diff options
Diffstat (limited to 'libavformat/flacenc.h')
| -rw-r--r-- | libavformat/flacenc.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/libavformat/flacenc.h b/libavformat/flacenc.h index 748c68ea89..471376692a 100644 --- a/libavformat/flacenc.h +++ b/libavformat/flacenc.h @@ -22,9 +22,32 @@ #ifndef AVFORMAT_FLACENC_H #define AVFORMAT_FLACENC_H +#include "libavcodec/flac.h" +#include "libavcodec/bytestream.h" #include "avformat.h" -int ff_flac_write_header(ByteIOContext *pb, AVCodecContext *codec, - int last_block); +static int ff_flac_write_header(ByteIOContext *pb, AVCodecContext *codec, + int last_block) +{ + uint8_t header[8] = { + 0x66, 0x4C, 0x61, 0x43, 0x00, 0x00, 0x00, 0x22 + }; + uint8_t *streaminfo; + enum FLACExtradataFormat format; + + header[4] = last_block ? 0x80 : 0x00; + if (!ff_flac_is_extradata_valid(codec, &format, &streaminfo)) + return -1; + + /* write "fLaC" stream marker and first metadata block header if needed */ + if (format == FLAC_EXTRADATA_FORMAT_STREAMINFO) { + put_buffer(pb, header, 8); + } + + /* write STREAMINFO or full header */ + put_buffer(pb, codec->extradata, codec->extradata_size); + + return 0; +} #endif /* AVFORMAT_FLACENC_H */ |