Pipe support for audio or video only

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@338 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/src/modules/avformat/producer_avformat.c b/src/modules/avformat/producer_avformat.c
index 3889e3e2d473dd8eb26eefdbc651f1fa2f6e07fd..6e2a0fd56ff2794fc6cd6174b552cf90096a2ead 100644 (file)
--- a/src/modules/avformat/producer_avformat.c
+++ b/src/modules/avformat/producer_avformat.c
@@ -169,6 +169,9 @@ static int producer_open( mlt_producer this, char *file )
        AVFormatParameters *params = NULL;
        char *standard = NULL;
        char *mrl = strchr( file, ':' );
+
+       // AV option (0 = both, 1 = video, 2 = audio)
+       int av = 0;
        
        // Only if there is not a protocol specification that avformat can handle
        if ( mrl && !url_exist( file ) )
@@ -228,6 +231,8 @@ static int producer_open( mlt_producer this, char *file )
                                        standard = strdup( value );
                                        params->standard = standard;
                                }
+                               else if ( !strcmp( name, "av" ) )
+                                       av = atoi( value );
                        }
                        free( name );
                        mrl = strchr( mrl, '&' );
@@ -271,14 +276,15 @@ static int producer_open( mlt_producer this, char *file )
                 mlt_properties_set_double( properties, "start_time", context->start_time );
                        
                        // Check if we're seekable (something funny about mpeg here :-/)
-                       mlt_properties_set_int( properties, "seekable", av_seek_frame( context, -1, mlt_properties_get_double( properties, "start_time" ) ) >= 0 );
+                       if ( strcmp( file, "pipe:" ) )
+                               mlt_properties_set_int( properties, "seekable", av_seek_frame( context, -1, mlt_properties_get_double( properties, "start_time" ) ) >= 0 );
 
                        // Store selected audio and video indexes on properties
                        mlt_properties_set_int( properties, "audio_index", audio_index );
                        mlt_properties_set_int( properties, "video_index", video_index );
                        
                        // We're going to cheat here - for a/v files, we will have two contexts (reasoning will be clear later)
-                       if ( audio_index != -1 && video_index != -1 )
+                       if ( av == 0 && strcmp( file, "pipe:" ) && audio_index != -1 && video_index != -1 )
                        {
                                // We'll use the open one as our video_context
                                mlt_properties_set_data( properties, "video_context", context, 0, producer_file_close, NULL );
@@ -290,7 +296,7 @@ static int producer_open( mlt_producer this, char *file )
                                // Audio context
                                mlt_properties_set_data( properties, "audio_context", context, 0, producer_file_close, NULL );
                        }
-                       else if ( video_index != -1 )
+                       else if ( av != 2 && video_index != -1 )
                        {
                                // We only have a video context
                                mlt_properties_set_data( properties, "video_context", context, 0, producer_file_close, NULL );