// Get the producer's audio
mlt_frame_get_audio( frame, buffer, format, frequency, channels, samples );
- //fprintf( stderr, "resample_get_audio: output_rate %d\n", output_rate, *frequency );
// Return now if now work to do
if ( output_rate == *frequency )
return 0;
+ //fprintf( stderr, "resample_get_audio: input_rate %d output_rate %d\n", *frequency, output_rate );
+
// Convert to floating point
for ( i = 0; i < *samples * *channels; ++i )
input_buffer[ i ] = ( float )( (*buffer)[ i ] ) / 32768;
{
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 );
+ *buffer = mlt_pool_alloc( data.output_frames_gen * *channels * sizeof( int16_t ) );
+ mlt_properties_set_data( properties, "audio", *buffer, *channels * data.output_frames_gen * 2, mlt_pool_release, NULL );
}
*samples = data.output_frames_gen;
*frequency = output_rate;
mlt_filter filter_resample_init( char *arg )
{
- mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
- if ( this != NULL && mlt_filter_init( this, NULL ) == 0 )
+ mlt_filter this = mlt_filter_new( );
+ if ( this != NULL )
{
int error;
SRC_STATE *state = src_new( RESAMPLE_TYPE, 2 /* channels */, &error );
if ( error == 0 )
{
+ void *input_buffer = mlt_pool_alloc( BUFFER_LEN );
+ void *output_buffer = mlt_pool_alloc( BUFFER_LEN );
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_buffer", input_buffer, BUFFER_LEN, mlt_pool_release, NULL );
+ mlt_properties_set_data( mlt_filter_properties( this ), "output_buffer", output_buffer, BUFFER_LEN, mlt_pool_release, NULL );
}
else
{