]> git.sesse.net Git - mlt/blobdiff - src/modules/core/consumer_multi.c
Move the aspect ratio for multi consumer from mlt_frame.
[mlt] / src / modules / core / consumer_multi.c
index 948bf4a9fe9c2325e8bdae445272068a6bf4b644..ffcc608619a7bc4b50967861c72efe769bb2cd5e 100644 (file)
@@ -30,6 +30,7 @@ static int stop( mlt_consumer consumer );
 static int is_stopped( mlt_consumer consumer );
 static void *consumer_thread( void *arg );
 static void consumer_close( mlt_consumer consumer );
+static void purge( mlt_consumer consumer );
 
 static mlt_properties normalisers = NULL;
 
@@ -57,6 +58,7 @@ mlt_consumer consumer_multi_init( mlt_profile profile, mlt_service_type type, co
                consumer->start = start;
                consumer->stop = stop;
                consumer->is_stopped = is_stopped;
+               consumer->purge = purge;
        }
 
        return consumer;
@@ -83,17 +85,27 @@ static void create_filter( mlt_profile profile, mlt_service service, char *effec
        if ( arg != NULL )
                *arg ++ = '\0';
 
-       // The swscale and avcolor_space filters require resolution as arg to test compatibility
-       if ( strncmp( effect, "swscale", 7 ) == 0 || strncmp( effect, "avcolo", 6 ) == 0 )
-               arg = (char*) mlt_properties_get_int( MLT_SERVICE_PROPERTIES( service ), "_real_width" );
-
-       mlt_filter filter = mlt_factory_filter( profile, id, arg );
-       if ( filter != NULL )
+       // We cannot use GLSL-based filters here.
+       if ( strncmp( effect, "movit.", 6 ) && strncmp( effect, "glsl.", 5 ) )
        {
-               mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_loader", 1 );
-               mlt_service_attach( service, filter );
-               mlt_filter_close( filter );
-               *created = 1;
+               mlt_filter filter;
+               // The swscale and avcolor_space filters require resolution as arg to test compatibility
+               if ( strncmp( effect, "swscale", 7 ) == 0 || strncmp( effect, "avcolo", 6 ) == 0 )
+               {
+                       int width = mlt_properties_get_int( MLT_SERVICE_PROPERTIES( service ), "meta.media.width" );
+                       filter = mlt_factory_filter( profile, id, &width );
+               }
+               else
+               {
+                       filter = mlt_factory_filter( profile, id, arg );
+               }
+               if ( filter )
+               {
+                       mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_loader", 1 );
+                       mlt_service_attach( service, filter );
+                       mlt_filter_close( filter );
+                       *created = 1;
+               }
        }
        free( id );
 }
@@ -131,12 +143,27 @@ static void attach_normalisers( mlt_profile profile, mlt_service service )
 
        // Attach the audio and video format converters
        int created = 0;
+       // movit.convert skips setting the frame->convert_image pointer if GLSL cannot be used.
+       mlt_filter filter = mlt_factory_filter( profile, "movit.convert", NULL );
+       if ( filter != NULL )
+       {
+               mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_loader", 1 );
+               mlt_service_attach( service, filter );
+               mlt_filter_close( filter );
+               created = 1;
+       }
+       // avcolor_space and imageconvert only set frame->convert_image if it has not been set.
        create_filter( profile, service, "avcolor_space", &created );
        if ( !created )
                create_filter( profile, service, "imageconvert", &created );
        create_filter( profile, service, "audioconvert", &created );
 }
 
+static void on_frame_show( void *dummy, mlt_properties properties, mlt_frame frame )
+{
+       mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
+}
+
 static mlt_consumer generate_consumer( mlt_consumer consumer, mlt_properties props, int index )
 {
        mlt_profile profile = NULL;
@@ -166,6 +193,14 @@ static mlt_consumer generate_consumer( mlt_consumer consumer, mlt_properties pro
                mlt_properties_inherit( nested_props, props );
 
                attach_normalisers( profile, MLT_CONSUMER_SERVICE(nested) );
+
+               // Relay the first available consumer-frame-show event
+               mlt_event event = mlt_properties_get_data( properties, "frame-show-event", NULL );
+               if ( !event )
+               {
+                       event = mlt_events_listen( nested_props, properties, "consumer-frame-show", (mlt_listener) on_frame_show );
+                       mlt_properties_set_data( properties, "frame-show-event", event, 0, /*mlt_event_close*/ NULL, NULL );
+               }
        }
        else
        {
@@ -328,7 +363,9 @@ static void foreach_consumer_put( mlt_consumer consumer, mlt_frame frame )
                        while ( nested_time <= self_time )
                        {
                                // put ideal number of samples into cloned frame
-                               mlt_frame clone_frame = mlt_frame_clone( frame, 0 );
+                               int deeply = index > 1 ? 1 : 0;
+                               mlt_frame clone_frame = mlt_frame_clone( frame, deeply );
+                               mlt_properties clone_props = MLT_FRAME_PROPERTIES( clone_frame );
                                int nested_samples = mlt_sample_calculator( nested_fps, frequency, nested_pos );
                                // -10 is an optimization to avoid tiny amounts of leftover samples
                                nested_samples = nested_samples > current_samples - 10 ? current_samples : nested_samples;
@@ -344,15 +381,21 @@ static void foreach_consumer_put( mlt_consumer consumer, mlt_frame frame )
                                        nested_size = 0;
                                }
                                mlt_frame_set_audio( clone_frame, prev_buffer, format, nested_size, mlt_pool_release );
-                               mlt_properties_set_int( MLT_FRAME_PROPERTIES(clone_frame), "audio_samples", nested_samples );
-                               mlt_properties_set_int( MLT_FRAME_PROPERTIES(clone_frame), "audio_frequency", frequency );
-                               mlt_properties_set_int( MLT_FRAME_PROPERTIES(clone_frame), "audio_channels", channels );
+                               mlt_properties_set_int( clone_props, "audio_samples", nested_samples );
+                               mlt_properties_set_int( clone_props, "audio_frequency", frequency );
+                               mlt_properties_set_int( clone_props, "audio_channels", channels );
 
                                // chomp the audio
                                current_samples -= nested_samples;
                                current_size -= nested_size;
                                buffer += nested_size;
 
+                               // Fix some things
+                               mlt_properties_set_int( clone_props, "meta.media.width",
+                                       mlt_properties_get_int( MLT_FRAME_PROPERTIES(frame), "width" ) );
+                               mlt_properties_set_int( clone_props, "meta.media.height",
+                                       mlt_properties_get_int( MLT_FRAME_PROPERTIES(frame), "height" ) );
+
                                // send frame to nested consumer
                                mlt_consumer_put_frame( nested, clone_frame );
                                mlt_properties_set_position( nested_props, "_multi_position", ++nested_pos );
@@ -473,6 +516,27 @@ static int is_stopped( mlt_consumer consumer )
        return !mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "running" );
 }
 
+/** Purge each of the child consumers.
+*/
+
+static void purge( mlt_consumer consumer )
+{
+       mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
+       if ( mlt_properties_get_int( properties, "running" ) )
+       {
+               mlt_consumer nested = NULL;
+               char key[30];
+               int index = 0;
+
+               do {
+                       snprintf( key, sizeof(key), "%d.consumer", index++ );
+                       nested = mlt_properties_get_data( properties, key, NULL );
+                       if ( nested )
+                               mlt_consumer_purge( nested );
+               } while ( nested );
+       }
+}
+
 /** The main thread - the argument is simply the consumer.
 */
 
@@ -504,7 +568,6 @@ static void *consumer_thread( void *arg )
                                if ( mlt_properties_get_int( MLT_FRAME_PROPERTIES(frame), "_speed" ) == 0 )
                                        foreach_consumer_refresh( consumer );
                                foreach_consumer_put( consumer, frame );
-                               mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
                        }
                        else
                        {
@@ -520,7 +583,6 @@ static void *consumer_thread( void *arg )
                        {
                                // Send this termination frame to nested consumers for their cancellation
                                foreach_consumer_put( consumer, frame );
-                               mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
                        }
                        if ( frame )
                                mlt_frame_close( frame );