2021-12-24 01:23:00 +02:00
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/*
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* Common mpeg video decoding code
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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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* 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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#include <limits.h>
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2022-10-14 05:39:59 +02:00
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#include "config_components.h"
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2021-12-24 01:23:00 +02:00
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#include "libavutil/avassert.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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#include "libavutil/video_enc_params.h"
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#include "avcodec.h"
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2022-10-14 05:39:59 +02:00
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#include "h264chroma.h"
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2021-12-24 01:23:00 +02:00
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#include "internal.h"
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#include "mpegutils.h"
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#include "mpegvideo.h"
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2022-02-01 09:42:25 +02:00
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#include "mpegvideodec.h"
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2022-10-14 05:39:59 +02:00
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#include "mpeg4videodec.h"
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2022-02-06 08:08:01 +02:00
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#include "threadframe.h"
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2022-10-14 05:39:59 +02:00
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#include "wmv2dec.h"
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2021-12-24 01:23:00 +02:00
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void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx)
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{
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ff_mpv_common_defaults(s);
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s->avctx = avctx;
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s->width = avctx->coded_width;
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s->height = avctx->coded_height;
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s->codec_id = avctx->codec->id;
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s->workaround_bugs = avctx->workaround_bugs;
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/* convert fourcc to upper case */
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s->codec_tag = ff_toupper4(avctx->codec_tag);
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2022-10-24 03:20:22 +02:00
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ff_h264chroma_init(&s->h264chroma, 8); //for lowres
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2021-12-24 01:23:00 +02:00
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}
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int ff_mpeg_update_thread_context(AVCodecContext *dst,
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const AVCodecContext *src)
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{
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MpegEncContext *const s1 = src->priv_data;
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MpegEncContext *const s = dst->priv_data;
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int ret;
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if (dst == src)
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return 0;
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av_assert0(s != s1);
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// FIXME can parameters change on I-frames?
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// in that case dst may need a reinit
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if (!s->context_initialized) {
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2022-01-27 23:05:41 +02:00
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void *private_ctx = s->private_ctx;
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2021-12-24 01:23:00 +02:00
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int err;
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memcpy(s, s1, sizeof(*s));
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s->avctx = dst;
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2022-01-27 23:05:41 +02:00
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s->private_ctx = private_ctx;
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2021-12-24 01:23:00 +02:00
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s->bitstream_buffer = NULL;
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s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0;
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if (s1->context_initialized) {
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ff_mpv_idct_init(s);
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if ((err = ff_mpv_common_init(s)) < 0) {
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memset(s, 0, sizeof(*s));
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s->avctx = dst;
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2022-01-27 23:05:41 +02:00
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s->private_ctx = private_ctx;
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2022-10-24 03:20:22 +02:00
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memcpy(&s->h264chroma, &s1->h264chroma, sizeof(s->h264chroma));
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2021-12-24 01:23:00 +02:00
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return err;
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}
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}
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}
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if (s->height != s1->height || s->width != s1->width || s->context_reinit) {
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s->height = s1->height;
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s->width = s1->width;
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if ((ret = ff_mpv_common_frame_size_change(s)) < 0)
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return ret;
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}
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s->quarter_sample = s1->quarter_sample;
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s->coded_picture_number = s1->coded_picture_number;
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s->picture_number = s1->picture_number;
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av_assert0(!s->picture || s->picture != s1->picture);
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if (s->picture)
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for (int i = 0; i < MAX_PICTURE_COUNT; i++) {
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ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
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if (s1->picture && s1->picture[i].f->buf[0] &&
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(ret = ff_mpeg_ref_picture(s->avctx, &s->picture[i], &s1->picture[i])) < 0)
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return ret;
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}
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#define UPDATE_PICTURE(pic)\
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do {\
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ff_mpeg_unref_picture(s->avctx, &s->pic);\
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if (s1->pic.f && s1->pic.f->buf[0])\
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ret = ff_mpeg_ref_picture(s->avctx, &s->pic, &s1->pic);\
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else\
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ret = ff_update_picture_tables(&s->pic, &s1->pic);\
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if (ret < 0)\
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return ret;\
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} while (0)
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UPDATE_PICTURE(current_picture);
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UPDATE_PICTURE(last_picture);
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UPDATE_PICTURE(next_picture);
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#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
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((pic && pic >= old_ctx->picture && \
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pic < old_ctx->picture + MAX_PICTURE_COUNT) ? \
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&new_ctx->picture[pic - old_ctx->picture] : NULL)
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s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
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s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
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s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
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// Error/bug resilience
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s->workaround_bugs = s1->workaround_bugs;
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s->padding_bug_score = s1->padding_bug_score;
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// MPEG-4 timing info
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memcpy(&s->last_time_base, &s1->last_time_base,
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(char *) &s1->pb_field_time + sizeof(s1->pb_field_time) -
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(char *) &s1->last_time_base);
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// B-frame info
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s->max_b_frames = s1->max_b_frames;
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s->low_delay = s1->low_delay;
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s->droppable = s1->droppable;
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// DivX handling (doesn't work)
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s->divx_packed = s1->divx_packed;
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if (s1->bitstream_buffer) {
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if (s1->bitstream_buffer_size +
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AV_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) {
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av_fast_malloc(&s->bitstream_buffer,
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&s->allocated_bitstream_buffer_size,
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s1->allocated_bitstream_buffer_size);
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if (!s->bitstream_buffer) {
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s->bitstream_buffer_size = 0;
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return AVERROR(ENOMEM);
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}
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}
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s->bitstream_buffer_size = s1->bitstream_buffer_size;
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memcpy(s->bitstream_buffer, s1->bitstream_buffer,
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s1->bitstream_buffer_size);
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memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
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AV_INPUT_BUFFER_PADDING_SIZE);
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}
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// linesize-dependent scratch buffer allocation
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if (!s->sc.edge_emu_buffer)
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if (s1->linesize) {
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if (ff_mpeg_framesize_alloc(s->avctx, &s->me,
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&s->sc, s1->linesize) < 0) {
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av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context "
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"scratch buffers.\n");
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return AVERROR(ENOMEM);
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}
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} else {
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av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not "
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"be allocated due to unknown size.\n");
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}
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// MPEG-2/interlacing info
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memcpy(&s->progressive_sequence, &s1->progressive_sequence,
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(char *) &s1->rtp_mode - (char *) &s1->progressive_sequence);
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return 0;
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}
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int ff_mpv_common_frame_size_change(MpegEncContext *s)
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{
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int err = 0;
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if (!s->context_initialized)
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return AVERROR(EINVAL);
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ff_mpv_free_context_frame(s);
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if (s->picture)
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for (int i = 0; i < MAX_PICTURE_COUNT; i++)
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s->picture[i].needs_realloc = 1;
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s->last_picture_ptr =
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s->next_picture_ptr =
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s->current_picture_ptr = NULL;
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if ((s->width || s->height) &&
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(err = av_image_check_size(s->width, s->height, 0, s->avctx)) < 0)
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goto fail;
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/* set chroma shifts */
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err = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
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&s->chroma_x_shift,
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&s->chroma_y_shift);
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if (err < 0)
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goto fail;
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if ((err = ff_mpv_init_context_frame(s)))
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goto fail;
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memset(s->thread_context, 0, sizeof(s->thread_context));
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s->thread_context[0] = s;
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if (s->width && s->height) {
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err = ff_mpv_init_duplicate_contexts(s);
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if (err < 0)
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goto fail;
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}
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s->context_reinit = 0;
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return 0;
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fail:
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ff_mpv_free_context_frame(s);
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s->context_reinit = 1;
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return err;
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}
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static int alloc_picture(MpegEncContext *s, Picture *pic)
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{
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return ff_alloc_picture(s->avctx, pic, &s->me, &s->sc, 0, 0,
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s->chroma_x_shift, s->chroma_y_shift, s->out_format,
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s->mb_stride, s->mb_width, s->mb_height, s->b8_stride,
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&s->linesize, &s->uvlinesize);
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}
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static void gray_frame(AVFrame *frame)
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{
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int h_chroma_shift, v_chroma_shift;
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av_pix_fmt_get_chroma_sub_sample(frame->format, &h_chroma_shift, &v_chroma_shift);
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for (int i = 0; i < frame->height; i++)
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memset(frame->data[0] + frame->linesize[0] * i, 0x80, frame->width);
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for (int i = 0; i < AV_CEIL_RSHIFT(frame->height, v_chroma_shift); i++) {
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memset(frame->data[1] + frame->linesize[1] * i,
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0x80, AV_CEIL_RSHIFT(frame->width, h_chroma_shift));
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memset(frame->data[2] + frame->linesize[2] * i,
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0x80, AV_CEIL_RSHIFT(frame->width, h_chroma_shift));
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}
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}
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/**
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* generic function called after decoding
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* the header and before a frame is decoded.
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*/
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int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
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{
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Picture *pic;
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int idx, ret;
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s->mb_skipped = 0;
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if (!ff_thread_can_start_frame(avctx)) {
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av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
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return -1;
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}
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/* mark & release old frames */
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if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
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s->last_picture_ptr != s->next_picture_ptr &&
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s->last_picture_ptr->f->buf[0]) {
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ff_mpeg_unref_picture(s->avctx, s->last_picture_ptr);
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}
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2022-08-09 11:08:12 +02:00
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/* release non reference/forgotten frames */
|
2021-12-24 01:23:00 +02:00
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for (int i = 0; i < MAX_PICTURE_COUNT; i++) {
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2022-08-09 11:08:12 +02:00
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if (!s->picture[i].reference ||
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(&s->picture[i] != s->last_picture_ptr &&
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&s->picture[i] != s->next_picture_ptr &&
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!s->picture[i].needs_realloc)) {
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2021-12-24 01:23:00 +02:00
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ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
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}
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}
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ff_mpeg_unref_picture(s->avctx, &s->current_picture);
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ff_mpeg_unref_picture(s->avctx, &s->last_picture);
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ff_mpeg_unref_picture(s->avctx, &s->next_picture);
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if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) {
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// we already have an unused image
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// (maybe it was set before reading the header)
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pic = s->current_picture_ptr;
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} else {
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idx = ff_find_unused_picture(s->avctx, s->picture, 0);
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if (idx < 0) {
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av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
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return idx;
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}
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pic = &s->picture[idx];
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}
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pic->reference = 0;
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if (!s->droppable) {
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if (s->pict_type != AV_PICTURE_TYPE_B)
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pic->reference = 3;
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}
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2023-01-28 19:36:22 +02:00
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#if FF_API_FRAME_PICTURE_NUMBER
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FF_DISABLE_DEPRECATION_WARNINGS
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2021-12-24 01:23:00 +02:00
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pic->f->coded_picture_number = s->coded_picture_number++;
|
2023-01-28 19:36:22 +02:00
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
|
2021-12-24 01:23:00 +02:00
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if (alloc_picture(s, pic) < 0)
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return -1;
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|
|
s->current_picture_ptr = pic;
|
|
|
|
// FIXME use only the vars from current_pic
|
|
|
|
s->current_picture_ptr->f->top_field_first = s->top_field_first;
|
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO ||
|
|
|
|
s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
|
|
|
|
if (s->picture_structure != PICT_FRAME)
|
|
|
|
s->current_picture_ptr->f->top_field_first =
|
|
|
|
(s->picture_structure == PICT_TOP_FIELD) == s->first_field;
|
|
|
|
}
|
|
|
|
s->current_picture_ptr->f->interlaced_frame = !s->progressive_frame &&
|
|
|
|
!s->progressive_sequence;
|
|
|
|
s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME;
|
|
|
|
|
|
|
|
s->current_picture_ptr->f->pict_type = s->pict_type;
|
|
|
|
s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
|
|
|
|
|
|
|
|
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;
|
|
|
|
if (!s->droppable)
|
|
|
|
s->next_picture_ptr = s->current_picture_ptr;
|
|
|
|
}
|
|
|
|
ff_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
|
|
|
|
s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
|
|
|
|
s->last_picture_ptr ? s->last_picture_ptr->f->data[0] : NULL,
|
|
|
|
s->next_picture_ptr ? s->next_picture_ptr->f->data[0] : NULL,
|
|
|
|
s->current_picture_ptr ? s->current_picture_ptr->f->data[0] : NULL,
|
|
|
|
s->pict_type, s->droppable);
|
|
|
|
|
|
|
|
if ((!s->last_picture_ptr || !s->last_picture_ptr->f->buf[0]) &&
|
|
|
|
(s->pict_type != AV_PICTURE_TYPE_I)) {
|
|
|
|
int h_chroma_shift, v_chroma_shift;
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
|
|
&h_chroma_shift, &v_chroma_shift);
|
|
|
|
if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture_ptr && s->next_picture_ptr->f->buf[0])
|
|
|
|
av_log(avctx, AV_LOG_DEBUG,
|
|
|
|
"allocating dummy last picture for B frame\n");
|
|
|
|
else if (s->pict_type != AV_PICTURE_TYPE_I)
|
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
|
|
"warning: first frame is no keyframe\n");
|
|
|
|
|
|
|
|
/* Allocate a dummy frame */
|
|
|
|
idx = ff_find_unused_picture(s->avctx, s->picture, 0);
|
|
|
|
if (idx < 0) {
|
|
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
s->last_picture_ptr = &s->picture[idx];
|
|
|
|
|
|
|
|
s->last_picture_ptr->reference = 3;
|
|
|
|
s->last_picture_ptr->f->key_frame = 0;
|
|
|
|
s->last_picture_ptr->f->pict_type = AV_PICTURE_TYPE_P;
|
|
|
|
|
|
|
|
if (alloc_picture(s, s->last_picture_ptr) < 0) {
|
|
|
|
s->last_picture_ptr = NULL;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!avctx->hwaccel) {
|
|
|
|
for (int i = 0; i < avctx->height; i++)
|
|
|
|
memset(s->last_picture_ptr->f->data[0] + s->last_picture_ptr->f->linesize[0]*i,
|
|
|
|
0x80, avctx->width);
|
|
|
|
if (s->last_picture_ptr->f->data[2]) {
|
|
|
|
for (int i = 0; i < AV_CEIL_RSHIFT(avctx->height, v_chroma_shift); i++) {
|
|
|
|
memset(s->last_picture_ptr->f->data[1] + s->last_picture_ptr->f->linesize[1]*i,
|
|
|
|
0x80, AV_CEIL_RSHIFT(avctx->width, h_chroma_shift));
|
|
|
|
memset(s->last_picture_ptr->f->data[2] + s->last_picture_ptr->f->linesize[2]*i,
|
|
|
|
0x80, AV_CEIL_RSHIFT(avctx->width, h_chroma_shift));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263) {
|
|
|
|
for (int i = 0; i < avctx->height; i++)
|
|
|
|
memset(s->last_picture_ptr->f->data[0] + s->last_picture_ptr->f->linesize[0] * i,
|
|
|
|
16, avctx->width);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0);
|
|
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1);
|
|
|
|
}
|
|
|
|
if ((!s->next_picture_ptr || !s->next_picture_ptr->f->buf[0]) &&
|
|
|
|
s->pict_type == AV_PICTURE_TYPE_B) {
|
|
|
|
/* Allocate a dummy frame */
|
|
|
|
idx = ff_find_unused_picture(s->avctx, s->picture, 0);
|
|
|
|
if (idx < 0) {
|
|
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
s->next_picture_ptr = &s->picture[idx];
|
|
|
|
|
|
|
|
s->next_picture_ptr->reference = 3;
|
|
|
|
s->next_picture_ptr->f->key_frame = 0;
|
|
|
|
s->next_picture_ptr->f->pict_type = AV_PICTURE_TYPE_P;
|
|
|
|
|
|
|
|
if (alloc_picture(s, s->next_picture_ptr) < 0) {
|
|
|
|
s->next_picture_ptr = NULL;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0);
|
|
|
|
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0 // BUFREF-FIXME
|
|
|
|
memset(s->last_picture.f->data, 0, sizeof(s->last_picture.f->data));
|
|
|
|
memset(s->next_picture.f->data, 0, sizeof(s->next_picture.f->data));
|
|
|
|
#endif
|
|
|
|
if (s->last_picture_ptr) {
|
|
|
|
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) {
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
av_assert0(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr &&
|
|
|
|
s->last_picture_ptr->f->buf[0]));
|
|
|
|
|
|
|
|
if (s->picture_structure != PICT_FRAME) {
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
if (s->picture_structure == PICT_BOTTOM_FIELD) {
|
2022-09-28 20:04:54 +02:00
|
|
|
s->current_picture.f->data[i] = FF_PTR_ADD(s->current_picture.f->data[i],
|
|
|
|
s->current_picture.f->linesize[i]);
|
2021-12-24 01:23:00 +02:00
|
|
|
}
|
|
|
|
s->current_picture.f->linesize[i] *= 2;
|
|
|
|
s->last_picture.f->linesize[i] *= 2;
|
|
|
|
s->next_picture.f->linesize[i] *= 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set dequantizer, we can't do it during init as
|
|
|
|
* it might change for MPEG-4 and we can't do it in the header
|
|
|
|
* decode as init is not called for MPEG-4 there yet */
|
|
|
|
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->avctx->debug & FF_DEBUG_NOMC)
|
|
|
|
gray_frame(s->current_picture_ptr->f);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* called after a frame has been decoded. */
|
|
|
|
void ff_mpv_frame_end(MpegEncContext *s)
|
|
|
|
{
|
|
|
|
emms_c();
|
|
|
|
|
|
|
|
if (s->current_picture.reference)
|
|
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
|
|
|
|
}
|
|
|
|
|
2022-08-13 16:05:52 +02:00
|
|
|
void ff_print_debug_info(const MpegEncContext *s, const Picture *p, AVFrame *pict)
|
2021-12-24 01:23:00 +02:00
|
|
|
{
|
|
|
|
ff_print_debug_info2(s->avctx, pict, s->mbskip_table, p->mb_type,
|
|
|
|
p->qscale_table, p->motion_val,
|
|
|
|
s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample);
|
|
|
|
}
|
|
|
|
|
2022-08-13 16:05:52 +02:00
|
|
|
int ff_mpv_export_qp_table(const MpegEncContext *s, AVFrame *f, const Picture *p, int qp_type)
|
2021-12-24 01:23:00 +02:00
|
|
|
{
|
|
|
|
AVVideoEncParams *par;
|
2022-03-22 13:02:31 +02:00
|
|
|
int mult = (qp_type == FF_MPV_QSCALE_TYPE_MPEG1) ? 2 : 1;
|
2021-12-24 01:23:00 +02:00
|
|
|
unsigned int nb_mb = p->alloc_mb_height * p->alloc_mb_width;
|
|
|
|
|
|
|
|
if (!(s->avctx->export_side_data & AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
par = av_video_enc_params_create_side_data(f, AV_VIDEO_ENC_PARAMS_MPEG2, nb_mb);
|
|
|
|
if (!par)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
for (unsigned y = 0; y < p->alloc_mb_height; y++)
|
|
|
|
for (unsigned x = 0; x < p->alloc_mb_width; x++) {
|
|
|
|
const unsigned int block_idx = y * p->alloc_mb_width + x;
|
|
|
|
const unsigned int mb_xy = y * p->alloc_mb_stride + x;
|
|
|
|
AVVideoBlockParams *const b = av_video_enc_params_block(par, block_idx);
|
|
|
|
|
|
|
|
b->src_x = x * 16;
|
|
|
|
b->src_y = y * 16;
|
|
|
|
b->w = 16;
|
|
|
|
b->h = 16;
|
|
|
|
|
|
|
|
b->delta_qp = p->qscale_table[mb_xy] * mult;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
|
|
|
|
{
|
|
|
|
ff_draw_horiz_band(s->avctx, s->current_picture_ptr->f,
|
|
|
|
s->last_picture_ptr ? s->last_picture_ptr->f : NULL,
|
|
|
|
y, h, s->picture_structure,
|
|
|
|
s->first_field, s->low_delay);
|
|
|
|
}
|
|
|
|
|
|
|
|
void ff_mpeg_flush(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
MpegEncContext *const s = avctx->priv_data;
|
|
|
|
|
|
|
|
if (!s->picture)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (int i = 0; i < MAX_PICTURE_COUNT; i++)
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
|
|
|
|
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL;
|
|
|
|
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->last_picture);
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->next_picture);
|
|
|
|
|
|
|
|
s->mb_x = s->mb_y = 0;
|
|
|
|
|
|
|
|
s->bitstream_buffer_size = 0;
|
|
|
|
s->pp_time = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void ff_mpv_report_decode_progress(MpegEncContext *s)
|
|
|
|
{
|
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred)
|
|
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0);
|
|
|
|
}
|
2022-10-14 05:39:59 +02:00
|
|
|
|
|
|
|
|
|
|
|
static inline int hpel_motion_lowres(MpegEncContext *s,
|
|
|
|
uint8_t *dest, const uint8_t *src,
|
|
|
|
int field_based, int field_select,
|
|
|
|
int src_x, int src_y,
|
|
|
|
int width, int height, ptrdiff_t stride,
|
|
|
|
int h_edge_pos, int v_edge_pos,
|
|
|
|
int w, int h, const h264_chroma_mc_func *pix_op,
|
|
|
|
int motion_x, int motion_y)
|
|
|
|
{
|
|
|
|
const int lowres = s->avctx->lowres;
|
|
|
|
const int op_index = FFMIN(lowres, 3);
|
|
|
|
const int s_mask = (2 << lowres) - 1;
|
|
|
|
int emu = 0;
|
|
|
|
int sx, sy;
|
|
|
|
|
|
|
|
if (s->quarter_sample) {
|
|
|
|
motion_x /= 2;
|
|
|
|
motion_y /= 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
sx = motion_x & s_mask;
|
|
|
|
sy = motion_y & s_mask;
|
|
|
|
src_x += motion_x >> lowres + 1;
|
|
|
|
src_y += motion_y >> lowres + 1;
|
|
|
|
|
|
|
|
src += src_y * stride + src_x;
|
|
|
|
|
|
|
|
if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) ||
|
|
|
|
(unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) {
|
|
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, src,
|
|
|
|
s->linesize, s->linesize,
|
|
|
|
w + 1, (h + 1) << field_based,
|
|
|
|
src_x, src_y * (1 << field_based),
|
|
|
|
h_edge_pos, v_edge_pos);
|
|
|
|
src = s->sc.edge_emu_buffer;
|
|
|
|
emu = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
|
|
sy = (sy << 2) >> lowres;
|
|
|
|
if (field_select)
|
|
|
|
src += s->linesize;
|
|
|
|
pix_op[op_index](dest, src, stride, h, sx, sy);
|
|
|
|
return emu;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* apply one mpeg motion vector to the three components */
|
|
|
|
static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
|
|
|
|
uint8_t *dest_y,
|
|
|
|
uint8_t *dest_cb,
|
|
|
|
uint8_t *dest_cr,
|
|
|
|
int field_based,
|
|
|
|
int bottom_field,
|
|
|
|
int field_select,
|
|
|
|
uint8_t *const *ref_picture,
|
|
|
|
const h264_chroma_mc_func *pix_op,
|
|
|
|
int motion_x, int motion_y,
|
|
|
|
int h, int mb_y)
|
|
|
|
{
|
|
|
|
const uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
|
|
int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, sx, sy, uvsx, uvsy;
|
|
|
|
ptrdiff_t uvlinesize, linesize;
|
|
|
|
const int lowres = s->avctx->lowres;
|
|
|
|
const int op_index = FFMIN(lowres - 1 + s->chroma_x_shift, 3);
|
|
|
|
const int block_s = 8 >> lowres;
|
|
|
|
const int s_mask = (2 << lowres) - 1;
|
|
|
|
const int h_edge_pos = s->h_edge_pos >> lowres;
|
|
|
|
const int v_edge_pos = s->v_edge_pos >> lowres;
|
|
|
|
linesize = s->current_picture.f->linesize[0] << field_based;
|
|
|
|
uvlinesize = s->current_picture.f->linesize[1] << field_based;
|
|
|
|
|
|
|
|
// FIXME obviously not perfect but qpel will not work in lowres anyway
|
|
|
|
if (s->quarter_sample) {
|
|
|
|
motion_x /= 2;
|
|
|
|
motion_y /= 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (field_based) {
|
|
|
|
motion_y += (bottom_field - field_select)*((1 << lowres)-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
sx = motion_x & s_mask;
|
|
|
|
sy = motion_y & s_mask;
|
|
|
|
src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1);
|
|
|
|
src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1);
|
|
|
|
|
|
|
|
if (s->out_format == FMT_H263) {
|
|
|
|
uvsx = ((motion_x >> 1) & s_mask) | (sx & 1);
|
|
|
|
uvsy = ((motion_y >> 1) & s_mask) | (sy & 1);
|
|
|
|
uvsrc_x = src_x >> 1;
|
|
|
|
uvsrc_y = src_y >> 1;
|
|
|
|
} else if (s->out_format == FMT_H261) {
|
|
|
|
// even chroma mv's are full pel in H261
|
|
|
|
mx = motion_x / 4;
|
|
|
|
my = motion_y / 4;
|
|
|
|
uvsx = (2 * mx) & s_mask;
|
|
|
|
uvsy = (2 * my) & s_mask;
|
|
|
|
uvsrc_x = s->mb_x * block_s + (mx >> lowres);
|
|
|
|
uvsrc_y = mb_y * block_s + (my >> lowres);
|
|
|
|
} else {
|
|
|
|
if (s->chroma_y_shift) {
|
|
|
|
mx = motion_x / 2;
|
|
|
|
my = motion_y / 2;
|
|
|
|
uvsx = mx & s_mask;
|
|
|
|
uvsy = my & s_mask;
|
|
|
|
uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1);
|
|
|
|
uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1);
|
|
|
|
} else {
|
|
|
|
if (s->chroma_x_shift) {
|
|
|
|
//Chroma422
|
|
|
|
mx = motion_x / 2;
|
|
|
|
uvsx = mx & s_mask;
|
|
|
|
uvsy = motion_y & s_mask;
|
|
|
|
uvsrc_y = src_y;
|
|
|
|
uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1));
|
|
|
|
} else {
|
|
|
|
//Chroma444
|
|
|
|
uvsx = motion_x & s_mask;
|
|
|
|
uvsy = motion_y & s_mask;
|
|
|
|
uvsrc_x = src_x;
|
|
|
|
uvsrc_y = src_y;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ptr_y = ref_picture[0] + src_y * linesize + src_x;
|
|
|
|
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
|
|
|
|
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
|
|
|
|
|
|
|
|
if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || uvsrc_y<0 ||
|
|
|
|
(unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) {
|
|
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y,
|
|
|
|
linesize >> field_based, linesize >> field_based,
|
|
|
|
17, 17 + field_based,
|
|
|
|
src_x, src_y * (1 << field_based), h_edge_pos,
|
|
|
|
v_edge_pos);
|
|
|
|
ptr_y = s->sc.edge_emu_buffer;
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
|
|
uint8_t *ubuf = s->sc.edge_emu_buffer + 18 * s->linesize;
|
|
|
|
uint8_t *vbuf =ubuf + 10 * s->uvlinesize;
|
|
|
|
if (s->workaround_bugs & FF_BUG_IEDGE)
|
|
|
|
vbuf -= s->uvlinesize;
|
|
|
|
s->vdsp.emulated_edge_mc(ubuf, ptr_cb,
|
|
|
|
uvlinesize >> field_based, uvlinesize >> field_based,
|
|
|
|
9, 9 + field_based,
|
|
|
|
uvsrc_x, uvsrc_y * (1 << field_based),
|
|
|
|
h_edge_pos >> 1, v_edge_pos >> 1);
|
|
|
|
s->vdsp.emulated_edge_mc(vbuf, ptr_cr,
|
|
|
|
uvlinesize >> field_based,uvlinesize >> field_based,
|
|
|
|
9, 9 + field_based,
|
|
|
|
uvsrc_x, uvsrc_y * (1 << field_based),
|
|
|
|
h_edge_pos >> 1, v_edge_pos >> 1);
|
|
|
|
ptr_cb = ubuf;
|
|
|
|
ptr_cr = vbuf;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// FIXME use this for field pix too instead of the obnoxious hack which changes picture.f->data
|
|
|
|
if (bottom_field) {
|
|
|
|
dest_y += s->linesize;
|
|
|
|
dest_cb += s->uvlinesize;
|
|
|
|
dest_cr += s->uvlinesize;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (field_select) {
|
|
|
|
ptr_y += s->linesize;
|
|
|
|
ptr_cb += s->uvlinesize;
|
|
|
|
ptr_cr += s->uvlinesize;
|
|
|
|
}
|
|
|
|
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
|
|
sy = (sy << 2) >> lowres;
|
|
|
|
pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy);
|
|
|
|
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
|
|
int hc = s->chroma_y_shift ? (h+1-bottom_field)>>1 : h;
|
|
|
|
uvsx = (uvsx << 2) >> lowres;
|
|
|
|
uvsy = (uvsy << 2) >> lowres;
|
|
|
|
if (hc) {
|
|
|
|
pix_op[op_index](dest_cb, ptr_cb, uvlinesize, hc, uvsx, uvsy);
|
|
|
|
pix_op[op_index](dest_cr, ptr_cr, uvlinesize, hc, uvsx, uvsy);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// FIXME h261 lowres loop filter
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void chroma_4mv_motion_lowres(MpegEncContext *s,
|
|
|
|
uint8_t *dest_cb, uint8_t *dest_cr,
|
|
|
|
uint8_t *const *ref_picture,
|
|
|
|
const h264_chroma_mc_func * pix_op,
|
|
|
|
int mx, int my)
|
|
|
|
{
|
|
|
|
const int lowres = s->avctx->lowres;
|
|
|
|
const int op_index = FFMIN(lowres, 3);
|
|
|
|
const int block_s = 8 >> lowres;
|
|
|
|
const int s_mask = (2 << lowres) - 1;
|
|
|
|
const int h_edge_pos = s->h_edge_pos >> lowres + 1;
|
|
|
|
const int v_edge_pos = s->v_edge_pos >> lowres + 1;
|
|
|
|
int emu = 0, src_x, src_y, sx, sy;
|
|
|
|
ptrdiff_t offset;
|
|
|
|
const uint8_t *ptr;
|
|
|
|
|
|
|
|
if (s->quarter_sample) {
|
|
|
|
mx /= 2;
|
|
|
|
my /= 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* In case of 8X8, we construct a single chroma motion vector
|
|
|
|
with a special rounding */
|
|
|
|
mx = ff_h263_round_chroma(mx);
|
|
|
|
my = ff_h263_round_chroma(my);
|
|
|
|
|
|
|
|
sx = mx & s_mask;
|
|
|
|
sy = my & s_mask;
|
|
|
|
src_x = s->mb_x * block_s + (mx >> lowres + 1);
|
|
|
|
src_y = s->mb_y * block_s + (my >> lowres + 1);
|
|
|
|
|
|
|
|
offset = src_y * s->uvlinesize + src_x;
|
|
|
|
ptr = ref_picture[1] + offset;
|
|
|
|
if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) ||
|
|
|
|
(unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) {
|
|
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
|
|
s->uvlinesize, s->uvlinesize,
|
|
|
|
9, 9,
|
|
|
|
src_x, src_y, h_edge_pos, v_edge_pos);
|
|
|
|
ptr = s->sc.edge_emu_buffer;
|
|
|
|
emu = 1;
|
|
|
|
}
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
|
|
sy = (sy << 2) >> lowres;
|
|
|
|
pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy);
|
|
|
|
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
|
|
if (emu) {
|
|
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
|
|
s->uvlinesize, s->uvlinesize,
|
|
|
|
9, 9,
|
|
|
|
src_x, src_y, h_edge_pos, v_edge_pos);
|
|
|
|
ptr = s->sc.edge_emu_buffer;
|
|
|
|
}
|
|
|
|
pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* motion compensation of a single macroblock
|
|
|
|
* @param s context
|
|
|
|
* @param dest_y luma destination pointer
|
|
|
|
* @param dest_cb chroma cb/u destination pointer
|
|
|
|
* @param dest_cr chroma cr/v destination pointer
|
|
|
|
* @param dir direction (0->forward, 1->backward)
|
|
|
|
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
|
|
|
* @param pix_op halfpel motion compensation function (average or put normally)
|
|
|
|
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
|
|
|
*/
|
|
|
|
static inline void MPV_motion_lowres(MpegEncContext *s,
|
|
|
|
uint8_t *dest_y, uint8_t *dest_cb,
|
|
|
|
uint8_t *dest_cr,
|
|
|
|
int dir, uint8_t *const *ref_picture,
|
|
|
|
const h264_chroma_mc_func *pix_op)
|
|
|
|
{
|
|
|
|
int mx, my;
|
|
|
|
int mb_x, mb_y;
|
|
|
|
const int lowres = s->avctx->lowres;
|
|
|
|
const int block_s = 8 >>lowres;
|
|
|
|
|
|
|
|
mb_x = s->mb_x;
|
|
|
|
mb_y = s->mb_y;
|
|
|
|
|
|
|
|
switch (s->mv_type) {
|
|
|
|
case MV_TYPE_16X16:
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
0, 0, 0,
|
|
|
|
ref_picture, pix_op,
|
|
|
|
s->mv[dir][0][0], s->mv[dir][0][1],
|
|
|
|
2 * block_s, mb_y);
|
|
|
|
break;
|
|
|
|
case MV_TYPE_8X8:
|
|
|
|
mx = 0;
|
|
|
|
my = 0;
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
|
|
hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) *
|
|
|
|
s->linesize) * block_s,
|
|
|
|
ref_picture[0], 0, 0,
|
|
|
|
(2 * mb_x + (i & 1)) * block_s,
|
|
|
|
(2 * mb_y + (i >> 1)) * block_s,
|
|
|
|
s->width, s->height, s->linesize,
|
|
|
|
s->h_edge_pos >> lowres, s->v_edge_pos >> lowres,
|
|
|
|
block_s, block_s, pix_op,
|
|
|
|
s->mv[dir][i][0], s->mv[dir][i][1]);
|
|
|
|
|
|
|
|
mx += s->mv[dir][i][0];
|
|
|
|
my += s->mv[dir][i][1];
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY))
|
|
|
|
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture,
|
|
|
|
pix_op, mx, my);
|
|
|
|
break;
|
|
|
|
case MV_TYPE_FIELD:
|
|
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
|
|
/* top field */
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
1, 0, s->field_select[dir][0],
|
|
|
|
ref_picture, pix_op,
|
|
|
|
s->mv[dir][0][0], s->mv[dir][0][1],
|
|
|
|
block_s, mb_y);
|
|
|
|
/* bottom field */
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
1, 1, s->field_select[dir][1],
|
|
|
|
ref_picture, pix_op,
|
|
|
|
s->mv[dir][1][0], s->mv[dir][1][1],
|
|
|
|
block_s, mb_y);
|
|
|
|
} else {
|
|
|
|
if (s->picture_structure != s->field_select[dir][0] + 1 &&
|
|
|
|
s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) {
|
|
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
|
|
|
|
|
|
}
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
0, 0, s->field_select[dir][0],
|
|
|
|
ref_picture, pix_op,
|
|
|
|
s->mv[dir][0][0],
|
|
|
|
s->mv[dir][0][1], 2 * block_s, mb_y >> 1);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MV_TYPE_16X8:
|
|
|
|
for (int i = 0; i < 2; i++) {
|
|
|
|
uint8_t *const *ref2picture;
|
|
|
|
|
|
|
|
if (s->picture_structure == s->field_select[dir][i] + 1 ||
|
|
|
|
s->pict_type == AV_PICTURE_TYPE_B || s->first_field) {
|
|
|
|
ref2picture = ref_picture;
|
|
|
|
} else {
|
|
|
|
ref2picture = s->current_picture_ptr->f->data;
|
|
|
|
}
|
|
|
|
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
0, 0, s->field_select[dir][i],
|
|
|
|
ref2picture, pix_op,
|
|
|
|
s->mv[dir][i][0], s->mv[dir][i][1] +
|
|
|
|
2 * block_s * i, block_s, mb_y >> 1);
|
|
|
|
|
|
|
|
dest_y += 2 * block_s * s->linesize;
|
|
|
|
dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
|
|
|
|
dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case MV_TYPE_DMV:
|
|
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
|
|
for (int i = 0; i < 2; i++) {
|
|
|
|
for (int j = 0; j < 2; j++) {
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
1, j, j ^ i,
|
|
|
|
ref_picture, pix_op,
|
|
|
|
s->mv[dir][2 * i + j][0],
|
|
|
|
s->mv[dir][2 * i + j][1],
|
|
|
|
block_s, mb_y);
|
|
|
|
}
|
|
|
|
pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (int i = 0; i < 2; i++) {
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
|
|
0, 0, s->picture_structure != i + 1,
|
|
|
|
ref_picture, pix_op,
|
|
|
|
s->mv[dir][2 * i][0],s->mv[dir][2 * i][1],
|
|
|
|
2 * block_s, mb_y >> 1);
|
|
|
|
|
|
|
|
// after put we make avg of the same block
|
|
|
|
pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
|
|
|
|
|
|
// opposite parity is always in the same
|
|
|
|
// frame if this is second field
|
|
|
|
if (!s->first_field) {
|
|
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
av_assert2(0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* find the lowest MB row referenced in the MVs
|
|
|
|
*/
|
|
|
|
static int lowest_referenced_row(MpegEncContext *s, int dir)
|
|
|
|
{
|
|
|
|
int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample;
|
|
|
|
int off, mvs;
|
|
|
|
|
|
|
|
if (s->picture_structure != PICT_FRAME || s->mcsel)
|
|
|
|
goto unhandled;
|
|
|
|
|
|
|
|
switch (s->mv_type) {
|
|
|
|
case MV_TYPE_16X16:
|
|
|
|
mvs = 1;
|
|
|
|
break;
|
|
|
|
case MV_TYPE_16X8:
|
|
|
|
mvs = 2;
|
|
|
|
break;
|
|
|
|
case MV_TYPE_8X8:
|
|
|
|
mvs = 4;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
goto unhandled;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (int i = 0; i < mvs; i++) {
|
|
|
|
int my = s->mv[dir][i][1];
|
|
|
|
my_max = FFMAX(my_max, my);
|
|
|
|
my_min = FFMIN(my_min, my);
|
|
|
|
}
|
|
|
|
|
|
|
|
off = ((FFMAX(-my_min, my_max) << qpel_shift) + 63) >> 6;
|
|
|
|
|
|
|
|
return av_clip(s->mb_y + off, 0, s->mb_height - 1);
|
|
|
|
unhandled:
|
|
|
|
return s->mb_height - 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* add block[] to dest[] */
|
|
|
|
static inline void add_dct(MpegEncContext *s,
|
|
|
|
int16_t *block, int i, uint8_t *dest, int line_size)
|
|
|
|
{
|
|
|
|
if (s->block_last_index[i] >= 0) {
|
|
|
|
s->idsp.idct_add(dest, line_size, block);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#define IS_ENCODER 0
|
|
|
|
#include "mpv_reconstruct_mb_template.c"
|
|
|
|
|
|
|
|
void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64])
|
|
|
|
{
|
|
|
|
if (s->avctx->debug & FF_DEBUG_DCT_COEFF) {
|
|
|
|
/* print DCT coefficients */
|
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y);
|
|
|
|
for (int i = 0; i < 6; i++) {
|
|
|
|
for (int j = 0; j < 64; j++) {
|
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%5d",
|
|
|
|
block[i][s->idsp.idct_permutation[j]]);
|
|
|
|
}
|
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!s->avctx->lowres) {
|
|
|
|
#if !CONFIG_SMALL
|
|
|
|
if (s->out_format == FMT_MPEG1)
|
|
|
|
mpv_reconstruct_mb_internal(s, block, 0, DEFINITELY_MPEG12);
|
|
|
|
else
|
|
|
|
mpv_reconstruct_mb_internal(s, block, 0, NOT_MPEG12);
|
|
|
|
#else
|
|
|
|
mpv_reconstruct_mb_internal(s, block, 0, MAY_BE_MPEG12);
|
|
|
|
#endif
|
|
|
|
} else
|
|
|
|
mpv_reconstruct_mb_internal(s, block, 1, MAY_BE_MPEG12);
|
|
|
|
}
|