
int unquant_coeff, score, distortion;
|
|
|
|
if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
|
|
unquant_coeff= (alevel*qmul + qadd)>>3;
|
|
} else{ // MPEG-1
|
|
unquant_coeff = ((( alevel << 1) + 1) * mpeg2_qscale * ((int) matrix[0])) >> 5;
|
|
unquant_coeff = (unquant_coeff - 1) | 1;
|
|
}
|
|
unquant_coeff = (unquant_coeff + 4) >> 3;
|
|
unquant_coeff<<= 3 + 3;
|
|
|
|
distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
|
|
level+=64;
|
|
if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
|
|
else score= distortion + esc_length*lambda;
|
|
|
|
if(score < best_score){
|
|
best_score= score;
|
|
best_level= level - 64;
|
|
}
|
|
}
|
|
block[0]= best_level;
|
|
s->coded_score[n] = best_score - dc*dc;
|
|
if(best_level == 0) return -1;
|
|
else return last_non_zero;
|
|
}
|
|
|
|
i= last_i;
|
|
av_assert2(last_level);
|
|
|
|
block[ perm_scantable[last_non_zero] ]= last_level;
|
|
i -= last_run + 1;
|
|
|
|
for(; i>start_i; i -= run_tab[i] + 1){
|
|
block[ perm_scantable[i-1] ]= level_tab[i];
|
|
}
|
|
|
|
return last_non_zero;
|
|
}
|
|
|
|
static int16_t basis[64][64];
|
|
|
|
static void build_basis(uint8_t *perm){
|
|
int i, j, x, y;
|
|
emms_c();
|
|
for(i=0; i<8; i++){
|
|
for(j=0; j<8; j++){
|
|
for(y=0; y<8; y++){
|
|
for(x=0; x<8; x++){
|
|
double s= 0.25*(1<<BASIS_SHIFT);
|
|
int index= 8*i + j;
|
|
int perm_index= perm[index];
|
|
if(i==0) s*= sqrt(0.5);
|
|
if(j==0) s*= sqrt(0.5);
|
|
basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
|
|
int16_t *block, int16_t *weight, int16_t *orig,
|
|
int n, int qscale){
|
|
int16_t rem[64];
|
|
LOCAL_ALIGNED_16(int16_t, d1, [64]);
|
|
const uint8_t *scantable;
|
|
const uint8_t *perm_scantable;
|
|
// unsigned int threshold1, threshold2;
|
|
// int bias=0;
|
|
int run_tab[65];
|
|
int prev_run=0;
|
|
int prev_level=0;
|
|
int qmul, qadd, start_i, last_non_zero, i, dc;
|
|
uint8_t * length;
|
|
uint8_t * last_length;
|
|
int lambda;
|
|
int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
|
|
|
|
if(basis[0][0] == 0)
|
|
build_basis(s->idsp.idct_permutation);
|
|
|
|
qmul= qscale*2;
|
|
qadd= (qscale-1)|1;
|
|
if (s->mb_intra) {
|
|
scantable= s->intra_scantable.scantable;
|
|
perm_scantable= s->intra_scantable.permutated;
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
q = s->y_dc_scale;
|
|
else
|
|
q = s->c_dc_scale;
|
|
} else{
|
|
/* For AIC we skip quant/dequant of INTRADC */
|
|
q = 1;
|
|
qadd=0;
|
|
}
|
|
q <<= RECON_SHIFT-3;
|
|
/* note: block[0] is assumed to be positive */
|
|
dc= block[0]*q;
|
|
// block[0] = (block[0] + (q >> 1)) / q;
|
|
start_i = 1;
|
|
// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
|
|
// bias= 1<<(QMAT_SHIFT-1);
|
|
if (n > 3 && s->intra_chroma_ac_vlc_length) {
|
|
length = s->intra_chroma_ac_vlc_length;
|
|
last_length= s->intra_chroma_ac_vlc_last_length;
|
|
} else {
|
|
length = s->intra_ac_vlc_length;
|
|
last_length= s->intra_ac_vlc_last_length;
|
|
}
|
|
} else {
|
|
scantable= s->inter_scantable.scantable;
|
|
perm_scantable= s->inter_scantable.permutated;
|
|
dc= 0;
|
|
start_i = 0;
|
|
length = s->inter_ac_vlc_length;
|
|
last_length= s->inter_ac_vlc_last_length;
|
|
}
|
|
last_non_zero = s->block_last_index[n];
|
|
|
|
dc += (1<<(RECON_SHIFT-1));
|
|
for(i=0; i<64; i++){
|
|
rem[i] = dc - (orig[i] << RECON_SHIFT); // FIXME use orig directly instead of copying to rem[]
|
|
}
|
|
|
|
sum=0;
|
|
for(i=0; i<64; i++){
|
|
int one= 36;
|
|
int qns=4;
|
|
int w;
|
|
|
|
w= FFABS(weight[i]) + qns*one;
|
|
w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
|
|
|
|
weight[i] = w;
|
|
// w=weight[i] = (63*qns + (w/2)) / w;
|
|
|
|
av_assert2(w>0);
|
|
av_assert2(w<(1<<6));
|
|
sum += w*w;
|
|
}
|
|
lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
|
|
|
|
run=0;
|
|
rle_index=0;
|
|
for(i=start_i; i<=last_non_zero; i++){
|
|
int j= perm_scantable[i];
|
|
const int level= block[j];
|
|
int coeff;
|
|
|
|
if(level){
|
|
if(level<0) coeff= qmul*level - qadd;
|
|
else coeff= qmul*level + qadd;
|
|
run_tab[rle_index++]=run;
|
|
run=0;
|
|
|
|
s->mpvencdsp.add_8x8basis(rem, basis[j], coeff);
|
|
}else{
|
|
run++;
|
|
}
|
|
}
|
|
|
|
for(;;){
|
|
int best_score = s->mpvencdsp.try_8x8basis(rem, weight, basis[0], 0);
|
|
int best_coeff=0;
|
|
int best_change=0;
|
|
int run2, best_unquant_change=0, analyze_gradient;
|
|
analyze_gradient = last_non_zero > 2 || s->quantizer_noise_shaping >= 3;
|
|
|
|
if(analyze_gradient){
|
|
for(i=0; i<64; i++){
|
|
int w= weight[i];
|
|
|
|
d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
|
|
}
|
|
s->fdsp.fdct(d1);
|
|
}
|
|
|
|
if(start_i){
|
|
const int level= block[0];
|
|
int change, old_coeff;
|
|
|
|
av_assert2(s->mb_intra);
|
|
|
|
old_coeff= q*level;
|
|
|
|
for(change=-1; change<=1; change+=2){
|
|
int new_level= level + change;
|
|
int score, new_coeff;
|
|
|
|
new_coeff= q*new_level;
|
|
if(new_coeff >= 2048 || new_coeff < 0)
|
|
continue;
|
|
|
|
score = s->mpvencdsp.try_8x8basis(rem, weight, basis[0],
|
|
new_coeff - old_coeff);
|
|
if(score<best_score){
|
|
best_score= score;
|
|
best_coeff= 0;
|
|
best_change= change;
|
|
best_unquant_change= new_coeff - old_coeff;
|
|
}
|
|
}
|
|
}
|
|
|
|
run=0;
|
|
rle_index=0;
|
|
run2= run_tab[rle_index++];
|
|
prev_level=0;
|
|
prev_run=0;
|
|
|
|
for(i=start_i; i<64; i++){
|
|
int j= perm_scantable[i];
|
|
const int level= block[j];
|
|
int change, old_coeff;
|
|
|
|
if(s->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
|
|
break;
|
|
|
|
if(level){
|
|
if(level<0) old_coeff= qmul*level - qadd;
|
|
else old_coeff= qmul*level + qadd;
|
|
run2= run_tab[rle_index++]; //FIXME ! maybe after last
|
|
}else{
|
|
old_coeff=0;
|
|
run2--;
|
|
av_assert2(run2>=0 || i >= last_non_zero );
|
|
}
|
|
|
|
for(change=-1; change<=1; change+=2){
|
|
int new_level= level + change;
|
|
int score, new_coeff, unquant_change;
|
|
|
|
score=0;
|
|
if(s->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
|
|
continue;
|
|
|
|
if(new_level){
|
|
if(new_level<0) new_coeff= qmul*new_level - qadd;
|
|
else new_coeff= qmul*new_level + qadd;
|
|
if(new_coeff >= 2048 || new_coeff <= -2048)
|
|
continue;
|
|
//FIXME check for overflow
|
|
|
|
if(level){
|
|
if(level < 63 && level > -63){
|
|
if(i < last_non_zero)
|
|
score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
|
|
- length[UNI_AC_ENC_INDEX(run, level+64)];
|
|
else
|
|
score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
|
|
- last_length[UNI_AC_ENC_INDEX(run, level+64)];
|
|
}
|
|
}else{
|
|
av_assert2(FFABS(new_level)==1);
|
|
|
|
if(analyze_gradient){
|
|
int g= d1[ scantable[i] ];
|
|
if(g && (g^new_level) >= 0)
|
|
continue;
|
|
}
|
|
|
|
if(i < last_non_zero){
|
|
int next_i= i + run2 + 1;
|
|
int next_level= block[ perm_scantable[next_i] ] + 64;
|
|
|
|
if(next_level&(~127))
|
|
next_level= 0;
|
|
|
|
if(next_i < last_non_zero)
|
|
score += length[UNI_AC_ENC_INDEX(run, 65)]
|
|
+ length[UNI_AC_ENC_INDEX(run2, next_level)]
|
|
- length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
|
|
else
|
|
score += length[UNI_AC_ENC_INDEX(run, 65)]
|
|
+ last_length[UNI_AC_ENC_INDEX(run2, next_level)]
|
|
- last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
|
|
}else{
|
|
score += last_length[UNI_AC_ENC_INDEX(run, 65)];
|
|
if(prev_level){
|
|
score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
|
|
- last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
new_coeff=0;
|
|
av_assert2(FFABS(level)==1);
|
|
|
|
if(i < last_non_zero){
|
|
int next_i= i + run2 + 1;
|
|
int next_level= block[ perm_scantable[next_i] ] + 64;
|
|
|
|
if(next_level&(~127))
|
|
next_level= 0;
|
|
|
|
if(next_i < last_non_zero)
|
|
score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
|
|
- length[UNI_AC_ENC_INDEX(run2, next_level)]
|
|
- length[UNI_AC_ENC_INDEX(run, 65)];
|
|
else
|
|
score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
|
|
- last_length[UNI_AC_ENC_INDEX(run2, next_level)]
|
|
- length[UNI_AC_ENC_INDEX(run, 65)];
|
|
}else{
|
|
score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
|
|
if(prev_level){
|
|
score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
|
|
- length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
|
|
}
|
|
}
|
|
}
|
|
|
|
score *= lambda;
|
|
|
|
unquant_change= new_coeff - old_coeff;
|
|
av_assert2((score < 100*lambda && score > -100*lambda) || lambda==0);
|
|
|
|
score += s->mpvencdsp.try_8x8basis(rem, weight, basis[j],
|
|
unquant_change);
|
|
if(score<best_score){
|
|
best_score= score;
|
|
best_coeff= i;
|
|
best_change= change;
|
|
best_unquant_change= unquant_change;
|
|
}
|
|
}
|
|
if(level){
|
|
prev_level= level + 64;
|
|
if(prev_level&(~127))
|
|
prev_level= 0;
|
|
prev_run= run;
|
|
run=0;
|
|
}else{
|
|
run++;
|
|
}
|
|
}
|
|
|
|
if(best_change){
|
|
int j= perm_scantable[ best_coeff ];
|
|
|
|
block[j] += best_change;
|
|
|
|
if(best_coeff > last_non_zero){
|
|
last_non_zero= best_coeff;
|
|
av_assert2(block[j]);
|
|
}else{
|
|
for(; last_non_zero>=start_i; last_non_zero--){
|
|
if(block[perm_scantable[last_non_zero]])
|
|
break;
|
|
}
|
|
}
|
|
|
|
run=0;
|
|
rle_index=0;
|
|
for(i=start_i; i<=last_non_zero; i++){
|
|
int j= perm_scantable[i];
|
|
const int level= block[j];
|
|
|
|
if(level){
|
|
run_tab[rle_index++]=run;
|
|
run=0;
|
|
}else{
|
|
run++;
|
|
}
|
|
}
|
|
|
|
s->mpvencdsp.add_8x8basis(rem, basis[j], best_unquant_change);
|
|
}else{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return last_non_zero;
|
|
}
|
|
|
|
/**
|
|
* Permute an 8x8 block according to permutation.
|
|
* @param block the block which will be permuted according to
|
|
* the given permutation vector
|
|
* @param permutation the permutation vector
|
|
* @param last the last non zero coefficient in scantable order, used to
|
|
* speed the permutation up
|
|
* @param scantable the used scantable, this is only used to speed the
|
|
* permutation up, the block is not (inverse) permutated
|
|
* to scantable order!
|
|
*/
|
|
void ff_block_permute(int16_t *block, uint8_t *permutation,
|
|
const uint8_t *scantable, int last)
|
|
{
|
|
int i;
|
|
int16_t temp[64];
|
|
|
|
if (last <= 0)
|
|
return;
|
|
//FIXME it is ok but not clean and might fail for some permutations
|
|
// if (permutation[1] == 1)
|
|
// return;
|
|
|
|
for (i = 0; i <= last; i++) {
|
|
const int j = scantable[i];
|
|
temp[j] = block[j];
|
|
block[j] = 0;
|
|
}
|
|
|
|
for (i = 0; i <= last; i++) {
|
|
const int j = scantable[i];
|
|
const int perm_j = permutation[j];
|
|
block[perm_j] = temp[j];
|
|
}
|
|
}
|
|
|
|
int ff_dct_quantize_c(MpegEncContext *s,
|
|
int16_t *block, int n,
|
|
int qscale, int *overflow)
|
|
{
|
|
int i, j, level, last_non_zero, q, start_i;
|
|
const int *qmat;
|
|
const uint8_t *scantable;
|
|
int bias;
|
|
int max=0;
|
|
unsigned int threshold1, threshold2;
|
|
|
|
s->fdsp.fdct(block);
|
|
|
|
if(s->dct_error_sum)
|
|
s->denoise_dct(s, block);
|
|
|
|
if (s->mb_intra) {
|
|
scantable= s->intra_scantable.scantable;
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
q = s->y_dc_scale;
|
|
else
|
|
q = s->c_dc_scale;
|
|
q = q << 3;
|
|
} else
|
|
/* For AIC we skip quant/dequant of INTRADC */
|
|
q = 1 << 3;
|
|
|
|
/* note: block[0] is assumed to be positive */
|
|
block[0] = (block[0] + (q >> 1)) / q;
|
|
start_i = 1;
|
|
last_non_zero = 0;
|
|
qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
|
|
bias= s->intra_quant_bias*(1<<(QMAT_SHIFT - QUANT_BIAS_SHIFT));
|
|
} else {
|
|
scantable= s->inter_scantable.scantable;
|
|
start_i = 0;
|
|
last_non_zero = -1;
|
|
qmat = s->q_inter_matrix[qscale];
|
|
bias= s->inter_quant_bias*(1<<(QMAT_SHIFT - QUANT_BIAS_SHIFT));
|
|
}
|
|
threshold1= (1<<QMAT_SHIFT) - bias - 1;
|
|
threshold2= (threshold1<<1);
|
|
for(i=63;i>=start_i;i--) {
|
|
j = scantable[i];
|
|
level = block[j] * qmat[j];
|
|
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
last_non_zero = i;
|
|
break;
|
|
}else{
|
|
block[j]=0;
|
|
}
|
|
}
|
|
for(i=start_i; i<=last_non_zero; i++) {
|
|
j = scantable[i];
|
|
level = block[j] * qmat[j];
|
|
|
|
// if( bias+level >= (1<<QMAT_SHIFT)
|
|
// || bias-level >= (1<<QMAT_SHIFT)){
|
|
if(((unsigned)(level+threshold1))>threshold2){
|
|
if(level>0){
|
|
level= (bias + level)>>QMAT_SHIFT;
|
|
block[j]= level;
|
|
}else{
|
|
level= (bias - level)>>QMAT_SHIFT;
|
|
block[j]= -level;
|
|
}
|
|
max |=level;
|
|
}else{
|
|
block[j]=0;
|
|
}
|
|
}
|
|
*overflow= s->max_qcoeff < max; //overflow might have happened
|
|
|
|
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
|
|
if (s->idsp.perm_type != FF_IDCT_PERM_NONE)
|
|
ff_block_permute(block, s->idsp.idct_permutation,
|
|
scantable, last_non_zero);
|
|
|
|
return last_non_zero;
|
|
}
|