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194 lines
5.0 KiB
194 lines
5.0 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <framework/mlt.h>
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#include "io.h"
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mlt_producer create_producer( char *file )
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{
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mlt_producer result = NULL;
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// 1st Line preferences
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if ( strstr( file, ".inigo" ) )
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{
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char *args[ 2 ] = { file, NULL };
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result = mlt_factory_producer( "inigo", args );
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}
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else if ( strstr( file, ".mpg" ) )
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result = mlt_factory_producer( "mcmpeg", file );
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else if ( strstr( file, ".mpeg" ) )
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result = mlt_factory_producer( "mcmpeg", file );
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else if ( strstr( file, ".dat" ) )
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result = mlt_factory_producer( "mcmpeg", file );
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else if ( strstr( file, ".dv" ) )
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result = mlt_factory_producer( "mcdv", file );
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else if ( strstr( file, ".dif" ) )
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result = mlt_factory_producer( "mcdv", file );
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else if ( strstr( file, ".jpg" ) )
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result = mlt_factory_producer( "pixbuf", file );
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else if ( strstr( file, ".JPG" ) )
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result = mlt_factory_producer( "pixbuf", file );
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else if ( strstr( file, ".jpeg" ) )
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result = mlt_factory_producer( "pixbuf", file );
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else if ( strstr( file, ".png" ) )
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result = mlt_factory_producer( "pixbuf", file );
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// 2nd Line fallbacks
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if ( result == NULL && strstr( file, ".dv" ) )
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result = mlt_factory_producer( "libdv", file );
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else if ( result == NULL && strstr( file, ".dif" ) )
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result = mlt_factory_producer( "libdv", file );
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return result;
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}
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void transport_action( mlt_producer producer, char *value )
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{
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mlt_properties properties = mlt_producer_properties( producer );
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switch( value[ 0 ] )
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{
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case 'q':
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mlt_properties_set_int( properties, "done", 1 );
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break;
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case '0':
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mlt_producer_set_speed( producer, 1 );
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mlt_producer_seek( producer, 0 );
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break;
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case '1':
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mlt_producer_set_speed( producer, -5 );
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break;
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case '2':
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mlt_producer_set_speed( producer, -2.5 );
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break;
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case '3':
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mlt_producer_set_speed( producer, -1 );
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break;
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case '4':
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mlt_producer_set_speed( producer, -0.5 );
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break;
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case '5':
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mlt_producer_set_speed( producer, 0 );
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break;
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case '6':
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mlt_producer_set_speed( producer, 0.5 );
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break;
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case '7':
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mlt_producer_set_speed( producer, 1 );
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break;
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case '8':
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mlt_producer_set_speed( producer, 2.5 );
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break;
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case '9':
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mlt_producer_set_speed( producer, 5 );
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break;
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}
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}
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mlt_consumer create_consumer( char *id, mlt_producer producer )
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{
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char *arg = strchr( id, ':' );
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if ( arg != NULL )
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*arg ++ = '\0';
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mlt_consumer consumer = mlt_factory_consumer( id, arg );
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if ( consumer != NULL )
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{
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mlt_properties properties = mlt_consumer_properties( consumer );
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mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
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mlt_properties_set_data( properties, "transport_producer", producer, 0, NULL, NULL );
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}
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return consumer;
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}
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void track_service( mlt_field field, void *service, mlt_destructor destructor )
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{
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mlt_properties properties = mlt_field_properties( field );
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int registered = mlt_properties_get_int( properties, "registered" );
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char *key = mlt_properties_get( properties, "registered" );
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mlt_properties_set_data( properties, key, service, 0, destructor, NULL );
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mlt_properties_set_int( properties, "registered", ++ registered );
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}
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void set_properties( mlt_service service, char *namevalue )
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{
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mlt_properties properties = mlt_service_properties( service );
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mlt_properties_parse( properties, namevalue );
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}
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void transport( mlt_producer producer )
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{
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mlt_properties properties = mlt_producer_properties( producer );
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term_init( );
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fprintf( stderr, "Press 'q' to continue\n" );
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while( mlt_properties_get_int( properties, "done" ) == 0 )
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{
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int value = term_read( );
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if ( value != -1 )
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transport_action( producer, ( char * )&value );
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}
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}
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int main( int argc, char **argv )
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{
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int i;
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mlt_service service = NULL;
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mlt_consumer consumer = NULL;
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mlt_producer producer = NULL;
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mlt_playlist playlist = NULL;
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// Construct the factory
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mlt_factory_init( getenv( "MLT_REPOSITORY" ) );
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// Set up containers
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playlist = mlt_playlist_init( );
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// Parse the arguments
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for ( i = 1; i < argc; i ++ )
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{
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if ( !strcmp( argv[ i ], "-consumer" ) )
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{
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consumer = create_consumer( argv[ ++ i ], mlt_playlist_producer( playlist ) );
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if ( consumer != NULL )
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service = mlt_consumer_service( consumer );
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}
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else if ( !strstr( argv[ i ], "=" ) )
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{
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if ( producer != NULL )
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mlt_playlist_append( playlist, producer );
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producer = create_producer( argv[ i ] );
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if ( producer != NULL )
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service = mlt_producer_service( producer );
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}
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else
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{
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set_properties( service, argv[ i ] );
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}
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}
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// If we have no consumer, default to sdl
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if ( consumer == NULL )
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consumer = create_consumer( "sdl", mlt_playlist_producer( playlist ) );
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// Connect producer to playlist
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if ( producer != NULL )
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mlt_playlist_append( playlist, producer );
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// Connect consumer to playlist
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mlt_consumer_connect( consumer, mlt_playlist_service( playlist ) );
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// Transport functionality
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transport( mlt_playlist_producer( playlist ) );
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// Close the services
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mlt_consumer_close( consumer );
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mlt_playlist_close( playlist );
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// Close the factory
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mlt_factory_close( );
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return 0;
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}
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