3 * copyright (c) 2000 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * internal header for RIFF based (de)muxers
25 * do NOT include this in end user applications
28 #ifndef AVFORMAT_RIFF_H
29 #define AVFORMAT_RIFF_H
31 #include "libavcodec/avcodec.h"
36 extern const AVMetadataConv ff_riff_info_conv[];
37 extern const char ff_riff_tags[][5];
39 int64_t ff_start_tag(AVIOContext *pb, const char *tag);
40 void ff_end_tag(AVIOContext *pb, int64_t start);
43 * Read BITMAPINFOHEADER structure and set AVStream codec width, height and
44 * bits_per_encoded_sample fields. Does not read extradata.
47 int ff_get_bmp_header(AVIOContext *pb, AVStream *st);
49 void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf);
50 int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc);
51 enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps);
52 int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
54 extern const AVCodecTag ff_codec_bmp_tags[];
55 extern const AVCodecTag ff_codec_wav_tags[];
57 unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum CodecID id);
58 enum CodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag);
59 void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
61 typedef uint8_t ff_asf_guid[16];
63 int ff_read_riff_info(AVFormatContext *s, int64_t size);
66 "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
67 #define FF_ARG_GUID(g) \
68 g[0],g[1],g[2],g[3],g[4],g[5],g[6],g[7],g[8],g[9],g[10],g[11],g[12],g[13],g[14],g[15]
70 static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
72 return memcmp(g1, g2, sizeof(ff_asf_guid));
75 void ff_get_guid(AVIOContext *s, ff_asf_guid *g);
82 enum CodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid);
84 extern const AVCodecGuid ff_codec_wav_guids[];
86 #define FF_MEDIASUBTYPE_BASE_GUID \
87 0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71
89 #endif /* AVFORMAT_RIFF_H */