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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. |
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| 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) |
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| 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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