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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>
193 lines
6.0 KiB
C
193 lines
6.0 KiB
C
/*
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* Quicktime Planar RGB (8BPS) Video Decoder
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* Copyright (C) 2003 Roberto Togni
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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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* @file
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* QT 8BPS Video Decoder by Roberto Togni
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* For more information about the 8BPS format, visit:
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* http://www.pcisys.net/~melanson/codecs/
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*
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* Supports: PAL8 (RGB 8bpp, paletted)
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* : BGR24 (RGB 24bpp) (can also output it as RGB32)
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* : RGB32 (RGB 32bpp, 4th plane is alpha)
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libavutil/internal.h"
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#include "libavutil/intreadwrite.h"
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#include "avcodec.h"
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#include "internal.h"
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static const enum AVPixelFormat pixfmt_rgb24[] = {
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AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE };
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typedef struct EightBpsContext {
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AVCodecContext *avctx;
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unsigned char planes;
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unsigned char planemap[4];
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uint32_t pal[256];
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} EightBpsContext;
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static int decode_frame(AVCodecContext *avctx, void *data,
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int *got_frame, AVPacket *avpkt)
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{
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AVFrame *frame = data;
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const uint8_t *buf = avpkt->data;
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int buf_size = avpkt->size;
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EightBpsContext * const c = avctx->priv_data;
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const unsigned char *encoded = buf;
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unsigned char *pixptr, *pixptr_end;
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unsigned int height = avctx->height; // Real image height
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unsigned int dlen, p, row;
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const unsigned char *lp, *dp;
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unsigned char count;
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unsigned int planes = c->planes;
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unsigned char *planemap = c->planemap;
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int ret;
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if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return ret;
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}
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/* Set data pointer after line lengths */
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dp = encoded + planes * (height << 1);
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for (p = 0; p < planes; p++) {
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/* Lines length pointer for this plane */
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lp = encoded + p * (height << 1);
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/* Decode a plane */
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for (row = 0; row < height; row++) {
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pixptr = frame->data[0] + row * frame->linesize[0] + planemap[p];
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pixptr_end = pixptr + frame->linesize[0];
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if(lp - encoded + row*2 + 1 >= buf_size)
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return -1;
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dlen = av_be2ne16(*(const unsigned short *)(lp + row * 2));
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/* Decode a row of this plane */
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while (dlen > 0) {
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if (dp + 1 >= buf + buf_size)
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return AVERROR_INVALIDDATA;
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if ((count = *dp++) <= 127) {
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count++;
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dlen -= count + 1;
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if (pixptr + count * planes > pixptr_end)
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break;
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if (dp + count > buf + buf_size)
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return AVERROR_INVALIDDATA;
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while (count--) {
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*pixptr = *dp++;
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pixptr += planes;
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}
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} else {
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count = 257 - count;
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if (pixptr + count * planes > pixptr_end)
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break;
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while (count--) {
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*pixptr = *dp;
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pixptr += planes;
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}
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dp++;
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dlen -= 2;
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}
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}
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}
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}
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if (avctx->bits_per_coded_sample <= 8) {
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const uint8_t *pal = av_packet_get_side_data(avpkt,
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AV_PKT_DATA_PALETTE,
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NULL);
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if (pal) {
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frame->palette_has_changed = 1;
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memcpy(c->pal, pal, AVPALETTE_SIZE);
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}
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memcpy (frame->data[1], c->pal, AVPALETTE_SIZE);
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}
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*got_frame = 1;
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/* always report that the buffer was completely consumed */
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return buf_size;
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}
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static av_cold int decode_init(AVCodecContext *avctx)
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{
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EightBpsContext * const c = avctx->priv_data;
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c->avctx = avctx;
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switch (avctx->bits_per_coded_sample) {
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case 8:
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avctx->pix_fmt = AV_PIX_FMT_PAL8;
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c->planes = 1;
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c->planemap[0] = 0; // 1st plane is palette indexes
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break;
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case 24:
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avctx->pix_fmt = avctx->get_format(avctx, pixfmt_rgb24);
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c->planes = 3;
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c->planemap[0] = 2; // 1st plane is red
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c->planemap[1] = 1; // 2nd plane is green
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c->planemap[2] = 0; // 3rd plane is blue
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break;
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case 32:
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avctx->pix_fmt = AV_PIX_FMT_RGB32;
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c->planes = 4;
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#if HAVE_BIGENDIAN
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c->planemap[0] = 1; // 1st plane is red
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c->planemap[1] = 2; // 2nd plane is green
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c->planemap[2] = 3; // 3rd plane is blue
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c->planemap[3] = 0; // 4th plane is alpha
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#else
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c->planemap[0] = 2; // 1st plane is red
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c->planemap[1] = 1; // 2nd plane is green
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c->planemap[2] = 0; // 3rd plane is blue
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c->planemap[3] = 3; // 4th plane is alpha
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#endif
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "Error: Unsupported color depth: %u.\n",
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avctx->bits_per_coded_sample);
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return AVERROR_INVALIDDATA;
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}
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return 0;
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}
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AVCodec ff_eightbps_decoder = {
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.name = "8bps",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_8BPS,
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.priv_data_size = sizeof(EightBpsContext),
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.init = decode_init,
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.decode = decode_frame,
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.capabilities = CODEC_CAP_DR1,
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.long_name = NULL_IF_CONFIG_SMALL("QuickTime 8BPS video"),
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};
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