X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmodules%2Fsdl%2Fconsumer_sdl.c;h=033b69cebb96c67d3b71109d664274ef41f41317;hb=6453d1c04f43c722559ceff2293a24b281ff3262;hp=f438d26a6d1023b92591eac13365bfb015c714b2;hpb=c9e2414c3588e554db5fc94d268bc0c9de3dba30;p=mlt diff --git a/src/modules/sdl/consumer_sdl.c b/src/modules/sdl/consumer_sdl.c index f438d26a..033b69ce 100644 --- a/src/modules/sdl/consumer_sdl.c +++ b/src/modules/sdl/consumer_sdl.c @@ -1,31 +1,39 @@ /* * consumer_sdl.c -- A Simple DirectMedia Layer consumer - * Copyright (C) 2003-2004 Ushodaya Enterprises Limited + * Copyright (C) 2003-2004, 2010 Ushodaya Enterprises Limited * Author: Dan Dennedy * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. * - * This program is distributed in the hope that it will be useful, + * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include "consumer_sdl.h" +#include #include +#include +#include +#include +#include #include #include #include #include -#include -#include +#include +#include +#include +#include "consumer_sdl_osx.h" + +extern pthread_mutex_t mlt_sdl_mutex; /** This classes definition. */ @@ -36,318 +44,850 @@ struct consumer_sdl_s { struct mlt_consumer_s parent; mlt_properties properties; - int format; - int video; + mlt_deque queue; pthread_t thread; + int joined; int running; - uint8_t audio_buffer[ 4096 * 6 ]; + uint8_t audio_buffer[ 4096 * 10 ]; int audio_avail; pthread_mutex_t audio_mutex; pthread_cond_t audio_cond; + pthread_mutex_t video_mutex; + pthread_cond_t video_cond; int window_width; int window_height; + int previous_width; + int previous_height; int width; int height; + int playing; + int sdl_flags; + SDL_Overlay *sdl_overlay; + SDL_Rect rect; + uint8_t *buffer; + int bpp; + int is_purge; }; /** Forward references to static functions. */ +static int consumer_start( mlt_consumer parent ); +static int consumer_stop( mlt_consumer parent ); +static int consumer_is_stopped( mlt_consumer parent ); +static void consumer_purge( mlt_consumer parent ); 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 self, void **args ); /** This is what will be called by the factory - anything can be passed in via the argument, but keep it simple. */ -mlt_consumer consumer_sdl_init( char *arg ) +mlt_consumer consumer_sdl_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg ) { // Create the consumer object - consumer_sdl this = calloc( sizeof( struct consumer_sdl_s ), 1 ); + consumer_sdl self = calloc( 1, sizeof( struct consumer_sdl_s ) ); // If no malloc'd and consumer init ok - if ( this != NULL && mlt_consumer_init( &this->parent, this ) == 0 ) + if ( self != NULL && mlt_consumer_init( &self->parent, self, profile ) == 0 ) { + // Create the queue + self->queue = mlt_deque_init( ); + // Get the parent consumer object - mlt_consumer parent = &this->parent; + mlt_consumer parent = &self->parent; // We have stuff to clean up, so override the close method 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 ); + self->properties = MLT_SERVICE_PROPERTIES( service ); // Set the default volume - mlt_properties_set_double( this->properties, "volume", 1.0 ); + mlt_properties_set_double( self->properties, "volume", 1.0 ); // This is the initialisation of the consumer - this->running = 1; - pthread_mutex_init( &this->audio_mutex, NULL ); - pthread_cond_init( &this->audio_cond, NULL); + pthread_mutex_init( &self->audio_mutex, NULL ); + pthread_cond_init( &self->audio_cond, NULL); + pthread_mutex_init( &self->video_mutex, NULL ); + pthread_cond_init( &self->video_cond, NULL); + + // Default scaler (for now we'll use nearest) + mlt_properties_set( self->properties, "rescale", "nearest" ); + mlt_properties_set( self->properties, "deinterlace_method", "onefield" ); + mlt_properties_set_int( self->properties, "top_field_first", -1 ); + + // Default buffer for low latency + mlt_properties_set_int( self->properties, "buffer", 1 ); + + // Default audio buffer + mlt_properties_set_int( self->properties, "audio_buffer", 2048 ); + + // Ensure we don't join on a non-running object + self->joined = 1; // process actual param - if ( arg == NULL || !strcmp( arg, "PAL" ) ) - { - this->width = 720; - this->height = 576; - } - else if ( !strcmp( arg, "NTSC" ) ) + if ( arg && sscanf( arg, "%dx%d", &self->width, &self->height ) ) { - this->width = 720; - this->height = 480; + mlt_properties_set_int( self->properties, "_arg_size", 1 ); } - else if ( sscanf( arg, "%dx%d", &this->width, &this->height ) != 2 ) + else { - this->width = 720; - this->height = 576; + self->width = mlt_properties_get_int( self->properties, "width" ); + self->height = mlt_properties_get_int( self->properties, "height" ); } - - - // Create the the thread - pthread_create( &this->thread, NULL, consumer_thread, this ); + + // Set the sdl flags + self->sdl_flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL | SDL_DOUBLEBUF; +#if !defined(__DARWIN__) + self->sdl_flags |= SDL_RESIZABLE; +#endif + // Allow thread to be started/stopped + parent->start = consumer_start; + parent->stop = consumer_stop; + parent->is_stopped = consumer_is_stopped; + parent->purge = consumer_purge; + + // Register specific events + mlt_events_register( self->properties, "consumer-sdl-event", ( mlt_transmitter )consumer_sdl_event ); // Return the consumer produced return parent; } // malloc or consumer init failed - free( this ); + free( self ); // Indicate failure return NULL; } +static void consumer_sdl_event( mlt_listener listener, mlt_properties owner, mlt_service self, void **args ) +{ + if ( listener != NULL ) + listener( owner, self, ( SDL_Event * )args[ 0 ] ); +} + +int consumer_start( mlt_consumer parent ) +{ + consumer_sdl self = parent->child; + + if ( !self->running ) + { + mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent ); + int video_off = mlt_properties_get_int( properties, "video_off" ); + int preview_off = mlt_properties_get_int( properties, "preview_off" ); + int display_off = video_off | preview_off; + int audio_off = mlt_properties_get_int( properties, "audio_off" ); + int sdl_started = mlt_properties_get_int( properties, "sdl_started" ); + char *output_display = mlt_properties_get( properties, "output_display" ); + char *window_id = mlt_properties_get( properties, "window_id" ); + char *audio_driver = mlt_properties_get( properties, "audio_driver" ); + char *video_driver = mlt_properties_get( properties, "video_driver" ); + char *audio_device = mlt_properties_get( properties, "audio_device" ); + + consumer_stop( parent ); + + self->running = 1; + self->joined = 0; + + if ( output_display != NULL ) + setenv( "DISPLAY", output_display, 1 ); + + if ( window_id != NULL ) + setenv( "SDL_WINDOWID", window_id, 1 ); + + if ( video_driver != NULL ) + setenv( "SDL_VIDEODRIVER", video_driver, 1 ); + + if ( audio_driver != NULL ) + setenv( "SDL_AUDIODRIVER", audio_driver, 1 ); + + if ( audio_device != NULL ) + setenv( "AUDIODEV", audio_device, 1 ); + + if ( ! mlt_properties_get_int( self->properties, "_arg_size" ) ) + { + if ( mlt_properties_get_int( self->properties, "width" ) > 0 ) + self->width = mlt_properties_get_int( self->properties, "width" ); + if ( mlt_properties_get_int( self->properties, "height" ) > 0 ) + self->height = mlt_properties_get_int( self->properties, "height" ); + } + + self->bpp = mlt_properties_get_int( self->properties, "bpp" ); + + if ( sdl_started == 0 && display_off == 0 ) + { + pthread_mutex_lock( &mlt_sdl_mutex ); + int ret = SDL_Init( SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE ); + pthread_mutex_unlock( &mlt_sdl_mutex ); + if ( ret < 0 ) + { + mlt_log_error( MLT_CONSUMER_SERVICE(parent), "Failed to initialize SDL: %s\n", SDL_GetError() ); + return -1; + } + + SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL ); + SDL_EnableUNICODE( 1 ); + } + + if ( audio_off == 0 ) + SDL_InitSubSystem( SDL_INIT_AUDIO ); + + // Default window size + if ( mlt_properties_get_int( self->properties, "_arg_size" ) ) + { + self->window_width = self->width; + self->window_height = self->height; + } + else + { + double display_ratio = mlt_properties_get_double( self->properties, "display_ratio" ); + self->window_width = ( double )self->height * display_ratio + 0.5; + self->window_height = self->height; + } + + pthread_mutex_lock( &mlt_sdl_mutex ); + if ( !SDL_GetVideoSurface() && display_off == 0 ) + { + if ( mlt_properties_get_int( self->properties, "fullscreen" ) ) + { + const SDL_VideoInfo *vi; + vi = SDL_GetVideoInfo(); + self->window_width = vi->current_w; + self->window_height = vi->current_h; + self->sdl_flags |= SDL_FULLSCREEN; + SDL_ShowCursor( SDL_DISABLE ); + } + SDL_SetVideoMode( self->window_width, self->window_height, 0, self->sdl_flags ); + } + pthread_mutex_unlock( &mlt_sdl_mutex ); + + pthread_create( &self->thread, NULL, consumer_thread, self ); + } + + return 0; +} + +int consumer_stop( mlt_consumer parent ) +{ + // Get the actual object + consumer_sdl self = parent->child; + + if ( self->joined == 0 ) + { + // Kill the thread and clean up + self->joined = 1; + self->running = 0; +#ifndef WIN32 + if ( self->thread ) +#endif + pthread_join( self->thread, NULL ); + + // internal cleanup + if ( self->sdl_overlay != NULL ) + SDL_FreeYUVOverlay( self->sdl_overlay ); + self->sdl_overlay = NULL; + + if ( !mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "audio_off" ) ) + { + pthread_mutex_lock( &self->audio_mutex ); + pthread_cond_broadcast( &self->audio_cond ); + pthread_mutex_unlock( &self->audio_mutex ); + SDL_QuitSubSystem( SDL_INIT_AUDIO ); + } + + if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "sdl_started" ) == 0 ) + { + pthread_mutex_lock( &mlt_sdl_mutex ); + SDL_Quit( ); + pthread_mutex_unlock( &mlt_sdl_mutex ); + } + } + + return 0; +} + +int consumer_is_stopped( mlt_consumer parent ) +{ + consumer_sdl self = parent->child; + return !self->running; +} + +void consumer_purge( mlt_consumer parent ) +{ + consumer_sdl self = parent->child; + if ( self->running ) + { + pthread_mutex_lock( &self->video_mutex ); + while ( mlt_deque_count( self->queue ) ) + mlt_frame_close( mlt_deque_pop_back( self->queue ) ); + self->is_purge = 1; + pthread_cond_broadcast( &self->video_cond ); + pthread_mutex_unlock( &self->video_mutex ); + } +} + static int sdl_lock_display( ) { + pthread_mutex_lock( &mlt_sdl_mutex ); SDL_Surface *screen = SDL_GetVideoSurface( ); - return screen != NULL && ( !SDL_MUSTLOCK( screen ) || SDL_LockSurface( screen ) >= 0 ); + int result = screen != NULL && ( !SDL_MUSTLOCK( screen ) || SDL_LockSurface( screen ) >= 0 ); + pthread_mutex_unlock( &mlt_sdl_mutex ); + return result; } static void sdl_unlock_display( ) { + pthread_mutex_lock( &mlt_sdl_mutex ); SDL_Surface *screen = SDL_GetVideoSurface( ); if ( screen != NULL && SDL_MUSTLOCK( screen ) ) SDL_UnlockSurface( screen ); + pthread_mutex_unlock( &mlt_sdl_mutex ); } -void sdl_fill_audio( void *udata, uint8_t *stream, int len ) +static void sdl_fill_audio( void *udata, uint8_t *stream, int len ) { - consumer_sdl this = udata; + consumer_sdl self = udata; // Get the volume - float volume = mlt_properties_get_double( this->properties, "volume" ); + double volume = mlt_properties_get_double( self->properties, "volume" ); - pthread_mutex_lock( &this->audio_mutex ); + pthread_mutex_lock( &self->audio_mutex ); - // Experimental - block until audio received - while ( this->running && len > this->audio_avail ) - pthread_cond_wait( &this->audio_cond, &this->audio_mutex ); + // Block until audio received + while ( self->running && len > self->audio_avail ) + pthread_cond_wait( &self->audio_cond, &self->audio_mutex ); - if ( this->audio_avail >= len ) + if ( self->audio_avail >= len ) { // Place in the audio buffer - SDL_MixAudio( stream, this->audio_buffer, len, ( int )( ( float )SDL_MIX_MAXVOLUME * volume ) ); + if ( volume != 1.0 ) + SDL_MixAudio( stream, self->audio_buffer, len, ( int )( ( float )SDL_MIX_MAXVOLUME * volume ) ); + else + memcpy( stream, self->audio_buffer, len ); // Remove len from the audio available - this->audio_avail -= len; + self->audio_avail -= len; // Remove the samples - memmove( this->audio_buffer, this->audio_buffer + len, this->audio_avail ); + memmove( self->audio_buffer, self->audio_buffer + len, self->audio_avail ); } else { // 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, self->audio_buffer, len, ( int )( ( float )SDL_MIX_MAXVOLUME * volume ) ); // No audio left - this->audio_avail = 0; + self->audio_avail = 0; } - pthread_cond_broadcast( &this->audio_cond ); - pthread_mutex_unlock( &this->audio_mutex ); -} -/** Threaded wrapper for pipe. -*/ + // We're definitely playing now + self->playing = 1; -static void *consumer_thread( void *arg ) + pthread_cond_broadcast( &self->audio_cond ); + pthread_mutex_unlock( &self->audio_mutex ); +} + +static int consumer_play_audio( consumer_sdl self, mlt_frame frame, int init_audio, int *duration ) { - // Identify the arg - consumer_sdl this = arg; + // Get the properties of self consumer + mlt_properties properties = self->properties; + mlt_audio_format afmt = mlt_audio_s16; - // Get the consumer - mlt_consumer consumer = &this->parent; + // Set the preferred params of the test card signal + int channels = mlt_properties_get_int( properties, "channels" ); + int dest_channels = channels; + int frequency = mlt_properties_get_int( properties, "frequency" ); + static int counter = 0; - // Get the service assoicated to the consumer - mlt_service service = mlt_consumer_service( consumer ); + int samples = mlt_sample_calculator( mlt_properties_get_double( self->properties, "fps" ), frequency, counter++ ); + + int16_t *pcm; + int bytes; - // Define a frame pointer - mlt_frame frame; + mlt_frame_get_audio( frame, (void**) &pcm, &afmt, &frequency, &channels, &samples ); + *duration = ( ( samples * 1000 ) / frequency ); + pcm += mlt_properties_get_int( properties, "audio_offset" ); - // internal intialization - int sdl_flags = SDL_HWSURFACE | SDL_DOUBLEBUF | SDL_HWACCEL | SDL_RESIZABLE; - SDL_Surface *sdl_screen = NULL; - SDL_Overlay *sdl_overlay = NULL; - uint8_t *buffer = NULL; - int init_audio = 1; - int bytes; + if ( mlt_properties_get_int( properties, "audio_off" ) ) + { + self->playing = 1; + init_audio = 1; + return init_audio; + } - if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE ) < 0 ) + if ( init_audio == 1 ) { - fprintf( stderr, "Failed to initialize SDL: %s\n", SDL_GetError() ); - return NULL; + SDL_AudioSpec request; + SDL_AudioSpec got; + + int audio_buffer = mlt_properties_get_int( properties, "audio_buffer" ); + + // specify audio format + memset( &request, 0, sizeof( SDL_AudioSpec ) ); + self->playing = 0; + request.freq = frequency; + request.format = AUDIO_S16SYS; + request.channels = dest_channels; + request.samples = audio_buffer; + request.callback = sdl_fill_audio; + request.userdata = (void *)self; + if ( SDL_OpenAudio( &request, &got ) != 0 ) + { + mlt_log_error( MLT_CONSUMER_SERVICE( self ), "SDL failed to open audio: %s\n", SDL_GetError() ); + init_audio = 2; + } + else if ( got.size != 0 ) + { + SDL_PauseAudio( 0 ); + init_audio = 0; + } } - - // Loop until told not to - while( this->running ) + + if ( init_audio == 0 ) { - // Get a frame from the service (should never return anything other than 0) - if ( mlt_service_get_frame( service, &frame, 0 ) == 0 ) + mlt_properties properties = MLT_FRAME_PROPERTIES( frame ); + + bytes = samples * dest_channels * sizeof(*pcm); + pthread_mutex_lock( &self->audio_mutex ); + while ( self->running && bytes > ( sizeof( self->audio_buffer) - self->audio_avail ) ) + pthread_cond_wait( &self->audio_cond, &self->audio_mutex ); + if ( self->running ) { - mlt_image_format vfmt = mlt_image_yuv422; - int width = this->width, height = this->height; - uint8_t *image; - - mlt_audio_format afmt = mlt_audio_pcm; - int channels; - int samples; - int frequency; - int16_t *pcm; - int changed = 0; - - mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples ); - if ( init_audio == 1 ) + if ( mlt_properties_get_double( properties, "_speed" ) == 1 ) { - SDL_AudioSpec request; - - // specify audio format - request.freq = frequency; - request.format = AUDIO_S16; - request.channels = channels; - request.samples = 1024; - request.callback = sdl_fill_audio; - request.userdata = (void *)this; - if ( SDL_OpenAudio( &request, NULL ) < 0 ) + if ( channels == dest_channels ) { - fprintf( stderr, "SDL failed to open audio: %s\n", SDL_GetError() ); - break; + memcpy( &self->audio_buffer[ self->audio_avail ], pcm, bytes ); } - SDL_PauseAudio( 0 ); - init_audio = 0; - } - bytes = ( samples * channels * 2 ); - pthread_mutex_lock( &this->audio_mutex ); - while ( bytes > ( sizeof( this->audio_buffer) - this->audio_avail ) ) - pthread_cond_wait( &this->audio_cond, &this->audio_mutex ); - memcpy( &this->audio_buffer[ this->audio_avail ], pcm, bytes ); - this->audio_avail += bytes; - pthread_cond_broadcast( &this->audio_cond ); - pthread_mutex_unlock( &this->audio_mutex ); - - // Get the image, width and height - mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 ); - - if ( sdl_screen != NULL ) - { - SDL_Event event; - - changed = consumer_get_dimensions( &this->window_width, &this->window_height ); - - while ( SDL_PollEvent( &event ) ) + else { - switch( event.type ) + int16_t *dest = (int16_t*) &self->audio_buffer[ self->audio_avail ]; + int i = samples + 1; + + while ( --i ) { - case SDL_VIDEORESIZE: - this->window_width = event.resize.w; - this->window_height = event.resize.h; - changed = 1; - break; + memcpy( dest, pcm, dest_channels * sizeof(*pcm) ); + pcm += channels; + dest += dest_channels; } } } + else + { + memset( &self->audio_buffer[ self->audio_avail ], 0, bytes ); + } + self->audio_avail += bytes; + } + pthread_cond_broadcast( &self->audio_cond ); + pthread_mutex_unlock( &self->audio_mutex ); + } + else + { + self->playing = 1; + } + + return init_audio; +} - if ( sdl_screen == NULL || changed ) +static int consumer_play_video( consumer_sdl self, mlt_frame frame ) +{ + // Get the properties of this consumer + mlt_properties properties = self->properties; + + mlt_image_format vfmt = mlt_image_yuv422; + int width = self->width, height = self->height; + uint8_t *image; + int changed = 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 ( self->running && display_off == 0 ) + { + // Get the image, width and height + mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 ); + + void *pool = mlt_cocoa_autorelease_init(); + + // Handle events + if ( SDL_GetVideoSurface() ) + { + SDL_Event event; + + sdl_lock_display( ); + pthread_mutex_lock( &mlt_sdl_mutex ); + changed = consumer_get_dimensions( &self->window_width, &self->window_height ); + pthread_mutex_unlock( &mlt_sdl_mutex ); + sdl_unlock_display( ); + + while ( SDL_PollEvent( &event ) ) { - double aspect_ratio = mlt_frame_get_aspect_ratio( frame ); + mlt_events_fire( self->properties, "consumer-sdl-event", &event, NULL ); - if ( this->window_width == 0 || this->window_height == 0 ) + switch( event.type ) { - this->window_width = width; - this->window_height = height; + case SDL_VIDEORESIZE: + self->window_width = event.resize.w; + self->window_height = event.resize.h; + changed = 1; + break; + case SDL_QUIT: + self->running = 0; + 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; } + } + } + + sdl_lock_display(); - // open SDL window with video overlay, if possible - sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags ); + if ( width != self->width || height != self->height ) + { + if ( self->sdl_overlay != NULL ) + SDL_FreeYUVOverlay( self->sdl_overlay ); + self->sdl_overlay = NULL; + } - if ( sdl_screen != NULL ) - { - SDL_Rect rect; - if ( this->window_width < this->window_height * aspect_ratio ) - { - rect.w = this->window_width; - rect.h = this->window_width / aspect_ratio; - } - else - { - rect.w = this->window_height * aspect_ratio; - rect.h = this->window_height; - } + if ( self->running && ( !SDL_GetVideoSurface() || changed ) ) + { + // Force an overlay recreation + if ( self->sdl_overlay != NULL ) + SDL_FreeYUVOverlay( self->sdl_overlay ); + self->sdl_overlay = NULL; + + // open SDL window with video overlay, if possible + pthread_mutex_lock( &mlt_sdl_mutex ); + SDL_Surface *screen = SDL_SetVideoMode( self->window_width, self->window_height, self->bpp, self->sdl_flags ); + if ( consumer_get_dimensions( &self->window_width, &self->window_height ) ) + screen = SDL_SetVideoMode( self->window_width, self->window_height, self->bpp, self->sdl_flags ); + pthread_mutex_unlock( &mlt_sdl_mutex ); + + if ( screen ) + { + uint32_t color = mlt_properties_get_int( self->properties, "window_background" ); + SDL_FillRect( screen, NULL, color >> 8 ); + SDL_Flip( screen ); + } + } - rect.x = ( this->window_width - rect.w ) / 2; - rect.y = ( this->window_height - rect.h ) / 2; + if ( self->running ) + { + // Determine window's new display aspect ratio + double this_aspect = ( double )self->window_width / self->window_height; - SDL_SetClipRect( sdl_screen, &rect ); - - // Force an overlay recreation - if ( sdl_overlay != NULL ) - SDL_FreeYUVOverlay( sdl_overlay ); - sdl_lock_display(); - sdl_overlay = SDL_CreateYUVOverlay( this->width, this->height, SDL_YUY2_OVERLAY, sdl_screen ); - sdl_unlock_display(); - } - } - - if ( sdl_screen != NULL && sdl_overlay != NULL ) + // 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 + self->width = width; + self->height = height; + + // If using hardware scaler + if ( mlt_properties_get( properties, "rescale" ) != NULL && + !strcmp( mlt_properties_get( properties, "rescale" ), "none" ) ) { - buffer = sdl_overlay->pixels[ 0 ]; - if ( sdl_lock_display() ) + // Use hardware scaler to normalise display aspect ratio + self->rect.w = frame_aspect / this_aspect * self->window_width; + self->rect.h = self->window_height; + if ( self->rect.w > self->window_width ) { - if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 ) - { - mlt_resize_yuv422( buffer, this->width, this->height, image, width, height ); - SDL_UnlockYUVOverlay( sdl_overlay ); - SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect ); - } - sdl_unlock_display(); + self->rect.w = self->window_width; + self->rect.h = this_aspect / frame_aspect * self->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)( display_ratio * 1000 ) ) + { + self->rect.w = self->window_width; + self->rect.h = self->window_height; + } + // Use hardware scaler to normalise sample aspect ratio + else if ( self->window_height * display_ratio > self->window_width ) + { + self->rect.w = self->window_width; + self->rect.h = self->window_width / display_ratio; + } else { - // TODO: allocate buffer? + self->rect.w = self->window_height * display_ratio; + self->rect.h = self->window_height; } + + self->rect.x = ( self->window_width - self->rect.w ) / 2; + self->rect.y = ( self->window_height - self->rect.h ) / 2; + self->rect.x -= self->rect.x % 2; - // Close the frame - mlt_frame_close( frame ); + mlt_properties_set_int( self->properties, "rect_x", self->rect.x ); + mlt_properties_set_int( self->properties, "rect_y", self->rect.y ); + mlt_properties_set_int( self->properties, "rect_w", self->rect.w ); + mlt_properties_set_int( self->properties, "rect_h", self->rect.h ); + + SDL_SetClipRect( SDL_GetVideoSurface(), &self->rect ); + } + + if ( self->running && SDL_GetVideoSurface() && self->sdl_overlay == NULL ) + { + SDL_SetClipRect( SDL_GetVideoSurface(), &self->rect ); + self->sdl_overlay = SDL_CreateYUVOverlay( width, height, SDL_YUY2_OVERLAY, SDL_GetVideoSurface() ); + } + + if ( self->running && SDL_GetVideoSurface() && self->sdl_overlay != NULL ) + { + self->buffer = self->sdl_overlay->pixels[ 0 ]; + if ( SDL_LockYUVOverlay( self->sdl_overlay ) >= 0 ) + { + if ( image != NULL ) + memcpy( self->buffer, image, width * height * 2 ); + SDL_UnlockYUVOverlay( self->sdl_overlay ); + SDL_DisplayYUVOverlay( self->sdl_overlay, &SDL_GetVideoSurface()->clip_rect ); + } + } + + sdl_unlock_display(); + mlt_cocoa_autorelease_close( pool ); + mlt_events_fire( properties, "consumer-frame-show", frame, NULL ); + } + else if ( self->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_events_fire( properties, "consumer-frame-show", frame, NULL ); + } + + return 0; +} + +static void *video_thread( void *arg ) +{ + // Identify the arg + consumer_sdl self = arg; + + // Obtain time of thread start + struct timeval now; + int64_t start = 0; + int64_t elapsed = 0; + struct timespec tm; + mlt_frame next = NULL; + mlt_properties properties = NULL; + double speed = 0; + + // Get real time flag + int real_time = mlt_properties_get_int( self->properties, "real_time" ); + + // Get the current time + gettimeofday( &now, NULL ); + + // Determine start time + start = ( int64_t )now.tv_sec * 1000000 + now.tv_usec; + + while ( self->running ) + { + // Pop the next frame + pthread_mutex_lock( &self->video_mutex ); + next = mlt_deque_pop_front( self->queue ); + while ( next == NULL && self->running ) + { + pthread_cond_wait( &self->video_cond, &self->video_mutex ); + next = mlt_deque_pop_front( self->queue ); + } + pthread_mutex_unlock( &self->video_mutex ); + + if ( !self->running || next == NULL ) break; + + // Get the properties + properties = MLT_FRAME_PROPERTIES( next ); + + // Get the speed of the frame + speed = mlt_properties_get_double( properties, "_speed" ); + + // Get the current time + gettimeofday( &now, NULL ); + + // Get the elapsed time + elapsed = ( ( int64_t )now.tv_sec * 1000000 + now.tv_usec ) - start; + + // See if we have to delay the display of the current frame + if ( mlt_properties_get_int( properties, "rendered" ) == 1 && self->running ) + { + // Obtain the scheduled playout time + int64_t scheduled = mlt_properties_get_int( properties, "playtime" ); + + // Determine the difference between the elapsed time and the scheduled playout time + int64_t difference = scheduled - elapsed; + + // Smooth playback a bit + if ( real_time && ( difference > 20000 && speed == 1.0 ) ) + { + tm.tv_sec = difference / 1000000; + tm.tv_nsec = ( difference % 1000000 ) * 500; + nanosleep( &tm, NULL ); + } + + // Show current frame if not too old + if ( !real_time || ( difference > -10000 || speed != 1.0 || mlt_deque_count( self->queue ) < 2 ) ) + consumer_play_video( self, next ); + + // If the queue is empty, recalculate start to allow build up again + if ( real_time && ( mlt_deque_count( self->queue ) == 0 && speed == 1.0 ) ) + { + gettimeofday( &now, NULL ); + start = ( ( int64_t )now.tv_sec * 1000000 + now.tv_usec ) - scheduled + 20000; + } } else { - break; + static int dropped = 0; + mlt_log_info( MLT_CONSUMER_SERVICE(&self->parent), "dropped video frame %d\n", ++dropped ); } - } // while - // internal cleanup - if ( init_audio == 0 ) - SDL_AudioQuit( ); - if ( sdl_overlay != NULL ) - SDL_FreeYUVOverlay( sdl_overlay ); - SDL_Quit( ); + // This frame can now be closed + mlt_frame_close( next ); + next = NULL; + } + + if ( next != NULL ) + mlt_frame_close( next ); + + mlt_consumer_stopped( &self->parent ); + + return NULL; +} + +/** Threaded wrapper for pipe. +*/ + +static void *consumer_thread( void *arg ) +{ + // Identify the arg + consumer_sdl self = arg; + + // Get the consumer + mlt_consumer consumer = &self->parent; + + // Convenience functionality + int terminate_on_pause = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "terminate_on_pause" ); + int terminated = 0; + + // Video thread + pthread_t thread; + + // internal intialization + int init_audio = 1; + int init_video = 1; + mlt_frame frame = NULL; + int duration = 0; + int64_t playtime = 0; + struct timespec tm = { 0, 100000 }; + + // Loop until told not to + while( self->running ) + { + // Get a frame from the attached producer + frame = !terminated? mlt_consumer_rt_frame( consumer ) : NULL; + + // Check for termination + if ( terminate_on_pause && frame ) + terminated = mlt_properties_get_double( MLT_FRAME_PROPERTIES( frame ), "_speed" ) == 0.0; + + // Ensure that we have a frame + if ( frame ) + { + // Play audio + init_audio = consumer_play_audio( self, frame, init_audio, &duration ); + + // Determine the start time now + if ( self->playing && init_video ) + { + // Create the video thread + pthread_create( &thread, NULL, video_thread, self ); + + // Video doesn't need to be initialised any more + init_video = 0; + } + + // Set playtime for this frame + mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "playtime", playtime ); + + while ( self->running && mlt_deque_count( self->queue ) > 15 ) + nanosleep( &tm, NULL ); + + // Push this frame to the back of the queue + pthread_mutex_lock( &self->video_mutex ); + if ( self->is_purge ) + { + mlt_frame_close( frame ); + frame = NULL; + self->is_purge = 0; + } + else + { + mlt_deque_push_back( self->queue, frame ); + pthread_cond_broadcast( &self->video_cond ); + } + pthread_mutex_unlock( &self->video_mutex ); + + // Calculate the next playtime + playtime += ( duration * 1000 ); + } + else if ( terminated ) + { + if ( init_video || mlt_deque_count( self->queue ) == 0 ) + break; + else + nanosleep( &tm, NULL ); + } + } + + self->running = 0; + + // Unblock sdl_preview + if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "put_mode" ) == 1 ) + { + frame = mlt_consumer_get_frame( consumer ); + if ( frame ) + mlt_frame_close( frame ); + frame = NULL; + } + + // Kill the video thread + if ( init_video == 0 ) + { + pthread_mutex_lock( &self->video_mutex ); + pthread_cond_broadcast( &self->video_cond ); + pthread_mutex_unlock( &self->video_mutex ); + pthread_join( thread, NULL ); + } + + while( mlt_deque_count( self->queue ) ) + mlt_frame_close( mlt_deque_pop_back( self->queue ) ); + + self->audio_avail = 0; return NULL; } @@ -362,9 +902,14 @@ static int consumer_get_dimensions( int *width, int *height ) // 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 ) { +#ifndef WIN32 // Check that we have the X11 wm if ( wm.subsystem == SDL_SYSWM_X11 ) { @@ -385,7 +930,12 @@ static int consumer_get_dimensions( int *width, int *height ) *width = attr.width; *height = attr.height; } +#endif } +#endif + + // Unlock the display + //sdl_unlock_display(); return changed; } @@ -396,24 +946,21 @@ static int consumer_get_dimensions( int *width, int *height ) static void consumer_close( mlt_consumer parent ) { // Get the actual object - consumer_sdl this = parent->child; - - // Kill the thread and clean up - this->running = 0; + consumer_sdl self = parent->child; - pthread_mutex_lock( &this->audio_mutex ); - pthread_cond_broadcast( &this->audio_cond ); - pthread_mutex_unlock( &this->audio_mutex ); + // Stop the consumer + ///mlt_consumer_stop( parent ); - pthread_join( this->thread, NULL ); - pthread_mutex_destroy( &this->audio_mutex ); - pthread_cond_destroy( &this->audio_cond ); - - // Now clean up the rest (the close = NULL is a bit nasty but needed for now) - parent->close = NULL; + // Now clean up the rest mlt_consumer_close( parent ); + // Close the queue + mlt_deque_close( self->queue ); + + // Destroy mutexes + pthread_mutex_destroy( &self->audio_mutex ); + pthread_cond_destroy( &self->audio_cond ); + // Finally clean up this - free( this ); + free( self ); } -