+ if( ( p_track->i_sample_size == 1 || p_track->i_sample_size == 2 ) )
+ {
+ MP4_Box_data_sample_soun_t *p_soun;
+ p_soun = p_sample->data.p_sample_soun;
+
+ if( p_soun->i_qt_version == 0 )
+ {
+ switch( p_sample->i_type )
+ {
+ case VLC_FOURCC( 'i', 'm', 'a', '4' ):
+ p_soun->i_qt_version = 1;
+ p_soun->i_sample_per_packet = 64;
+ p_soun->i_bytes_per_packet = 34;
+ p_soun->i_bytes_per_frame = 34 * p_soun->i_channelcount;
+ p_soun->i_bytes_per_sample = 2;
+ break;
+ case VLC_FOURCC( 'M', 'A', 'C', '3' ):
+ p_soun->i_qt_version = 1;
+ p_soun->i_sample_per_packet = 6;
+ p_soun->i_bytes_per_packet = 2;
+ p_soun->i_bytes_per_frame = 2 * p_soun->i_channelcount;
+ p_soun->i_bytes_per_sample = 2;
+ break;
+ case VLC_FOURCC( 'M', 'A', 'C', '6' ):
+ p_soun->i_qt_version = 1;
+ p_soun->i_sample_per_packet = 12;
+ p_soun->i_bytes_per_packet = 2;
+ p_soun->i_bytes_per_frame = 2 * p_soun->i_channelcount;
+ p_soun->i_bytes_per_sample = 2;
+ break;
+ case VLC_FOURCC( 'a', 'l', 'a', 'w' ):
+ case VLC_FOURCC( 'u', 'l', 'a', 'w' ):
+ p_soun->i_samplesize = 8;
+ p_track->i_sample_size = p_soun->i_channelcount;
+ break;
+ case VLC_FOURCC( 'N', 'O', 'N', 'E' ):
+ case VLC_FOURCC( 'r', 'a', 'w', ' ' ):
+ case VLC_FOURCC( 't', 'w', 'o', 's' ):
+ case VLC_FOURCC( 's', 'o', 'w', 't' ):
+ /* What would be the fun if you could trust the .mov */
+ p_track->i_sample_size = ((p_soun->i_samplesize+7)/8) * p_soun->i_channelcount;
+ break;
+ default:
+ break;
+ }
+
+ }
+ else if( p_soun->i_qt_version == 1 && p_soun->i_sample_per_packet <= 0 )
+ {
+ p_soun->i_qt_version = 0;
+ }
+ }
+ else if( p_sample->data.p_sample_soun->i_qt_version == 1 )
+ {
+ MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
+
+ switch( p_sample->i_type )
+ {
+ case( VLC_FOURCC( '.', 'm', 'p', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x00, 0x55 ) ):
+ {
+ if( p_track->i_sample_size > 1 )
+ p_soun->i_qt_version = 0;
+ break;
+ }
+ case( VLC_FOURCC( 'a', 'c', '-', '3' ) ):
+ case( VLC_FOURCC( 'e', 'c', '-', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x20, 0x00 ) ):
+ p_soun->i_qt_version = 0;
+ break;
+ default:
+ break;
+ }
+ }
+