The pixel format identifying the underlying HW surface type.
Must be a hwaccel format, i.e. the corresponding descriptor must have the AV_PIX_FMT_FLAG_HWACCEL flag set.
Must be set by the user before calling av_hwframe_ctx_init().
See Implementation
The pixel format identifying the underlying HW surface type.
Must be a hwaccel format, i.e. the corresponding descriptor must have the AV_PIX_FMT_FLAG_HWACCEL flag set.
Must be set by the user before calling av_hwframe_ctx_init().