* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates
*
- * 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 <framework/mlt_consumer.h>
#include <framework/mlt_frame.h>
#include <framework/mlt_deque.h>
#include <framework/mlt_factory.h>
via the argument, but keep it simple.
*/
-mlt_consumer consumer_sdl_still_init( char *arg )
+mlt_consumer consumer_sdl_still_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 );
// If no malloc'd and consumer init ok
- if ( this != NULL && mlt_consumer_init( &this->parent, this ) == 0 )
+ if ( this != NULL && mlt_consumer_init( &this->parent, this, profile ) == 0 )
{
// Get the parent consumer object
mlt_consumer parent = &this->parent;
mlt_service service = MLT_CONSUMER_SERVICE( parent );
this->properties = MLT_SERVICE_PROPERTIES( service );
- // Get the default display ratio
- double display_ratio = mlt_properties_get_double( this->properties, "display_ratio" );
-
// We have stuff to clean up, so override the close method
parent->close = consumer_close;
this->width = mlt_properties_get_int( this->properties, "width" );
this->height = mlt_properties_get_int( this->properties, "height" );
}
-
- // Default window size
- this->window_width = ( double )this->height * display_ratio;
- this->window_height = this->height;
+ else
+ {
+ mlt_properties_set_int( this->properties, "width", this->width );
+ mlt_properties_set_int( this->properties, "height", this->height );
+ }
// Set the sdl flags
- //this->sdl_flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL | SDL_RESIZABLE | SDL_DOUBLEBUF;
- // Experimental settings
- this->sdl_flags = SDL_RESIZABLE | SDL_DOUBLEBUF;
+ this->sdl_flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL | SDL_RESIZABLE | SDL_DOUBLEBUF;
// Allow thread to be started/stopped
parent->start = consumer_start;
if ( !this->running )
{
+ int preview_off = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "preview_off" );
+ int sdl_started = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "sdl_started" );
+
// Attach a colour space converter
if ( !this->filtered )
{
- mlt_filter filter = mlt_factory_filter( "avcolour_space", NULL );
+ mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( parent ) );
+ mlt_filter filter = mlt_factory_filter( profile, "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->joined = 0;
// Allow the user to force resizing to window size
- if ( mlt_properties_get_int( this->properties, "resize" ) )
+ this->width = mlt_properties_get_int( this->properties, "width" );
+ this->height = mlt_properties_get_int( this->properties, "height" );
+
+ // Default window size
+ double display_ratio = mlt_properties_get_double( this->properties, "display_ratio" );
+ this->window_width = ( double )this->height * display_ratio;
+ this->window_height = this->height;
+
+ if ( sdl_started == 0 && preview_off == 0 )
{
- mlt_properties_set_int( this->properties, "width", this->width );
- mlt_properties_set_int( this->properties, "height", this->height );
+ 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 ( preview_off == 0 )
+ {
+ if ( SDL_GetVideoSurface( ) != NULL )
+ {
+ this->sdl_screen = SDL_GetVideoSurface( );
+ }
}
+ if ( this->sdl_screen == NULL && preview_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 );
}
if ( this->joined == 0 )
{
+ int preview_off = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "preview_off" );
+ int sdl_started = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( parent ), "sdl_started" );
+
// Kill the thread and clean up
this->running = 0;
pthread_join( this->thread, NULL );
this->joined = 1;
+
+ if ( sdl_started == 0 && preview_off == 0 )
+ SDL_Quit( );
+
+ this->sdl_screen = NULL;
}
return 0;
static inline void display_1( SDL_Surface *screen, SDL_Rect rect, uint8_t *image, int width, int height )
{
// Generate the affine transform scaling values
+ if ( rect.w == 0 || rect.h == 0 ) return;
int scale_width = ( width << 16 ) / rect.w;
int scale_height = ( height << 16 ) / rect.h;
int stride = width * 3;
for ( y = 0; y < rect.h; y ++ )
{
p = start;
- row_index = ( scale_height * y ) >> 16;
+ row_index = ( 32768 + scale_height * y ) >> 16;
row = image + stride * row_index;
for ( x = 0; x < rect.w; x ++ )
{
- q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+ q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
*p ++ = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
}
start += scanlength;
static inline void display_2( SDL_Surface *screen, SDL_Rect rect, uint8_t *image, int width, int height )
{
// Generate the affine transform scaling values
+ if ( rect.w == 0 || rect.h == 0 ) return;
int scale_width = ( width << 16 ) / rect.w;
int scale_height = ( height << 16 ) / rect.h;
int stride = width * 3;
for ( y = 0; y < rect.h; y ++ )
{
p = start;
- row_index = ( scale_height * y ) >> 16;
+ row_index = ( 32768 + scale_height * y ) >> 16;
row = image + stride * row_index;
for ( x = 0; x < rect.w; x ++ )
{
- q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+ q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
*p ++ = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
}
start += scanlength;
static inline void display_3( SDL_Surface *screen, SDL_Rect rect, uint8_t *image, int width, int height )
{
// Generate the affine transform scaling values
+ if ( rect.w == 0 || rect.h == 0 ) return;
int scale_width = ( width << 16 ) / rect.w;
int scale_height = ( height << 16 ) / rect.h;
int stride = width * 3;
for ( y = 0; y < rect.h; y ++ )
{
p = start;
- row_index = ( scale_height * y ) >> 16;
+ row_index = ( 32768 + scale_height * y ) >> 16;
row = image + stride * row_index;
for ( x = 0; x < rect.w; x ++ )
{
- q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+ q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
pixel = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
*p ++ = (pixel & 0xFF0000) >> 16;
*p ++ = (pixel & 0x00FF00) >> 8;
static inline void display_4( SDL_Surface *screen, SDL_Rect rect, uint8_t *image, int width, int height )
{
// Generate the affine transform scaling values
+ if ( rect.w == 0 || rect.h == 0 ) return;
int scale_width = ( width << 16 ) / rect.w;
int scale_height = ( height << 16 ) / rect.h;
int stride = width * 3;
for ( y = 0; y < rect.h; y ++ )
{
p = start;
- row_index = ( scale_height * y ) >> 16;
+ row_index = ( 32768 + scale_height * y ) >> 16;
row = image + stride * row_index;
for ( x = 0; x < rect.w; x ++ )
{
- q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+ q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
*p ++ = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
}
start += scanlength;
}
}
- if ( this->sdl_screen == NULL || changed || mlt_properties_get_int( properties, "changed" ) == 2 )
+ if ( this->sdl_screen == NULL || changed )
{
// open SDL window
this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
if ( consumer_get_dimensions( &this->window_width, &this->window_height ) )
this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
-
+ uint32_t color = mlt_properties_get_int( this->properties, "window_background" );
+ SDL_FillRect( this->sdl_screen, NULL, color >> 8 );
changed = 1;
- mlt_properties_set_int( properties, "changed", 0 );
}
else
{
changed = 1;
- mlt_properties_set_int( properties, "changed", 0 );
}
if ( changed == 0 &&
this->last_producer == mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "_producer", NULL ) )
{
sdl_unlock_display( );
- if ( unlock != NULL )
- unlock( );
+ if ( unlock != NULL ) unlock( );
return 0;
}
this->last_producer = mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "_producer", NULL );
// Get the image, width and height
- mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
mlt_frame_get_image( frame, &image, &vfmt, &width, &height, 0 );
+ mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
if ( image != NULL )
{
if ( !mlt_consumer_is_stopped( &this->parent ) && SDL_GetVideoSurface( ) != NULL && this->sdl_screen != NULL && this->sdl_screen->pixels != NULL )
{
- memset( this->sdl_screen->pixels, 0, this->window_width * this->window_height * this->sdl_screen->format->BytesPerPixel );
-
switch( this->sdl_screen->format->BytesPerPixel )
{
case 1:
// Get the consumer
mlt_consumer consumer = &this->parent;
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
// internal intialization
mlt_frame frame = NULL;
+ mlt_image_format vfmt = mlt_image_rgb24a;
+ int height = this->height;
+ int width = this->width;
+ uint8_t *image = NULL;
- if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "sdl_started" ) == 0 )
- {
- if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE ) < 0 )
- {
- fprintf( stderr, "Failed to initialize SDL: %s\n", SDL_GetError() );
- return NULL;
- }
+ // Allow the hosting app to provide the preview
+ int preview_off = mlt_properties_get_int( properties, "preview_off" );
+ mlt_image_format preview_format = mlt_properties_get_int( properties, "preview_format" );
- SDL_EnableKeyRepeat( SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL );
- SDL_EnableUNICODE( 1 );
- }
- else
- {
- mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "changed", 2 );
- if ( SDL_GetVideoSurface( ) != NULL )
- {
- this->sdl_screen = SDL_GetVideoSurface( );
- consumer_get_dimensions( &this->window_width, &this->window_height );
- mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "changed", 0 );
- }
- }
+ // Check if a specific colour space has been requested
+ if ( preview_off && preview_format != mlt_image_none )
+ vfmt = preview_format;
// Loop until told not to
while( this->running )
frame = mlt_consumer_rt_frame( consumer );
// Ensure that we have a frame
- if ( frame != NULL )
+ if ( this->running && frame != NULL )
{
- consumer_play_video( this, frame );
+ if ( preview_off == 0 )
+ {
+ consumer_play_video( this, frame );
+ }
+ else
+ {
+ 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 );
+ }
mlt_frame_close( frame );
}
else
{
+ if ( frame ) mlt_frame_close( frame );
this->running = 0;
}
}
- if ( mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "sdl_started" ) == 0 )
- SDL_Quit( );
-
- this->sdl_screen = NULL;
-
return NULL;
}
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