Allocate an AVFilmGrainParams structure and set its fields to
default values. The resulting struct can be freed using av_freep().
If size is not NULL it will be set to the number of bytes allocated.
@return An AVFilmGrainParams filled with default values or NULL
on failure.
Allocate an AVFilmGrainParams structure and set its fields to default values. The resulting struct can be freed using av_freep(). If size is not NULL it will be set to the number of bytes allocated.
@return An AVFilmGrainParams filled with default values or NULL on failure.