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382 lines
10 KiB
382 lines
10 KiB
15 years ago
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/*
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* inigo.c -- MLT command line utility
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* Copyright (C) 2002-2003 Ushodaya Enterprises Limited
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* Author: Charles Yates <charles.yates@pandora.be>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sched.h>
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#include <framework/mlt.h>
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#ifdef __DARWIN__
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#include <SDL.h>
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#endif
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#include "io.h"
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static 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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mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
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mlt_consumer consumer = mlt_properties_get_data( properties, "transport_consumer", NULL );
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mlt_properties_set_int( properties, "stats_off", 0 );
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if ( strlen( value ) == 1 )
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{
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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, -10 );
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break;
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case '2':
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mlt_producer_set_speed( producer, -5 );
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break;
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case '3':
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mlt_producer_set_speed( producer, -2 );
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break;
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case '4':
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mlt_producer_set_speed( producer, -1 );
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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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case ' ':
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mlt_producer_set_speed( producer, 1 );
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break;
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case '7':
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mlt_producer_set_speed( producer, 2 );
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break;
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case '8':
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mlt_producer_set_speed( producer, 5 );
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break;
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case '9':
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mlt_producer_set_speed( producer, 10 );
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break;
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case 'd':
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if ( multitrack != NULL )
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{
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int i = 0;
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mlt_position last = -1;
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fprintf( stderr, "\n" );
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for ( i = 0; 1; i ++ )
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{
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mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
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if ( time == last )
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break;
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last = time;
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fprintf( stderr, "%d: %d\n", i, (int)time );
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}
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}
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break;
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case 'g':
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if ( multitrack != NULL )
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{
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mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
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mlt_producer_seek( producer, time );
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}
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break;
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case 'H':
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if ( producer != NULL )
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{
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mlt_position position = mlt_producer_position( producer );
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mlt_producer_seek( producer, position - ( mlt_producer_get_fps( producer ) * 60 ) );
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}
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break;
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case 'h':
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if ( producer != NULL )
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{
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mlt_position position = mlt_producer_position( producer );
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mlt_producer_set_speed( producer, 0 );
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mlt_producer_seek( producer, position - 1 );
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}
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break;
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case 'j':
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if ( multitrack != NULL )
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{
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mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
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mlt_producer_seek( producer, time );
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}
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break;
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case 'k':
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if ( multitrack != NULL )
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{
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mlt_position time = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
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mlt_producer_seek( producer, time );
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}
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break;
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case 'l':
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if ( producer != NULL )
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{
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mlt_position position = mlt_producer_position( producer );
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if ( mlt_producer_get_speed( producer ) != 0 )
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mlt_producer_set_speed( producer, 0 );
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else
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mlt_producer_seek( producer, position + 1 );
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}
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break;
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case 'L':
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if ( producer != NULL )
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{
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mlt_position position = mlt_producer_position( producer );
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mlt_producer_seek( producer, position + ( mlt_producer_get_fps( producer ) * 60 ) );
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}
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break;
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}
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mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
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}
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mlt_properties_set_int( properties, "stats_off", 0 );
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}
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static mlt_consumer create_consumer( char *id, mlt_producer producer )
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{
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char *arg = id != NULL ? strchr( id, ':' ) : NULL;
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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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mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( producer ), "transport_consumer", consumer, 0, NULL, NULL );
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}
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return consumer;
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}
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#ifdef __DARWIN__
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static void event_handling( mlt_producer producer, mlt_consumer consumer )
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{
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SDL_Event event;
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while ( SDL_PollEvent( &event ) )
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{
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switch( event.type )
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{
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case SDL_QUIT:
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mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( consumer ), "done", 1 );
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break;
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case SDL_KEYDOWN:
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if ( event.key.keysym.unicode < 0x80 && event.key.keysym.unicode > 0 )
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{
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char keyboard[ 2 ] = { event.key.keysym.unicode, 0 };
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transport_action( producer, keyboard );
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}
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break;
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}
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}
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}
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#endif
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static void transport( mlt_producer producer, mlt_consumer consumer )
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{
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mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
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int silent = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "silent" );
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struct timespec tm = { 0, 40000 };
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if ( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
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{
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if ( !silent )
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{
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term_init( );
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fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
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fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10|\n" );
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fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
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fprintf( stderr, "+---------------------------------------------------------------------+\n" );
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fprintf( stderr, "| H = back 1 minute, L = forward 1 minute |\n" );
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fprintf( stderr, "| h = previous frame, l = next frame |\n" );
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fprintf( stderr, "| g = start of clip, j = next clip, k = previous clip |\n" );
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fprintf( stderr, "| 0 = restart, q = quit, space = play |\n" );
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fprintf( stderr, "+---------------------------------------------------------------------+\n" );
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}
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while( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
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{
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int value = silent ? -1 : term_read( );
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if ( value != -1 )
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{
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char string[ 2 ] = { value, 0 };
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transport_action( producer, string );
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}
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#ifdef __DARWIN__
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event_handling( producer, consumer );
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#endif
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if ( !silent && mlt_properties_get_int( properties, "stats_off" ) == 0 )
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fprintf( stderr, "Current Position: %10d\r", (int)mlt_producer_position( producer ) );
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if ( silent )
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nanosleep( &tm, NULL );
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}
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if ( !silent )
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fprintf( stderr, "\n" );
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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_consumer consumer = NULL;
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mlt_producer inigo = NULL;
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FILE *store = NULL;
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char *name = NULL;
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struct sched_param scp;
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// Use realtime scheduling if possible
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memset( &scp, '\0', sizeof( scp ) );
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scp.sched_priority = sched_get_priority_max( SCHED_FIFO ) - 1;
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#ifndef __DARWIN__
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sched_setscheduler( 0, SCHED_FIFO, &scp );
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#endif
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// Construct the factory
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mlt_factory_init( NULL );
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// Check for serialisation switch first
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for ( i = 1; i < argc; i ++ )
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{
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if ( !strcmp( argv[ i ], "-serialise" ) )
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{
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name = argv[ ++ i ];
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if ( strstr( name, ".inigo" ) )
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store = fopen( name, "w" );
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}
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}
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// Get inigo producer
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if ( argc > 1 )
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inigo = mlt_factory_producer( "inigo", &argv[ 1 ] );
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if ( argc > 1 && inigo != NULL && mlt_producer_get_length( inigo ) > 0 )
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{
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// Get inigo's properties
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mlt_properties inigo_props = MLT_PRODUCER_PROPERTIES( inigo );
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// Get the last group
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mlt_properties group = mlt_properties_get_data( inigo_props, "group", 0 );
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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 ], inigo );
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while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
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mlt_properties_parse( group, argv[ ++ i ] );
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}
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else if ( !strcmp( argv[ i ], "-serialise" ) )
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{
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i ++;
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}
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else
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{
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if ( store != NULL )
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fprintf( store, "%s\n", argv[ i ] );
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i ++;
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while ( argv[ i ] != NULL && argv[ i ][ 0 ] != '-' )
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{
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if ( store != NULL )
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fprintf( store, "%s\n", argv[ i ] );
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i += 1;
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}
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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 ( store == NULL && consumer == NULL )
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consumer = create_consumer( NULL, inigo );
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if ( consumer != NULL && store == NULL )
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{
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// Apply group settings
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mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
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mlt_properties_inherit( properties, group );
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// Connect consumer to inigo
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mlt_consumer_connect( consumer, MLT_PRODUCER_SERVICE( inigo ) );
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// Start the consumer
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mlt_consumer_start( consumer );
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// Transport functionality
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transport( inigo, consumer );
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// Stop the consumer
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mlt_consumer_stop( consumer );
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}
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else if ( store != NULL )
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{
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fprintf( stderr, "Project saved as %s.\n", name );
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fclose( store );
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}
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}
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else
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{
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fprintf( stderr, "Usage: inigo [ -group [ name=value ]* ]\n"
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" [ -consumer id[:arg] [ name=value ]* ]\n"
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" [ -filter filter[:arg] [ name=value ] * ]\n"
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" [ -attach filter[:arg] [ name=value ] * ]\n"
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" [ -mix length [ -mixer transition ]* ]\n"
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" [ -transition id[:arg] [ name=value ] * ]\n"
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" [ -blank frames ]\n"
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" [ -track ]\n"
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" [ -split relative-frame ]\n"
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" [ -join clips ]\n"
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" [ -repeat times ]\n"
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" [ producer [ name=value ] * ]+\n" );
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}
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// Close the consumer
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if ( consumer != NULL )
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mlt_consumer_close( consumer );
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// Close the producer
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if ( inigo != NULL )
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mlt_producer_close( inigo );
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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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