/*
* melt.c -- MLT command line utility
- * Copyright (C) 2002-2008 Ushodaya Enterprises Limited
- * Author: Charles Yates <charles.yates@pandora.be>
+ * Copyright (C) 2002-2010 Ushodaya Enterprises Limited
+ * Authors: Charles Yates <charles.yates@pandora.be>
+ * Dan Dennedy <dan@dennedy.org>
*
* 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
#include <string.h>
#include <sched.h>
#include <libgen.h>
+#include <limits.h>
#include <framework/mlt.h>
static mlt_consumer create_consumer( mlt_profile profile, char *id )
{
- char *arg = id != NULL ? strchr( id, ':' ) : NULL;
+ char *myid = id ? strdup( id ) : NULL;
+ char *arg = myid ? strchr( myid, ':' ) : NULL;
if ( arg != NULL )
*arg ++ = '\0';
- mlt_consumer consumer = mlt_factory_consumer( profile, id, arg );
+ mlt_consumer consumer = mlt_factory_consumer( profile, myid, arg );
if ( consumer != NULL )
{
mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
}
+ if ( myid )
+ free( myid );
return consumer;
}
+static void load_consumer( mlt_consumer *consumer, mlt_profile profile, int argc, char **argv )
+{
+ int i;
+ for ( i = 1; i < argc; i ++ )
+ {
+ if ( !strcmp( argv[ i ], "-consumer" ) )
+ {
+ if ( *consumer )
+ mlt_consumer_close( *consumer );
+ *consumer = create_consumer( profile, argv[ ++ i ] );
+ if ( *consumer )
+ {
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( *consumer );
+ while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
+ mlt_properties_parse( properties, argv[ ++ i ] );
+ }
+ }
+ }
+}
+
#ifdef __DARWIN__
static void event_handling( 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 ) );
}
}
- if ( silent )
+ if ( silent || progress )
nanosleep( &tm, NULL );
}
}
}
+static void show_usage( char *program_name )
+{
+ fprintf( stderr,
+"Usage: %s [options] [producer [name=value]* ]+\n"
+"Options:\n"
+" -attach filter[:arg] [name=value]* Attach a filter to the output\n"
+" -attach-cut filter[:arg] [name=value]* Attach a filter to a cut\n"
+" -attach-track filter[:arg] [name=value]* Attach a filter to a track\n"
+" -attach-clip filter[:arg] [name=value]* Attach a filter to a producer\n"
+" -audio-track | -hide-video Add an audio-only track\n"
+" -blank frames Add blank silence to a track\n"
+" -consumer id[:arg] [name=value]* Set the consumer (sink)\n"
+" -debug Set the logging level to debug\n"
+" -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"
+" -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"
+" -null-track | -hide-track Add a hidden track\n"
+" -profile name Set the processing settings\n"
+" -progress Display progress along with position\n"
+" -remove Remove the most recent cut\n"
+" -repeat times Repeat the last cut\n"
+" -query List all of the registered services\n"
+" -query \"consumers\" | \"consumer\"=id List consumers or show info about one\n"
+" -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"
+" -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"
+" -swap Rearrange the last two cuts\n"
+" -track Add a track\n"
+" -transition id[:arg] [name=value]* Add a transition\n"
+" -verbose Set the logging level to verbose\n"
+" -version Show the version and copyright\n"
+" -video-track | -hide-audio Add a video-only track\n"
+"For more help: <http://www.mltframework.org/>\n",
+ basename( program_name ) );
+}
+
+static void guess_profile( mlt_producer melt, mlt_profile profile )
+{
+ mlt_frame fr = NULL;
+ uint8_t *buffer;
+ mlt_image_format fmt = mlt_image_yuv422;
+ mlt_properties p;
+ int w = profile->width;
+ int h = profile->height;
+
+ if ( ! mlt_service_get_frame( MLT_PRODUCER_SERVICE(melt), &fr, 0 ) && fr )
+ {
+ if ( ! mlt_frame_get_image( fr, &buffer, &fmt, &w, &h, 0 ) )
+ {
+ // Some source properties are not exposed until after the first get_image call.
+ mlt_frame_close( fr );
+ mlt_service_get_frame( MLT_PRODUCER_SERVICE(melt), &fr, 0 );
+ p = MLT_FRAME_PROPERTIES( fr );
+// mlt_properties_dump(p, stderr);
+ if ( mlt_properties_get_int( p, "meta.media.frame_rate_den" ) && mlt_properties_get_int( p, "meta.media.sample_aspect_den" ) )
+ {
+ profile->width = mlt_properties_get_int( p, "meta.media.width" );
+ profile->height = mlt_properties_get_int( p, "meta.media.height" );
+ 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" );
+ profile->display_aspect_num = (int) ( (double) profile->sample_aspect_num * profile->width / profile->sample_aspect_den + 0.5 );
+ profile->display_aspect_den = profile->height;
+ free( profile->description );
+ profile->description = strdup( "automatic" );
+ profile->is_explicit = 0;
+ }
+ }
+ }
+ mlt_frame_close( fr );
+ mlt_producer_seek( melt, 0 );
+}
+
static void query_metadata( mlt_repository repo, mlt_service_type type, const char *typestr, char *id )
{
mlt_properties metadata = mlt_repository_metadata( repo, type, id );
mlt_profile profile = NULL;
int is_progress = 0;
int is_silent = 0;
+ mlt_profile backup_profile;
// Construct the factory
mlt_repository repo = mlt_factory_init( NULL );
else if ( !strcmp( argv[ i ], "-version" ) || !strcmp( argv[ i ], "--version" ) )
{
fprintf( stderr, "MLT %s " VERSION "\n"
- "Copyright (C) 2002-2009 Ushodaya Enterprises Limited\n"
+ "Copyright (C) 2002-2010 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",
// Create profile if not set explicitly
if ( profile == NULL )
profile = mlt_profile_init( NULL );
-
- // Look for the consumer option
- for ( i = 1; i < argc; i ++ )
- {
- if ( !strcmp( argv[ i ], "-consumer" ) )
- {
- consumer = create_consumer( profile, argv[ ++ i ] );
- if ( consumer )
- {
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
- while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
- mlt_properties_parse( properties, argv[ ++ i ] );
- }
- }
- }
-
- // If we have no consumer, default to sdl
- if ( store == NULL && consumer == NULL )
- consumer = create_consumer( profile, NULL );
+ else
+ profile->is_explicit = 1;
+
+ // Look for the consumer option to load profile settings from consumer properties
+ backup_profile = mlt_profile_clone( profile );
+ load_consumer( &consumer, profile, argc, argv );
+
+ // If the consumer changed the profile, then it is explicit.
+ if ( backup_profile && !profile->is_explicit && (
+ profile->width != backup_profile->width ||
+ profile->height != backup_profile->height ||
+ profile->sample_aspect_num != backup_profile->sample_aspect_num ||
+ profile->sample_aspect_den != backup_profile->sample_aspect_den ||
+ profile->frame_rate_den != backup_profile->frame_rate_den ||
+ profile->frame_rate_num != backup_profile->frame_rate_num ||
+ profile->colorspace != backup_profile->colorspace ) )
+ profile->is_explicit = 1;
+ mlt_profile_close( backup_profile );
// Get melt producer
if ( argc > 1 )
melt = mlt_factory_producer( profile, "melt", &argv[ 1 ] );
+ if ( melt )
+ {
+ // 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 );
+
+ // If we have no consumer, default to sdl
+ if ( store == NULL && consumer == NULL )
+ consumer = create_consumer( profile, NULL );
+ }
+
// Set transport properties on consumer and produder
if ( consumer != NULL && melt != NULL )
{
}
else
{
- fprintf( stderr,
-"Usage: %s [options] [producer [name=value]* ]+\n"
-"Options:\n"
-" -attach filter[:arg] [name=value]* Attach a filter to the output\n"
-" -attach-cut filter[:arg] [name=value]* Attach a filter to a cut\n"
-" -attach-track filter[:arg] [name=value]* Attach a filter to a track\n"
-" -attach-clip filter[:arg] [name=value]* Attach a filter to a producer\n"
-" -audio-track | -hide-video Add an audio-only track\n"
-" -blank frames Add blank silence to a track\n"
-" -consumer id[:arg] [name=value]* Set the consumer (sink)\n"
-" -debug Set the logging level to debug\n"
-" -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"
-" -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"
-" -null-track | -hide-track Add a hidden track\n"
-" -profile name Set the processing settings\n"
-" -progress Display progress along with position\n"
-" -remove Remove the most recent cut\n"
-" -repeat times Repeat the last cut\n"
-" -query List all of the registered services\n"
-" -query \"consumers\" | \"consumer\"=id List consumers or show info about one\n"
-" -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"
-" -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"
-" -swap Rearrange the last two cuts\n"
-" -track Add a track\n"
-" -transition id[:arg] [name=value]* Add a transition\n"
-" -verbose Set the logging level to verbose\n"
-" -version Show the version and copyright\n"
-" -video-track | -hide-audio Add a video-only track\n"
-"For more help: <http://www.mltframework.org/>\n",
- basename( argv[0] ) );
+ show_usage( argv[0] );
}
- // Close the consumer
- if ( consumer != NULL )
- mlt_consumer_close( consumer );
-
// Close the producer
if ( melt != NULL )
mlt_producer_close( melt );
+ // Close the consumer
+ if ( consumer != NULL )
+ mlt_consumer_close( consumer );
+
// Close the factory
mlt_profile_close( profile );
projects / mlt / blobdiff