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https://gitee.com/openharmony/third_party_ffmpeg
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de31814ab0
* commit 'b522000e9b2ca36fe5b2751096b9a5f5ed8f87e6': avio: introduce avio_closep mpegtsenc: set muxing type notification to verbose vc1dec: Use correct spelling of "opposite" a64multienc: change mc_frame_counter to unsigned arm: call arm-specific rv34dsp init functions under if (ARCH_ARM) svq1: Drop a bunch of useless parentheses parseutils-test: do not print numerical error codes svq1: K&R formatting cosmetics Conflicts: doc/APIchanges libavcodec/svq1dec.c libavcodec/svq1enc.c libavformat/version.h libavutil/parseutils.c tests/ref/fate/parseutils Merged-by: Michael Niedermayer <michaelni@gmx.at>
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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* SVQ1 decoder
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* ported to MPlayer by Arpi <arpi@thot.banki.hu>
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* ported to libavcodec by Nick Kurshev <nickols_k@mail.ru>
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*
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* Copyright (C) 2002 the xine project
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* Copyright (C) 2002 the ffmpeg project
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*
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* SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net>
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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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* Sorenson Vector Quantizer #1 (SVQ1) video codec.
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* For more information of the SVQ1 algorithm, visit:
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* http://www.pcisys.net/~melanson/codecs/
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*/
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#ifndef AVCODEC_SVQ1_H
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#define AVCODEC_SVQ1_H
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#include <stdint.h>
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#define SVQ1_BLOCK_SKIP 0
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#define SVQ1_BLOCK_INTER 1
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#define SVQ1_BLOCK_INTER_4V 2
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#define SVQ1_BLOCK_INTRA 3
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struct svq1_frame_size {
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uint16_t width;
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uint16_t height;
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};
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uint16_t ff_svq1_packet_checksum(const uint8_t *data,
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const int length, int value);
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extern const int8_t *const ff_svq1_inter_codebooks[6];
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extern const int8_t *const ff_svq1_intra_codebooks[6];
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extern const uint8_t ff_svq1_block_type_vlc[4][2];
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extern const uint8_t ff_svq1_intra_multistage_vlc[6][8][2];
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extern const uint8_t ff_svq1_inter_multistage_vlc[6][8][2];
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extern const uint16_t ff_svq1_intra_mean_vlc[256][2];
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extern const uint16_t ff_svq1_inter_mean_vlc[512][2];
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extern const struct svq1_frame_size ff_svq1_frame_size_table[7];
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#endif /* AVCODEC_SVQ1_H */
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