36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
#ifndef _webm_vpx_h_
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#define _webm_vpx_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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// VP8/VP9/VP10
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struct webm_vpx_t
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{
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uint8_t profile;
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uint8_t level;
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uint8_t bit_depth;
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uint8_t chroma_subsampling; // 0-4:2:0 vertical, 1-4:2:0 colocated with luma (0,0), 2-4:2:2, 3-4:4:4
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uint8_t video_full_range_flag; // 0 = legal range (e.g. 16-235 for 8 bit sample depth); 1 = full range (e.g. 0-255 for 8-bit sample depth)
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uint8_t colour_primaries; // ISO/IEC 23001-8:2016
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uint8_t transfer_characteristics;
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uint8_t matrix_coefficients;
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uint16_t codec_intialization_data_size; // must be 0
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uint8_t codec_intialization_data[1]; // not used for VP8 and VP9
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};
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int webm_vpx_codec_configuration_record_load(const uint8_t* data, size_t bytes, struct webm_vpx_t* vpx);
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int webm_vpx_codec_configuration_record_save(const struct webm_vpx_t* vpx, uint8_t* data, size_t bytes);
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int webm_vpx_codec_configuration_record_from_vp8(struct webm_vpx_t* vpx, int* width, int* height, const void* keyframe, size_t bytes);
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int webm_vpx_codec_configuration_record_from_vp9(struct webm_vpx_t* vpx, int* width, int* height, const void* keyframe, size_t bytes);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* !_webm_vpx_h_ */
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