X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fsdl%2Fconsumer_sdl.c;h=06171b9cfaab2f092e0573a38c428a68e6a7bafc;hb=245af2ef6564488632b77c6e9018519ba134a320;hp=07f483fd7e903f5f68b8566077f8df512053d20d;hpb=a59ccd047ab1fafc417e4f577e6c858442c348b8;p=melted diff --git a/src/modules/sdl/consumer_sdl.c b/src/modules/sdl/consumer_sdl.c index 07f483f..06171b9 100644 --- a/src/modules/sdl/consumer_sdl.c +++ b/src/modules/sdl/consumer_sdl.c @@ -40,6 +40,7 @@ struct consumer_sdl_s mlt_properties properties; mlt_deque queue; pthread_t thread; + int joined; int running; uint8_t audio_buffer[ 4096 * 10 ]; int audio_avail; @@ -131,7 +132,7 @@ mlt_consumer consumer_sdl_init( char *arg ) this->height = mlt_properties_get_int( this->properties, "height" ); // Default window size - this->window_width = ( float )this->height * this->display_aspect + 0.5; + this->window_width = ( float )this->height * this->display_aspect; this->window_height = this->height; } else @@ -178,6 +179,7 @@ int consumer_start( mlt_consumer parent ) pthread_attr_t thread_attributes; this->running = 1; + this->joined = 0; // Allow the user to force resizing to window size if ( mlt_properties_get_int( this->properties, "resize" ) ) @@ -189,7 +191,7 @@ int consumer_start( mlt_consumer parent ) // Inherit the scheduling priority pthread_attr_init( &thread_attributes ); pthread_attr_setinheritsched( &thread_attributes, PTHREAD_INHERIT_SCHED ); - + pthread_create( &this->thread, &thread_attributes, consumer_thread, this ); } @@ -201,7 +203,7 @@ int consumer_stop( mlt_consumer parent ) // Get the actual object consumer_sdl this = parent->child; - if ( this->running ) + if ( this->joined == 0 ) { // Kill the thread and clean up this->running = 0; @@ -211,6 +213,7 @@ int consumer_stop( mlt_consumer parent ) pthread_mutex_unlock( &this->audio_mutex ); pthread_join( this->thread, NULL ); + this->joined = 1; } return 0; @@ -340,13 +343,16 @@ static int consumer_play_audio( consumer_sdl this, mlt_frame frame, int init_aud mlt_properties properties = mlt_frame_properties( frame ); bytes = ( samples * channels * 2 ); pthread_mutex_lock( &this->audio_mutex ); - while ( bytes > ( sizeof( this->audio_buffer) - this->audio_avail ) ) + while ( this->running && bytes > ( sizeof( this->audio_buffer) - this->audio_avail ) ) pthread_cond_wait( &this->audio_cond, &this->audio_mutex ); - if ( mlt_properties_get_double( properties, "_speed" ) == 1 ) - memcpy( &this->audio_buffer[ this->audio_avail ], pcm, bytes ); - else - memset( &this->audio_buffer[ this->audio_avail ], 0, bytes ); - this->audio_avail += bytes; + if ( this->running ) + { + if ( mlt_properties_get_double( properties, "_speed" ) == 1 ) + memcpy( &this->audio_buffer[ this->audio_avail ], pcm, bytes ); + else + memset( &this->audio_buffer[ this->audio_avail ], 0, bytes ); + this->audio_avail += bytes; + } pthread_cond_broadcast( &this->audio_cond ); pthread_mutex_unlock( &this->audio_mutex ); } @@ -444,7 +450,7 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame ) if ( this->rect.w > this->window_width ) { this->rect.w = this->window_width; - this->rect.h = this_aspect / frame_aspect * this->window_height + 0.5; + this->rect.h = this_aspect / frame_aspect * this->window_height; } } } @@ -459,16 +465,21 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame ) else if ( this->window_height * this->display_aspect > this->window_width ) { this->rect.w = this->window_width; - this->rect.h = this->window_width / this->display_aspect + 0.5; + this->rect.h = this->window_width / this->display_aspect; } else { - this->rect.w = this->window_height * this->display_aspect + 0.5; + this->rect.w = this->window_height * this->display_aspect; this->rect.h = this->window_height; } this->rect.x = ( this->window_width - this->rect.w ) / 2; this->rect.y = ( this->window_height - this->rect.h ) / 2; + + mlt_properties_set_int( this->properties, "rect_x", this->rect.x ); + mlt_properties_set_int( this->properties, "rect_y", this->rect.y ); + mlt_properties_set_int( this->properties, "rect_w", this->rect.w ); + mlt_properties_set_int( this->properties, "rect_h", this->rect.h ); // Force an overlay recreation if ( this->sdl_overlay != NULL ) @@ -530,6 +541,9 @@ static void *video_thread( void *arg ) mlt_properties properties = NULL; double speed = 0; + // Get real time flag + int real_time = mlt_properties_get_int( this->properties, "real_time" ); + // Get the current time gettimeofday( &now, NULL ); @@ -566,7 +580,7 @@ static void *video_thread( void *arg ) mlt_position difference = scheduled - elapsed; // Smooth playback a bit - if ( difference > 20000 && speed == 1.0 ) + if ( real_time && ( difference > 20000 && speed == 1.0 ) ) { tm.tv_sec = difference / 1000000; tm.tv_nsec = ( difference % 1000000 ) * 500; @@ -574,11 +588,11 @@ static void *video_thread( void *arg ) } // Show current frame if not too old - if ( difference > -10000 || speed != 1.0 || mlt_deque_count( this->queue ) < 2 ) + if ( !real_time || ( difference > -10000 || speed != 1.0 || mlt_deque_count( this->queue ) < 2 ) ) consumer_play_video( this, next ); // If the queue is empty, recalculate start to allow build up again - if ( mlt_deque_count( this->queue ) == 0 && speed == 1.0 ) + if ( real_time && ( mlt_deque_count( this->queue ) == 0 && speed == 1.0 ) ) { gettimeofday( &now, NULL ); start = ( ( int64_t )now.tv_sec * 1000000 + now.tv_usec ) - scheduled + 20000; @@ -589,6 +603,8 @@ static void *video_thread( void *arg ) mlt_frame_close( next ); } + mlt_consumer_stopped( &this->parent ); + return NULL; } @@ -613,6 +629,7 @@ static void *consumer_thread( void *arg ) mlt_properties properties = NULL; int duration = 0; int64_t playtime = 0; + struct timespec tm = { 0, 100000 }; if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE ) < 0 ) { @@ -651,6 +668,9 @@ static void *consumer_thread( void *arg ) // Set playtime for this frame mlt_properties_set_position( properties, "playtime", playtime ); + while ( this->running && mlt_deque_count( this->queue ) > 15 ) + nanosleep( &tm, NULL ); + // Push this frame to the back of the queue pthread_mutex_lock( &this->video_mutex ); mlt_deque_push_back( this->queue, frame );