mlt_properties properties = mlt_producer_properties( producer );
// Register transport implementation with the producer
- producer->close = producer_close;
+ producer->close = ( mlt_destructor )producer_close;
// Register our get_frame implementation with the producer
producer->get_frame = producer_get_frame;
static int read_frame( int fd, uint8_t* frame_buf, int *isPAL )
{
- int result = read( fd, frame_buf, frame_size_525_60 ) == frame_size_525_60;
+ int result = read( fd, frame_buf, FRAME_SIZE_525_60 ) == FRAME_SIZE_525_60;
if ( result )
{
*isPAL = ( frame_buf[3] & 0x80 );
if ( *isPAL )
{
- int diff = frame_size_625_50 - frame_size_525_60;
- result = read( fd, frame_buf + frame_size_525_60, diff ) == diff;
+ int diff = FRAME_SIZE_625_50 - FRAME_SIZE_525_60;
+ result = read( fd, frame_buf + FRAME_SIZE_525_60, diff ) == diff;
}
}
{
int valid = 0;
- uint8_t *dv_data = mlt_pool_alloc( frame_size_625_50 );
+ uint8_t *dv_data = mlt_pool_alloc( FRAME_SIZE_625_50 );
if ( dv_data != NULL )
{
this->file_size = buf.st_size;
// Determine the frame size
- this->frame_size = this->is_pal ? frame_size_625_50 : frame_size_525_60;
+ this->frame_size = this->is_pal ? FRAME_SIZE_625_50 : FRAME_SIZE_525_60;
// Determine the number of frames in the file
this->frames_in_file = this->file_size / this->frame_size;
double fps = this->is_pal ? 25 : 30000.0 / 1001.0;
if ( mlt_properties_get_double( properties, "fps" ) == fps )
{
- mlt_properties_set_position( properties, "length", this->frames_in_file );
- mlt_properties_set_position( properties, "in", 0 );
- mlt_properties_set_position( properties, "out", this->frames_in_file - 1 );
+ if ( this->frames_in_file > 0 )
+ {
+ mlt_properties_set_position( properties, "length", this->frames_in_file );
+ mlt_properties_set_position( properties, "in", 0 );
+ mlt_properties_set_position( properties, "out", this->frames_in_file - 1 );
+ }
}
else
{
static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
{
producer_libdv this = producer->child;
- uint8_t *data = mlt_pool_alloc( frame_size_625_50 );
+ uint8_t *data = mlt_pool_alloc( FRAME_SIZE_625_50 );
// Obtain the current frame number
uint64_t position = mlt_producer_frame( producer );
dv_decoder_t *dv_decoder = dv_decoder_alloc( );
// Pass the dv data
- mlt_properties_set_data( properties, "dv_data", data, frame_size_625_50, ( mlt_destructor )mlt_pool_release, NULL );
+ mlt_properties_set_data( properties, "dv_data", data, FRAME_SIZE_625_50, ( mlt_destructor )mlt_pool_release, NULL );
// Update other info on the frame
mlt_properties_set_int( properties, "width", 720 );