diff options
Diffstat (limited to 'libavformat/av1.h')
| -rw-r--r-- | libavformat/av1.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libavformat/av1.h b/libavformat/av1.h index dc872e5c59..e3ee667eb3 100644 --- a/libavformat/av1.h +++ b/libavformat/av1.h @@ -25,6 +25,23 @@ #include "avio.h" +typedef struct AV1SequenceParameters { + uint8_t seq_profile; + uint8_t seq_level_idx_0; + uint8_t seq_tier_0; + uint8_t high_bitdepth; + uint8_t twelve_bit; + uint8_t monochrome; + uint8_t chroma_subsampling_x; + uint8_t chroma_subsampling_y; + uint8_t chroma_sample_position; + uint8_t color_description_present_flag; + uint8_t color_primaries; + uint8_t transfer_characteristics; + uint8_t matrix_coefficients; + uint8_t color_range; +} AV1SequenceParameters; + /** * Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and write * the resulting bitstream to the provided AVIOContext. @@ -56,6 +73,18 @@ int ff_av1_filter_obus(AVIOContext *pb, const uint8_t *buf, int size); int ff_av1_filter_obus_buf(const uint8_t *buf, uint8_t **out, int *size); /** + * Parses a Sequence Header from the the provided buffer. + * + * @param seq pointer to the AV1SequenceParameters where the parsed values will + * be written + * @param buf input data buffer + * @param size size in bytes of the input data buffer + * + * @return >= 0 in case of success, a negative AVERROR code in case of failure + */ +int ff_av1_parse_seq_header(AV1SequenceParameters *seq, const uint8_t *buf, int size); + +/** * Writes AV1 extradata (Sequence Header and Metadata OBUs) to the provided * AVIOContext. * |