Memory pooling
[melted] / src / modules / resample / filter_resample.c
index b4fd13d..ce07eb0 100644 (file)
@@ -76,8 +76,10 @@ static int resample_get_audio( mlt_frame frame, int16_t **buffer, mlt_audio_form
        {
                if ( data.output_frames_gen > *samples )
                {
-                       *buffer = (int16_t*) malloc( data.output_frames_gen * *channels * 2 );
-                       mlt_properties_set_data( properties, "audio", *buffer, *channels * data.output_frames_gen * 2, free, NULL );
+                       void *release = NULL;
+                       *buffer = mlt_pool_allocate( data.output_frames_gen * *channels * sizeof( int16_t ), &release );
+                       mlt_properties_set_data( properties, "audio_release", release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+                       mlt_properties_set_data( properties, "audio", *buffer, *channels * data.output_frames_gen * 2, NULL, NULL );
                }
                *samples = data.output_frames_gen;
                *frequency = output_rate;
@@ -141,15 +143,19 @@ mlt_filter filter_resample_init( char *arg )
                SRC_STATE *state = src_new( RESAMPLE_TYPE, 2 /* channels */, &error );
                if ( error == 0 )
                {
+                       void *input_release = NULL;
+                       void *input_buffer = mlt_pool_allocate( BUFFER_LEN, &input_release );
+                       void *output_release = NULL;
+                       void *output_buffer = mlt_pool_allocate( BUFFER_LEN, &output_release );
                        this->process = filter_process;
                        if ( arg != NULL )
                                mlt_properties_set_int( mlt_filter_properties( this ), "frequency", atoi( arg ) );
                        mlt_properties_set_int( mlt_filter_properties( this ), "channels", 2 );
                        mlt_properties_set_data( mlt_filter_properties( this ), "state", state, 0, (mlt_destructor)src_delete, NULL );
-                       mlt_properties_set_data( mlt_filter_properties( this ), "input_buffer",
-                               malloc( BUFFER_LEN ), BUFFER_LEN, free, NULL );
-                       mlt_properties_set_data( mlt_filter_properties( this ), "output_buffer",
-                               malloc( BUFFER_LEN ), BUFFER_LEN, free, NULL );
+                       mlt_properties_set_data( mlt_filter_properties( this ), "input_release", input_release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+                       mlt_properties_set_data( mlt_filter_properties( this ), "input_buffer", input_buffer, BUFFER_LEN, NULL, NULL );
+                       mlt_properties_set_data( mlt_filter_properties( this ), "output_release", output_release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+                       mlt_properties_set_data( mlt_filter_properties( this ), "output_buffer", output_buffer, BUFFER_LEN, NULL, NULL );
                }
                else
                {