X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_consumer.c;h=2837c4cc11a99798570b84382070c7f05f18a5aa;hb=51de85d7a61e44bde5395629af348d9ca96ee13b;hp=ef2760e95dd38bfa4d776d4ac93fe8316c8d549c;hpb=a038d8a6f14b30dd52242d2f69601e6393e44475;p=melted diff --git a/src/framework/mlt_consumer.c b/src/framework/mlt_consumer.c index ef2760e..2837c4c 100644 --- a/src/framework/mlt_consumer.c +++ b/src/framework/mlt_consumer.c @@ -234,14 +234,27 @@ static void *consumer_read_ahead_thread( void *arg ) // Get the properties of the consumer mlt_properties properties = mlt_consumer_properties( this ); - char *service = mlt_properties_get( properties, "mlt_service" ); - // Get the width and height 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; @@ -255,13 +268,23 @@ static void *consumer_read_ahead_thread( void *arg ) 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) @@ -271,14 +294,13 @@ static void *consumer_read_ahead_thread( void *arg ) 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 ); @@ -292,42 +314,54 @@ static void *consumer_read_ahead_thread( void *arg ) { skipped = 0; time_frame = 0; - time_image = 0; + time_process = 0; time_wait = 0; count = 1; + skip_next = 0; } - //fprintf( stderr, "%s: %d %d %lld %lld\n", service, mlt_deque_count( this->queue ), buffer, ( time_frame + time_image ) / count, ( time_wait / count ) ); - // 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; } else { - fprintf( stderr, "Dropped a frame for %s\n", service ); - // Increment the number of sequentially skipped frames skipped ++; - - time_wait = 0; + 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