diff options
Diffstat (limited to 'libavformat/riff.h')
| -rw-r--r-- | libavformat/riff.h | 51 |
1 files changed, 37 insertions, 14 deletions
diff --git a/libavformat/riff.h b/libavformat/riff.h index 5bac95a853..3b57bb45d3 100644 --- a/libavformat/riff.h +++ b/libavformat/riff.h @@ -2,20 +2,20 @@ * RIFF common functions and data * copyright (c) 2000 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -43,14 +43,33 @@ void ff_end_tag(AVIOContext *pb, int64_t start); * bits_per_encoded_sample fields. Does not read extradata. * @return codec tag */ -int ff_get_bmp_header(AVIOContext *pb, AVStream *st); +int ff_get_bmp_header(AVIOContext *pb, AVStream *st, unsigned *esize); + +void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf, int ignore_extradata); + +/** + * Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs. + */ +#define FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX 0x00000001 + +/** + * Tell ff_put_wav_header() to write an empty channel mask. + */ +#define FF_PUT_WAV_HEADER_SKIP_CHANNELMASK 0x00000002 + +/** + * Write WAVEFORMAT header structure. + * + * @param flags a combination of FF_PUT_WAV_HEADER_* constants + * + * @return the size or -1 on error + */ +int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc, int flags); -void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf); -int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc); enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps); -int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int size); +int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int size, int big_endian); -extern const AVCodecTag ff_codec_bmp_tags[]; +extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags() extern const AVCodecTag ff_codec_wav_tags[]; void ff_parse_specific_params(AVStream *st, int *au_rate, int *au_ssize, int *au_scale); @@ -77,24 +96,28 @@ typedef struct AVCodecGuid { extern const AVCodecGuid ff_codec_wav_guids[]; #define FF_PRI_GUID \ - "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" + "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x " \ + "{%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x}" #define FF_ARG_GUID(g) \ 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],\ + g[3], g[2], g[1], g[0], g[5], g[4], g[7], g[6], \ g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15] #define FF_MEDIASUBTYPE_BASE_GUID \ 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 +#define FF_AMBISONIC_BASE_GUID \ + 0x21, 0x07, 0xD3, 0x11, 0x86, 0x44, 0xC8, 0xC1, 0xCA, 0x00, 0x00, 0x00 static av_always_inline int ff_guidcmp(const void *g1, const void *g2) { return memcmp(g1, g2, sizeof(ff_asf_guid)); } -static av_always_inline int ff_get_guid(AVIOContext *s, ff_asf_guid *g) -{ - return avio_read(s, *g, sizeof(*g)); -} +int ff_get_guid(AVIOContext *s, ff_asf_guid *g); +void ff_put_guid(AVIOContext *s, const ff_asf_guid *g); +const ff_asf_guid *ff_get_codec_guid(enum AVCodecID id, const AVCodecGuid *av_guid); enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid); |