X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fsdl%2Fconsumer_sdl_preview.c;h=ec383ab2e06c57eacc201770e83fcd520665113b;hb=cab7cd53c3a4d9c4355751088fec61860dcabbce;hp=66aaf7e21015ab11b041a745295986dbc743a61c;hpb=3dbc8c2612d74b25557cc343eaf85ebdf262b91d;p=melted diff --git a/src/modules/sdl/consumer_sdl_preview.c b/src/modules/sdl/consumer_sdl_preview.c index 66aaf7e..ec383ab 100644 --- a/src/modules/sdl/consumer_sdl_preview.c +++ b/src/modules/sdl/consumer_sdl_preview.c @@ -45,6 +45,7 @@ struct consumer_sdl_s pthread_cond_t refresh_cond; pthread_mutex_t refresh_mutex; + int refresh_count; }; /** Forward references to static functions. @@ -121,12 +122,10 @@ static void consumer_refresh_cb( mlt_consumer sdl, mlt_consumer parent, char *na if ( !strcmp( name, "refresh" ) ) { consumer_sdl this = parent->child; - if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "refresh" ) ) - { - pthread_mutex_lock( &this->refresh_mutex ); - pthread_cond_broadcast( &this->refresh_cond ); - pthread_mutex_unlock( &this->refresh_mutex ); - } + pthread_mutex_lock( &this->refresh_mutex ); + this->refresh_count = this->refresh_count <= 0 ? 1 : this->refresh_count ++; + pthread_cond_broadcast( &this->refresh_cond ); + pthread_mutex_unlock( &this->refresh_mutex ); } } @@ -258,7 +257,6 @@ static void *consumer_thread( void *arg ) // Get a frame from the attached producer frame = mlt_consumer_get_frame( consumer ); - // Ensure that we have a frame if ( frame != NULL ) { @@ -271,11 +269,13 @@ static void *consumer_thread( void *arg ) // Lock during the operation mlt_service_lock( MLT_CONSUMER_SERVICE( consumer ) ); - // Get refresh request for the current frame (effect changes in still mode) + // Get refresh request for the current frame int refresh = mlt_properties_get_int( properties, "refresh" ); // Decrement refresh and clear changed - mlt_properties_set_int( properties, "refresh", refresh > 0 ? refresh - 1 : 0 ); + mlt_events_block( properties, properties ); + mlt_properties_set_int( properties, "refresh", 0 ); + mlt_events_unblock( properties, properties ); // Unlock after the operation mlt_service_unlock( MLT_CONSUMER_SERVICE( consumer ) ); @@ -289,12 +289,13 @@ static void *consumer_thread( void *arg ) // Optimisation to reduce latency if ( speed == 1.0 ) { - //if ( last_position != -1 && last_position + 1 != mlt_frame_get_position( frame ) ) - //mlt_consumer_purge( this->play ); + if ( last_position != -1 && last_position + 1 != mlt_frame_get_position( frame ) ) + mlt_consumer_purge( this->play ); last_position = mlt_frame_get_position( frame ); } else { + //mlt_consumer_purge( this->play ); last_position = -1; } @@ -353,20 +354,25 @@ static void *consumer_thread( void *arg ) if ( this->active == this->still ) { pthread_mutex_lock( &this->refresh_mutex ); - if ( speed == 0 && mlt_properties_get_int( properties, "refresh" ) == 0 ) + if ( speed == 0 && this->refresh_count == 0 ) pthread_cond_wait( &this->refresh_cond, &this->refresh_mutex ); + this->refresh_count = 0; pthread_mutex_unlock( &this->refresh_mutex ); } // We are definitely not waiting on the first frame any more first = 0; } + else + { + this->running = 0; + } } - mlt_consumer_stop( this->play ); - mlt_consumer_stop( this->still ); + //mlt_consumer_stop( this->play ); + //mlt_consumer_stop( this->still ); - SDL_Quit( ); + //SDL_Quit( ); return NULL; } @@ -382,13 +388,13 @@ static void consumer_close( mlt_consumer parent ) // Stop the consumer mlt_consumer_stop( parent ); - // Now clean up the rest - mlt_consumer_close( parent ); - // Close the child consumers mlt_consumer_close( this->play ); mlt_consumer_close( this->still ); + // Now clean up the rest + mlt_consumer_close( parent ); + // Finally clean up this free( this ); }