#include "consumer_sdl.h"
#include <framework/mlt_frame.h>
#include <framework/mlt_deque.h>
+#include <framework/mlt_factory.h>
+#include <framework/mlt_filter.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
mlt_properties properties;
mlt_deque queue;
pthread_t thread;
+ int joined;
int running;
uint8_t audio_buffer[ 4096 * 10 ];
int audio_avail;
pthread_cond_t video_cond;
int window_width;
int window_height;
- float aspect_ratio;
- float display_aspect;
+ int previous_width;
+ int previous_height;
int width;
int height;
int playing;
SDL_Overlay *sdl_overlay;
SDL_Rect rect;
uint8_t *buffer;
+ int bpp;
+ int filtered;
};
/** Forward references to static functions.
static void consumer_close( mlt_consumer parent );
static void *consumer_thread( void * );
static int consumer_get_dimensions( int *width, int *height );
+static void consumer_sdl_event( mlt_listener listener, mlt_properties owner, mlt_service this, void **args );
/** This is what will be called by the factory - anything can be passed in
via the argument, but keep it simple.
parent->close = consumer_close;
// get a handle on properties
- mlt_service service = mlt_consumer_service( parent );
- this->properties = mlt_service_properties( service );
+ mlt_service service = MLT_CONSUMER_SERVICE( parent );
+ this->properties = MLT_SERVICE_PROPERTIES( service );
+ // Default display aspect ratio
+ double display_ratio = mlt_properties_get_double( this->properties, "display_ratio" );
+
// Set the default volume
mlt_properties_set_double( this->properties, "volume", 1.0 );
mlt_properties_set_int( this->properties, "progressive", 0 );
// Default audio buffer
- mlt_properties_set_int( this->properties, "audio_buffer", 1024 );
+ mlt_properties_set_int( this->properties, "audio_buffer", 512 );
- // Get sample aspect ratio
- this->aspect_ratio = mlt_properties_get_double( this->properties, "aspect_ratio" );
-
- // Default display aspect ratio
- this->display_aspect = 4.0 / 3.0;
+ // Ensure we don't join on a non-running object
+ this->joined = 1;
// process actual param
if ( arg == NULL || sscanf( arg, "%dx%d", &this->width, &this->height ) != 2 )
{
this->width = mlt_properties_get_int( this->properties, "width" );
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_height = this->height;
- }
- else
- {
- if ( (int)( ( float )this->width / this->height * 1000 ) !=
- (int)( this->display_aspect * 1000 ) )
- {
- // Override these
- this->display_aspect = ( float )this->width / this->height;
- this->aspect_ratio = 1.0;
- mlt_properties_set_double( this->properties, "aspect_ratio", this->aspect_ratio );
- }
-
- // Set window size
- this->window_width = this->width;
- this->window_height = this->height;
}
+ // Default window size
+ this->window_width = ( double )this->height * display_ratio;
+ this->window_height = this->height;
+
// Set the sdl flags
this->sdl_flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL | SDL_RESIZABLE | SDL_DOUBLEBUF;
parent->stop = consumer_stop;
parent->is_stopped = consumer_is_stopped;
+ // Register specific events
+ mlt_events_register( this->properties, "consumer-sdl-event", ( mlt_transmitter )consumer_sdl_event );
+
// Return the consumer produced
return parent;
}
return NULL;
}
+static void consumer_sdl_event( mlt_listener listener, mlt_properties owner, mlt_service this, void **args )
+{
+ if ( listener != NULL )
+ listener( owner, this, ( SDL_Event * )args[ 0 ] );
+}
+
int consumer_start( mlt_consumer parent )
{
consumer_sdl this = parent->child;
if ( !this->running )
{
- pthread_attr_t thread_attributes;
-
+ int video_off = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "video_off" );
+ int preview_off = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "preview_off" );
+ int display_off = video_off | preview_off;
+ int audio_off = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "audio_off" );
+ int sdl_started = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "sdl_started" );
+
+ consumer_stop( parent );
+
this->running = 1;
+ this->joined = 0;
+
+ this->width = mlt_properties_get_int( this->properties, "width" );
+ this->height = mlt_properties_get_int( this->properties, "height" );
+
+ this->bpp = mlt_properties_get_int( this->properties, "bpp" );
- // Allow the user to force resizing to window size
- if ( mlt_properties_get_int( this->properties, "resize" ) )
+ // Attach a colour space converter
+ if ( preview_off && !this->filtered )
{
- mlt_properties_set_int( this->properties, "width", this->width );
- mlt_properties_set_int( this->properties, "height", this->height );
+ mlt_filter filter = mlt_factory_filter( "avcolour_space", NULL );
+ mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "forced", mlt_image_yuv422 );
+ mlt_service_attach( MLT_CONSUMER_SERVICE( parent ), filter );
+ mlt_filter_close( filter );
+ this->filtered = 1;
}
-
- // 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 );
+ if ( sdl_started == 0 && display_off == 0 )
+ {
+ if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE ) < 0 )
+ {
+ fprintf( stderr, "Failed to initialize SDL: %s\n", SDL_GetError() );
+ return -1;
+ }
+
+ SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
+ SDL_EnableUNICODE( 1 );
+ }
+ else if ( display_off == 0 )
+ {
+ this->sdl_screen = SDL_GetVideoSurface( );
+ }
+
+ if ( audio_off == 0 )
+ SDL_InitSubSystem( SDL_INIT_AUDIO );
+
+ if ( this->sdl_screen == NULL && display_off == 0 )
+ this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
+
+ pthread_create( &this->thread, NULL, consumer_thread, this );
}
return 0;
// Get the actual object
consumer_sdl this = parent->child;
- if ( this->running )
+ if ( this->joined == 0 )
{
// Kill the thread and clean up
+ this->joined = 1;
this->running = 0;
+ pthread_join( this->thread, NULL );
- pthread_mutex_lock( &this->audio_mutex );
- pthread_cond_broadcast( &this->audio_cond );
- pthread_mutex_unlock( &this->audio_mutex );
+ // internal cleanup
+ if ( this->sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( this->sdl_overlay );
+ this->sdl_overlay = NULL;
- pthread_join( this->thread, NULL );
+ if ( !mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "audio_off" ) )
+ SDL_QuitSubSystem( SDL_INIT_AUDIO );
+
+ if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "sdl_started" ) == 0 )
+ SDL_Quit( );
+
+ this->sdl_screen = NULL;
}
return 0;
consumer_sdl this = udata;
// Get the volume
- float volume = mlt_properties_get_double( this->properties, "volume" );
+ double volume = mlt_properties_get_double( this->properties, "volume" );
pthread_mutex_lock( &this->audio_mutex );
if ( this->audio_avail >= len )
{
// Place in the audio buffer
- memcpy( stream, this->audio_buffer, len );
+ if ( volume != 1.0 )
+ SDL_MixAudio( stream, this->audio_buffer, len, ( int )( ( float )SDL_MIX_MAXVOLUME * volume ) );
+ else
+ memcpy( stream, this->audio_buffer, len );
// Remove len from the audio available
this->audio_avail -= len;
// Just to be safe, wipe the stream first
memset( stream, 0, len );
- // Copy what we have into the stream
- memcpy( stream, this->audio_buffer, this->audio_avail );
-
// Mix the audio
- SDL_MixAudio( stream, stream, len, ( int )( ( float )SDL_MIX_MAXVOLUME * volume ) );
+ SDL_MixAudio( stream, this->audio_buffer, len, ( int )( ( float )SDL_MIX_MAXVOLUME * volume ) );
// No audio left
this->audio_avail = 0;
memset( &request, 0, sizeof( SDL_AudioSpec ) );
this->playing = 0;
request.freq = frequency;
- request.format = AUDIO_S16;
+ request.format = AUDIO_S16SYS;
request.channels = channels;
request.samples = audio_buffer;
request.callback = sdl_fill_audio;
if ( init_audio == 0 )
{
- mlt_properties properties = mlt_frame_properties( frame );
+ 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 );
}
uint8_t *image;
int changed = 0;
- if ( mlt_properties_get_int( properties, "video_off" ) == 0 )
+ int video_off = mlt_properties_get_int( properties, "video_off" );
+ int preview_off = mlt_properties_get_int( properties, "preview_off" );
+ mlt_image_format preview_format = mlt_properties_get_int( properties, "preview_format" );
+ int display_off = video_off | preview_off;
+
+ if ( this->running && display_off == 0 )
{
// Get the image, width and height
mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "format", vfmt );
+ mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
// Handle events
if ( this->sdl_screen != NULL )
{
SDL_Event event;
+ sdl_lock_display( );
changed = consumer_get_dimensions( &this->window_width, &this->window_height );
-
+ sdl_unlock_display( );
+
while ( SDL_PollEvent( &event ) )
{
+ mlt_events_fire( this->properties, "consumer-sdl-event", &event, NULL );
+
switch( event.type )
{
case SDL_VIDEORESIZE:
}
}
+ sdl_lock_display();
+
if ( width != this->width || height != this->height )
{
- this->width = width;
- this->height = height;
- changed = 1;
+ if ( this->sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( this->sdl_overlay );
+ this->sdl_overlay = NULL;
}
- if ( this->sdl_screen == NULL || changed )
+ if ( this->running && ( this->sdl_screen == NULL || changed ) )
+ {
+ // Force an overlay recreation
+ if ( this->sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( this->sdl_overlay );
+ this->sdl_overlay = NULL;
+
+ // open SDL window with video overlay, if possible
+ this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, this->bpp, this->sdl_flags );
+ if ( consumer_get_dimensions( &this->window_width, &this->window_height ) )
+ this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, this->bpp, this->sdl_flags );
+ }
+
+ if ( this->running )
{
- // Determine frame's display aspect ratio
- float frame_aspect = mlt_frame_get_aspect_ratio( frame ) * this->width / this->height;
-
// Determine window's new display aspect ratio
- float this_aspect = ( float )this->window_width / this->window_height;
+ double this_aspect = ( double )this->window_width / this->window_height;
+
+ // Get the display aspect ratio
+ double display_ratio = mlt_properties_get_double( properties, "display_ratio" );
+
+ // Determine frame's display aspect ratio
+ double frame_aspect = mlt_frame_get_aspect_ratio( frame ) * width / height;
+
+ // Store the width and height received
+ this->width = width;
+ this->height = height;
// If using hardware scaler
if ( mlt_properties_get( properties, "rescale" ) != NULL &&
!strcmp( mlt_properties_get( properties, "rescale" ), "none" ) )
{
- // Special case optimisation to negate odd effect of sample aspect ratio
- // not corresponding exactly with image resolution.
- if ( ( (int)( this_aspect * 1000 ) == (int)( this->display_aspect * 1000 ) ) &&
- ( (int)( mlt_frame_get_aspect_ratio( frame ) * 1000 ) == (int)( this->aspect_ratio * 1000 ) ) )
+ // Use hardware scaler to normalise display aspect ratio
+ this->rect.w = frame_aspect / this_aspect * this->window_width;
+ this->rect.h = this->window_height;
+ if ( this->rect.w > this->window_width )
{
this->rect.w = this->window_width;
- this->rect.h = this->window_height;
- }
- else
- {
- // Use hardware scaler to normalise display aspect ratio
- this->rect.w = frame_aspect / this_aspect * this->window_width + 0.5;
- this->rect.h = this->window_height;
- 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;
}
}
// Special case optimisation to negate odd effect of sample aspect ratio
// not corresponding exactly with image resolution.
- else if ( (int)( this_aspect * 1000 ) == (int)( this->display_aspect * 1000 ) )
+ else if ( (int)( this_aspect * 1000 ) == (int)( display_ratio * 1000 ) )
{
this->rect.w = this->window_width;
this->rect.h = this->window_height;
}
// Use hardware scaler to normalise sample aspect ratio
- else if ( this->window_height * frame_aspect > this->window_width )
+ else if ( this->window_height * display_ratio > this->window_width )
{
this->rect.w = this->window_width;
- this->rect.h = this->window_width / frame_aspect + 0.5;
+ this->rect.h = this->window_width / display_ratio;
}
else
{
- this->rect.w = this->window_height * frame_aspect + 0.5;
+ this->rect.w = this->window_height * display_ratio;
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;
-
- // Force an overlay recreation
- if ( this->sdl_overlay != NULL )
- SDL_FreeYUVOverlay( this->sdl_overlay );
+ this->rect.x -= this->rect.x % 2;
- // open SDL window with video overlay, if possible
- this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
+ 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 );
- if ( this->sdl_screen != NULL )
- {
- SDL_SetClipRect( this->sdl_screen, &this->rect );
- sdl_lock_display();
- this->sdl_overlay = SDL_CreateYUVOverlay( this->width, this->height, SDL_YUY2_OVERLAY, this->sdl_screen );
- sdl_unlock_display();
- }
+ SDL_SetClipRect( this->sdl_screen, &this->rect );
}
-
- if ( mlt_properties_get_int( properties, "changed" ) )
+
+ if ( this->running && this->sdl_screen != NULL && this->sdl_overlay == NULL )
{
- sdl_lock_display();
- this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
SDL_SetClipRect( this->sdl_screen, &this->rect );
- SDL_Flip( this->sdl_screen );
- sdl_unlock_display();
- mlt_properties_set_int( properties, "changed", 0 );
+ this->sdl_overlay = SDL_CreateYUVOverlay( width, height, SDL_YUY2_OVERLAY, this->sdl_screen );
}
- if ( this->sdl_screen != NULL && this->sdl_overlay != NULL )
+ if ( this->running && this->sdl_screen != NULL && this->sdl_overlay != NULL )
{
this->buffer = this->sdl_overlay->pixels[ 0 ];
- sdl_lock_display();
if ( SDL_LockYUVOverlay( this->sdl_overlay ) >= 0 )
{
if ( image != NULL )
SDL_UnlockYUVOverlay( this->sdl_overlay );
SDL_DisplayYUVOverlay( this->sdl_overlay, &this->sdl_screen->clip_rect );
}
- sdl_unlock_display();
}
+
+ sdl_unlock_display();
+ }
+ else if ( this->running )
+ {
+ vfmt = preview_format == mlt_image_none ? mlt_image_rgb24a : preview_format;
+ if ( !video_off )
+ mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "format", vfmt );
+ mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
}
return 0;
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 );
{
// Pop the next frame
pthread_mutex_lock( &this->video_mutex );
- while ( ( next = mlt_deque_pop_front( this->queue ) ) == NULL && this->running )
+ next = mlt_deque_pop_front( this->queue );
+ while ( next == NULL && this->running )
+ {
pthread_cond_wait( &this->video_cond, &this->video_mutex );
+ next = mlt_deque_pop_front( this->queue );
+ }
pthread_mutex_unlock( &this->video_mutex );
+ if ( !this->running || next == NULL ) break;
+
// Get the properties
- properties = mlt_frame_properties( next );
+ properties = MLT_FRAME_PROPERTIES( next );
// Get the speed of the frame
speed = mlt_properties_get_double( properties, "_speed" );
if ( mlt_properties_get_int( properties, "rendered" ) == 1 && this->running )
{
// Obtain the scheduled playout time
- mlt_position scheduled = mlt_properties_get_position( properties, "playtime" );
+ int64_t scheduled = mlt_properties_get_int( properties, "playtime" );
// Determine the difference between the elapsed time and the scheduled playout time
- mlt_position difference = scheduled - elapsed;
+ int64_t 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;
}
// 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;
// This frame can now be closed
mlt_frame_close( next );
+ next = NULL;
}
+ if ( next != NULL )
+ mlt_frame_close( next );
+
+ mlt_consumer_stopped( &this->parent );
+
return NULL;
}
mlt_properties properties = NULL;
int duration = 0;
int64_t playtime = 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 );
+ struct timespec tm = { 0, 100000 };
// Loop until told not to
while( this->running )
if ( frame != NULL )
{
// Get the frame properties
- properties = mlt_frame_properties( frame );
+ properties = MLT_FRAME_PROPERTIES( frame );
// Play audio
init_audio = consumer_play_audio( this, frame, init_audio, &duration );
}
// Set playtime for this frame
- mlt_properties_set_position( properties, "playtime", playtime );
+ mlt_properties_set_int( 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 );
pthread_join( thread, NULL );
}
- // internal cleanup
- if ( this->sdl_overlay != NULL )
- SDL_FreeYUVOverlay( this->sdl_overlay );
- SDL_Quit( );
-
while( mlt_deque_count( this->queue ) )
mlt_frame_close( mlt_deque_pop_back( this->queue ) );
this->sdl_screen = NULL;
- this->sdl_overlay = NULL;
this->audio_avail = 0;
return NULL;
// Specify the SDL Version
SDL_VERSION( &wm.version );
+ // Lock the display
+ //sdl_lock_display();
+
+#ifndef __DARWIN__
// Get the wm structure
if ( SDL_GetWMInfo( &wm ) == 1 )
{
*height = attr.height;
}
}
+#endif
+
+ // Unlock the display
+ //sdl_unlock_display();
return changed;
}
consumer_sdl this = parent->child;
// Stop the consumer
- mlt_consumer_stop( parent );
+ ///mlt_consumer_stop( parent );
+
+ // Now clean up the rest
+ mlt_consumer_close( parent );
// Close the queue
mlt_deque_close( this->queue );
pthread_mutex_destroy( &this->audio_mutex );
pthread_cond_destroy( &this->audio_cond );
- // Now clean up the rest
- mlt_consumer_close( parent );
-
// Finally clean up this
free( this );
}