int istride = iwidth * 2;
int ostride = owidth * 2;
+ iwidth = iwidth - ( iwidth % 4 );
+ owidth = owidth - ( owidth % 4 );
+ iheight = iheight - ( iheight % 2 );
+ oheight = oheight - ( oheight % 2 );
+
// Coordinates (0,0 is middle of output)
int y;
// Output pointers
uint8_t *out_line = output;
- uint8_t *out_ptr;
+ uint8_t *out_ptr = out_line;
// Calculate a middle and possibly invalid pointer in the input
uint8_t *in_middle = input + istride * ( iheight / 2 ) + ( iwidth / 2 ) * 2;
out_ptr = memfill( out_ptr, black, 2, out_x_range - in_x_range );
// We're in the input range for this row.
- memcpy( out_ptr, in_middle + in_line, 4 * in_x_range );
- out_ptr += 4 * in_x_range;
+ memcpy( out_ptr, in_middle + in_line, 2 * iwidth );
+ out_ptr += 2 * iwidth;
// Fill the outer part with black
out_ptr = memfill( out_ptr, black, 2, out_x_range - in_x_range );
int istride = iwidth * 2;
int ostride = owidth * 2;
+ iwidth = iwidth - ( iwidth % 4 );
+
// Coordinates (0,0 is middle of output)
int y, x;
// Get the frame from the producer
mlt_service_get_frame( mlt_producer_service( producer ), frame, 0 );
+
+ // Indicate speed of this producer
+ mlt_properties producer_properties = mlt_producer_properties( parent );
+ double speed = mlt_properties_get_double( producer_properties, "speed" );
+ mlt_properties properties = mlt_frame_properties( *frame );
+ mlt_properties_set_double( properties, "speed", speed );
}
else
{
mlt_producer_seek( producer, 0 );
break;
case '1':
- mlt_producer_set_speed( producer, -5 );
+ mlt_producer_set_speed( producer, -10 );
break;
case '2':
mlt_producer_set_speed( producer, -2.5 );
mlt_producer_set_speed( producer, 2.5 );
break;
case '9':
- mlt_producer_set_speed( producer, 5 );
+ mlt_producer_set_speed( producer, 10 );
break;
}
}
static void producer_ffmpeg_position( producer_ffmpeg this, uint64_t requested, int *skip )
{
+ *skip = 0;
+
if ( this->open && requested > this->expected )
{
// Skip the following n frames
// Read it
while( skip -- )
{
- fread( this->buffer, width * height * 3 / 2, 1, video );
- read_ffmpeg_header( this, &width, &height );
+ if ( fread( this->buffer, width * height * 3 / 2, 1, video ) == 1 )
+ read_ffmpeg_header( this, &width, &height );
+ else
+ skip = 0;
}
fread( this->buffer, width * height * 3 / 2, 1, video );
mlt_properties_set_double( properties, "speed", speed );
// Set the out point on the producer
- mlt_producer_set_in_and_out( &this->parent, mlt_producer_get_in( &this->parent ), mlt_producer_position( &this->parent ) + 0.1 );
+ mlt_producer_set_in_and_out( &this->parent, mlt_producer_get_in( &this->parent ), mlt_producer_position( &this->parent ) + 1 );
// Update timecode on the frame we're creating
mlt_frame_set_timecode( *frame, mlt_producer_position( producer ) );
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
+#include <dirent.h>
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int index );
static void producer_close( mlt_producer parent );
SIGNAL_FORMAT_NTSC
} mlt_signal_format;
+static int filter_files( const struct dirent *de )
+{
+ if ( de->d_name[ 0 ] != '.' )
+ return 1;
+ else
+ return 0;
+}
+
+
mlt_producer producer_pixbuf_init( const char *filename )
{
producer_pixbuf this = calloc( sizeof( struct producer_pixbuf_s ), 1 );
}
}
}
+ else if ( strstr( filename, "/.all." ) != NULL )
+ {
+ char *dir_name = strdup( filename );
+ char *extension = strrchr( filename, '.' );
+ *( strstr( dir_name, "/.all." ) + 1 ) = '\0';
+ char fullname[ 1024 ];
+ strcpy( fullname, dir_name );
+ struct dirent **de = NULL;
+ int n = scandir( fullname, &de, filter_files, alphasort );
+ int i;
+ struct stat info;
+
+ for (i = 0; i < n; i++ )
+ {
+ snprintf( fullname, 1023, "%s%s", dir_name, de[i]->d_name );
+
+ if ( lstat( fullname, &info ) == 0 &&
+ ( S_ISREG( info.st_mode ) || ( strstr( fullname, extension ) && info.st_mode | S_IXUSR ) ) )
+ {
+ this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
+ this->filenames[ this->count ++ ] = strdup( fullname );
+ }
+ free( de[ i ] );
+ }
+
+ free( de );
+ free( dir_name );
+ }
else
{
this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
*height = mlt_properties_get_int( properties, "height" );
// Clone if necessary
- if ( writable )
+ // NB: Cloning is necessary with this producer (due to processing of images ahead of use)
+ // The fault is not in the design of mlt, but in the implementation of pixbuf...
+ //if ( writable )
{
+ size = *width * *height * 2;
+
// Clone our image
uint8_t *copy = malloc( size );
memcpy( copy, image, size );
// Stack the get image callback
mlt_frame_push_get_image( *frame, producer_get_image );
-
}
else
{
// Store width and height
this->width = gdk_pixbuf_get_width( pixbuf );
this->height = gdk_pixbuf_get_height( pixbuf );
+ this->width -= this->width % 4;
+ this->height -= this->height % 2;
// Allocate/define image and alpha
uint8_t *image = malloc( this->width * this->height * 2 );
int video;
pthread_t thread;
int running;
- uint8_t audio_buffer[ 4096 * 6 ];
+ uint8_t audio_buffer[ 4096 * 3 ];
int audio_avail;
pthread_mutex_t audio_mutex;
pthread_cond_t audio_cond;
int window_width;
int window_height;
+ float aspect_ratio;
int width;
int height;
int playing;
// process actual param
if ( arg == NULL || !strcmp( arg, "PAL" ) )
{
- this->window_width = 720;
- this->window_height = 576;
+ this->width = 720;
+ this->height = 576;
}
else if ( !strcmp( arg, "NTSC" ) )
{
- this->window_width = 720;
- this->window_height = 480;
+ this->width = 720;
+ this->height = 480;
}
- else if ( sscanf( arg, "%dx%d", &this->window_width, &this->window_height ) != 2 )
+ else if ( sscanf( arg, "%dx%d", &this->width, &this->height ) != 2 )
{
- this->window_width = 720;
- this->window_height = 576;
+ this->width = 720;
+ this->height = 576;
}
+ // Default window size and aspect ratio
+ this->aspect_ratio = 4.0 / 3.0;
+ this->window_width = (int)( (float)this->height * this->aspect_ratio ) + 1;
+ this->window_height = this->height;
+
// Create the the thread
pthread_create( &this->thread, NULL, consumer_thread, this );
pthread_mutex_unlock( &this->audio_mutex );
}
+static int consumer_play_audio( consumer_sdl this, mlt_frame frame, int init_audio )
+{
+ mlt_audio_format afmt = mlt_audio_pcm;
+ int channels;
+ int samples;
+ int frequency;
+ int16_t *pcm;
+ int bytes;
+
+ mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples );
+
+ if ( init_audio == 1 )
+ {
+ SDL_AudioSpec request;
+ SDL_AudioSpec got;
+
+ // specify audio format
+ memset( &request, 0, sizeof( SDL_AudioSpec ) );
+ this->playing = 0;
+ 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, &got ) != 0 )
+ {
+ fprintf( stderr, "SDL failed to open audio: %s\n", SDL_GetError() );
+ init_audio = 2;
+ }
+ else
+ {
+ if ( got.size != 0 )
+ {
+ SDL_PauseAudio( 0 );
+ init_audio = 0;
+ }
+ }
+ }
+
+ if ( 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 );
+ mlt_properties properties = mlt_frame_properties( frame );
+ 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 );
+ }
+ else
+ {
+ this->playing = 1;
+ }
+
+ return init_audio;
+}
+
/** Threaded wrapper for pipe.
*/
SDL_Overlay *sdl_overlay = NULL;
uint8_t *buffer = NULL;
int init_audio = 1;
- int bytes;
if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE ) < 0 )
{
// Get a frame from the service (should never return anything other than 0)
if ( mlt_service_get_frame( service, &frame, 0 ) == 0 )
{
+ init_audio = consumer_play_audio( this, frame, init_audio );
+
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 )
- {
- SDL_AudioSpec request;
-
- // specify audio format
- request.freq = frequency;
- request.format = AUDIO_S16;
- request.channels = channels;
- request.samples = 2048;
- request.callback = sdl_fill_audio;
- request.userdata = (void *)this;
- if ( SDL_OpenAudio( &request, NULL ) < 0 )
- {
- fprintf( stderr, "SDL failed to open audio: %s\n", SDL_GetError() );
- break;
- }
- 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 );
-
if ( this->count == this->size )
{
this->size += 25;
if ( sdl_screen == NULL || changed )
{
double aspect_ratio = mlt_frame_get_aspect_ratio( frame );
-
+
if ( mlt_properties_get_double( properties, "aspect_ratio" ) )
aspect_ratio = mlt_properties_get_double( properties, "aspect_ratio" );
+ int full_width = height * aspect_ratio + 1;
+ int full_height = height;
+ float scale_width = (float)full_width / (float)this->window_width;
+ float scale_height = (float)full_height / (float)this->window_height;
+ float display_aspect_ratio = (float)this->window_width / (float)this->window_height;
+
+ SDL_Rect rect;
+
+ if ( aspect_ratio == 1 )
+ {
+ rect.w = this->window_width;
+ rect.h = this->window_height;
+ }
+ else 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;
+ }
+
+ rect.x = ( this->window_width - rect.w ) / 2;
+ rect.y = ( this->window_height - rect.h ) / 2;
+
+ // Force an overlay recreation
+ if ( sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( sdl_overlay );
+
// open SDL window with video overlay, if possible
sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags );
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;
- }
-
- rect.x = ( this->window_width - rect.w ) / 2;
- rect.y = ( this->window_height - rect.h ) / 2;
-
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_overlay = SDL_CreateYUVOverlay( this->width - (this->width % 4), this->height- (this->height % 2 ), SDL_YUY2_OVERLAY, sdl_screen );
sdl_unlock_display();
}
}
if ( sdl_screen != NULL && sdl_overlay != NULL )
{
buffer = sdl_overlay->pixels[ 0 ];
- if ( sdl_lock_display() )
+ if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 )
{
- 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();
+ mlt_resize_yuv422( buffer, this->width - (this->width % 4 ), this->height- (this->height % 2 ), image, width, height );
+ SDL_UnlockYUVOverlay( sdl_overlay );
+ SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect );
}
}
}
int istride = iwidth * 2;
int ostride = owidth * 2;
+ iwidth = iwidth - ( iwidth % 4 );
+ owidth = owidth - ( owidth % 4 );
+ iheight = iheight - ( iheight % 2 );
+ oheight = oheight - ( oheight % 2 );
+
// Coordinates (0,0 is middle of output)
int y;
// Output pointers
uint8_t *out_line = output;
- uint8_t *out_ptr;
+ uint8_t *out_ptr = out_line;
// Calculate a middle and possibly invalid pointer in the input
uint8_t *in_middle = input + istride * ( iheight / 2 ) + ( iwidth / 2 ) * 2;
out_ptr = memfill( out_ptr, black, 2, out_x_range - in_x_range );
// We're in the input range for this row.
- memcpy( out_ptr, in_middle + in_line, 4 * in_x_range );
- out_ptr += 4 * in_x_range;
+ memcpy( out_ptr, in_middle + in_line, 2 * iwidth );
+ out_ptr += 2 * iwidth;
// Fill the outer part with black
out_ptr = memfill( out_ptr, black, 2, out_x_range - in_x_range );
int istride = iwidth * 2;
int ostride = owidth * 2;
+ iwidth = iwidth - ( iwidth % 4 );
+
// Coordinates (0,0 is middle of output)
int y, x;
// Get the frame from the producer
mlt_service_get_frame( mlt_producer_service( producer ), frame, 0 );
+
+ // Indicate speed of this producer
+ mlt_properties producer_properties = mlt_producer_properties( parent );
+ double speed = mlt_properties_get_double( producer_properties, "speed" );
+ mlt_properties properties = mlt_frame_properties( *frame );
+ mlt_properties_set_double( properties, "speed", speed );
}
else
{
mlt_producer_seek( producer, 0 );
break;
case '1':
- mlt_producer_set_speed( producer, -5 );
+ mlt_producer_set_speed( producer, -10 );
break;
case '2':
mlt_producer_set_speed( producer, -2.5 );
mlt_producer_set_speed( producer, 2.5 );
break;
case '9':
- mlt_producer_set_speed( producer, 5 );
+ mlt_producer_set_speed( producer, 10 );
break;
}
}
static void producer_ffmpeg_position( producer_ffmpeg this, uint64_t requested, int *skip )
{
+ *skip = 0;
+
if ( this->open && requested > this->expected )
{
// Skip the following n frames
// Read it
while( skip -- )
{
- fread( this->buffer, width * height * 3 / 2, 1, video );
- read_ffmpeg_header( this, &width, &height );
+ if ( fread( this->buffer, width * height * 3 / 2, 1, video ) == 1 )
+ read_ffmpeg_header( this, &width, &height );
+ else
+ skip = 0;
}
fread( this->buffer, width * height * 3 / 2, 1, video );
mlt_properties_set_double( properties, "speed", speed );
// Set the out point on the producer
- mlt_producer_set_in_and_out( &this->parent, mlt_producer_get_in( &this->parent ), mlt_producer_position( &this->parent ) + 0.1 );
+ mlt_producer_set_in_and_out( &this->parent, mlt_producer_get_in( &this->parent ), mlt_producer_position( &this->parent ) + 1 );
// Update timecode on the frame we're creating
mlt_frame_set_timecode( *frame, mlt_producer_position( producer ) );
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
+#include <dirent.h>
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int index );
static void producer_close( mlt_producer parent );
SIGNAL_FORMAT_NTSC
} mlt_signal_format;
+static int filter_files( const struct dirent *de )
+{
+ if ( de->d_name[ 0 ] != '.' )
+ return 1;
+ else
+ return 0;
+}
+
+
mlt_producer producer_pixbuf_init( const char *filename )
{
producer_pixbuf this = calloc( sizeof( struct producer_pixbuf_s ), 1 );
}
}
}
+ else if ( strstr( filename, "/.all." ) != NULL )
+ {
+ char *dir_name = strdup( filename );
+ char *extension = strrchr( filename, '.' );
+ *( strstr( dir_name, "/.all." ) + 1 ) = '\0';
+ char fullname[ 1024 ];
+ strcpy( fullname, dir_name );
+ struct dirent **de = NULL;
+ int n = scandir( fullname, &de, filter_files, alphasort );
+ int i;
+ struct stat info;
+
+ for (i = 0; i < n; i++ )
+ {
+ snprintf( fullname, 1023, "%s%s", dir_name, de[i]->d_name );
+
+ if ( lstat( fullname, &info ) == 0 &&
+ ( S_ISREG( info.st_mode ) || ( strstr( fullname, extension ) && info.st_mode | S_IXUSR ) ) )
+ {
+ this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
+ this->filenames[ this->count ++ ] = strdup( fullname );
+ }
+ free( de[ i ] );
+ }
+
+ free( de );
+ free( dir_name );
+ }
else
{
this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
*height = mlt_properties_get_int( properties, "height" );
// Clone if necessary
- if ( writable )
+ // NB: Cloning is necessary with this producer (due to processing of images ahead of use)
+ // The fault is not in the design of mlt, but in the implementation of pixbuf...
+ //if ( writable )
{
+ size = *width * *height * 2;
+
// Clone our image
uint8_t *copy = malloc( size );
memcpy( copy, image, size );
// Stack the get image callback
mlt_frame_push_get_image( *frame, producer_get_image );
-
}
else
{
// Store width and height
this->width = gdk_pixbuf_get_width( pixbuf );
this->height = gdk_pixbuf_get_height( pixbuf );
+ this->width -= this->width % 4;
+ this->height -= this->height % 2;
// Allocate/define image and alpha
uint8_t *image = malloc( this->width * this->height * 2 );
int video;
pthread_t thread;
int running;
- uint8_t audio_buffer[ 4096 * 6 ];
+ uint8_t audio_buffer[ 4096 * 3 ];
int audio_avail;
pthread_mutex_t audio_mutex;
pthread_cond_t audio_cond;
int window_width;
int window_height;
+ float aspect_ratio;
int width;
int height;
int playing;
// process actual param
if ( arg == NULL || !strcmp( arg, "PAL" ) )
{
- this->window_width = 720;
- this->window_height = 576;
+ this->width = 720;
+ this->height = 576;
}
else if ( !strcmp( arg, "NTSC" ) )
{
- this->window_width = 720;
- this->window_height = 480;
+ this->width = 720;
+ this->height = 480;
}
- else if ( sscanf( arg, "%dx%d", &this->window_width, &this->window_height ) != 2 )
+ else if ( sscanf( arg, "%dx%d", &this->width, &this->height ) != 2 )
{
- this->window_width = 720;
- this->window_height = 576;
+ this->width = 720;
+ this->height = 576;
}
+ // Default window size and aspect ratio
+ this->aspect_ratio = 4.0 / 3.0;
+ this->window_width = (int)( (float)this->height * this->aspect_ratio ) + 1;
+ this->window_height = this->height;
+
// Create the the thread
pthread_create( &this->thread, NULL, consumer_thread, this );
pthread_mutex_unlock( &this->audio_mutex );
}
+static int consumer_play_audio( consumer_sdl this, mlt_frame frame, int init_audio )
+{
+ mlt_audio_format afmt = mlt_audio_pcm;
+ int channels;
+ int samples;
+ int frequency;
+ int16_t *pcm;
+ int bytes;
+
+ mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples );
+
+ if ( init_audio == 1 )
+ {
+ SDL_AudioSpec request;
+ SDL_AudioSpec got;
+
+ // specify audio format
+ memset( &request, 0, sizeof( SDL_AudioSpec ) );
+ this->playing = 0;
+ 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, &got ) != 0 )
+ {
+ fprintf( stderr, "SDL failed to open audio: %s\n", SDL_GetError() );
+ init_audio = 2;
+ }
+ else
+ {
+ if ( got.size != 0 )
+ {
+ SDL_PauseAudio( 0 );
+ init_audio = 0;
+ }
+ }
+ }
+
+ if ( 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 );
+ mlt_properties properties = mlt_frame_properties( frame );
+ 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 );
+ }
+ else
+ {
+ this->playing = 1;
+ }
+
+ return init_audio;
+}
+
/** Threaded wrapper for pipe.
*/
SDL_Overlay *sdl_overlay = NULL;
uint8_t *buffer = NULL;
int init_audio = 1;
- int bytes;
if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE ) < 0 )
{
// Get a frame from the service (should never return anything other than 0)
if ( mlt_service_get_frame( service, &frame, 0 ) == 0 )
{
+ init_audio = consumer_play_audio( this, frame, init_audio );
+
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 )
- {
- SDL_AudioSpec request;
-
- // specify audio format
- request.freq = frequency;
- request.format = AUDIO_S16;
- request.channels = channels;
- request.samples = 2048;
- request.callback = sdl_fill_audio;
- request.userdata = (void *)this;
- if ( SDL_OpenAudio( &request, NULL ) < 0 )
- {
- fprintf( stderr, "SDL failed to open audio: %s\n", SDL_GetError() );
- break;
- }
- 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 );
-
if ( this->count == this->size )
{
this->size += 25;
if ( sdl_screen == NULL || changed )
{
double aspect_ratio = mlt_frame_get_aspect_ratio( frame );
-
+
if ( mlt_properties_get_double( properties, "aspect_ratio" ) )
aspect_ratio = mlt_properties_get_double( properties, "aspect_ratio" );
+ int full_width = height * aspect_ratio + 1;
+ int full_height = height;
+ float scale_width = (float)full_width / (float)this->window_width;
+ float scale_height = (float)full_height / (float)this->window_height;
+ float display_aspect_ratio = (float)this->window_width / (float)this->window_height;
+
+ SDL_Rect rect;
+
+ if ( aspect_ratio == 1 )
+ {
+ rect.w = this->window_width;
+ rect.h = this->window_height;
+ }
+ else 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;
+ }
+
+ rect.x = ( this->window_width - rect.w ) / 2;
+ rect.y = ( this->window_height - rect.h ) / 2;
+
+ // Force an overlay recreation
+ if ( sdl_overlay != NULL )
+ SDL_FreeYUVOverlay( sdl_overlay );
+
// open SDL window with video overlay, if possible
sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, sdl_flags );
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;
- }
-
- rect.x = ( this->window_width - rect.w ) / 2;
- rect.y = ( this->window_height - rect.h ) / 2;
-
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_overlay = SDL_CreateYUVOverlay( this->width - (this->width % 4), this->height- (this->height % 2 ), SDL_YUY2_OVERLAY, sdl_screen );
sdl_unlock_display();
}
}
if ( sdl_screen != NULL && sdl_overlay != NULL )
{
buffer = sdl_overlay->pixels[ 0 ];
- if ( sdl_lock_display() )
+ if ( SDL_LockYUVOverlay( sdl_overlay ) >= 0 )
{
- 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();
+ mlt_resize_yuv422( buffer, this->width - (this->width % 4 ), this->height- (this->height % 2 ), image, width, height );
+ SDL_UnlockYUVOverlay( sdl_overlay );
+ SDL_DisplayYUVOverlay( sdl_overlay, &sdl_screen->clip_rect );
}
}
}