static void query_services( mlt_repository repo, mlt_service_type type )
{
mlt_properties services = NULL;
const char *typestr = NULL;
switch ( type )
{
case consumer_type:
services = mlt_repository_consumers( repo );
typestr = "consumers";
break;
case filter_type:
services = mlt_repository_filters( repo );
typestr = "filters";
break;
case producer_type:
services = mlt_repository_producers( repo );
typestr = "producers";
break;
case transition_type:
services = mlt_repository_transitions( repo );
typestr = "transitions";
break;
default:
return;
}
fprintf( stderr, "---\n%s:\n", typestr );
if ( services )
{
int j;
for ( j = 0; j < mlt_properties_count( services ); j++ )
fprintf( stderr, " - %s\n", mlt_properties_get_name( services, j ) );
}
fprintf( stderr, "...\n" );
}
static mlt_filter obtain_filter( mlt_filter filter, char *type )
{
// Result to return
mlt_filter result = NULL;
// Miscelaneous variable
int i = 0;
int type_len = strlen( type );
// Get the properties of the data show filter
mlt_properties filter_properties = MLT_FILTER_PROPERTIES( filter );
// Get the profile properties
mlt_properties profile_properties = mlt_properties_get_data( filter_properties, "profile_properties", NULL );
// Obtain the profile_properties if we haven't already
if ( profile_properties == NULL )
{
char temp[ 512 ];
// Get the profile requested
char *profile = mlt_properties_get( filter_properties, "resource" );
// If none is specified, pick up the default for this normalisation
if ( profile == NULL )
sprintf( temp, "%s/feeds/%s/data_fx.properties", mlt_environment( "MLT_DATA" ), mlt_environment( "MLT_NORMALISATION" ) );
else if ( strchr( profile, '%' ) )
sprintf( temp, "%s/feeds/%s/%s", mlt_environment( "MLT_DATA" ), mlt_environment( "MLT_NORMALISATION" ), strchr( profile, '%' ) + 1 );
else
{
strncpy( temp, profile, sizeof( temp ) );
temp[ sizeof( temp ) - 1 ] = '\0';
}
// Load the specified profile or use the default
profile_properties = mlt_properties_load( temp );
// Store for later retrieval
mlt_properties_set_data( filter_properties, "profile_properties", profile_properties, 0, ( mlt_destructor )mlt_properties_close, NULL );
}
if ( profile_properties != NULL )
{
for ( i = 0; i < mlt_properties_count( profile_properties ); i ++ )
{
char *name = mlt_properties_get_name( profile_properties, i );
char *value = mlt_properties_get_value( profile_properties, i );
if ( result == NULL && !strcmp( name, type ) && result == NULL )
result = mlt_factory_filter( mlt_service_profile( MLT_FILTER_SERVICE( filter ) ), value, NULL );
else if ( result != NULL && !strncmp( name, type, type_len ) && name[ type_len ] == '.' )
mlt_properties_set( MLT_FILTER_PROPERTIES( result ), name + type_len + 1, value );
else if ( result != NULL )
break;
}
}
return result;
}
static void query_presets()
{
mlt_properties presets = mlt_repository_presets();
fprintf( stdout, "---\npresets:\n" );
if ( presets )
{
int j;
for ( j = 0; j < mlt_properties_count( presets ); j++ )
fprintf( stdout, " - %s\n", mlt_properties_get_name( presets, j ) );
}
fprintf( stdout, "...\n" );
mlt_properties_close( presets );
}
std::ostream& operator <<(std::ostream& os, mlt_properties props)
{
int count = mlt_properties_count(props);
os<<"{"<<endl;
for ( int i=0; i<count; i++) {
char buf[1024];
const char* name = mlt_properties_get_name(props, i);
snprintf(buf, sizeof(buf), "%s: %s\n", name, mlt_properties_get(props, name));
os << buf ;
}
os<<"}"<<endl;
return os;
}
static void query_profiles()
{
mlt_properties profiles = mlt_profile_list();
fprintf( stdout, "---\nprofiles:\n" );
if ( profiles )
{
int j;
for ( j = 0; j < mlt_properties_count( profiles ); j++ )
fprintf( stdout, " - %s\n", mlt_properties_get_name( profiles, j ) );
}
fprintf( stdout, "...\n" );
mlt_properties_close( profiles );
}
void mlt_service_cache_purge( mlt_service self )
{
mlt_properties caches = mlt_properties_get_data( mlt_global_properties(), "caches", NULL );
if ( caches )
{
int i = mlt_properties_count( caches );
while ( i-- )
{
mlt_cache_purge( mlt_properties_get_data_at( caches, i, NULL ), self );
mlt_properties_set_data( mlt_global_properties(), mlt_properties_get_name( caches, i ), NULL, 0, NULL, NULL );
}
}
}
static void check_thread_safe( mlt_properties properties, const char *name )
{
char dirname[PATH_MAX];
snprintf( dirname, PATH_MAX, "%s/frei0r/not_thread_safe.txt", mlt_environment( "MLT_DATA" ) );
mlt_properties not_thread_safe = mlt_properties_load( dirname );
int i;
for ( i = 0; i < mlt_properties_count( not_thread_safe ); i++ )
{
if ( strcmp( name, mlt_properties_get_name( not_thread_safe, i ) ) == 0 )
{
mlt_properties_set_int( properties, "_not_thread_safe", 1 );
break;
}
}
mlt_properties_close( not_thread_safe );
}
static mlt_producer create_producer( mlt_profile profile, char *file )
{
mlt_producer result = NULL;
// 1st Line - check for service:resource handling
if ( strchr( file, ':' ) )
{
char *temp = strdup( file );
char *service = temp;
char *resource = strchr( temp, ':' );
*resource ++ = '\0';
result = mlt_factory_producer( profile, service, resource );
free( temp );
}
// 2nd Line preferences
if ( result == NULL )
{
int i = 0;
char *lookup = strdup( file );
char *p = lookup;
// Make backup of profile for determining if we need to use 'consumer' producer.
mlt_profile backup_profile = mlt_profile_clone( profile );
// We only need to load the dictionary once
if ( dictionary == NULL )
{
char temp[ 1024 ];
sprintf( temp, "%s/core/loader.dict", mlt_environment( "MLT_DATA" ) );
dictionary = mlt_properties_load( temp );
mlt_factory_register_for_clean_up( dictionary, ( mlt_destructor )mlt_properties_close );
}
// Convert the lookup string to lower case
while ( *p )
{
*p = tolower( *p );
p ++;
}
// Iterate through the dictionary
for ( i = 0; result == NULL && i < mlt_properties_count( dictionary ); i ++ )
{
char *name = mlt_properties_get_name( dictionary, i );
if ( fnmatch( name, lookup, 0 ) == 0 )
result = create_from( profile, file, mlt_properties_get_value( dictionary, i ) );
}
// Check if the producer changed the profile - xml does this.
// The consumer producer does not handle frame rate differences.
if ( result && backup_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->colorspace != backup_profile->colorspace ) )
{
// Restore the original profile attributes.
profile->display_aspect_den = backup_profile->display_aspect_den;
profile->display_aspect_num = backup_profile->display_aspect_num;
profile->frame_rate_den = backup_profile->frame_rate_den;
profile->frame_rate_num = backup_profile->frame_rate_num;
profile->height = backup_profile->height;
profile->progressive = backup_profile->progressive;
profile->sample_aspect_den = backup_profile->sample_aspect_den;
profile->sample_aspect_num = backup_profile->sample_aspect_num;
profile->width = backup_profile->width;
// Use the 'consumer' producer.
mlt_producer_close( result );
result = mlt_factory_producer( profile, "consumer", file );
}
mlt_profile_close( backup_profile );
free( lookup );
}
// Finally, try just loading as service
if ( result == NULL )
result = mlt_factory_producer( profile, file, NULL );
return result;
}
int mlt_producer_optimise( mlt_producer self )
{
int error = 1;
mlt_parser parser = mlt_parser_new( );
if ( parser != NULL )
{
int i = 0, j = 0, k = 0;
mlt_properties properties = mlt_parser_properties( parser );
mlt_properties producers = mlt_properties_new( );
mlt_deque stack = mlt_deque_init( );
mlt_properties_set_data( properties, "producers", producers, 0, ( mlt_destructor )mlt_properties_close, NULL );
mlt_properties_set_data( properties, "stack", stack, 0, ( mlt_destructor )mlt_deque_close, NULL );
parser->on_start_producer = on_start_producer;
parser->on_start_track = on_start_track;
parser->on_end_track = on_end_track;
parser->on_start_multitrack = on_start_multitrack;
parser->on_end_multitrack = on_end_multitrack;
push( parser, 0, 0, 0 );
mlt_parser_start( parser, MLT_PRODUCER_SERVICE( self ) );
free( pop( parser ) );
for ( k = 0; k < mlt_properties_count( producers ); k ++ )
{
char *name = mlt_properties_get_name( producers, k );
int count = 0;
int clones = 0;
int max_clones = 0;
mlt_producer producer = mlt_properties_get_data_at( producers, k, &count );
if ( producer != NULL && count > 1 )
{
clip_references *refs = mlt_properties_get_data( properties, name, &count );
for ( i = 0; i < count; i ++ )
{
clones = 0;
for ( j = i + 1; j < count; j ++ )
{
if ( intersect( &refs[ i ], &refs[ j ] ) )
{
clones ++;
mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( refs[ j ].cut ), "_clone", clones );
}
}
if ( clones > max_clones )
max_clones = clones;
}
for ( i = 0; i < count; i ++ )
{
mlt_producer cut = refs[ i ].cut;
if ( mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( cut ), "_clone" ) == -1 )
mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( cut ), "_clone", 0 );
}
mlt_producer_set_clones( producer, max_clones );
}
else if ( producer != NULL )
{
clip_references *refs = mlt_properties_get_data( properties, name, &count );
for ( i = 0; i < count; i ++ )
{
mlt_producer cut = refs[ i ].cut;
mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( cut ), "_clone", 0 );
}
mlt_producer_set_clones( producer, 0 );
}
}
mlt_parser_close( parser );
}
return error;
}
static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int index )
{
int result = 1;
mlt_producer self = service != NULL ? service->child : NULL;
if ( self != NULL && !mlt_producer_is_cut( self ) )
{
// Get the properties of this producer
mlt_properties properties = MLT_PRODUCER_PROPERTIES( self );
// Determine eof handling
char *eof = mlt_properties_get( MLT_PRODUCER_PROPERTIES( self ), "eof" );
// Get the speed of the producer
double speed = mlt_producer_get_speed( self );
// We need to use the clone if it's specified
mlt_producer clone = mlt_properties_get_data( properties, "use_clone", NULL );
// If no clone is specified, use self
clone = clone == NULL ? self : clone;
// A properly instatiated producer will have a get_frame method...
if ( self->get_frame == NULL || ( eof && !strcmp( eof, "continue" ) && mlt_producer_position( self ) > mlt_producer_get_out( self ) ) )
{
// Generate a test frame
*frame = mlt_frame_init( service );
// Set the position
result = mlt_frame_set_position( *frame, mlt_producer_position( self ) );
// Mark as a test card
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_image", 1 );
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_audio", 1 );
// Calculate the next position
mlt_producer_prepare_next( self );
}
else
{
// Get the frame from the implementation
result = self->get_frame( clone, frame, index );
}
// Copy the fps and speed of the producer onto the frame
properties = MLT_FRAME_PROPERTIES( *frame );
mlt_properties_set_double( properties, "_speed", speed );
mlt_properties_set_int( properties, "test_audio", mlt_frame_is_test_audio( *frame ) );
mlt_properties_set_int( properties, "test_image", mlt_frame_is_test_card( *frame ) );
if ( mlt_properties_get_data( properties, "_producer", NULL ) == NULL )
mlt_properties_set_data( properties, "_producer", service, 0, NULL, NULL );
}
else if ( self != NULL )
{
// Get the speed of the cut
double speed = mlt_producer_get_speed( self );
// Get the parent of the cut
mlt_producer parent = mlt_producer_cut_parent( self );
// Get the properties of the parent
mlt_properties parent_properties = MLT_PRODUCER_PROPERTIES( parent );
// Get the properties of the cut
mlt_properties properties = MLT_PRODUCER_PROPERTIES( self );
// Determine the clone index
int clone_index = mlt_properties_get_int( properties, "_clone" );
// Determine the clone to use
mlt_producer clone = self;
if ( clone_index > 0 )
{
char key[ 25 ];
sprintf( key, "_clone.%d", clone_index - 1 );
clone = mlt_properties_get_data( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( self ) ), key, NULL );
if ( clone == NULL ) mlt_log( service, MLT_LOG_ERROR, "requested clone doesn't exist %d\n", clone_index );
clone = clone == NULL ? self : clone;
}
else
{
clone = parent;
}
// We need to seek to the correct position in the clone
mlt_producer_seek( clone, mlt_producer_get_in( self ) + mlt_properties_get_int( properties, "_position" ) );
// Assign the clone property to the parent
mlt_properties_set_data( parent_properties, "use_clone", clone, 0, NULL, NULL );
// Now get the frame from the parents service
result = mlt_service_get_frame( MLT_PRODUCER_SERVICE( parent ), frame, index );
// We're done with the clone now
mlt_properties_set_data( parent_properties, "use_clone", NULL, 0, NULL, NULL );
// This is useful and required by always_active transitions to determine in/out points of the cut
if ( mlt_properties_get_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", NULL ) == MLT_PRODUCER_SERVICE( parent ) )
mlt_properties_set_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", self, 0, NULL, NULL );
mlt_properties_set_double( MLT_FRAME_PROPERTIES( *frame ), "_speed", speed );
mlt_producer_prepare_next( self );
}
else
{
*frame = mlt_frame_init( service );
result = 0;
}
// Pass on all meta properties from the producer/cut on to the frame
if ( *frame != NULL && self != NULL )
{
int i = 0;
mlt_properties p_props = MLT_PRODUCER_PROPERTIES( self );
mlt_properties f_props = MLT_FRAME_PROPERTIES( *frame );
mlt_properties_lock( p_props );
int count = mlt_properties_count( p_props );
for ( i = 0; i < count; i ++ )
{
char *name = mlt_properties_get_name( p_props, i );
if ( !strncmp( name, "meta.", 5 ) )
mlt_properties_set( f_props, name, mlt_properties_get_value( p_props, i ) );
else if ( !strncmp( name, "set.", 4 ) )
mlt_properties_set( f_props, name + 4, mlt_properties_get_value( p_props, i ) );
}
mlt_properties_unlock( p_props );
}
return result;
}
mlt_producer producer_pango_init( const char *filename )
{
producer_pango this = calloc( sizeof( struct producer_pango_s ), 1 );
if ( this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
{
mlt_producer producer = &this->parent;
pthread_mutex_lock( &pango_mutex );
if ( fontmap == NULL )
fontmap = (PangoFT2FontMap*) pango_ft2_font_map_new();
g_type_init();
pthread_mutex_unlock( &pango_mutex );
producer->get_frame = producer_get_frame;
producer->close = ( mlt_destructor )producer_close;
// Get the properties interface
mlt_properties properties = MLT_PRODUCER_PROPERTIES( &this->parent );
// Set the default properties
mlt_properties_set( properties, "fgcolour", "0xffffffff" );
mlt_properties_set( properties, "bgcolour", "0x00000000" );
mlt_properties_set( properties, "olcolour", "0x00000000" );
mlt_properties_set_int( properties, "align", pango_align_left );
mlt_properties_set_int( properties, "pad", 0 );
mlt_properties_set_int( properties, "outline", 0 );
mlt_properties_set( properties, "text", "" );
mlt_properties_set( properties, "font", NULL );
mlt_properties_set( properties, "family", "Sans" );
mlt_properties_set_int( properties, "size", 48 );
mlt_properties_set( properties, "style", "normal" );
mlt_properties_set( properties, "encoding", "UTF-8" );
mlt_properties_set_int( properties, "weight", PANGO_WEIGHT_NORMAL );
mlt_properties_set_int( properties, "seekable", 1 );
if ( filename == NULL || ( filename && ( !strcmp( filename, "" )
// workaround for old kdenlive countdown generator
|| strstr( filename, "<producer>" ) ) ) )
{
mlt_properties_set( properties, "markup", "" );
}
else if ( filename[ 0 ] == '+' || strstr( filename, "/+" ) )
{
char *copy = strdup( filename + 1 );
char *markup = copy;
if ( strstr( markup, "/+" ) )
markup = strstr( markup, "/+" ) + 2;
( *strrchr( markup, '.' ) ) = '\0';
while ( strchr( markup, '~' ) )
( *strchr( markup, '~' ) ) = '\n';
mlt_properties_set( properties, "resource", filename );
mlt_properties_set( properties, "markup", markup );
free( copy );
}
else if ( strstr( filename, ".mpl" ) )
{
int i = 0;
mlt_properties contents = mlt_properties_load( filename );
mlt_geometry key_frames = mlt_geometry_init( );
struct mlt_geometry_item_s item;
mlt_properties_set( properties, "resource", filename );
mlt_properties_set_data( properties, "contents", contents, 0, ( mlt_destructor )mlt_properties_close, NULL );
mlt_properties_set_data( properties, "key_frames", key_frames, 0, ( mlt_destructor )mlt_geometry_close, NULL );
// Make sure we have at least one entry
if ( mlt_properties_get( contents, "0" ) == NULL )
mlt_properties_set( contents, "0", "" );
for ( i = 0; i < mlt_properties_count( contents ); i ++ )
{
char *name = mlt_properties_get_name( contents, i );
char *value = mlt_properties_get_value( contents, i );
while ( value != NULL && strchr( value, '~' ) )
( *strchr( value, '~' ) ) = '\n';
item.frame = atoi( name );
mlt_geometry_insert( key_frames, &item );
}
mlt_geometry_interpolate( key_frames );
}
else
{
FILE *f = fopen( filename, "r" );
if ( f != NULL )
{
char line[81];
char *markup = NULL;
size_t size = 0;
line[80] = '\0';
while ( fgets( line, 80, f ) )
{
size += strlen( line ) + 1;
if ( markup )
{
markup = realloc( markup, size );
strcat( markup, line );
}
else
{
markup = strdup( line );
}
}
fclose( f );
if ( markup[ strlen( markup ) - 1 ] == '\n' )
markup[ strlen( markup ) - 1 ] = '\0';
mlt_properties_set( properties, "resource", filename );
mlt_properties_set( properties, "markup", ( markup == NULL ? "" : markup ) );
free( markup );
}
else
{
producer->close = NULL;
mlt_producer_close( producer );
producer = NULL;
free( this );
}
}
return producer;
}
free( this );
return NULL;
}
static void foreach_consumer_init( mlt_consumer consumer )
{
const char *resource = mlt_properties_get( MLT_CONSUMER_PROPERTIES(consumer), "resource" );
mlt_properties properties = mlt_properties_parse_yaml( resource );
char key[20];
int index = 0;
if ( mlt_properties_get_data( MLT_CONSUMER_PROPERTIES(consumer), "0", NULL ) )
{
// Properties set directly by application
mlt_properties p;
if ( properties )
mlt_properties_close( properties );
properties = MLT_CONSUMER_PROPERTIES(consumer);
do {
snprintf( key, sizeof(key), "%d", index );
if ( ( p = mlt_properties_get_data( properties, key, NULL ) ) )
generate_consumer( consumer, p, index++ );
} while ( p );
}
else if ( properties && mlt_properties_get_data( properties, "0", NULL ) )
{
// YAML file supplied
mlt_properties p;
do {
snprintf( key, sizeof(key), "%d", index );
if ( ( p = mlt_properties_get_data( properties, key, NULL ) ) )
generate_consumer( consumer, p, index++ );
} while ( p );
mlt_properties_close( properties );
}
else
{
// properties file supplied or properties on this consumer
const char *s;
if ( properties )
mlt_properties_close( properties );
if ( resource )
properties = mlt_properties_load( resource );
else
properties = MLT_CONSUMER_PROPERTIES( consumer );
do {
snprintf( key, sizeof(key), "%d", index );
if ( ( s = mlt_properties_get( properties, key ) ) )
{
mlt_properties p = mlt_properties_new();
int i, count;
if ( !p ) break;
mlt_properties_set( p, "mlt_service", mlt_properties_get( properties, key ) );
snprintf( key, sizeof(key), "%d.", index );
count = mlt_properties_count( properties );
for ( i = 0; i < count; i++ )
{
char *name = mlt_properties_get_name( properties, i );
if ( !strncmp( name, key, strlen(key) ) )
mlt_properties_set( p, name + strlen(key),
mlt_properties_get_value( properties, i ) );
}
generate_consumer( consumer, p, index++ );
mlt_properties_close( p );
}
} while ( s );
if ( resource )
mlt_properties_close( properties );
}
}
void TransitionHandler::updateTransitionParams(QString type, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml)
{
QScopedPointer<Mlt::Field> field(m_tractor->field());
field->lock();
mlt_service nextservice = mlt_service_get_producer(field->get_service());
mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
QString mlt_type = mlt_properties_get(properties, "mlt_type");
QString resource = mlt_properties_get(properties, "mlt_service");
int in_pos = (int) in.frames(m_fps);
int out_pos = (int) out.frames(m_fps) - 1;
while (mlt_type == QLatin1String("transition")) {
mlt_transition tr = (mlt_transition) nextservice;
int currentTrack = mlt_transition_get_b_track(tr);
int currentBTrack = mlt_transition_get_a_track(tr);
int currentIn = (int) mlt_transition_get_in(tr);
int currentOut = (int) mlt_transition_get_out(tr);
// //qDebug()<<"Looking for transition : " << currentIn <<'x'<<currentOut<< ", OLD oNE: "<<in_pos<<'x'<<out_pos;
if (resource == type && b_track == currentTrack && currentIn == in_pos && currentOut == out_pos) {
QMap<QString, QString> map = getTransitionParamsFromXml(xml);
QMap<QString, QString>::Iterator it;
QString key;
mlt_properties transproperties = MLT_TRANSITION_PROPERTIES(tr);
QString currentId = mlt_properties_get(transproperties, "kdenlive_id");
if (currentId != xml.attribute(QStringLiteral("id"))) {
// The transition ID is not the same, so reset all properties
mlt_properties_set(transproperties, "kdenlive_id", xml.attribute(QStringLiteral("id")).toUtf8().constData());
// Cleanup previous properties
QStringList permanentProps;
permanentProps << QStringLiteral("factory") << QStringLiteral("kdenlive_id") << QStringLiteral("mlt_service") << QStringLiteral("mlt_type") << QStringLiteral("in");
permanentProps << QStringLiteral("out") << QStringLiteral("a_track") << QStringLiteral("b_track");
for (int i = 0; i < mlt_properties_count(transproperties); ++i) {
QString propName = mlt_properties_get_name(transproperties, i);
if (!propName.startsWith('_') && ! permanentProps.contains(propName)) {
mlt_properties_set(transproperties, propName.toUtf8().constData(), "");
}
}
}
mlt_properties_set_int(transproperties, "force_track", xml.attribute(QStringLiteral("force_track")).toInt());
mlt_properties_set_int(transproperties, "automatic", xml.attribute(QStringLiteral("automatic"), QStringLiteral("0")).toInt());
if (currentBTrack != a_track) {
mlt_properties_set_int(transproperties, "a_track", a_track);
}
for (it = map.begin(); it != map.end(); ++it) {
key = it.key();
mlt_properties_set(transproperties, key.toUtf8().constData(), it.value().toUtf8().constData());
////qDebug() << " ------ UPDATING TRANS PARAM: " << key.toUtf8().constData() << ": " << it.value().toUtf8().constData();
//filter->set("kdenlive_id", id);
}
break;
}
nextservice = mlt_service_producer(nextservice);
if (nextservice == NULL) break;
properties = MLT_SERVICE_PROPERTIES(nextservice);
mlt_type = mlt_properties_get(properties, "mlt_type");
resource = mlt_properties_get(properties, "mlt_service");
}
field->unlock();
//askForRefresh();
//if (m_isBlocked == 0) m_mltConsumer->set("refresh", 1);
}
mlt_producer producer_framebuffer_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
if ( !arg ) return NULL;
mlt_producer producer = NULL;
producer = calloc( 1, sizeof( struct mlt_producer_s ) );
if ( !producer )
return NULL;
if ( mlt_producer_init( producer, NULL ) )
{
free( producer );
return NULL;
}
// Wrap loader
mlt_producer real_producer;
// Check if a speed was specified.
/**
* Speed must be appended to the filename with '?'. To play your video at 50%:
melt framebuffer:my_video.mpg?0.5
* Stroboscope effect can be obtained by adding a stobe=x parameter, where
x is the number of frames that will be ignored.
* You can play the movie backwards by adding reverse=1
* You can freeze the clip at a determined position by adding freeze=frame_pos
add freeze_after=1 to freeze only paste position or freeze_before to freeze before it
**/
double speed = 0.0;
char *props = strdup( arg );
char *ptr = strrchr( props, '?' );
if ( ptr )
{
speed = atof( ptr + 1 );
if ( speed != 0.0 )
// If speed was valid, then strip it and the delimiter.
// Otherwise, an invalid speed probably means this '?' was not a delimiter.
*ptr = '\0';
}
real_producer = mlt_factory_producer( profile, "abnormal", props );
free( props );
if (speed == 0.0) speed = 1.0;
if ( producer != NULL && real_producer != NULL)
{
// Get the properties of this producer
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
mlt_properties_set( properties, "resource", arg);
// Store the producer and fitler
mlt_properties_set_data( properties, "producer", real_producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
// Grab some stuff from the real_producer
mlt_properties_pass_list( properties, MLT_PRODUCER_PROPERTIES( real_producer ), "length, width, height, aspect_ratio" );
if ( speed < 0 )
{
speed = -speed;
mlt_properties_set_int( properties, "reverse", 1 );
}
if ( speed != 1.0 )
{
double real_length = ( (double) mlt_producer_get_length( real_producer ) ) / speed;
mlt_properties_set_position( properties, "length", real_length );
mlt_properties real_properties = MLT_PRODUCER_PROPERTIES( real_producer );
const char* service = mlt_properties_get( real_properties, "mlt_service" );
if ( service && !strcmp( service, "avformat" ) )
{
int n = mlt_properties_count( real_properties );
int i;
for ( i = 0; i < n; i++ )
{
if ( strstr( mlt_properties_get_name( real_properties, i ), "stream.frame_rate" ) )
{
double source_fps = mlt_properties_get_double( real_properties, mlt_properties_get_name( real_properties, i ) );
if ( source_fps > mlt_profile_fps( profile ) )
{
mlt_properties_set_double( real_properties, "force_fps", source_fps * speed );
mlt_properties_set_position( real_properties, "length", real_length );
mlt_properties_set_position( real_properties, "out", real_length - 1 );
speed = 1.0;
}
break;
}
}
}
}
mlt_properties_set_position( properties, "out", mlt_producer_get_length( producer ) - 1 );
// Since we control the seeking, prevent it from seeking on its own
mlt_producer_set_speed( real_producer, 0 );
mlt_producer_set_speed( producer, speed );
// Override the get_frame method
producer->get_frame = producer_get_frame;
}
else
{
if ( producer )
mlt_producer_close( producer );
if ( real_producer )
mlt_producer_close( real_producer );
producer = NULL;
}
return producer;
}
static int process_feed( mlt_properties feed, mlt_filter filter, mlt_frame frame )
{
// Error return
int error = 1;
// Get the properties of the data show filter
mlt_properties filter_properties = MLT_FILTER_PROPERTIES( filter );
// Get the type requested by the feeding filter
char *type = mlt_properties_get( feed, "type" );
// Fetch the filter associated to this type
mlt_filter requested = mlt_properties_get_data( filter_properties, type, NULL );
// If it doesn't exist, then create it now
if ( requested == NULL )
{
// Source filter from profile
requested = obtain_filter( filter, type );
// Store it on the properties for subsequent retrieval/destruction
mlt_properties_set_data( filter_properties, type, requested, 0, ( mlt_destructor )mlt_filter_close, NULL );
}
// If we have one, then process it now...
if ( requested != NULL )
{
int i = 0;
mlt_properties properties = MLT_FILTER_PROPERTIES( requested );
static const char *prefix = "properties.";
int len = strlen( prefix );
// Determine if this is an absolute or relative feed
int absolute = mlt_properties_get_int( feed, "absolute" );
// Make do with what we have
int length = !absolute ?
mlt_properties_get_int( feed, "out" ) - mlt_properties_get_int( feed, "in" ) + 1 :
mlt_properties_get_int( feed, "out" ) + 1;
// Repeat period
int period = mlt_properties_get_int( properties, "period" );
period = period == 0 ? 1 : period;
// Pass properties from feed into requested
for ( i = 0; i < mlt_properties_count( properties ); i ++ )
{
char *name = mlt_properties_get_name( properties, i );
char *key = mlt_properties_get_value( properties, i );
if ( !strncmp( name, prefix, len ) )
{
if ( !strncmp( name + len, "length[", 7 ) )
{
mlt_properties_set_position( properties, key, ( length - period ) / period );
}
else
{
char *value = mlt_properties_get( feed, name + len );
if ( value != NULL )
{
// check for metadata keywords in metadata markup if user requested so
if ( mlt_properties_get_int( filter_properties, "dynamic" ) == 1 && !strcmp( name + strlen( name ) - 6, "markup") )
{
// Find keywords which should be surrounded by '#', like: #title#
char* keywords = strtok( value, "#" );
char result[512] = ""; // XXX: how much is enough?
int ct = 0;
int fromStart = ( value[0] == '#' ) ? 1 : 0;
while ( keywords != NULL )
{
if ( ct % 2 == fromStart )
{
// backslash in front of # suppresses substitution
if ( keywords[ strlen( keywords ) -1 ] == '\\' )
{
// keep characters except backslash
strncat( result, keywords, sizeof( result ) - strlen( result ) - 2 );
strcat( result, "#" );
ct++;
}
else
{
strncat( result, keywords, sizeof( result ) - strlen( result ) - 1 );
}
}
else if ( !strcmp( keywords, "timecode" ) )
{
// special case: replace #timecode# with current frame timecode
mlt_position frames = mlt_properties_get_position( feed, "position" );
mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
char *s = mlt_properties_frames_to_time( properties, frames, mlt_time_smpte_df );
if ( s )
strncat( result, s, sizeof( result ) - strlen( result ) - 1 );
}
else if ( !strcmp( keywords, "frame" ) )
{
// special case: replace #frame# with current frame number
int pos = mlt_properties_get_int( feed, "position" );
char s[12];
snprintf( s, sizeof(s) - 1, "%d", pos );
s[sizeof( s ) - 1] = '\0';
strncat( result, s, sizeof( result ) - strlen( result ) - 1 );
}
else
{
// replace keyword with metadata value
char *metavalue = metadata_value( MLT_FRAME_PROPERTIES( frame ), keywords );
strncat( result, metavalue ? metavalue : "-", sizeof( result ) - strlen( result ) -1 );
}
keywords = strtok( NULL, "#" );
ct++;
}
mlt_properties_set( properties, key, (char*) result );
}
else mlt_properties_set( properties, key, value );
}
}
}
}
// Set the original position on the frame
if ( absolute == 0 )
mlt_frame_set_position( frame, mlt_properties_get_int( feed, "position" ) - mlt_properties_get_int( feed, "in" ) );
else
mlt_frame_set_position( frame, mlt_properties_get_int( feed, "position" ) );
// Process the filter
mlt_filter_process( requested, frame );
// Should be ok...
error = 0;
}
return error;
}
static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
// Error we will return
int error = 0;
// We will get the 'b frame' from the frame stack
mlt_frame b_frame = mlt_frame_pop_frame( frame );
// Get the watermark transition object
mlt_transition transition = mlt_frame_pop_service( frame );
// Get the properties of the transitionfin
mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
// Get the properties of the a frame
mlt_properties a_props = MLT_FRAME_PROPERTIES( frame );
mlt_service_lock( MLT_TRANSITION_SERVICE( transition ) );
// Get the composite from the transition
mlt_transition composite = mlt_properties_get_data( properties, "composite", NULL );
// Look for the first filter
mlt_filter filter = mlt_properties_get_data( properties, "_filter_0", NULL );
// Get the position
mlt_position position = mlt_transition_get_position( transition, frame );
// Create a composite if we don't have one
if ( composite == NULL )
{
// Create composite via the factory
mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( transition ) );
composite = mlt_factory_transition( profile, "composite", NULL );
// If we have one
if ( composite != NULL )
{
// Get the properties
mlt_properties composite_properties = MLT_TRANSITION_PROPERTIES( composite );
// We want to ensure that we don't get a wobble...
//mlt_properties_set_int( composite_properties, "distort", 1 );
mlt_properties_set_int( composite_properties, "progressive", 1 );
// Pass all the composite. properties on the transition down
mlt_properties_pass( composite_properties, properties, "composite." );
// Register the composite for reuse/destruction
mlt_properties_set_data( properties, "composite", composite, 0, ( mlt_destructor )mlt_transition_close, NULL );
}
}
else
{
// Pass all current properties down
mlt_properties composite_properties = MLT_TRANSITION_PROPERTIES( composite );
mlt_properties_pass( composite_properties, properties, "composite." );
}
// Create filters
if ( filter == NULL )
{
// Loop Variable
int i = 0;
// Number of filters created
int count = 0;
// Loop for all properties
for ( i = 0; i < mlt_properties_count( properties ); i ++ )
{
// Get the name of this property
char *name = mlt_properties_get_name( properties, i );
// If the name does not contain a . and matches filter
if ( strchr( name, '.' ) == NULL && !strncmp( name, "filter", 6 ) )
{
// Get the filter constructor
char *value = mlt_properties_get_value( properties, i );
// Create an instance
if ( create_instance( transition, name, value, count ) == 0 )
count ++;
}
}
// Look for the first filter again
filter = mlt_properties_get_data( properties, "_filter_0", NULL );
}
else
{
// Pass all properties down
mlt_filter temp = NULL;
// Loop Variable
int i = 0;
// Number of filters found
int count = 0;
// Loop for all properties
for ( i = 0; i < mlt_properties_count( properties ); i ++ )
{
// Get the name of this property
char *name = mlt_properties_get_name( properties, i );
// If the name does not contain a . and matches filter
if ( strchr( name, '.' ) == NULL && !strncmp( name, "filter", 6 ) )
{
// Strings to hold the id and pass down key
char id[ 256 ];
char key[ 256 ];
// Construct id and key
sprintf( id, "_filter_%d", count );
sprintf( key, "%s.", name );
// Get the filter
temp = mlt_properties_get_data( properties, id, NULL );
if ( temp != NULL )
{
mlt_properties_pass( MLT_FILTER_PROPERTIES( temp ), properties, key );
count ++;
}
}
}
}
mlt_properties_set_int( a_props, "width", *width );
mlt_properties_set_int( a_props, "height", *height );
// Only continue if we have both filter and composite
if ( composite != NULL )
{
// Get the resource of this filter (could be a shape [rectangle/circle] or an alpha provider of choice
const char *resource = mlt_properties_get( properties, "resource" );
// Get the old resource in case it's changed
char *old_resource = mlt_properties_get( properties, "_old_resource" );
// String to hold the filter to query on
char id[ 256 ];
// Index to hold the count
int i = 0;
// We will get the 'b frame' from the composite only if it's NULL (region filter)
if ( b_frame == NULL )
{
// Copy the region
b_frame = composite_copy_region( composite, frame, position );
// Ensure a destructor
char *name = mlt_properties_get( properties, "_unique_id" );
mlt_properties_set_data( a_props, name, b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
}
// Properties of the B framr
mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame );
// filter_only prevents copying the alpha channel of the shape to the output frame
// by compositing filtered frame over itself
if ( mlt_properties_get_int( properties, "filter_only" ) )
{
char *name = mlt_properties_get( properties, "_unique_id" );
frame = composite_copy_region( composite, b_frame, position );
mlt_properties_set_data( b_props, name, frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
}
// Make sure the filter is in the correct position
while ( filter != NULL )
{
// Stack this filter
if ( mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "off" ) == 0 )
mlt_filter_process( filter, b_frame );
// Generate the key for the next
sprintf( id, "_filter_%d", ++ i );
// Get the next filter
filter = mlt_properties_get_data( properties, id, NULL );
}
// Allow filters to be attached to a region filter
filter = mlt_properties_get_data( properties, "_region_filter", NULL );
if ( filter != NULL )
mlt_service_apply_filters( MLT_FILTER_SERVICE( filter ), b_frame, 0 );
// Hmm - this is probably going to go wrong....
mlt_frame_set_position( frame, position );
// Get the b frame and process with composite if successful
mlt_transition_process( composite, frame, b_frame );
// If we have a shape producer copy the alpha mask from the shape frame to the b_frame
if ( strcmp( resource, "rectangle" ) != 0 )
{
// Get the producer from the transition
mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
// If We have no producer then create one
if ( producer == NULL || ( old_resource != NULL && strcmp( resource, old_resource ) ) )
{
// Get the factory producer service
char *factory = mlt_properties_get( properties, "factory" );
// Store the old resource
mlt_properties_set( properties, "_old_resource", resource );
// Special case circle resource
if ( strcmp( resource, "circle" ) == 0 )
resource = "pixbuf:<svg width='100' height='100'><circle cx='50' cy='50' r='50' fill='black'/></svg>";
// Create the producer
mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( transition ) );
producer = mlt_factory_producer( profile, factory, resource );
// If we have one
if ( producer != NULL )
{
// Get the producer properties
mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
// Ensure that we loop
mlt_properties_set( producer_properties, "eof", "loop" );
// Now pass all producer. properties on the transition down
mlt_properties_pass( producer_properties, properties, "producer." );
// Register the producer for reuse/destruction
mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
}
}
// Now use the shape producer
if ( producer != NULL )
{
// We will get the alpha frame from the producer
mlt_frame shape_frame = NULL;
// Make sure the producer is in the correct position
mlt_producer_seek( producer, position );
// Get the shape frame
if ( mlt_service_get_frame( MLT_PRODUCER_SERVICE( producer ), &shape_frame, 0 ) == 0 )
{
// Ensure that the shape frame will be closed
mlt_properties_set_data( b_props, "shape_frame", shape_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
if ( mlt_properties_get_int(properties, "holecolor") ) {
mlt_properties_set_int(b_props, "holecolor", mlt_properties_get_int(properties,"holecolor"));
}
// Specify the callback for evaluation
b_frame->get_alpha_mask = filter_get_alpha_mask;
}
}
}
// Get the image
error = mlt_frame_get_image( frame, image, format, width, height, 0 );
}
mlt_service_unlock( MLT_TRANSITION_SERVICE( transition ) );
return error;
}
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int track )
{
mlt_tractor self = parent->child;
// We only respond to the first track requests
if ( track == 0 && self->producer != NULL )
{
int i = 0;
int done = 0;
mlt_frame temp = NULL;
int count = 0;
int image_count = 0;
// Get the properties of the parent producer
mlt_properties properties = MLT_PRODUCER_PROPERTIES( parent );
// Try to obtain the multitrack associated to the tractor
mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
// Or a specific producer
mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
// Determine whether this tractor feeds to the consumer or stops here
int global_feed = mlt_properties_get_int( properties, "global_feed" );
// If we don't have one, we're in trouble...
if ( multitrack != NULL )
{
// The output frame will hold the 'global' data feeds (ie: those which are targetted for the final frame)
mlt_deque data_queue = mlt_deque_init( );
// Used to garbage collect all frames
char label[ 30 ];
// Get the id of the tractor
char *id = mlt_properties_get( properties, "_unique_id" );
// Will be used to store the frame properties object
mlt_properties frame_properties = NULL;
// We'll store audio and video frames to use here
mlt_frame audio = NULL;
mlt_frame video = NULL;
mlt_frame first_video = NULL;
// Temporary properties
mlt_properties temp_properties = NULL;
// Get the multitrack's producer
mlt_producer target = MLT_MULTITRACK_PRODUCER( multitrack );
mlt_producer_seek( target, mlt_producer_frame( parent ) );
mlt_producer_set_speed( target, mlt_producer_get_speed( parent ) );
// We will create one frame and attach everything to it
*frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) );
// Get the properties of the frame
frame_properties = MLT_FRAME_PROPERTIES( *frame );
// Loop through each of the tracks we're harvesting
for ( i = 0; !done; i ++ )
{
// Get a frame from the producer
mlt_service_get_frame( self->producer, &temp, i );
// Get the temporary properties
temp_properties = MLT_FRAME_PROPERTIES( temp );
// Pass all unique meta properties from the producer's frame to the new frame
mlt_properties_lock( temp_properties );
int props_count = mlt_properties_count( temp_properties );
int j;
for ( j = 0; j < props_count; j ++ )
{
char *name = mlt_properties_get_name( temp_properties, j );
if ( !strncmp( name, "meta.", 5 ) && !mlt_properties_get( frame_properties, name ) )
mlt_properties_set( frame_properties, name, mlt_properties_get_value( temp_properties, j ) );
}
mlt_properties_unlock( temp_properties );
// Copy the format conversion virtual functions
if ( ! (*frame)->convert_image && temp->convert_image )
(*frame)->convert_image = temp->convert_image;
if ( ! (*frame)->convert_audio && temp->convert_audio )
(*frame)->convert_audio = temp->convert_audio;
// Check for last track
done = mlt_properties_get_int( temp_properties, "last_track" );
// Handle fx only tracks
if ( mlt_properties_get_int( temp_properties, "fx_cut" ) )
{
int hide = ( video == NULL ? 1 : 0 ) | ( audio == NULL ? 2 : 0 );
mlt_properties_set_int( temp_properties, "hide", hide );
}
// We store all frames with a destructor on the output frame
sprintf( label, "_%s_%d", id, count ++ );
mlt_properties_set_data( frame_properties, label, temp, 0, ( mlt_destructor )mlt_frame_close, NULL );
// We want to append all 'final' feeds to the global queue
if ( !done && mlt_properties_get_data( temp_properties, "data_queue", NULL ) != NULL )
{
// Move the contents of this queue on to the output frames data queue
mlt_deque sub_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "data_queue", NULL );
mlt_deque temp = mlt_deque_init( );
while ( global_feed && mlt_deque_count( sub_queue ) )
{
mlt_properties p = mlt_deque_pop_back( sub_queue );
if ( mlt_properties_get_int( p, "final" ) )
mlt_deque_push_back( data_queue, p );
else
mlt_deque_push_back( temp, p );
}
while( mlt_deque_count( temp ) )
mlt_deque_push_front( sub_queue, mlt_deque_pop_back( temp ) );
mlt_deque_close( temp );
}
// Now do the same with the global queue but without the conditional behaviour
if ( mlt_properties_get_data( temp_properties, "global_queue", NULL ) != NULL )
{
mlt_deque sub_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "global_queue", NULL );
while ( mlt_deque_count( sub_queue ) )
{
mlt_properties p = mlt_deque_pop_back( sub_queue );
mlt_deque_push_back( data_queue, p );
}
}
// Pick up first video and audio frames
if ( !done && !mlt_frame_is_test_audio( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 2 ) )
{
// Order of frame creation is starting to get problematic
if ( audio != NULL )
{
mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), producer_get_audio );
mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), audio );
}
audio = temp;
}
if ( !done && !mlt_frame_is_test_card( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 1 ) )
{
if ( video != NULL )
{
mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), producer_get_image );
mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), video );
}
video = temp;
if ( first_video == NULL )
first_video = temp;
mlt_properties_set_int( MLT_FRAME_PROPERTIES( temp ), "image_count", ++ image_count );
image_count = 1;
}
}
// Now stack callbacks
if ( audio != NULL )
{
mlt_frame_push_audio( *frame, audio );
mlt_frame_push_audio( *frame, producer_get_audio );
}
if ( video != NULL )
{
mlt_properties video_properties = MLT_FRAME_PROPERTIES( first_video );
mlt_frame_push_service( *frame, video );
mlt_frame_push_service( *frame, producer_get_image );
if ( global_feed )
mlt_properties_set_data( frame_properties, "data_queue", data_queue, 0, NULL, NULL );
mlt_properties_set_data( video_properties, "global_queue", data_queue, 0, destroy_data_queue, NULL );
mlt_properties_set_int( frame_properties, "width", mlt_properties_get_int( video_properties, "width" ) );
mlt_properties_set_int( frame_properties, "height", mlt_properties_get_int( video_properties, "height" ) );
mlt_properties_pass_list( frame_properties, video_properties, "meta.media.width, meta.media.height" );
mlt_properties_set_int( frame_properties, "progressive", mlt_properties_get_int( video_properties, "progressive" ) );
mlt_properties_set_double( frame_properties, "aspect_ratio", mlt_properties_get_double( video_properties, "aspect_ratio" ) );
mlt_properties_set_int( frame_properties, "image_count", image_count );
mlt_properties_set_data( frame_properties, "_producer", mlt_frame_get_original_producer( first_video ), 0, NULL, NULL );
}
else
{
destroy_data_queue( data_queue );
}
mlt_frame_set_position( *frame, mlt_producer_frame( parent ) );
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_audio", audio == NULL );
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_image", video == NULL );
}
else if ( producer != NULL )
{
mlt_producer_seek( producer, mlt_producer_frame( parent ) );
mlt_producer_set_speed( producer, mlt_producer_get_speed( parent ) );
mlt_service_get_frame( self->producer, frame, track );
}
else
{
mlt_log( MLT_PRODUCER_SERVICE( parent ), MLT_LOG_ERROR, "tractor without a multitrack!!\n" );
mlt_service_get_frame( self->producer, frame, track );
}
// Prepare the next frame
mlt_producer_prepare_next( parent );
// Indicate our found status
return 0;
}
else
{
// Generate a test card
*frame = mlt_frame_init( MLT_PRODUCER_SERVICE( parent ) );
return 0;
}
}