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https://github.com/FFmpeg/FFmpeg.git
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80e9e63c94
* commit '759001c534287a96dc96d1e274665feb7059145d': lavc decoders: work with refcounted frames. Anton Khirnov (1): lavc decoders: work with refcounted frames. Clément Bœsch (47): lavc/ansi: reset file lavc/ansi: re-do refcounted frame changes from Anton fraps: reset file lavc/fraps: switch to refcounted frames gifdec: reset file lavc/gifdec: switch to refcounted frames dsicinav: resolve conflicts smc: resolve conflicts zmbv: resolve conflicts rpza: resolve conflicts vble: resolve conflicts xxan: resolve conflicts targa: resolve conflicts vmnc: resolve conflicts utvideodec: resolve conflicts tscc: resolve conflicts ulti: resolve conflicts ffv1dec: resolve conflicts dnxhddec: resolve conflicts v210dec: resolve conflicts vp3: resolve conflicts vcr1: resolve conflicts v210x: resolve conflicts wavpack: resolve conflicts pngdec: fix compilation roqvideodec: resolve conflicts pictordec: resolve conflicts mdec: resolve conflicts tiertexseqv: resolve conflicts smacker: resolve conflicts vb: resolve conflicts vqavideo: resolve conflicts xl: resolve conflicts tmv: resolve conflicts vmdav: resolve conflicts truemotion1: resolve conflicts truemotion2: resolve conflicts lcldec: fix compilation libcelt_dec: fix compilation qdrw: fix compilation r210dec: fix compilation rl2: fix compilation wnv1: fix compilation yop: fix compilation tiff: resolve conflicts interplayvideo: fix compilation qpeg: resolve conflicts (FIXME/TESTME). Hendrik Leppkes (33): 012v: convert to refcounted frames 8bps: fix compilation 8svx: resolve conflicts 4xm: resolve conflicts aasc: resolve conflicts bfi: fix compilation aura: fix compilation alsdec: resolve conflicts avrndec: convert to refcounted frames avuidec: convert to refcounted frames bintext: convert to refcounted frames cavsdec: resolve conflicts brender_pix: convert to refcounted frames cinepak: resolve conflicts cinepak: avoid using AVFrame struct directly in private context cljr: fix compilation cpia: convert to refcounted frames cscd: resolve conflicts iff: resolve conflicts and do proper conversion to refcounted frames 4xm: fix reference frame handling cyuv: fix compilation dxa: fix compilation eacmv: fix compilation eamad: fix compilation eatgv: fix compilation escape124: remove unused variable. escape130: convert to refcounted frames evrcdec: convert to refcounted frames exr: convert to refcounted frames mvcdec: convert to refcounted frames paf: properly free the frame data on decode close sgirle: convert to refcounted frames lavfi/moviesrc: use refcounted frames Michael Niedermayer (56): Merge commit '759001c534287a96dc96d1e274665feb7059145d' resolve conflicts in headers motion_est: resolve conflict mpeg4videodec: fix conflicts dpcm conflict fix dpx: fix conflicts indeo3: resolve confilcts kmvc: resolve conflicts kmvc: resolve conflicts h264: resolve conflicts utils: resolve conflicts rawdec: resolve conflcits mpegvideo: resolve conflicts svq1enc: resolve conflicts mpegvideo: dont clear data, fix assertion failure on fate vsynth1 with threads pthreads: resolve conflicts frame_thread_encoder: simple compilefix not yet tested snow: update to buffer refs crytsalhd: fix compile dirac: switch to new API sonic: update to new API svq1: resolve conflict, update to new API ffwavesynth: update to new buffer API g729: update to new API indeo5: fix compile j2kdec: update to new buffer API linopencore-amr: fix compile libvorbisdec: update to new API loco: fix compile paf: update to new API proresdec: update to new API vp56: update to new api / resolve conflicts xface: convert to refcounted frames xan: fix compile&fate v408: update to ref counted buffers v308: update to ref counted buffers yuv4dec: update to ref counted buffers y41p: update to ref counted frames xbm: update to refcounted frames targa_y216: update to refcounted buffers qpeg: fix fate/crash cdxl: fix fate tscc: fix reget buffer useage targa_y216dec: fix style msmpeg4: fix fate h264: ref_picture() copy fields that have been lost too update_frame_pool: use channel field h264: Put code that prevents deadlocks back mpegvideo: dont allow last == current wmalossless: fix buffer ref messup ff_alloc_picture: free tables in case of dimension mismatches h264: fix null pointer dereference and assertion failure frame_thread_encoder: update to bufrefs ec: fix used arrays snowdec: fix off by 1 error in dimensions check h264: disallow single unpaired fields as references of frames Paul B Mahol (2): lavc/vima: convert to refcounted frames sanm: convert to refcounted frames Conflicts: libavcodec/4xm.c libavcodec/8bps.c libavcodec/8svx.c libavcodec/aasc.c libavcodec/alsdec.c libavcodec/anm.c libavcodec/ansi.c libavcodec/avs.c libavcodec/bethsoftvideo.c libavcodec/bfi.c libavcodec/c93.c libavcodec/cavsdec.c libavcodec/cdgraphics.c libavcodec/cinepak.c libavcodec/cljr.c libavcodec/cscd.c libavcodec/dnxhddec.c libavcodec/dpcm.c libavcodec/dpx.c libavcodec/dsicinav.c libavcodec/dvdec.c libavcodec/dxa.c libavcodec/eacmv.c libavcodec/eamad.c libavcodec/eatgq.c libavcodec/eatgv.c libavcodec/eatqi.c libavcodec/error_resilience.c libavcodec/escape124.c libavcodec/ffv1.h libavcodec/ffv1dec.c libavcodec/flicvideo.c libavcodec/fraps.c libavcodec/frwu.c libavcodec/g723_1.c libavcodec/gifdec.c libavcodec/h264.c libavcodec/h264.h libavcodec/h264_direct.c libavcodec/h264_loopfilter.c libavcodec/h264_refs.c libavcodec/huffyuvdec.c libavcodec/idcinvideo.c libavcodec/iff.c libavcodec/indeo2.c libavcodec/indeo3.c libavcodec/internal.h libavcodec/interplayvideo.c libavcodec/ivi_common.c libavcodec/jvdec.c libavcodec/kgv1dec.c libavcodec/kmvc.c libavcodec/lagarith.c libavcodec/libopenjpegdec.c libavcodec/mdec.c libavcodec/mimic.c libavcodec/mjpegbdec.c libavcodec/mjpegdec.c libavcodec/mmvideo.c libavcodec/motion_est.c libavcodec/motionpixels.c libavcodec/mpc7.c libavcodec/mpeg12.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/mpegvideo.h libavcodec/msrle.c libavcodec/msvideo1.c libavcodec/nuv.c libavcodec/options_table.h libavcodec/pcx.c libavcodec/pictordec.c libavcodec/pngdec.c libavcodec/pnmdec.c libavcodec/pthread.c libavcodec/qpeg.c libavcodec/qtrle.c libavcodec/r210dec.c libavcodec/rawdec.c libavcodec/roqvideodec.c libavcodec/rpza.c libavcodec/smacker.c libavcodec/smc.c libavcodec/svq1dec.c libavcodec/svq1enc.c libavcodec/targa.c libavcodec/tiertexseqv.c libavcodec/tiff.c libavcodec/tmv.c libavcodec/truemotion1.c libavcodec/truemotion2.c libavcodec/tscc.c libavcodec/ulti.c libavcodec/utils.c libavcodec/utvideodec.c libavcodec/v210dec.c libavcodec/v210x.c libavcodec/vb.c libavcodec/vble.c libavcodec/vcr1.c libavcodec/vmdav.c libavcodec/vmnc.c libavcodec/vp3.c libavcodec/vp56.c libavcodec/vp56.h libavcodec/vp6.c libavcodec/vqavideo.c libavcodec/wavpack.c libavcodec/xl.c libavcodec/xxan.c libavcodec/zmbv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
322 lines
9.8 KiB
C
322 lines
9.8 KiB
C
/*
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* Escape 130 Video Decoder
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* Copyright (C) 2008 Eli Friedman (eli.friedman <at> gmail.com)
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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 "avcodec.h"
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#define BITSTREAM_READER_LE
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#include "get_bits.h"
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#include "internal.h"
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typedef struct Escape130Context {
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AVFrame frame;
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uint8_t *bases;
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} Escape130Context;
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/**
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* Initialize the decoder
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* @param avctx decoder context
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* @return 0 success, negative on error
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*/
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static av_cold int escape130_decode_init(AVCodecContext *avctx)
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{
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Escape130Context *s = avctx->priv_data;
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avctx->pix_fmt = AV_PIX_FMT_YUV420P;
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avcodec_get_frame_defaults(&s->frame);
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if((avctx->width&1) || (avctx->height&1)){
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av_log(avctx, AV_LOG_ERROR, "Dimensions are not a multiple of the block size\n");
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return AVERROR(EINVAL);
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}
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s->bases= av_malloc(avctx->width * avctx->height /4);
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return 0;
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}
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static av_cold int escape130_decode_close(AVCodecContext *avctx)
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{
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Escape130Context *s = avctx->priv_data;
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av_frame_unref(&s->frame);
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av_freep(&s->bases);
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return 0;
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}
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static unsigned decode_skip_count(GetBitContext* gb) {
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unsigned value;
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// This function reads a maximum of 27 bits,
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// which is within the padding space
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if (get_bits_left(gb) < 1+3)
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return -1;
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value = get_bits1(gb);
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if (value)
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return 0;
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value = get_bits(gb, 3);
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if (value)
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return value;
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value = get_bits(gb, 8);
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if (value)
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return value + 7;
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value = get_bits(gb, 15);
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if (value)
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return value + 262;
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return -1;
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}
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/**
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* Decode a single frame
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* @param avctx decoder context
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* @param data decoded frame
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* @param got_frame have decoded frame
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* @param buf input buffer
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* @param buf_size input buffer size
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* @return 0 success, -1 on error
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*/
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static int escape130_decode_frame(AVCodecContext *avctx,
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void *data, int *got_frame,
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AVPacket *avpkt)
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{
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const uint8_t *buf = avpkt->data;
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int buf_size = avpkt->size;
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Escape130Context *s = avctx->priv_data;
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GetBitContext gb;
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unsigned i;
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int ret;
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uint8_t *old_y, *old_cb, *old_cr,
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*new_y, *new_cb, *new_cr;
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unsigned old_y_stride, old_cb_stride, old_cr_stride,
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new_y_stride, new_cb_stride, new_cr_stride;
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unsigned total_blocks = avctx->width * avctx->height / 4,
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block_index, row_index = 0;
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unsigned y[4] = {0}, cb = 16, cr = 16;
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unsigned skip = -1;
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unsigned y_base = 0;
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uint8_t *yb= s->bases;
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AVFrame *frame = data;
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init_get_bits(&gb, buf, buf_size * 8);
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if (get_bits_left(&gb) < 128)
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return -1;
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// Header; no useful information in here
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skip_bits_long(&gb, 128);
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if (ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF) < 0) {
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return -1;
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}
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new_y = frame->data[0];
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new_cb = frame->data[1];
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new_cr = frame->data[2];
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new_y_stride = frame->linesize[0];
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new_cb_stride = frame->linesize[1];
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new_cr_stride = frame->linesize[2];
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old_y = s->frame.data[0];
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old_cb = s->frame.data[1];
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old_cr = s->frame.data[2];
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old_y_stride = s->frame.linesize[0];
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old_cb_stride = s->frame.linesize[1];
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old_cr_stride = s->frame.linesize[2];
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av_log(avctx, AV_LOG_DEBUG,
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"Strides: %i, %i\n",
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new_y_stride, new_cb_stride);
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for (block_index = 0; block_index < total_blocks; block_index++) {
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// Note that this call will make us skip the rest of the blocks
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// if the frame prematurely ends
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if (skip == -1)
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skip = decode_skip_count(&gb);
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if (skip) {
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if (old_y) {
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y[0] = old_y[0] / 4;
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y[1] = old_y[1] / 4;
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y[2] = old_y[old_y_stride] / 4;
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y[3] = old_y[old_y_stride+1] / 4;
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y_base= yb[0];
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cb = old_cb[0] / 8;
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cr = old_cr[0] / 8;
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} else {
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y_base=y[0] = y[1] = y[2] = y[3] = 0;
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cb = cr = 16;
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}
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} else {
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if (get_bits1(&gb)) {
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static const uint8_t offset_table[] = {2, 4, 10, 20};
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static const int8_t sign_table[64][4] =
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{ {0, 0, 0, 0},
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{-1, 1, 0, 0},
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{1, -1, 0, 0},
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{-1, 0, 1, 0},
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{-1, 1, 1, 0},
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{0, -1, 1, 0},
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{1, -1, 1, 0},
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{-1, -1, 1, 0},
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{1, 0, -1, 0},
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{0, 1, -1, 0},
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{1, 1, -1, 0},
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{-1, 1, -1, 0},
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{1, -1, -1, 0},
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{-1, 0, 0, 1},
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{-1, 1, 0, 1},
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{0, -1, 0, 1},
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{0, 0, 0, 0},
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{1, -1, 0, 1},
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{-1, -1, 0, 1},
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{-1, 0, 1, 1},
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{-1, 1, 1, 1},
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{0, -1, 1, 1},
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{1, -1, 1, 1},
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{-1, -1, 1, 1},
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{0, 0, -1, 1},
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{1, 0, -1, 1},
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{-1, 0, -1, 1},
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{0, 1, -1, 1},
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{1, 1, -1, 1},
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{-1, 1, -1, 1},
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{0, -1, -1, 1},
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{1, -1, -1, 1},
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{0, 0, 0, 0},
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{-1, -1, -1, 1},
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{1, 0, 0, -1},
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{0, 1, 0, -1},
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{1, 1, 0, -1},
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{-1, 1, 0, -1},
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{1, -1, 0, -1},
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{0, 0, 1, -1},
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{1, 0, 1, -1},
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{-1, 0, 1, -1},
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{0, 1, 1, -1},
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{1, 1, 1, -1},
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{-1, 1, 1, -1},
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{0, -1, 1, -1},
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{1, -1, 1, -1},
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{-1, -1, 1, -1},
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{0, 0, 0, 0},
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{1, 0, -1, -1},
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{0, 1, -1, -1},
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{1, 1, -1, -1},
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{-1, 1, -1, -1},
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{1, -1, -1, -1} };
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unsigned sign_selector = get_bits(&gb, 6);
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unsigned difference_selector = get_bits(&gb, 2);
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y_base = 2 * get_bits(&gb, 5);
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for (i = 0; i < 4; i++) {
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y[i] = av_clip((int)y_base + offset_table[difference_selector] *
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sign_table[sign_selector][i], 0, 63);
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}
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} else if (get_bits1(&gb)) {
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if (get_bits1(&gb)) {
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y_base = get_bits(&gb, 6);
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} else {
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unsigned adjust_index = get_bits(&gb, 3);
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static const int8_t adjust[] = {-4, -3, -2, -1, 1, 2, 3, 4};
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y_base = (y_base + adjust[adjust_index]) & 63;
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}
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for (i = 0; i < 4; i++)
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y[i] = y_base;
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}
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if (get_bits1(&gb)) {
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if (get_bits1(&gb)) {
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cb = get_bits(&gb, 5);
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cr = get_bits(&gb, 5);
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} else {
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unsigned adjust_index = get_bits(&gb, 3);
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static const int8_t adjust[2][8] =
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{ { 1, 1, 0, -1, -1, -1, 0, 1 },
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{ 0, 1, 1, 1, 0, -1, -1, -1 } };
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cb = (cb + adjust[0][adjust_index]) & 31;
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cr = (cr + adjust[1][adjust_index]) & 31;
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}
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}
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}
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*yb++= y_base;
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new_y[0] = y[0] * 4;
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new_y[1] = y[1] * 4;
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new_y[new_y_stride] = y[2] * 4;
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new_y[new_y_stride + 1] = y[3] * 4;
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*new_cb = cb * 8;
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*new_cr = cr * 8;
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if (old_y)
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old_y += 2, old_cb++, old_cr++;
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new_y += 2, new_cb++, new_cr++;
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row_index++;
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if (avctx->width / 2 == row_index) {
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row_index = 0;
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if (old_y) {
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old_y += old_y_stride * 2 - avctx->width;
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old_cb += old_cb_stride - avctx->width / 2;
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old_cr += old_cr_stride - avctx->width / 2;
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}
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new_y += new_y_stride * 2 - avctx->width;
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new_cb += new_cb_stride - avctx->width / 2;
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new_cr += new_cr_stride - avctx->width / 2;
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}
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skip--;
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}
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av_log(avctx, AV_LOG_DEBUG,
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"Escape sizes: %i, %i\n",
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buf_size, get_bits_count(&gb) / 8);
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av_frame_unref(&s->frame);
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if ((ret = av_frame_ref(&s->frame, frame)) < 0)
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return ret;
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*got_frame = 1;
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return buf_size;
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}
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AVCodec ff_escape130_decoder = {
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.name = "escape130",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_ESCAPE130,
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.priv_data_size = sizeof(Escape130Context),
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.init = escape130_decode_init,
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.close = escape130_decode_close,
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.decode = escape130_decode_frame,
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.capabilities = CODEC_CAP_DR1,
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.long_name = NULL_IF_CONFIG_SMALL("Escape 130"),
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};
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