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Side by Side Diff: patched-ffmpeg-mt/libavcodec/eamad.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 * Electronic Arts Madcow Video Decoder 2 * Electronic Arts Madcow Video Decoder
3 * Copyright (c) 2007-2009 Peter Ross 3 * Copyright (c) 2007-2009 Peter Ross
4 * 4 *
5 * This file is part of FFmpeg. 5 * This file is part of FFmpeg.
6 * 6 *
7 * FFmpeg is free software; you can redistribute it and/or 7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either 9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version. 10 * version 2.1 of the License, or (at your option) any later version.
(...skipping 28 matching lines...) Expand all
39 #define MADk_TAG MKTAG('M', 'A', 'D', 'k') /* MAD i-frame */ 39 #define MADk_TAG MKTAG('M', 'A', 'D', 'k') /* MAD i-frame */
40 #define MADm_TAG MKTAG('M', 'A', 'D', 'm') /* MAD p-frame */ 40 #define MADm_TAG MKTAG('M', 'A', 'D', 'm') /* MAD p-frame */
41 #define MADe_TAG MKTAG('M', 'A', 'D', 'e') /* MAD lqp-frame */ 41 #define MADe_TAG MKTAG('M', 'A', 'D', 'e') /* MAD lqp-frame */
42 42
43 typedef struct MadContext { 43 typedef struct MadContext {
44 MpegEncContext s; 44 MpegEncContext s;
45 AVFrame frame; 45 AVFrame frame;
46 AVFrame last_frame; 46 AVFrame last_frame;
47 void *bitstream_buf; 47 void *bitstream_buf;
48 unsigned int bitstream_buf_size; 48 unsigned int bitstream_buf_size;
49 DECLARE_ALIGNED_16(DCTELEM, block)[64]; 49 DECLARE_ALIGNED(16, DCTELEM, block)[64];
50 } MadContext; 50 } MadContext;
51 51
52 static void bswap16_buf(uint16_t *dst, const uint16_t *src, int count) 52 static void bswap16_buf(uint16_t *dst, const uint16_t *src, int count)
53 { 53 {
54 int i; 54 int i;
55 for (i=0; i<count; i++) 55 for (i=0; i<count; i++)
56 dst[i] = bswap_16(src[i]); 56 dst[i] = bswap_16(src[i]);
57 } 57 }
58 58
59 static av_cold int decode_init(AVCodecContext *avctx) 59 static av_cold int decode_init(AVCodecContext *avctx)
(...skipping 250 matching lines...) Expand 10 before | Expand all | Expand 10 after
310 CODEC_TYPE_VIDEO, 310 CODEC_TYPE_VIDEO,
311 CODEC_ID_MAD, 311 CODEC_ID_MAD,
312 sizeof(MadContext), 312 sizeof(MadContext),
313 decode_init, 313 decode_init,
314 NULL, 314 NULL,
315 decode_end, 315 decode_end,
316 decode_frame, 316 decode_frame,
317 CODEC_CAP_DR1, 317 CODEC_CAP_DR1,
318 .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts Madcow Video") 318 .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts Madcow Video")
319 }; 319 };
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