2006-09-10 16:02:42 +02:00
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/*
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2011-11-25 20:29:12 +01:00
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* RIFF common functions and data
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2006-09-10 16:02:42 +02:00
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* copyright (c) 2000 Fabrice Bellard
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*
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2006-10-07 17:30:46 +02:00
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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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2006-09-10 16:02:42 +02:00
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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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2006-10-07 17:30:46 +02:00
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* version 2.1 of the License, or (at your option) any later version.
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2006-09-10 16:02:42 +02:00
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*
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2006-10-07 17:30:46 +02:00
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* FFmpeg is distributed in the hope that it will be useful,
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2006-09-10 16:02:42 +02:00
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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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2006-10-07 17:30:46 +02:00
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* License along with FFmpeg; if not, write to the Free Software
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2006-09-10 16:02:42 +02:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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2007-01-21 02:39:17 +01:00
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/**
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2010-04-20 16:45:34 +02:00
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* @file
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2007-01-21 02:39:17 +01:00
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* internal header for RIFF based (de)muxers
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* do NOT include this in end user applications
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*/
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2008-08-31 09:39:47 +02:00
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#ifndef AVFORMAT_RIFF_H
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#define AVFORMAT_RIFF_H
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2006-07-12 02:09:34 +02:00
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2008-05-09 13:56:36 +02:00
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#include "libavcodec/avcodec.h"
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2007-06-17 00:59:13 +02:00
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#include "avio.h"
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2010-05-22 18:01:32 +02:00
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#include "internal.h"
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2011-11-24 21:02:43 +01:00
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#include "metadata.h"
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extern const AVMetadataConv ff_riff_info_conv[];
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2007-06-17 00:59:13 +02:00
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2011-02-20 11:04:12 +01:00
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int64_t ff_start_tag(AVIOContext *pb, const char *tag);
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void ff_end_tag(AVIOContext *pb, int64_t start);
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2006-07-12 02:09:34 +02:00
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2010-12-26 02:23:44 +01:00
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/**
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* Read BITMAPINFOHEADER structure and set AVStream codec width, height and
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* bits_per_encoded_sample fields. Does not read extradata.
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* @return codec tag
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*/
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2012-05-31 00:46:02 +02:00
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int ff_get_bmp_header(AVIOContext *pb, AVStream *st, unsigned *esize);
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2010-12-26 02:23:44 +01:00
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2013-12-23 10:37:00 +01:00
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void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf, int ignore_extradata);
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2014-04-30 04:26:05 +02:00
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/**
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* Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs.
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*/
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#define FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX 0x00000001
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/**
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* Write WAVEFORMAT header structure.
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*
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* @param flags a combination of FF_PUT_WAV_HEADER_* constants
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*
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* @return the size or -1 on error
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*/
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int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc, int flags);
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2012-08-05 11:11:04 +02:00
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enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps);
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2011-04-12 17:44:20 +02:00
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int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
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2006-07-12 02:09:34 +02:00
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2013-02-14 20:00:30 +01:00
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extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags()
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2009-06-23 01:09:34 +02:00
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extern const AVCodecTag ff_codec_wav_tags[];
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2006-07-12 02:09:34 +02:00
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void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
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2011-11-24 21:02:43 +01:00
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int ff_read_riff_info(AVFormatContext *s, int64_t size);
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2011-11-25 20:29:12 +01:00
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/**
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* Write all recognized RIFF tags from s->metadata
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*/
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void ff_riff_write_info(AVFormatContext *s);
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/**
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* Write a single RIFF info tag
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*/
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void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str);
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2011-04-05 12:36:46 +02:00
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typedef uint8_t ff_asf_guid[16];
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2013-04-20 13:36:45 +02:00
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typedef struct AVCodecGuid {
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enum AVCodecID id;
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ff_asf_guid guid;
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} AVCodecGuid;
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extern const AVCodecGuid ff_codec_wav_guids[];
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2011-11-24 21:02:43 +01:00
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2011-04-05 12:36:55 +02:00
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#define FF_PRI_GUID \
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
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2013-04-20 13:36:45 +02:00
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2011-04-05 12:36:55 +02:00
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#define FF_ARG_GUID(g) \
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2013-04-20 13:36:45 +02:00
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g[0], g[1], g[2], g[3], g[4], g[5], g[6], g[7], \
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g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15]
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#define FF_MEDIASUBTYPE_BASE_GUID \
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0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71
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2011-04-05 12:36:55 +02:00
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2011-04-05 12:36:46 +02:00
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static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
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{
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return memcmp(g1, g2, sizeof(ff_asf_guid));
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}
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2014-02-12 15:51:38 +01:00
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int ff_get_guid(AVIOContext *s, ff_asf_guid *g);
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2014-01-29 00:44:59 +01:00
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void ff_put_guid(AVIOContext *s, const ff_asf_guid *g);
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const ff_asf_guid *get_codec_guid(enum AVCodecID id, const AVCodecGuid *av_guid);
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2011-04-05 12:36:46 +02:00
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2012-08-07 23:57:21 +02:00
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enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid);
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2011-04-05 12:36:55 +02:00
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2008-08-31 09:39:47 +02:00
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#endif /* AVFORMAT_RIFF_H */
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