int width = mlt_properties_get_int( properties, "width" );
int height = mlt_properties_get_int( properties, "height" );
+ // See if video is turned off
+ int video_off = mlt_properties_get_int( properties, "video_off" );
+
+ // Get the audio settings
+ mlt_audio_format afmt = mlt_audio_pcm;
+ int counter = 0;
+ double fps = mlt_properties_get_double( properties, "fps" );
+ int channels = mlt_properties_get_int( properties, "channels" );
+ int frequency = mlt_properties_get_int( properties, "frequency" );
+ int samples = 0;
+ int16_t *pcm = NULL;
+
+ // See if audio is turned off
+ int audio_off = mlt_properties_get_int( properties, "audio_off" );
+
// Get the maximum size of the buffer
- int buffer = mlt_properties_get_int( properties, "buffer" );
+ int buffer = mlt_properties_get_int( properties, "buffer" ) + 1;
// General frame variable
mlt_frame frame = NULL;
int skipped = 0;
int64_t time_wait = 0;
int64_t time_frame = 0;
- int64_t time_image = 0;
+ int64_t time_process = 0;
+ int skip_next = 0;
// Get the first frame
frame = mlt_consumer_get_frame( this );
// Get the image of the first frame
- mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
+ if ( !video_off )
+ mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
+
+ if ( !audio_off )
+ {
+ samples = mlt_sample_calculator( fps, frequency, counter++ );
+ mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples );
+ frame->get_audio = NULL;
+ }
+
mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
// Get the starting time (can ignore the times above)
while ( this->ahead )
{
// Put the current frame into the queue
- time_difference( &ante );
pthread_mutex_lock( &this->mutex );
while( this->ahead && mlt_deque_count( this->queue ) >= buffer )
pthread_cond_wait( &this->cond, &this->mutex );
mlt_deque_push_back( this->queue, frame );
pthread_cond_broadcast( &this->cond );
pthread_mutex_unlock( &this->mutex );
- time_wait = time_difference( &ante );
+ time_wait += time_difference( &ante );
// Get the next frame
frame = mlt_consumer_get_frame( this );
{
skipped = 0;
time_frame = 0;
- time_image = 0;
+ time_process = 0;
+ time_wait = 0;
count = 1;
+ skip_next = 0;
}
// Get the image
- if ( ( time_frame + time_image ) / count < 40000 )
+ if ( !skip_next )
{
// Get the image, mark as rendered and time it
- mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
+ if ( !video_off )
+ mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
- time_image += time_difference( &ante );
// Reset the skipped count
skipped = 0;
{
// Increment the number of sequentially skipped frames
skipped ++;
+ skip_next = 0;
// If we've reached an unacceptable level, reset everything
if ( skipped > 10 )
{
skipped = 0;
time_frame = 0;
- time_image = 0;
- count = 0;
+ time_process = 0;
+ time_wait = 0;
+ count = 1;
}
}
+
+ // Always process audio
+ if ( !audio_off )
+ {
+ samples = mlt_sample_calculator( fps, frequency, counter++ );
+ mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples );
+ frame->get_audio = NULL;
+ }
+
+ // Increment the time take for this frame
+ time_process += time_difference( &ante );
+
+ // Determine if the next frame should be skipped
+ if ( mlt_deque_count( this->queue ) <= 5 && ( ( time_wait + time_frame + time_process ) / count ) > 40000 )
+ skip_next = 1;
}
// Remove the last frame