void transport( mlt_producer producer )
{
mlt_properties properties = mlt_producer_properties( producer );
term_init( );
fprintf( stderr, "Press 'q' to continue\n" );
while( mlt_properties_get_int( properties, "done" ) == 0 )
{
int value = term_read( );
if ( value != -1 )
transport_action( producer, ( char * )&value );
}
}
static void event_handling( mlt_producer producer, mlt_consumer consumer )
{
SDL_Event event;
while ( SDL_PollEvent( &event ) )
{
switch( event.type )
{
case SDL_QUIT:
mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( consumer ), "done", 1 );
break;
case SDL_KEYDOWN:
if ( event.key.keysym.unicode < 0x80 && event.key.keysym.unicode > 0 )
{
char keyboard[ 2 ] = { event.key.keysym.unicode, 0 };
transport_action( producer, keyboard );
}
break;
}
}
}
static void transport( mlt_producer producer, mlt_consumer consumer )
{
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
int silent = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "silent" );
int progress = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "progress" );
struct timespec tm = { 0, 40000000 };
int total_length = mlt_producer_get_length( producer );
int last_position = 0;
if ( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
{
if ( !silent && !progress )
{
term_init( );
fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10|\n" );
fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
fprintf( stderr, "+---------------------------------------------------------------------+\n" );
fprintf( stderr, "| H = back 1 minute, L = forward 1 minute |\n" );
fprintf( stderr, "| h = previous frame, l = next frame |\n" );
fprintf( stderr, "| g = start of clip, j = next clip, k = previous clip |\n" );
fprintf( stderr, "| 0 = restart, q = quit, space = play |\n" );
fprintf( stderr, "+---------------------------------------------------------------------+\n" );
}
while( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
{
int value = ( silent || progress )? -1 : term_read( );
if ( value != -1 )
{
char string[ 2 ] = { value, 0 };
transport_action( producer, string );
}
#if (defined(__DARWIN__) || defined(WIN32)) && !defined(MELT_NOSDL)
event_handling( producer, consumer );
#endif
if ( !silent && mlt_properties_get_int( properties, "stats_off" ) == 0 )
{
if ( progress )
{
int current_position = mlt_producer_position( producer );
if ( current_position > last_position )
{
fprintf( stderr, "Current Frame: %10d, percentage: %10d%c",
current_position, 100 * current_position / total_length,
progress == 2 ? '\n' : '\r' );
last_position = current_position;
}
}
else
{
fprintf( stderr, "Current Position: %10d\r", (int)mlt_consumer_position( consumer ) );
}
fflush( stderr );
}
if ( silent || progress )
nanosleep( &tm, NULL );
}
if ( !silent )
fprintf( stderr, "\n" );
}
}
