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Side by Side Diff: patched-ffmpeg-mt/libavcodec/vc1dec.c

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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1 /* 1 /*
2 * VC-1 and WMV3 decoder 2 * VC-1 and WMV3 decoder
3 * Copyright (c) 2006-2007 Konstantin Shishkov 3 * Copyright (c) 2006-2007 Konstantin Shishkov
4 * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermay er 4 * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermay er
5 * 5 *
6 * This file is part of FFmpeg. 6 * This file is part of FFmpeg.
7 * 7 *
8 * FFmpeg is free software; you can redistribute it and/or 8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
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22 22
23 /** 23 /**
24 * @file libavcodec/vc1dec.c 24 * @file libavcodec/vc1dec.c
25 * VC-1 and WMV3 decoder 25 * VC-1 and WMV3 decoder
26 * 26 *
27 */ 27 */
28 #include "internal.h" 28 #include "internal.h"
29 #include "dsputil.h" 29 #include "dsputil.h"
30 #include "avcodec.h" 30 #include "avcodec.h"
31 #include "mpegvideo.h" 31 #include "mpegvideo.h"
32 #include "h263.h"
32 #include "vc1.h" 33 #include "vc1.h"
33 #include "vc1data.h" 34 #include "vc1data.h"
34 #include "vc1acdata.h" 35 #include "vc1acdata.h"
35 #include "msmpeg4data.h" 36 #include "msmpeg4data.h"
36 #include "unary.h" 37 #include "unary.h"
37 #include "simple_idct.h" 38 #include "simple_idct.h"
38 #include "mathops.h" 39 #include "mathops.h"
39 #include "vdpau_internal.h" 40 #include "vdpau_internal.h"
40 41
41 #undef NDEBUG 42 #undef NDEBUG
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2986 avctx->pix_fmt = PIX_FMT_GRAY8; 2987 avctx->pix_fmt = PIX_FMT_GRAY8;
2987 avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt); 2988 avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt);
2988 v->s.avctx = avctx; 2989 v->s.avctx = avctx;
2989 avctx->flags |= CODEC_FLAG_EMU_EDGE; 2990 avctx->flags |= CODEC_FLAG_EMU_EDGE;
2990 v->s.flags |= CODEC_FLAG_EMU_EDGE; 2991 v->s.flags |= CODEC_FLAG_EMU_EDGE;
2991 2992
2992 if(avctx->idct_algo==FF_IDCT_AUTO){ 2993 if(avctx->idct_algo==FF_IDCT_AUTO){
2993 avctx->idct_algo=FF_IDCT_WMV2; 2994 avctx->idct_algo=FF_IDCT_WMV2;
2994 } 2995 }
2995 2996
2996 if(ff_h263_decode_init(avctx) < 0) 2997 if(ff_msmpeg4_decode_init(avctx) < 0)
2997 return -1; 2998 return -1;
2998 if (vc1_init_common(v) < 0) return -1; 2999 if (vc1_init_common(v) < 0) return -1;
2999 // only for ff_msmp4_mb_i_table
3000 if (ff_msmpeg4_decode_init(avctx) < 0) return -1;
3001 3000
3002 avctx->coded_width = avctx->width; 3001 avctx->coded_width = avctx->width;
3003 avctx->coded_height = avctx->height; 3002 avctx->coded_height = avctx->height;
3004 if (avctx->codec_id == CODEC_ID_WMV3) 3003 if (avctx->codec_id == CODEC_ID_WMV3)
3005 { 3004 {
3006 int count = 0; 3005 int count = 0;
3007 3006
3008 // looks like WMV3 has a sequence header stored in the extradata 3007 // looks like WMV3 has a sequence header stored in the extradata
3009 // advanced sequence header may be before the first frame 3008 // advanced sequence header may be before the first frame
3010 // the last byte of the extradata is a version number, 1 for the 3009 // the last byte of the extradata is a version number, 1 for the
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3376 vc1_decode_init, 3375 vc1_decode_init,
3377 NULL, 3376 NULL,
3378 vc1_decode_end, 3377 vc1_decode_end,
3379 vc1_decode_frame, 3378 vc1_decode_frame,
3380 CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, 3379 CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
3381 NULL, 3380 NULL,
3382 .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1 VDPAU"), 3381 .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1 VDPAU"),
3383 .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_VC1, PIX_FMT_NONE} 3382 .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_VC1, PIX_FMT_NONE}
3384 }; 3383 };
3385 #endif 3384 #endif
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