55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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#ifndef _aom_av1_h_
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#define _aom_av1_h_
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#include <stdint.h>
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#include <stddef.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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struct aom_av1_t
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{
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uint32_t marker : 1;
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uint32_t version : 7;
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uint32_t seq_profile : 3;
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uint32_t seq_level_idx_0 : 5;
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uint32_t seq_tier_0 : 1;
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uint32_t high_bitdepth : 1;
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uint32_t twelve_bit : 1;
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uint32_t monochrome : 1;
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uint32_t chroma_subsampling_x : 1;
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uint32_t chroma_subsampling_y : 1;
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uint32_t chroma_sample_position : 2;
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uint32_t reserved : 3;
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uint32_t initial_presentation_delay_present : 1;
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uint32_t initial_presentation_delay_minus_one : 4;
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uint8_t buffer_delay_length_minus_1; // decoder_model_info
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uint32_t width; // max_frame_width_minus_1
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uint32_t height; // max_frame_height_minus_1
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uint16_t bytes;
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uint8_t data[2 * 1024];
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};
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/// Create av1 codec configuration record from Sequence Header OBU
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/// @param[in] data av1 low overhead bitstream format
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/// @return 0-ok, other-error
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int aom_av1_codec_configuration_record_init(struct aom_av1_t* av1, const void* data, size_t bytes);
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int aom_av1_codec_configuration_record_load(const uint8_t* data, size_t bytes, struct aom_av1_t* av1);
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int aom_av1_codec_configuration_record_save(const struct aom_av1_t* av1, uint8_t* data, size_t bytes);
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/// @param[in] data av1 split low overhead/annexb bitstream format to obu
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int aom_av1_obu_split(const uint8_t* data, size_t bytes, int (*handler)(void* param, const uint8_t* obu, size_t bytes), void* param);
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int aom_av1_annexb_split(const uint8_t* data, size_t bytes, int (*handler)(void* param, const uint8_t* obu, size_t bytes), void* param);
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int aom_av1_codecs(const struct aom_av1_t* av1, char* codecs, size_t bytes);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* !_aom_av1_h_ */
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