{
producer_libdv this = calloc( sizeof( struct producer_libdv_s ), 1 );
- if ( this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
+ if ( filename != NULL && this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
{
mlt_producer producer = &this->parent;
+ mlt_properties properties = mlt_producer_properties( producer );
// Register transport implementation with the producer
producer->close = producer_close;
dv_set_audio_correction( this->dv_decoder, DV_AUDIO_CORRECT_AVERAGE );
// Open the file if specified
- if ( filename != NULL )
- {
- this->fd = open( filename, O_RDONLY );
- producer_collect_info( this );
- }
+ this->fd = open( filename, O_RDONLY );
+ producer_collect_info( this );
+
+ // Set the resource property (required for all producers)
+ mlt_properties_set( properties, "resource", filename );
// Return the producer
return producer;
*width = mlt_properties_get_int( properties, "width" );
*height = mlt_properties_get_int( properties, "height" );
- // Parse the header
- dv_parse_header( decoder, dv_data );
-
// Extract an image of the format requested
if ( *format == mlt_image_yuv422 )
{
// Get the dv data
uint8_t *dv_data = mlt_properties_get_data( properties, "dv_data", NULL );
- // Parse the header for meta info
- dv_parse_header( decoder, dv_data );
-
// Obtain required values
*frequency = decoder->audio->frequency;
*samples = decoder->audio->samples_this_frame;
// Update other info on the frame
mlt_properties_set_int( properties, "width", 720 );
mlt_properties_set_int( properties, "height", this->is_pal ? 576 : 480 );
+ mlt_properties_set_int( properties, "top_field_first", 0 );
+
+ // Parse the header for meta info
+ dv_parse_header( this->dv_decoder, data );
+ mlt_properties_set_int( properties, "progressive", dv_is_progressive( this->dv_decoder ) );
+ mlt_properties_set_double( properties, "display_aspect", dv_format_wide( this->dv_decoder ) ? 16.0/9.0 : 4.0/3.0 );
// Hmm - register audio callback
( *frame )->get_audio = producer_get_audio;