Quoting Zhao Zhili (2024-12-11 05:23:31)
> @@ -95,6 +96,18 @@ typedef struct HEVCSEITDRDI {
> uint8_t three_dimensional_reference_displays_extension_flag;
> } HEVCSEITDRDI;
>
> +typedef struct HEVCSEIAlphaChannelInfo {
> + bool has_alpha_channel_info;
> + uint8_t alpha_channel_cancel_flag;
> + uint8_t alpha_channel_use_idc;
> + uint8_t alpha_channel_bit_depth_minus8;
> + uint16_t alpha_transparent_value;
> + uint16_t alpha_opaque_value;
> + uint8_t alpha_channel_incr_flag;
> + uint8_t alpha_channel_clip_flag;
> + uint8_t alpha_channel_clip_type_flag;
We generally prefer not to duplicate the bitstream values/spec names
verbatim, because they are optimized for a different purpose.
Specifically
* 'alpha' in names is redundant with the struct name
* _flag is redundant
* store the actual bit depth, not _minus*
--
Anton Khirnov
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