static void DoWork( aout_instance_t *, aout_filter_t *,
aout_buffer_t *, aout_buffer_t * );
-vlc_module_begin();
- set_description( N_("Scale audio tempo in sync with playback rate") );
- set_shortname( N_("Scaletempo") );
- set_capability( "audio filter", 0 );
- set_category( CAT_AUDIO );
- set_subcategory( SUBCAT_AUDIO_AFILTER );
+vlc_module_begin ()
+ set_description( N_("Audio tempo scaler synched with rate") )
+ set_shortname( N_("Scaletempo") )
+ set_capability( "audio filter", 0 )
+ set_category( CAT_AUDIO )
+ set_subcategory( SUBCAT_AUDIO_AFILTER )
add_integer_with_range( "scaletempo-stride", 30, 1, 2000, NULL,
- N_("Stride Length"), N_("Length in milliseconds to output each stride"), true );
+ N_("Stride Length"), N_("Length in milliseconds to output each stride"), true )
add_float_with_range( "scaletempo-overlap", .20, 0.0, 1.0, NULL,
- N_("Overlap Length"), N_("Percentage of stride to overlap"), true );
+ N_("Overlap Length"), N_("Percentage of stride to overlap"), true )
add_integer_with_range( "scaletempo-search", 14, 0, 200, NULL,
- N_("Search Length"), N_("Length in milliseconds to search for best overlap position"), true );
+ N_("Search Length"), N_("Length in milliseconds to search for best overlap position"), true )
- set_callbacks( Open, Close );
-vlc_module_end();
+ set_callbacks( Open, Close )
+vlc_module_end ()
/*
* Scaletempo works by producing audio in constant sized chunks (a "stride") but
* frame: a single set of samples, one for each channel
* VLC uses these terms differently
*/
-typedef struct aout_filter_sys_t
+struct aout_filter_sys_t
{
/* Filter static config */
double scale;
/* for "audio filter" only, manage own buffers */
int i_buf;
uint8_t *p_buffers[2];
-} aout_filter_sys_t;
+};
/*****************************************************************************
* best_overlap_offset: calculate best offset for overlap
aout_filter_sys_t *p_sys;
bool b_fit = true;
- if( p_filter->input.i_format != VLC_FOURCC('f','l','3','2' ) ||
- p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
+ if( p_filter->input.i_format != VLC_CODEC_FL32 ||
+ p_filter->output.i_format != VLC_CODEC_FL32 )
{
b_fit = false;
- p_filter->input.i_format = p_filter->output.i_format = VLC_FOURCC('f','l','3','2');
+ p_filter->input.i_format = p_filter->output.i_format = VLC_CODEC_FL32;
msg_Warn( p_filter, "bad input or output format" );
}
if( ! AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
aout_filter_sys_t *p = p_filter->p_sys;
if( p_filter->input.i_rate == p->sample_rate ) {
- memcpy( p_out_buf->p_buffer, p_in_buf->p_buffer, p_in_buf->i_nb_bytes );
- p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
+ memcpy( p_out_buf->p_buffer, p_in_buf->p_buffer, p_in_buf->i_buffer );
+ p_out_buf->i_buffer = p_in_buf->i_buffer;
p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
return;
}
(int)( p->bytes_stride / p->bytes_per_frame ) );
}
- size_t i_outsize = calculate_output_buffer_size ( p_filter, p_in_buf->i_nb_bytes );
+ size_t i_outsize = calculate_output_buffer_size ( p_filter, p_in_buf->i_buffer );
if( i_outsize > p_out_buf->i_size ) {
void *temp = realloc( p->p_buffers[ p->i_buf ], i_outsize );
if( temp == NULL )
}
size_t bytes_out = transform_buffer( p_filter,
- p_in_buf->p_buffer, p_in_buf->i_nb_bytes,
+ p_in_buf->p_buffer, p_in_buf->i_buffer,
p_out_buf->p_buffer );
- p_out_buf->i_nb_bytes = bytes_out;
+ p_out_buf->i_buffer = bytes_out;
p_out_buf->i_nb_samples = bytes_out / p->bytes_per_frame;
}