X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_consumer.c;h=99ca1516d8fcf40240aaaff62355b1cddc7bdfa8;hb=da46016cc4e9c751ab346b9b8f451a59cd276b03;hp=4422b111389c7ac95f5120ff5d7c9b9d7005934c;hpb=4a39b72c5ac8fd2dd6db81a95eab08adde0491b9;p=melted diff --git a/src/framework/mlt_consumer.c b/src/framework/mlt_consumer.c index 4422b11..99ca151 100644 --- a/src/framework/mlt_consumer.c +++ b/src/framework/mlt_consumer.c @@ -42,7 +42,7 @@ int mlt_consumer_init( mlt_consumer this, void *child ) if ( error == 0 ) { // Get the properties from the service - mlt_properties properties = mlt_service_properties( &this->parent ); + mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent ); // Get the normalisation preference char *normalisation = mlt_environment( "MLT_NORMALISATION" ); @@ -55,7 +55,7 @@ int mlt_consumer_init( mlt_consumer this, void *child ) mlt_properties_set_int( properties, "width", 720 ); mlt_properties_set_int( properties, "height", 576 ); mlt_properties_set_int( properties, "progressive", 0 ); - mlt_properties_set_double( properties, "aspect_ratio", 128.0 / 117.0 ); + mlt_properties_set_double( properties, "aspect_ratio", 59.0 / 54.0 ); } else { @@ -64,7 +64,7 @@ int mlt_consumer_init( mlt_consumer this, void *child ) mlt_properties_set_int( properties, "width", 720 ); mlt_properties_set_int( properties, "height", 480 ); mlt_properties_set_int( properties, "progressive", 0 ); - mlt_properties_set_double( properties, "aspect_ratio", 72.0 / 79.0 ); + mlt_properties_set_double( properties, "aspect_ratio", 10.0 / 11.0 ); } // Default rescaler for all consumers @@ -88,6 +88,11 @@ int mlt_consumer_init( mlt_consumer this, void *child ) mlt_events_register( properties, "consumer-frame-show", ( mlt_transmitter )mlt_consumer_frame_show ); mlt_events_register( properties, "consumer-stopped", NULL ); + + // Create the push mutex and condition + pthread_mutex_init( &this->put_mutex, NULL ); + pthread_cond_init( &this->put_cond, NULL ); + } return error; } @@ -127,7 +132,7 @@ mlt_service mlt_consumer_service( mlt_consumer this ) mlt_properties mlt_consumer_properties( mlt_consumer this ) { - return this != NULL ? mlt_service_properties( &this->parent ) : NULL; + return this != NULL ? MLT_SERVICE_PROPERTIES( &this->parent ) : NULL; } /** Connect the consumer to the producer. @@ -144,11 +149,15 @@ int mlt_consumer_connect( mlt_consumer this, mlt_service producer ) int mlt_consumer_start( mlt_consumer this ) { // Get the properies - mlt_properties properties = mlt_consumer_properties( this ); + mlt_properties properties = MLT_CONSUMER_PROPERTIES( this ); // Determine if there's a test card producer char *test_card = mlt_properties_get( properties, "test_card" ); + // Just to make sure nothing is hanging around... + mlt_frame_close( this->put ); + this->put = NULL; + // Deal with it now. if ( test_card != NULL ) { @@ -161,7 +170,9 @@ int mlt_consumer_start( mlt_consumer this ) if ( producer != NULL ) { // Test card should loop I guess... - mlt_properties_set( mlt_producer_properties( producer ), "eof", "loop" ); + mlt_properties_set( MLT_PRODUCER_PROPERTIES( producer ), "eof", "pause" ); + mlt_producer_set_speed( producer, 0 ); + mlt_producer_set_in_and_out( producer, 0, 0 ); // Set the test card on the consumer mlt_properties_set_data( properties, "test_card_producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL ); @@ -188,6 +199,44 @@ int mlt_consumer_start( mlt_consumer this ) return 0; } +/** An alternative method to feed frames into the consumer - only valid if + the consumer itself is not connected. +*/ + +int mlt_consumer_put_frame( mlt_consumer this, mlt_frame frame ) +{ + int error = 1; + + // Get the service assoicated to the consumer + mlt_service service = MLT_CONSUMER_SERVICE( this ); + + if ( mlt_service_producer( service ) == NULL ) + { + struct timeval now; + struct timespec tm; + pthread_mutex_lock( &this->put_mutex ); + while ( !mlt_consumer_is_stopped( this ) && this->put != NULL ) + { + gettimeofday( &now, NULL ); + tm.tv_sec = now.tv_sec + 1; + tm.tv_nsec = now.tv_usec * 1000; + pthread_cond_timedwait( &this->put_cond, &this->put_mutex, &tm ); + } + if ( !mlt_consumer_is_stopped( this ) && this->put == NULL ) + this->put = frame; + else + mlt_frame_close( frame ); + pthread_cond_broadcast( &this->put_cond ); + pthread_mutex_unlock( &this->put_mutex ); + } + else + { + mlt_frame_close( frame ); + } + + return error; +} + /** Protected method for consumer to get frames from connected service */ @@ -197,16 +246,40 @@ mlt_frame mlt_consumer_get_frame( mlt_consumer this ) mlt_frame frame = NULL; // Get the service assoicated to the consumer - mlt_service service = mlt_consumer_service( this ); + mlt_service service = MLT_CONSUMER_SERVICE( this ); + + // Get the consumer properties + mlt_properties properties = MLT_CONSUMER_PROPERTIES( this ); // Get the frame - if ( mlt_service_get_frame( service, &frame, 0 ) == 0 ) + if ( mlt_service_producer( service ) == NULL && mlt_properties_get_int( properties, "put_mode" ) ) + { + struct timeval now; + struct timespec tm; + pthread_mutex_lock( &this->put_mutex ); + while ( !mlt_consumer_is_stopped( this ) && this->put == NULL ) + { + gettimeofday( &now, NULL ); + tm.tv_sec = now.tv_sec + 1; + tm.tv_nsec = now.tv_usec * 1000; + pthread_cond_timedwait( &this->put_cond, &this->put_mutex, &tm ); + } + frame = this->put; + this->put = NULL; + pthread_cond_broadcast( &this->put_cond ); + pthread_mutex_unlock( &this->put_mutex ); + if ( frame != NULL ) + mlt_service_apply_filters( service, frame, 0 ); + } + else if ( mlt_service_producer( service ) != NULL ) { - // Get the consumer properties - mlt_properties properties = mlt_consumer_properties( this ); + mlt_service_get_frame( service, &frame, 0 ); + } + if ( frame != NULL ) + { // Get the frame properties - mlt_properties frame_properties = mlt_frame_properties( frame ); + mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame ); // Get the test card producer mlt_producer test_card = mlt_properties_get_data( properties, "test_card_producer", NULL ); @@ -221,7 +294,7 @@ mlt_frame mlt_consumer_get_frame( mlt_consumer this ) // Aspect ratio and other jiggery pokery mlt_properties_set_double( frame_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "aspect_ratio" ) ); if ( mlt_properties_get_int( properties, "progressive" ) || mlt_properties_get_int( properties, "deinterlace" ) ) - mlt_properties_set_int( properties, "consumer_deinterlace", 1 ); + mlt_properties_set_int( frame_properties, "consumer_deinterlace", 1 ); } // Return the frame @@ -243,7 +316,7 @@ static void *consumer_read_ahead_thread( void *arg ) mlt_consumer this = arg; // Get the properties of the consumer - mlt_properties properties = mlt_consumer_properties( this ); + mlt_properties properties = MLT_CONSUMER_PROPERTIES( this ); // Get the width and height int width = mlt_properties_get_int( properties, "width" ); @@ -293,10 +366,9 @@ static void *consumer_read_ahead_thread( void *arg ) { 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 ); + mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "rendered", 1 ); // Get the starting time (can ignore the times above) gettimeofday( &ante, NULL ); @@ -311,17 +383,22 @@ static void *consumer_read_ahead_thread( void *arg ) mlt_deque_push_back( this->queue, frame ); pthread_cond_broadcast( &this->cond ); pthread_mutex_unlock( &this->mutex ); + time_wait += time_difference( &ante ); // Get the next frame frame = mlt_consumer_get_frame( this ); time_frame += time_difference( &ante ); + // If there's no frame, we're probably stopped... + if ( frame == NULL ) + continue; + // Increment the count count ++; // All non normal playback frames should be shown - if ( mlt_properties_get_int( mlt_frame_properties( frame ), "_speed" ) != 1 ) + if ( mlt_properties_get_int( MLT_FRAME_PROPERTIES( frame ), "_speed" ) != 1 ) { skipped = 0; time_frame = 0; @@ -337,7 +414,7 @@ static void *consumer_read_ahead_thread( void *arg ) // Get the image, mark as rendered and time it if ( !video_off ) mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 ); - mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 ); + mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "rendered", 1 ); } else { @@ -361,7 +438,6 @@ static void *consumer_read_ahead_thread( void *arg ) { 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 @@ -415,6 +491,11 @@ static void consumer_read_ahead_stop( mlt_consumer this ) pthread_cond_broadcast( &this->cond ); pthread_mutex_unlock( &this->mutex ); + // Broadcast to the put condition in case it's waiting + pthread_mutex_lock( &this->put_mutex ); + pthread_cond_broadcast( &this->put_cond ); + pthread_mutex_unlock( &this->put_mutex ); + // Join the thread pthread_join( this->ahead_thread, NULL ); @@ -451,7 +532,7 @@ mlt_frame mlt_consumer_rt_frame( mlt_consumer this ) mlt_frame frame = NULL; // Get the properties - mlt_properties properties = mlt_consumer_properties( this ); + mlt_properties properties = MLT_CONSUMER_PROPERTIES( this ); // Check if the user has requested real time or not if ( this->real_time ) @@ -482,7 +563,8 @@ mlt_frame mlt_consumer_rt_frame( mlt_consumer this ) frame = mlt_consumer_get_frame( this ); // This isn't true, but from the consumers perspective it is - mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 ); + if ( frame != NULL ) + mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "rendered", 1 ); } return frame; @@ -493,8 +575,8 @@ mlt_frame mlt_consumer_rt_frame( mlt_consumer this ) void mlt_consumer_stopped( mlt_consumer this ) { - mlt_properties_set_int( mlt_consumer_properties( this ), "running", 0 ); - mlt_events_fire( mlt_consumer_properties( this ), "consumer-stopped", NULL ); + mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( this ), "running", 0 ); + mlt_events_fire( MLT_CONSUMER_PROPERTIES( this ), "consumer-stopped", NULL ); } /** Stop the consumer. @@ -503,7 +585,7 @@ void mlt_consumer_stopped( mlt_consumer this ) int mlt_consumer_stop( mlt_consumer this ) { // Get the properies - mlt_properties properties = mlt_consumer_properties( this ); + mlt_properties properties = MLT_CONSUMER_PROPERTIES( this ); // Stop the consumer if ( this->stop != NULL ) @@ -513,6 +595,16 @@ int mlt_consumer_stop( mlt_consumer this ) if ( mlt_properties_get_int( properties, "real_time" ) ) consumer_read_ahead_stop( this ); + // Just in case... + pthread_mutex_lock( &this->put_mutex ); + if ( this->put != NULL ) + { + mlt_frame_close( this->put ); + this->put = NULL; + } + pthread_cond_broadcast( &this->put_cond ); + pthread_mutex_unlock( &this->put_mutex ); + // Kill the test card mlt_properties_set_data( properties, "test_card_producer", NULL, 0, NULL, NULL ); @@ -540,19 +632,31 @@ int mlt_consumer_is_stopped( mlt_consumer this ) void mlt_consumer_close( mlt_consumer this ) { - if ( this != NULL && mlt_properties_dec_ref( mlt_consumer_properties( this ) ) <= 0 ) + if ( this != NULL && mlt_properties_dec_ref( MLT_CONSUMER_PROPERTIES( this ) ) <= 0 ) { // Get the childs close function void ( *consumer_close )( ) = this->close; - // Make sure it only gets called once - this->close = NULL; - this->parent.close = NULL; + if ( consumer_close ) + { + // Just in case... + mlt_consumer_stop( this ); - // Call the childs close if available - if ( consumer_close != NULL ) + this->close = NULL; consumer_close( this ); + } else + { + + // Make sure it only gets called once + this->parent.close = NULL; + + // Destroy the push mutex and condition + pthread_cond_broadcast( &this->put_cond ); + pthread_mutex_destroy( &this->put_mutex ); + pthread_cond_destroy( &this->put_cond ); + mlt_service_close( &this->parent ); + } } }