Commit b213aefc authored by Laurent Aimar's avatar Laurent Aimar

Fixed a potential crash in aout_FiltersPlay.

This function was returning a buffer allocated with the wrong type (alloca)
when a filter returned 0 sample (scaletempo at least).
parent 2b1be1cc
......@@ -334,7 +334,7 @@ void aout_FiltersPlay( aout_instance_t * p_aout,
{
int i;
for ( i = 0; i < i_nb_filters; i++ )
for( i = 0; i < i_nb_filters; i++ )
{
aout_filter_t * p_filter = pp_filters[i];
aout_buffer_t * p_output_buffer;
......@@ -346,22 +346,29 @@ void aout_FiltersPlay( aout_instance_t * p_aout,
((mtime_t)(*pp_input_buffer)->i_nb_samples + 2)
* 1000000 / p_filter->input.i_rate,
*pp_input_buffer, p_output_buffer );
if ( p_output_buffer == NULL )
if( p_output_buffer == NULL )
return;
/* Please note that p_output_buffer->i_nb_samples & i_nb_bytes
* shall be set by the filter plug-in. */
if( (*pp_input_buffer)->i_nb_samples > 0 )
{
p_filter->pf_do_work( p_aout, p_filter, *pp_input_buffer,
p_output_buffer );
}
else
{
p_output_buffer->i_nb_bytes = 0;
p_output_buffer->i_nb_samples = 0;
}
if ( !p_filter->b_in_place )
if( !p_filter->b_in_place )
{
aout_BufferFree( *pp_input_buffer );
*pp_input_buffer = p_output_buffer;
}
if( p_output_buffer->i_nb_samples <= 0 )
break;
}
assert( (*pp_input_buffer) == NULL || (*pp_input_buffer)->i_alloc_type != AOUT_ALLOC_STACK );
}
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