diff -Nru mlt-0.7.7+git20120206.2d328408/debian/changelog mlt-0.7.7+git20120208.de3106c7/debian/changelog
--- mlt-0.7.7+git20120206.2d328408/debian/changelog	2012-02-06 21:42:25.000000000 +0000
+++ mlt-0.7.7+git20120208.de3106c7/debian/changelog	2012-02-08 18:32:51.000000000 +0000
@@ -1,3 +1,9 @@
+mlt (0.7.7+git20120208.de3106c7-0ubuntu0~sunab~karmic1) karmic; urgency=low
+
+  * new git checkout 
+
+ -- Olivier Banus <sunab@free.fr>  Wed, 08 Feb 2012 19:32:51 +0200
+
 mlt (0.7.7+git20120206.2d328408-0ubuntu0~sunab~karmic1) karmic; urgency=low
 
   * new git checkout 
diff -Nru mlt-0.7.7+git20120206.2d328408/src/modules/avformat/consumer_avformat.c mlt-0.7.7+git20120208.de3106c7/src/modules/avformat/consumer_avformat.c
--- mlt-0.7.7+git20120206.2d328408/src/modules/avformat/consumer_avformat.c	2012-02-06 21:42:25.000000000 +0000
+++ mlt-0.7.7+git20120208.de3106c7/src/modules/avformat/consumer_avformat.c	2012-02-08 18:32:51.000000000 +0000
@@ -178,9 +178,6 @@
 		mlt_properties_set_double( properties, "muxdelay", 0.7 );
 		mlt_properties_set_double( properties, "muxpreload", 0.5 );
 
-		// Some AVOption defaults we like
-		mlt_properties_set( properties, "strict", "experimental" );
-
 		// Ensure termination at end of the stream
 		mlt_properties_set_int( properties, "terminate_on_pause", 1 );
 		
@@ -337,11 +334,11 @@
 		// Assign the thread to properties
 		mlt_properties_set_data( properties, "thread", thread, sizeof( pthread_t ), free, NULL );
 
-		// Set the running state
-		mlt_properties_set_int( properties, "running", 1 );
-
 		// Create the thread
 		pthread_create( thread, NULL, consumer_thread, consumer );
+
+		// Set the running state
+		mlt_properties_set_int( properties, "running", 1 );
 	}
 	return error;
 }
@@ -1219,6 +1216,10 @@
 				acodec = mlt_properties_get( properties, "_acodec" );
 				audio_codec = avcodec_find_encoder_by_name( acodec );
 			}
+			else if ( !strcmp( acodec, "aac" ) )
+			{
+				mlt_properties_set( properties, "astrict", "experimental" );
+			}
 		}
 		else
 		{
@@ -1854,7 +1855,7 @@
 			av_init_packet( &pkt );
 			pkt.size = 0;
 
-			if ( /*( c->capabilities & CODEC_CAP_SMALL_LAST_FRAME ) &&*/
+			if ( fifo &&
 				( channels * audio_input_frame_size < sample_fifo_used( fifo ) / sample_bytes ) )
 			{
 				sample_fifo_fetch( fifo, audio_buf_1, channels * audio_input_frame_size * sample_bytes );
@@ -1916,7 +1917,8 @@
 on_fatal_error:
 	
 	// Write the trailer, if any
-	av_write_trailer( oc );
+	if ( frames )
+		av_write_trailer( oc );
 
 	// close each codec
 	if ( video_st )
@@ -1929,13 +1931,13 @@
 		av_freep( &oc->streams[i] );
 
 	// Close the output file
-	if ( !( fmt->flags & AVFMT_NOFILE ) )
+	if ( !( fmt->flags & AVFMT_NOFILE ) &&
+		!mlt_properties_get_int( properties, "redirect" ) )
 	{
 #if LIBAVFORMAT_VERSION_MAJOR >= 53
-		if ( !mlt_properties_get_int( properties, "redirect" ) )
-			avio_close( oc->pb );
+		if ( oc->pb  ) avio_close( oc->pb );
 #elif LIBAVFORMAT_VERSION_MAJOR >= 52
-		url_fclose( oc->pb );
+		if ( oc->pb  ) url_fclose( oc->pb );
 #else
 		url_fclose( &oc->pb );
 #endif