/*****************************************************************************
* MP4_DumpBoxStructure: print the structure of the p_box
*****************************************************************************
- * Usefull while debugging
+ * Useful while debugging
*****************************************************************************/
void MP4_BoxDumpStructure( stream_t *p_input, MP4_Box_t *p_box );
if( p_sys->p_seq &&
p_sys->i_seq_old > p_sys->i_frame_rate/p_sys->i_frame_rate_base )
{
- /* Usefull for mpeg1: repeat sequence header every second */
+ /* Useful for mpeg1: repeat sequence header every second */
block_ChainLastAppend( &p_sys->pp_last, block_Duplicate( p_sys->p_seq ) );
if( p_sys->p_ext )
{