diff options
Diffstat (limited to 'lib/ffmpeg/libavcodec/flac.h')
| -rw-r--r-- | lib/ffmpeg/libavcodec/flac.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/ffmpeg/libavcodec/flac.h b/lib/ffmpeg/libavcodec/flac.h index 1b114635ec..fcd80996dc 100644 --- a/lib/ffmpeg/libavcodec/flac.h +++ b/lib/ffmpeg/libavcodec/flac.h @@ -28,11 +28,13 @@ #define AVCODEC_FLAC_H #include "avcodec.h" +#include "get_bits.h" #define FLAC_STREAMINFO_SIZE 34 #define FLAC_MAX_CHANNELS 8 #define FLAC_MIN_BLOCKSIZE 16 #define FLAC_MAX_BLOCKSIZE 65535 +#define FLAC_MIN_FRAME_SIZE 11 enum { FLAC_CHMODE_INDEPENDENT = 0, @@ -80,6 +82,11 @@ typedef struct FLACFrameInfo { FLACCOMMONINFO int blocksize; /**< block size of the frame */ int ch_mode; /**< channel decorrelation mode */ + int64_t frame_or_sample_num; /**< frame number or sample number */ + int is_var_size; /**< specifies if the stream uses variable + block sizes or a fixed block size; + also determines the meaning of + frame_or_sample_num */ } FLACFrameInfo; /** @@ -120,4 +127,14 @@ void ff_flac_parse_block_header(const uint8_t *block_header, */ int ff_flac_get_max_frame_size(int blocksize, int ch, int bps); +/** + * Validate and decode a frame header. + * @param avctx AVCodecContext to use as av_log() context + * @param gb GetBitContext from which to read frame header + * @param[out] fi frame information + * @param log_level_offset log level offset. can be used to silence error messages. + * @return non-zero on error, 0 if ok + */ +int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb, + FLACFrameInfo *fi, int log_level_offset); #endif /* AVCODEC_FLAC_H */ |