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64 lines
2.0 KiB
64 lines
2.0 KiB
/* |
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* MJPEG encoder |
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* Copyright (c) 2000, 2001 Fabrice Bellard |
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* Copyright (c) 2003 Alex Beregszaszi |
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* Copyright (c) 2003-2004 Michael Niedermayer |
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* |
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* Support for external huffman table, various fixes (AVID workaround), |
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* aspecting, new decode_frame mechanism and apple mjpeg-b support |
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* by Alex Beregszaszi |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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* MJPEG encoder. |
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*/ |
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#ifndef AVCODEC_MJPEGENC_H |
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#define AVCODEC_MJPEGENC_H |
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#include <stdint.h> |
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#include "mjpeg.h" |
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#include "mpegvideo.h" |
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#include "put_bits.h" |
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typedef struct MJpegContext { |
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uint8_t huff_size_dc_luminance[12]; //FIXME use array [3] instead of lumi / chroma, for easier addressing |
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uint16_t huff_code_dc_luminance[12]; |
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uint8_t huff_size_dc_chrominance[12]; |
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uint16_t huff_code_dc_chrominance[12]; |
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uint8_t huff_size_ac_luminance[256]; |
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uint16_t huff_code_ac_luminance[256]; |
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uint8_t huff_size_ac_chrominance[256]; |
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uint16_t huff_code_ac_chrominance[256]; |
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} MJpegContext; |
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static inline void put_marker(PutBitContext *p, enum JpegMarker code) |
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{ |
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put_bits(p, 8, 0xff); |
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put_bits(p, 8, code); |
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} |
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int ff_mjpeg_encode_init(MpegEncContext *s); |
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void ff_mjpeg_encode_close(MpegEncContext *s); |
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void ff_mjpeg_encode_mb(MpegEncContext *s, int16_t block[8][64]); |
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#endif /* AVCODEC_MJPEGENC_H */
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