]> git.sesse.net Git - mlt/blobdiff - src/melt/melt.c
Document -jack option.
[mlt] / src / melt / melt.c
index 041fcca5c9a0809de14ac8a39c8afd7f3c2d42cb..a3f9a1b1a96bee9c6e7b3bf34f2180454b8b4037 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * melt.c -- MLT command line utility
- * Copyright (C) 2002-2010 Ushodaya Enterprises Limited
+ * Copyright (C) 2002-2011 Ushodaya Enterprises Limited
  * Authors: Charles Yates <charles.yates@pandora.be>
  *          Dan Dennedy <dan@dennedy.org>
  *
@@ -31,7 +31,7 @@
 
 #include <framework/mlt.h>
 
-#ifdef __DARWIN__
+#if defined(__DARWIN__) || defined(WIN32)
 #include <SDL.h>
 #endif
 
@@ -42,6 +42,8 @@ static void transport_action( mlt_producer producer, char *value )
        mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
        mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
        mlt_consumer consumer = mlt_properties_get_data( properties, "transport_consumer", NULL );
+       mlt_properties jack = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES( consumer ), "jack_filter", NULL );
+       mlt_position position = mlt_producer_position( producer );
 
        mlt_properties_set_int( properties, "stats_off", 1 );
 
@@ -50,11 +52,16 @@ static void transport_action( mlt_producer producer, char *value )
                switch( value[ 0 ] )
                {
                        case 'q':
+                       case 'Q':
                                mlt_properties_set_int( properties, "done", 1 );
+                               mlt_events_fire( jack, "jack-stop", NULL );
                                break;
                        case '0':
+                               position = 0;
                                mlt_producer_set_speed( producer, 1 );
-                               mlt_producer_seek( producer, 0 );
+                               mlt_producer_seek( producer, position );
+                               mlt_consumer_purge( consumer );
+                               mlt_events_fire( jack, "jack-seek", &position, NULL );
                                break;
                        case '1':
                                mlt_producer_set_speed( producer, -10 );
@@ -70,10 +77,15 @@ static void transport_action( mlt_producer producer, char *value )
                                break;
                        case '5':
                                mlt_producer_set_speed( producer, 0 );
+                               mlt_consumer_purge( consumer );
+                               mlt_events_fire( jack, "jack-stop", NULL );
                                break;
                        case '6':
                        case ' ':
-                               mlt_producer_set_speed( producer, 1 );
+                               if ( !jack || mlt_producer_get_speed( producer ) != 0 )
+                                       mlt_producer_set_speed( producer, 1 );
+                               mlt_consumer_purge( consumer );
+                               mlt_events_fire( jack, "jack-start", NULL );
                                break;
                        case '7':
                                mlt_producer_set_speed( producer, 2 );
@@ -92,11 +104,11 @@ static void transport_action( mlt_producer producer, char *value )
                                        fprintf( stderr, "\n" );
                                        for ( i = 0; 1; i ++ )
                                        {
-                                               mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
-                                               if ( time == last )
+                                               position = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
+                                               if ( position == last )
                                                        break;
-                                               last = time;
-                                               fprintf( stderr, "%d: %d\n", i, (int)time );
+                                               last = position;
+                                               fprintf( stderr, "%d: %d\n", i, (int)position );
                                        }
                                }
                                break;
@@ -104,54 +116,74 @@ static void transport_action( mlt_producer producer, char *value )
                        case 'g':
                                if ( multitrack != NULL )
                                {
-                                       mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
-                                       mlt_producer_seek( producer, time );
+                                       position = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
+                                       mlt_producer_seek( producer, position );
+                                       mlt_consumer_purge( consumer );
+                                       mlt_events_fire( jack, "jack-seek", &position, NULL );
                                }
                                break;
                        case 'H':
                                if ( producer != NULL )
                                {
-                                       mlt_position position = mlt_producer_position( producer );
-                                       mlt_producer_seek( producer, position - ( mlt_producer_get_fps( producer ) * 60 ) );
+                                       position -= mlt_producer_get_fps( producer ) * 60;
+                                       mlt_consumer_purge( consumer );
+                                       mlt_producer_seek( producer, position );
+                                       mlt_events_fire( jack, "jack-seek", &position, NULL );
                                }
                                break;
                        case 'h':
                                if ( producer != NULL )
                                {
-                                       mlt_position position = mlt_producer_position( producer );
+                                       position--;
                                        mlt_producer_set_speed( producer, 0 );
-                                       mlt_producer_seek( producer, position - 1 );
+                                       mlt_consumer_purge( consumer );
+                                       mlt_producer_seek( producer, position );
+                                       mlt_events_fire( jack, "jack-stop", NULL );
+                                       mlt_events_fire( jack, "jack-seek", &position, NULL );
                                }
                                break;
                        case 'j':
                                if ( multitrack != NULL )
                                {
-                                       mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
-                                       mlt_producer_seek( producer, time );
+                                       position = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
+                                       mlt_consumer_purge( consumer );
+                                       mlt_producer_seek( producer, position );
+                                       mlt_events_fire( jack, "jack-seek", &position, NULL );
                                }
                                break;
                        case 'k':
                                if ( multitrack != NULL )
                                {
-                                       mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
-                                       mlt_producer_seek( producer, time );
+                                       position = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
+                                       mlt_consumer_purge( consumer );
+                                       mlt_producer_seek( producer, position );
+                                       mlt_events_fire( jack, "jack-seek", &position, NULL );
                                }
                                break;
                        case 'l':
                                if ( producer != NULL )
                                {
-                                       mlt_position position = mlt_producer_position( producer );
+                                       position++;
+                                       mlt_consumer_purge( consumer );
                                        if ( mlt_producer_get_speed( producer ) != 0 )
+                                       {
                                                mlt_producer_set_speed( producer, 0 );
+                                               mlt_events_fire( jack, "jack-stop", NULL );
+                                       }
                                        else
-                                               mlt_producer_seek( producer, position + 1 );
+                                       {
+                                               mlt_producer_seek( producer, position );
+                                               mlt_events_fire( jack, "jack-seek", &position, NULL );
+                                       }
                                }
                                break;
                        case 'L':
                                if ( producer != NULL )
                                {
-                                       mlt_position position = mlt_producer_position( producer );
-                                       mlt_producer_seek( producer, position + ( mlt_producer_get_fps( producer ) * 60 ) );
+                                       position += mlt_producer_get_fps( producer ) * 60;
+                                       mlt_consumer_purge( consumer );
+                                       mlt_producer_seek( producer, position );
+                                       mlt_events_fire( jack, "jack-seek", &position, NULL );
                                }
                                break;
                }
@@ -162,6 +194,53 @@ static void transport_action( mlt_producer producer, char *value )
        mlt_properties_set_int( properties, "stats_off", 0 );
 }
 
+static void on_jack_started( mlt_properties owner, mlt_consumer consumer, mlt_position *position )
+{
+       mlt_producer producer = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES(consumer), "transport_producer", NULL );
+       if ( producer )
+       {
+               if ( mlt_producer_get_speed( producer ) != 0 )
+               {
+                       mlt_properties jack = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES( consumer ), "jack_filter", NULL );
+                       mlt_events_fire( jack, "jack-stop", NULL );
+               }
+               else
+               {
+                       mlt_producer_set_speed( producer, 1 );
+                       mlt_consumer_purge( consumer );
+                       mlt_producer_seek( producer, *position );
+                       mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
+               }
+       }
+}
+
+static void on_jack_stopped( mlt_properties owner, mlt_consumer consumer, mlt_position *position )
+{
+       mlt_producer producer = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES(consumer), "transport_producer", NULL );
+       if ( producer )
+       {
+               mlt_producer_set_speed( producer, 0 );
+               mlt_consumer_purge( consumer );
+               mlt_producer_seek( producer, *position );
+               mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
+       }
+}
+
+static void setup_jack_transport( mlt_consumer consumer, mlt_profile profile )
+{
+       mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
+       mlt_filter jack = mlt_factory_filter( profile, "jackrack", NULL );
+       mlt_properties jack_properties = MLT_FILTER_PROPERTIES(jack);
+
+       mlt_service_attach( MLT_CONSUMER_SERVICE(consumer), jack );
+       mlt_properties_set_int( properties, "audio_off", 1 );
+       mlt_properties_set_data( properties, "jack_filter", jack, 0, (mlt_destructor) mlt_filter_close, NULL );
+//     mlt_properties_set( jack_properties, "out_1", "system:playback_1" );
+//     mlt_properties_set( jack_properties, "out_2", "system:playback_2" );
+       mlt_events_listen( jack_properties, consumer, "jack-started", (mlt_listener) on_jack_started );
+       mlt_events_listen( jack_properties, consumer, "jack-stopped", (mlt_listener) on_jack_stopped );
+}
+
 static mlt_consumer create_consumer( mlt_profile profile, char *id )
 {
        char *myid = id ? strdup( id ) : NULL;
@@ -199,7 +278,7 @@ static void load_consumer( mlt_consumer *consumer, mlt_profile profile, int argc
        }
 }
 
-#ifdef __DARWIN__
+#if defined(__DARWIN__) || defined(WIN32)
 
 static void event_handling( mlt_producer producer, mlt_consumer consumer )
 {
@@ -263,7 +342,7 @@ static void transport( mlt_producer producer, mlt_consumer consumer )
                                transport_action( producer, string );
                        }
 
-#ifdef __DARWIN__
+#if defined(__DARWIN__) || defined(WIN32)
                        event_handling( producer, consumer );
 #endif
 
@@ -281,7 +360,7 @@ static void transport( mlt_producer producer, mlt_consumer consumer )
                                }
                                else
                                {
-                                       fprintf( stderr, "Current Position: %10d\r", (int)mlt_producer_position( producer ) );
+                                       fprintf( stderr, "Current Position: %10d\r", (int)mlt_consumer_position( consumer ) );
                                }
                        }
 
@@ -310,6 +389,7 @@ static void show_usage( char *program_name )
 "  -filter filter[:arg] [name=value]*       Add a filter to the current track\n"
 "  -group [name=value]*                     Apply properties repeatedly\n"
 "  -help                                    Show this message\n"
+"  -jack                                    Enable JACK transport synchronization\n"
 "  -join clips                              Join multiple clips into one cut\n"
 "  -mix length                              Add a mix between the last two cuts\n"
 "  -mixer transition                        Add a transition to the mix\n"
@@ -323,6 +403,11 @@ static void show_usage( char *program_name )
 "  -query \"filters\" | \"filter\"=id           List filters or show info about one\n"
 "  -query \"producers\" | \"producer\"=id       List producers or show info about one\n"
 "  -query \"transitions\" | \"transition\"=id   List transitions, show info about one\n"
+"  -query \"profiles\" | \"profile\"=id         List profiles, show info about one\n"
+"  -query \"presets\" | \"preset\"=id           List presets, show info about one\n"
+"  -query \"formats\"                         List audio/video formats\n"
+"  -query \"audio_codecs\"                    List audio codecs\n"
+"  -query \"video_codecs\"                    List video codecs\n"
 "  -serialise [filename]                    Write the commands to a text file\n"
 "  -silent                                  Do not display position/transport\n"
 "  -split relative-frame                    Split the last cut into two cuts\n"
@@ -347,6 +432,7 @@ static void guess_profile( mlt_producer melt, mlt_profile profile )
 
        if ( ! mlt_service_get_frame( MLT_PRODUCER_SERVICE(melt), &fr, 0 ) && fr )
        {
+               mlt_properties_set_double( MLT_FRAME_PROPERTIES( fr ), "consumer_aspect_ratio", mlt_profile_sar( profile ) );
                if ( ! mlt_frame_get_image( fr, &buffer, &fmt, &w, &h, 0 ) )
                {
                        // Some source properties are not exposed until after the first get_image call.
@@ -361,6 +447,11 @@ static void guess_profile( mlt_producer melt, mlt_profile profile )
                                profile->progressive = mlt_properties_get_int( p, "meta.media.progressive" );
                                profile->frame_rate_num = mlt_properties_get_int( p, "meta.media.frame_rate_num" );
                                profile->frame_rate_den = mlt_properties_get_int( p, "meta.media.frame_rate_den" );
+                               // AVCHD is mis-reported as double frame rate.
+                               if ( profile->progressive == 0 && (
+                                    profile->frame_rate_num / profile->frame_rate_den == 50 ||
+                                    profile->frame_rate_num / profile->frame_rate_den == 59 ) )
+                                       profile->frame_rate_num /= 2;
                                profile->sample_aspect_num = mlt_properties_get_int( p, "meta.media.sample_aspect_num" );
                                profile->sample_aspect_den = mlt_properties_get_int( p, "meta.media.sample_aspect_den" );
                                profile->colorspace = mlt_properties_get_int( p, "meta.media.colorspace" );
@@ -426,6 +517,119 @@ static void query_services( mlt_repository repo, mlt_service_type type )
        fprintf( stderr, "...\n" );
 }
 
+static void query_profiles()
+{
+       mlt_properties profiles = mlt_profile_list();
+       fprintf( stderr, "---\nprofiles:\n" );
+       if ( profiles )
+       {
+               int j;
+               for ( j = 0; j < mlt_properties_count( profiles ); j++ )
+                       fprintf( stderr, "  - %s\n", mlt_properties_get_name( profiles, j ) );
+       }
+       fprintf( stderr, "...\n" );
+       mlt_properties_close( profiles );
+}
+
+static void query_profile( const char *id )
+{
+       mlt_properties profiles = mlt_profile_list();
+       mlt_properties profile = mlt_properties_get_data( profiles, id, NULL );
+       if ( profile )
+       {
+               char *s = mlt_properties_serialise_yaml( profile );
+               fprintf( stderr, "%s", s );
+               free( s );
+       }
+       else
+       {
+               fprintf( stderr, "# No metadata for profile \"%s\"\n", id );
+       }
+       mlt_properties_close( profiles );
+}
+
+static void query_presets()
+{
+       mlt_properties presets = mlt_repository_presets();
+       fprintf( stderr, "---\npresets:\n" );
+       if ( presets )
+       {
+               int j;
+               for ( j = 0; j < mlt_properties_count( presets ); j++ )
+                       fprintf( stderr, "  - %s\n", mlt_properties_get_name( presets, j ) );
+       }
+       fprintf( stderr, "...\n" );
+       mlt_properties_close( presets );
+}
+
+static void query_preset( const char *id )
+{
+       mlt_properties presets = mlt_repository_presets();
+       mlt_properties preset = mlt_properties_get_data( presets, id, NULL );
+       if ( preset )
+       {
+               char *s = mlt_properties_serialise_yaml( preset );
+               fprintf( stderr, "%s", s );
+               free( s );
+       }
+       else
+       {
+               fprintf( stderr, "# No metadata for preset \"%s\"\n", id );
+       }
+       mlt_properties_close( presets );
+}
+
+static void query_formats( )
+{
+       mlt_consumer consumer = mlt_factory_consumer( NULL, "avformat", NULL );
+       if ( consumer )
+       {
+               mlt_properties_set( MLT_CONSUMER_PROPERTIES(consumer), "f", "list" );
+               mlt_consumer_start( consumer );
+               mlt_consumer_close( consumer );
+       }
+       else
+       {
+               fprintf( stderr, "# No formats - failed to load avformat consumer\n" );
+       }
+}
+
+static void query_acodecs( )
+{
+       mlt_consumer consumer = mlt_factory_consumer( NULL, "avformat", NULL );
+       if ( consumer )
+       {
+               mlt_properties_set( MLT_CONSUMER_PROPERTIES(consumer), "acodec", "list" );
+               mlt_consumer_start( consumer );
+               mlt_consumer_close( consumer );
+       }
+       else
+       {
+               fprintf( stderr, "# No audio codecs - failed to load avformat consumer\n" );
+       }
+}
+
+static void query_vcodecs( )
+{
+       mlt_consumer consumer = mlt_factory_consumer( NULL, "avformat", NULL );
+       if ( consumer )
+       {
+               mlt_properties_set( MLT_CONSUMER_PROPERTIES(consumer), "vcodec", "list" );
+               mlt_consumer_start( consumer );
+               mlt_consumer_close( consumer );
+       }
+       else
+       {
+               fprintf( stderr, "# No video codecs - failed to load avformat consumer\n" );
+       }
+}
+
+static void on_fatal_error( mlt_properties owner, mlt_consumer consumer )
+{
+       mlt_consumer_stop( consumer );
+       exit( EXIT_FAILURE );
+}
+
 int main( int argc, char **argv )
 {
        int i;
@@ -441,6 +645,10 @@ int main( int argc, char **argv )
        // Construct the factory
        mlt_repository repo = mlt_factory_init( NULL );
 
+#ifdef WIN32
+       is_silent = 1;
+#endif
+       
        for ( i = 1; i < argc; i ++ )
        {
                // Check for serialisation switch
@@ -481,7 +689,17 @@ int main( int argc, char **argv )
                                        query_services( repo, producer_type );
                                else if ( !strcmp( pname, "transitions" ) || !strcmp( pname, "transition" ) )
                                        query_services( repo, transition_type );
-                               
+                               else if ( !strcmp( pname, "profiles" ) || !strcmp( pname, "profile" ) )
+                                       query_profiles();
+                               else if ( !strcmp( pname, "presets" ) || !strcmp( pname, "preset" ) )
+                                       query_presets();
+                               else if ( !strncmp( pname, "format", 6 ) )
+                                       query_formats();
+                               else if ( !strncmp( pname, "acodec", 6 ) || !strcmp( pname, "audio_codecs" ) )
+                                       query_acodecs();
+                               else if ( !strncmp( pname, "vcodec", 6 ) || !strcmp( pname, "video_codecs" ) )
+                                       query_vcodecs();
+
                                else if ( !strncmp( pname, "consumer=", 9 ) )
                                        query_metadata( repo, consumer_type, "consumer", strchr( pname, '=' ) + 1 );
                                else if ( !strncmp( pname, "filter=", 7 ) )
@@ -490,6 +708,10 @@ int main( int argc, char **argv )
                                        query_metadata( repo, producer_type, "producer", strchr( pname, '=' ) + 1 );
                                else if ( !strncmp( pname, "transition=", 11 ) )
                                        query_metadata( repo, transition_type, "transition", strchr( pname, '=' ) + 1 );
+                               else if ( !strncmp( pname, "profile=", 8 ) )
+                                       query_profile( strchr( pname, '=' ) + 1 );
+                               else if ( !strncmp( pname, "preset=", 7 ) )
+                                       query_preset( strchr( pname, '=' ) + 1 );
                                else
                                        goto query_all;
                        }
@@ -517,7 +739,7 @@ query_all:
                else if ( !strcmp( argv[ i ], "-version" ) || !strcmp( argv[ i ], "--version" ) )
                {
                        fprintf( stderr, "MLT %s " VERSION "\n"
-                               "Copyright (C) 2002-2010 Ushodaya Enterprises Limited\n"
+                               "Copyright (C) 2002-2011 Ushodaya Enterprises Limited\n"
                                "<http://www.mltframework.org/>\n"
                                "This is free software; see the source for copying conditions.  There is NO\n"
                                "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
@@ -531,6 +753,8 @@ query_all:
        }
 
        // Create profile if not set explicitly
+       if ( getenv( "MLT_PROFILE" ) )
+               profile = mlt_profile_init( NULL );
        if ( profile == NULL )
                profile = mlt_profile_init( NULL );
        else
@@ -560,8 +784,12 @@ query_all:
        {
                // Generate an automatic profile if needed.
                if ( ! profile->is_explicit )
+               {
                        guess_profile( melt, profile );
-
+                       mlt_producer_close( melt );
+                       melt = mlt_factory_producer( profile, "melt", &argv[ 1 ] );
+               }
+               
                // Reload the consumer with the fully qualified profile.
                // The producer or guess_profile could have changed the profile.
                load_consumer( &consumer, profile, argc, argv );
@@ -587,7 +815,11 @@ query_all:
                // Parse the arguments
                for ( i = 1; i < argc; i ++ )
                {
-                       if ( !strcmp( argv[ i ], "-serialise" ) )
+                       if ( !strcmp( argv[ i ], "-jack" ) )
+                       {
+                               setup_jack_transport( consumer, profile );
+                       }
+                       else if ( !strcmp( argv[ i ], "-serialise" ) )
                        {
                                if ( store != stdout )
                                        i ++;
@@ -626,13 +858,15 @@ query_all:
                        mlt_consumer_connect( consumer, MLT_PRODUCER_SERVICE( melt ) );
 
                        // Start the consumer
-                       mlt_consumer_start( consumer );
-
-                       // Transport functionality
-                       transport( melt, consumer );
-
-                       // Stop the consumer
-                       mlt_consumer_stop( consumer );
+                       mlt_events_listen( properties, consumer, "consumer-fatal-error", ( mlt_listener )on_fatal_error );
+                       if ( mlt_consumer_start( consumer ) == 0 )
+                       {
+                               // Transport functionality
+                               transport( melt, consumer );
+                               
+                               // Stop the consumer
+                               mlt_consumer_stop( consumer );
+                       }       
                }
                else if ( store != NULL && store != stdout && name != NULL )
                {