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Commit e4a1bb5b authored by Laurent Aimar's avatar Laurent Aimar
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Properly lock SPU_CHANNEL_REGISTER. 

( At best, a = b++ is not atomic)
parent 5735fdde
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Showing with 4 additions and 1 deletion
src/video_output/vout_subpictures.c
View file @ e4a1bb5b
......@@ -1322,7 +1322,10 @@ static int spu_vaControlDefault( spu_t *p_spu, int i_query, va_list args )
{
case SPU_CHANNEL_REGISTER:
pi = (int *)va_arg( args, int * );
if( pi ) *pi = p_spu->i_channel++;
vlc_mutex_lock( &p_spu->subpicture_lock );
if( pi )
*pi = p_spu->i_channel++;
vlc_mutex_unlock( &p_spu->subpicture_lock );
break;
case SPU_CHANNEL_CLEAR:
......
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