CFMutableDictionaryRef buffer_attributes;
CFMutableDictionaryRef io_surface_properties;
CFNumberRef cv_pix_fmt;
- int32_t fmt = 'avc1', pix_fmt = kCVPixelFormatType_422YpCbCr8;
+ int32_t fmt = 'avc1', pix_fmt = vda_ctx->cv_pix_fmt_type;
// kCVPixelFormatType_420YpCbCr8Planar;