#include "avio.h"
+typedef struct AV1SequenceParameters {
+ uint8_t profile;
+ uint8_t level;
+ uint8_t tier;
+ uint8_t bitdepth;
+ 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.
*/
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.
*
- * @param pb pointer to the AVIOContext where the hvcC shall be written
+ * @param pb pointer to the AVIOContext where the av1C box shall be written
* @param buf input data buffer
* @param size size in bytes of the input data buffer
*