X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Friff.h;h=761f92ed8f48f129765118a1f8b74db03952aff9;hb=42c7c61ab25809620b8c8809b3da73e25f5bbaaf;hp=876c22f31b55f2e0b6ea8e0cb053929421fa80a9;hpb=bc2d2a07d5bf1b6d13b16e106413c7e62979dcc1;p=ffmpeg diff --git a/libavformat/riff.h b/libavformat/riff.h index 876c22f31b5..761f92ed8f4 100644 --- a/libavformat/riff.h +++ b/libavformat/riff.h @@ -1,26 +1,26 @@ /* - * RIFF codec tags + * RIFF common functions and data * copyright (c) 2000 Fabrice Bellard * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file libavformat/riff.h + * @file * internal header for RIFF based (de)muxers * do NOT include this in end user applications */ @@ -30,25 +30,42 @@ #include "libavcodec/avcodec.h" #include "avio.h" +#include "internal.h" +#include "metadata.h" -int64_t ff_start_tag(ByteIOContext *pb, const char *tag); -void ff_end_tag(ByteIOContext *pb, int64_t start); +extern const AVMetadataConv ff_riff_info_conv[]; +extern const char ff_riff_tags[][5]; -typedef struct AVCodecTag { - enum CodecID id; - unsigned int tag; -} AVCodecTag; +int64_t ff_start_tag(AVIOContext *pb, const char *tag); +void ff_end_tag(AVIOContext *pb, int64_t start); -void ff_put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf); -int ff_put_wav_header(ByteIOContext *pb, AVCodecContext *enc); -enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps); -void ff_get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size); +/** + * Read BITMAPINFOHEADER structure and set AVStream codec width, height and + * bits_per_encoded_sample fields. Does not read extradata. + * @return codec tag + */ +int ff_get_bmp_header(AVIOContext *pb, AVStream *st); + +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(AVIOContext *pb, AVCodecContext *codec, int size); extern const AVCodecTag ff_codec_bmp_tags[]; extern const AVCodecTag ff_codec_wav_tags[]; -unsigned int ff_codec_get_tag(const AVCodecTag *tags, int id); -enum CodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag); void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale); +int ff_read_riff_info(AVFormatContext *s, int64_t size); + +/** + * Write all recognized RIFF tags from s->metadata + */ +void ff_riff_write_info(AVFormatContext *s); + +/** + * Write a single RIFF info tag + */ +void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str); + #endif /* AVFORMAT_RIFF_H */