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50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
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* RIFF codec tags
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* copyright (c) 2000 Fabrice Bellard
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*
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* This library 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 of the License, or (at your option) any later version.
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*
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* This library 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 this library; 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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#ifndef FF_RIFF_H
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#define FF_RIFF_H
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offset_t start_tag(ByteIOContext *pb, const char *tag);
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void end_tag(ByteIOContext *pb, offset_t start);
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typedef struct CodecTag {
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int id;
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unsigned int tag;
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unsigned int invalid_asf : 1;
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} CodecTag;
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void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf);
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int put_wav_header(ByteIOContext *pb, AVCodecContext *enc);
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int wav_codec_get_id(unsigned int tag, int bps);
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void get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size);
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extern const CodecTag codec_bmp_tags[];
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extern const CodecTag codec_wav_tags[];
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unsigned int codec_get_tag(const CodecTag *tags, int id);
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enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag);
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unsigned int codec_get_bmp_tag(int id);
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unsigned int codec_get_wav_tag(int id);
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enum CodecID codec_get_bmp_id(unsigned int tag);
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enum CodecID codec_get_wav_id(unsigned int tag);
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unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id);
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void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
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#endif
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