Get a DV profile for the provided compressed frame.
@param sys the profile used for the previous frame, may be NULL
@param frame the compressed data buffer
@param buf_size size of the buffer in bytes
@return the DV profile for the supplied data or NULL on failure
Get a DV profile for the provided compressed frame.
@param sys the profile used for the previous frame, may be NULL @param frame the compressed data buffer @param buf_size size of the buffer in bytes @return the DV profile for the supplied data or NULL on failure