pub unsafe extern "C" fn av_packet_side_data_from_frame(
sd: *mut *mut AVPacketSideData,
nb_sd: *mut c_int,
src: *const AVFrameSideData,
flags: c_uint,
) -> c_int展开描述
Add a new packet side data entry to an array based on existing frame side data, if a matching type exists for packet side data.
@param flags Currently unused. Must be 0. @retval >= 0 Success @retval AVERROR(EINVAL) The frame side data type does not have a matching packet side data type. @retval AVERROR(ENOMEM) Failed to add a side data entry to the array, or similar.