* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-// Local header files
-#include "producer_vorbis.h"
-
// MLT Header files
+#include <framework/mlt_producer.h>
#include <framework/mlt_frame.h>
// vorbis Header files
// System header files
#include <stdlib.h>
#include <string.h>
+#include <ctype.h>
// Forward references.
-static int producer_open( mlt_producer this, char *file );
+static int producer_open( mlt_producer this, mlt_profile profile, char *file );
static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index );
+/** Structure for metadata reading
+*/
+
+typedef struct _sw_metadata sw_metadata;
+
+struct _sw_metadata {
+ char * name;
+ char * content;
+};
+
+static sw_metadata *vorbis_metadata_from_str (char * str)
+{
+ sw_metadata * meta = NULL;
+ int i;
+
+ for (i = 0; str[i]; i++) {
+ str[i] = tolower(str[i]);
+ if (str[i] == '=') {
+ str[i] = '\0';
+ meta = malloc (sizeof (sw_metadata));
+ meta->name = malloc( strlen(str) + 18 );
+ sprintf(meta->name, "meta.attr.%s.markup", str);
+ meta->content = strdup (&str[i+1]);
+ break;
+ }
+ }
+ return meta;
+}
+
/** Constructor for libvorbis.
*/
-mlt_producer producer_vorbis_init( char *file )
+mlt_producer producer_vorbis_init( mlt_profile profile, mlt_service_type type, const char *id, char *file )
{
mlt_producer this = NULL;
this->get_frame = producer_get_frame;
// Open the file
- if ( producer_open( this, file ) != 0 )
+ if ( producer_open( this, profile, file ) != 0 )
{
// Clean up
mlt_producer_close( this );
/** Open the file.
*/
-static int producer_open( mlt_producer this, char *file )
+static int producer_open( mlt_producer this, mlt_profile profile, char *file )
{
// FILE pointer for file
FILE *input = fopen( file, "r" );
// Assign the ov structure
mlt_properties_set_data( properties, "ogg_vorbis_file", ov, 0, producer_file_close, NULL );
+ // Read metadata
+ sw_metadata * metadata = NULL;
+ char **ptr = ov_comment(ov, -1)->user_comments;
+ while(*ptr) {
+ metadata = vorbis_metadata_from_str (*ptr);
+ if (metadata != NULL)
+ mlt_properties_set(properties, metadata->name, metadata->content);
+ ++ptr;
+ }
+
if ( ov_seekable( ov ) )
{
// Get the length of the file
double length = ov_time_total( ov, -1 );
// We will treat everything with the producer fps
- double fps = mlt_properties_get_double( properties, "fps" );
+ double fps = mlt_profile_fps( profile );
// Set out and length of file
mlt_properties_set_position( properties, "out", ( length * fps ) - 1 );
vorbis_info *vi = ov_info( ov, -1 );
mlt_properties_set_int( properties, "frequency", (int) vi->rate );
mlt_properties_set_int( properties, "channels", vi->channels );
+
+ // Set some media metadata
+ mlt_properties_set_int( properties, "meta.media.nb_streams", 1 );
+ mlt_properties_set_int( properties, "audio_index", 0 );
+ mlt_properties_set( properties, "meta.media.0.stream.type", "audio" );
+ mlt_properties_set( properties, "meta.media.0.codec.name", "vorbis" );
+ mlt_properties_set( properties, "meta.media.0.codec.long_name", "Vorbis" );
}
}
else
static double producer_time_of_frame( mlt_producer this, mlt_position position )
{
- // Get the properties
- mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
-
- // Obtain the fps
- double fps = mlt_properties_get_double( properties, "fps" );
-
- // Do the calc
- return ( double )position / fps;
+ return ( double )position / mlt_producer_get_fps( this );
}
/** Get the audio from a frame.
mlt_position expected = mlt_properties_get_position( properties, "audio_expected" );
// Get the fps for this producer
- double fps = mlt_properties_get_double( properties, "fps" );
+ double fps = mlt_producer_get_fps( this );
// Get the vorbis info
vorbis_info *vi = ov_info( ov, -1 );
static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index )
{
// Create an empty frame
- *frame = mlt_frame_init( );
+ *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( this ) );
// Update timecode on the frame we're creating
mlt_frame_set_position( *frame, mlt_producer_position( this ) );
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