consumer read ahead and int32_t migration
[melted] / src / modules / sdl / consumer_sdl.c
index d35e4a7..b06ca48 100644 (file)
@@ -27,7 +27,7 @@
 #include <pthread.h>
 #include <SDL/SDL.h>
 #include <SDL/SDL_syswm.h>
-#include <sys/timeb.h>
+#include <sys/time.h>
 
 /** This classes definition.
 */
@@ -41,7 +41,7 @@ struct consumer_sdl_s
        mlt_deque queue;
        pthread_t thread;
        int running;
-       uint8_t audio_buffer[ 4096 * 6 ];
+       uint8_t audio_buffer[ 4096 * 19 ];
        int audio_avail;
        pthread_mutex_t audio_mutex;
        pthread_cond_t audio_cond;
@@ -55,6 +55,7 @@ struct consumer_sdl_s
        SDL_Surface *sdl_screen;
        SDL_Overlay *sdl_overlay;
        uint8_t *buffer;
+       int time_taken;
 };
 
 /** Forward references to static functions.
@@ -268,16 +269,13 @@ static int consumer_play_audio( consumer_sdl this, mlt_frame frame, int init_aud
                SDL_AudioSpec request;
                SDL_AudioSpec got;
 
-               SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
-               SDL_EnableUNICODE( 1 );
-
                // specify audio format
                memset( &request, 0, sizeof( SDL_AudioSpec ) );
                this->playing = 0;
                request.freq = frequency;
                request.format = AUDIO_S16;
                request.channels = channels;
-               request.samples = 2048;
+               request.samples = 4096;
                request.callback = sdl_fill_audio;
                request.userdata = (void *)this;
                if ( SDL_OpenAudio( &request, &got ) != 0 )
@@ -315,7 +313,7 @@ static int consumer_play_audio( consumer_sdl this, mlt_frame frame, int init_aud
        return init_audio;
 }
 
-static int consumer_play_video( consumer_sdl this, mlt_frame frame, int64_t elapsed, int skip, int64_t playtime )
+static int consumer_play_video( consumer_sdl this, mlt_frame frame, int64_t elapsed, int64_t playtime )
 {
        // Get the properties of this consumer
        mlt_properties properties = this->properties;
@@ -324,7 +322,6 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame, int64_t elap
        int width = this->width, height = this->height;
        uint8_t *image;
        int changed = 0;
-       int show = 1;
 
        if ( mlt_properties_get_int( properties, "video_off" ) )
        {
@@ -332,95 +329,62 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame, int64_t elap
                return 0;
        }
 
-       // Handle events
-       if ( this->sdl_screen != NULL )
-       {
-               SDL_Event event;
-
-               changed = consumer_get_dimensions( &this->window_width, &this->window_height );
-
-               while ( SDL_PollEvent( &event ) )
-               {
-                       switch( event.type )
-                       {
-                               case SDL_VIDEORESIZE:
-                                       this->window_width = event.resize.w;
-                                       this->window_height = event.resize.h;
-                                       changed = 1;
-                                       break;
-                               case SDL_KEYDOWN:
-                                       {
-                                               mlt_producer producer = mlt_properties_get_data( properties, "transport_producer", NULL );
-                                               char keyboard[ 2 ] = " ";
-                                               void (*callback)( mlt_producer, char * ) = mlt_properties_get_data( properties, "transport_callback", NULL );
-                                               if ( callback != NULL && producer != NULL && event.key.keysym.unicode < 0x80 && event.key.keysym.unicode > 0 )
-                                               {
-                                                       keyboard[ 0 ] = ( char )event.key.keysym.unicode;
-                                                       callback( producer, keyboard );
-                                               }
-                                       }
-                                       break;
-                       }
-               }
-       }
-
        // Set skip
-       mlt_properties_set_int( mlt_frame_properties( frame ), "skip", skip );
        mlt_properties_set_position( mlt_frame_properties( frame ), "playtime", playtime );
+       mlt_properties_set_double( mlt_frame_properties( frame ), "consumer_scale", ( double )height / mlt_properties_get_double( properties, "height" ) );
 
        // Push this frame to the back of the queue
        mlt_deque_push_back( this->queue, frame );
        frame = NULL;
 
        if ( this->playing )
+               frame = mlt_deque_pop_front( this->queue );
+
+       if ( this->playing && frame != NULL && mlt_properties_get_int( mlt_frame_properties( frame ), "rendered" ) == 1 )
        {
-               // We might want to use an old frame if the current frame is skipped
-               mlt_frame candidate = NULL;
+               playtime = mlt_properties_get_position( mlt_frame_properties( frame ), "playtime" );
+
+               // Get the image, width and height
+               mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
 
-               while ( frame == NULL && mlt_deque_count( this->queue ) )
+               if ( playtime > elapsed + 20000 )
                {
-                       frame = mlt_deque_peek_front( this->queue );
-                       show = !mlt_properties_get_int( mlt_frame_properties( frame ), "skip" );
-                       playtime = mlt_properties_get_position( mlt_frame_properties( frame ), "playtime" );
+                       struct timespec tm = { ( playtime - elapsed ) / 1000000, ( ( playtime - elapsed ) % 1000000 ) * 1000 };
+                       nanosleep( &tm, NULL );
+               }
 
-                       // Check if frame is in the future or past
-                       if ( !show )
-                       {
-                               frame = mlt_deque_pop_front( this->queue );
-                               mlt_frame_close( frame );
-                               frame = NULL;
-                       }
-                       else if ( playtime > elapsed )
-                       {
-                               // no frame to show or remove
-                               frame = NULL;
-                               break;
-                       }
-                       else if ( playtime < elapsed - 40 )
-                       {
-                               if ( candidate != NULL )
-                                       mlt_frame_close( candidate );
-                               candidate = mlt_deque_pop_front( this->queue );
-                               frame = NULL;
-                       }
-                       else
+               // Handle events
+               if ( this->sdl_screen != NULL )
+               {
+                       SDL_Event event;
+       
+                       changed = consumer_get_dimensions( &this->window_width, &this->window_height );
+       
+                       while ( SDL_PollEvent( &event ) )
                        {
-                               // Get the frame at the front of the queue
-                               frame = mlt_deque_pop_front( this->queue );
+                               switch( event.type )
+                               {
+                                       case SDL_VIDEORESIZE:
+                                               this->window_width = event.resize.w;
+                                               this->window_height = event.resize.h;
+                                               changed = 1;
+                                               break;
+                                       case SDL_KEYDOWN:
+                                               {
+                                                       mlt_producer producer = mlt_properties_get_data( properties, "transport_producer", NULL );
+                                                       char keyboard[ 2 ] = " ";
+                                                       void (*callback)( mlt_producer, char * ) = mlt_properties_get_data( properties, "transport_callback", NULL );
+                                                       if ( callback != NULL && producer != NULL && event.key.keysym.unicode < 0x80 && event.key.keysym.unicode > 0 )
+                                                       {
+                                                               keyboard[ 0 ] = ( char )event.key.keysym.unicode;
+                                                               callback( producer, keyboard );
+                                                       }
+                                               }
+                                               break;
+                               }
                        }
                }
-
-               if ( frame == NULL )
-                       frame = candidate;
-               else if ( candidate != NULL )
-                       mlt_frame_close( candidate );
-       }
-
-       if ( this->playing && frame != NULL )
-       {
-               // Get the image, width and height
-               mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
-
+       
                if ( width != this->width || height != this->height )
                {
                        this->width = width;
@@ -497,15 +461,6 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame, int64_t elap
        if ( frame != NULL )
                mlt_frame_close( frame );
 
-       if ( mlt_deque_count( this->queue ) && !skip )
-       {
-               // Tell the producers about our scale relative to the normalisation
-               frame = mlt_deque_peek_front( this->queue );
-               mlt_properties_set_double( mlt_frame_properties( frame ), "consumer_scale",
-                       ( double )height / mlt_properties_get_double( properties, "height" ) );
-               mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
-       }
-
        return 0;
 }
 
@@ -524,57 +479,49 @@ static void *consumer_thread( void *arg )
        int init_audio = 1;
 
        // Obtain time of thread start
-       struct timeb now;
+       struct timeval now;
        int64_t start = 0;
        int64_t elapsed = 0;
        int duration = 0;
        int64_t playtime = 0;
-       int skip = 0;
 
        if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE ) < 0 )
        {
                fprintf( stderr, "Failed to initialize SDL: %s\n", SDL_GetError() );
                return NULL;
        }
-       
+
+       SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
+       SDL_EnableUNICODE( 1 );
+
        // Loop until told not to
        while( this->running )
        {
                // Get a frame from the attached producer
-               mlt_frame frame = mlt_consumer_get_frame( consumer );
+               mlt_frame frame = mlt_consumer_rt_frame( consumer, mlt_image_yuv422 );
 
                // Ensure that we have a frame
                if ( frame != NULL )
                {
-                       skip = 0;
-
-                       // SDL adapts display aspect, but set this so pixel aspect can be normalised
-//                     mlt_properties_set_double( mlt_frame_properties( frame ), "consumer_aspect_ratio",
-//                             mlt_frame_get_aspect_ratio( frame ) );
-                       
                        // Play audio
                        init_audio = consumer_play_audio( this, frame, init_audio, &duration );
 
                        if ( this->playing )
                        {
                                // Get the current time
-                               ftime( &now );
+                               gettimeofday( &now, NULL );
 
                                // Determine elapsed time
                                if ( start == 0 )
-                                       start = ( int64_t )now.time * 1000 + now.millitm;
+                                       start = ( int64_t )now.tv_sec * 1000000 + now.tv_usec;
                                else
-                                       elapsed = ( ( int64_t )now.time * 1000 + now.millitm ) - start;
-
-                               skip = playtime < elapsed;
+                                       elapsed = ( ( int64_t )now.tv_sec * 1000000 + now.tv_usec) - start;
 
-                               if ( skip )
-                                       start = start + ( elapsed - playtime );
                        }
 
-                       consumer_play_video( this, frame, elapsed, skip, playtime );
+                       consumer_play_video( this, frame, elapsed, playtime );
 
-                       playtime += duration;
+                       playtime += ( duration * 1000 );
                }
        }