miracle part 1
[melted] / src / modules / dv / producer_libdv.c
index 34a73f7..c2921e3 100644 (file)
@@ -51,9 +51,10 @@ mlt_producer producer_libdv_init( char *filename )
 {
        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;
@@ -68,11 +69,11 @@ mlt_producer producer_libdv_init( char *filename )
                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;
@@ -163,9 +164,6 @@ static int producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_forma
        *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 )
        {
@@ -218,9 +216,6 @@ static int producer_get_audio( mlt_frame this, int16_t **buffer, mlt_audio_forma
        // 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;
@@ -283,6 +278,12 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
                // 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;