* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * 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 "config.h"
{
mlt_properties_set( properties, "normalisation", "PAL" );
mlt_properties_set_double( properties, "fps", 25.0 );
+ mlt_properties_set_int( properties, "frame_rate_num", 25 );
+ mlt_properties_set_int( properties, "frame_rate_den", 1 );
mlt_properties_set_int( properties, "width", 720 );
mlt_properties_set_int( properties, "height", 576 );
mlt_properties_set_int( properties, "progressive", 0 );
mlt_properties_set_double( properties, "aspect_ratio", 59.0 / 54.0 );
+ mlt_properties_set_int( properties, "aspect_ratio_num", 59 );
+ mlt_properties_set_int( properties, "aspect_ratio_den", 54 );
+ mlt_properties_set_double( properties, "display_ratio", 4.0 / 3.0 );
+ mlt_properties_set_int( properties, "display_ratio_num", 4 );
+ mlt_properties_set_int( properties, "display_ratio_den", 3 );
}
else
{
mlt_properties_set( properties, "normalisation", "NTSC" );
mlt_properties_set_double( properties, "fps", 30000.0 / 1001.0 );
+ mlt_properties_set_int( properties, "frame_rate_num", 30000 );
+ mlt_properties_set_int( properties, "frame_rate_den", 1001 );
mlt_properties_set_int( properties, "width", 720 );
mlt_properties_set_int( properties, "height", 480 );
mlt_properties_set_int( properties, "progressive", 0 );
mlt_properties_set_double( properties, "aspect_ratio", 10.0 / 11.0 );
+ mlt_properties_set_int( properties, "aspect_ratio_num", 10 );
+ mlt_properties_set_int( properties, "aspect_ratio_den", 11 );
+ mlt_properties_set_double( properties, "display_ratio", 4.0 / 3.0 );
+ mlt_properties_set_int( properties, "display_ratio_num", 4 );
+ mlt_properties_set_int( properties, "display_ratio_den", 3 );
}
// Default rescaler for all consumers
// Determine if there's a test card producer
char *test_card = mlt_properties_get( properties, "test_card" );
+ // Handle profiles
+ char *profile = mlt_properties_get( properties, "profile" );
+ int profile_ok = mlt_consumer_profile( properties, profile );
+
+ // Check that everything is OK
+ if ( !profile_ok )
+ fprintf( stderr, "Unrecognised profile %s - continuing with defaults.\n", mlt_properties_get( properties, "profile" ) );
+ else if ( profile_ok < 0 )
+ fprintf( stderr, "Recognised profile %s with warnings - trying to continue with some defaults.\n", mlt_properties_get( properties, "profile" ) );
+
// Just to make sure nothing is hanging around...
mlt_frame_close( this->put );
this->put = NULL;
// Aspect ratio and other jiggery pokery
mlt_properties_set_double( frame_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "aspect_ratio" ) );
mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_int( properties, "progressive" ) | mlt_properties_get_int( properties, "deinterlace" ) );
+ mlt_properties_set( frame_properties, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
}
// Return the frame
return time1->tv_sec * 1000000 + time1->tv_usec - time2.tv_sec * 1000000 - time2.tv_usec;
}
+int mlt_consumer_profile( mlt_properties properties, char *profile )
+{
+ double fps = mlt_properties_get_double( properties, "fps" );
+ int recognised = 1;
+ double display_num = 0;
+ double display_den = 0;
+ double pixel_num = 0;
+ double pixel_den = 0;
+ int width = 0;
+ int height = 0;
+
+ if ( fps == 25.0 && profile != NULL )
+ {
+ width = 720;
+ height = 576;
+ display_num = 4;
+ display_den = 3;
+ pixel_num = 59;
+ pixel_den = 54;
+
+ if ( !strcmp( profile, "dv_wide" ) )
+ {
+ display_num = 16;
+ display_den = 9;
+ pixel_num = 118;
+ pixel_den = 81;
+ }
+ else if ( !strncmp( profile, "square_wide", 11 ) )
+ {
+ display_num = 16;
+ display_den = 9;
+ pixel_num = 1;
+ pixel_den = 1;
+ width = 1024;
+ height = 576;
+ }
+ else if ( !strncmp( profile, "square", 6 ) )
+ {
+ pixel_num = 1;
+ pixel_den = 1;
+ width = 768;
+ height = 576;
+ }
+ else if ( !strncmp( profile, "vcd", 3 ) )
+ {
+ width = 352;
+ height = 288;
+ }
+ else if ( !strncmp( profile, "cvd", 3 ) )
+ {
+ width = 352;
+ height = 576;
+ pixel_num = 59;
+ pixel_den = 27;
+ }
+ else if ( !strncmp( profile, "svcd_wide", 9 ) )
+ {
+ width = 480;
+ height = 576;
+ pixel_num = 59;
+ pixel_den = 27;
+ display_num = 16;
+ display_den = 9;
+ }
+ else if ( !strncmp( profile, "svcd", 4 ) )
+ {
+ width = 480;
+ height = 576;
+ pixel_num = 59;
+ pixel_den = 36;
+ }
+ else if ( strncmp( profile, "frame", 5 ) && strcmp( profile, "dv" ) )
+ {
+ recognised = 0;
+ }
+ }
+ else if ( profile != NULL )
+ {
+ width = 720;
+ height = 480;
+ display_num = 4;
+ display_den = 3;
+ pixel_num = 10;
+ pixel_den = 11;
+
+ if ( !strcmp( profile, "dv_wide" ) )
+ {
+ display_num = 16;
+ display_den = 9;
+ pixel_num = 40;
+ pixel_den = 33;
+ }
+ else if ( !strncmp( profile, "square_wide", 11 ) )
+ {
+ display_num = 16;
+ display_den = 9;
+ pixel_num = 1;
+ pixel_den = 1;
+ width = 854;
+ height = 480;
+ }
+ else if ( !strncmp( profile, "square", 6 ) )
+ {
+ pixel_num = 1;
+ pixel_den = 1;
+ width = 640;
+ height = 480;
+ }
+ else if ( !strncmp( profile, "vcd", 3 ) )
+ {
+ width = 352;
+ height = 240;
+ }
+ else if ( !strncmp( profile, "cvd", 3 ) )
+ {
+ width = 352;
+ height = 480;
+ pixel_num = 20;
+ pixel_den = 11;
+ }
+ else if ( !strncmp( profile, "svcd_wide", 9 ) )
+ {
+ width = 480;
+ height = 480;
+ pixel_num = 20;
+ pixel_den = 11;
+ display_num = 16;
+ display_den = 9;
+ }
+ else if ( !strncmp( profile, "svcd", 4 ) )
+ {
+ width = 480;
+ height = 480;
+ pixel_num = 15;
+ pixel_den = 11;
+ }
+ else if ( strncmp( profile, "frame", 5 ) && strcmp( profile, "dv" ) )
+ {
+ recognised = 0;
+ }
+ }
+
+ // If width (or any of the above are 0), we use defaults otherwise we switch to recognised
+ if ( width != 0 && recognised )
+ {
+ if ( recognised && strchr( profile, ':' ) )
+ if ( sscanf( strchr( profile, ':' ) + 1, "%dx%d", &width, &height ) != 2 )
+ recognised = -1;
+
+ mlt_properties_set_int( properties, "width", width );
+ mlt_properties_set_int( properties, "height", height );
+ mlt_properties_set_double( properties, "aspect_ratio", pixel_num / pixel_den );
+ mlt_properties_set_int( properties, "aspect_ratio_num", pixel_num );
+ mlt_properties_set_int( properties, "aspect_ratio_den", pixel_den );
+ mlt_properties_set_double( properties, "display_ratio", display_num / display_den );
+ mlt_properties_set_int( properties, "display_ratio_num", display_num );
+ mlt_properties_set_int( properties, "display_ratio_den", display_den );
+ }
+
+ return recognised;
+}
+
static void *consumer_read_ahead_thread( void *arg )
{
// The argument is the consumer
// See if video is turned off
int video_off = mlt_properties_get_int( properties, "video_off" );
+ int preview_off = mlt_properties_get_int( properties, "preview_off" );
+ int preview_format = mlt_properties_get_int( properties, "preview_format" );
// Get the audio settings
mlt_audio_format afmt = mlt_audio_pcm;
int skip_next = 0;
mlt_service lock_object = NULL;
+ if ( preview_off && preview_format != 0 )
+ this->format = preview_format;
+
// Get the first frame
frame = mlt_consumer_get_frame( this );
// Continue to read ahead
while ( this->ahead )
{
+ // Fetch width/height again
+ width = mlt_properties_get_int( properties, "width" );
+ height = mlt_properties_get_int( properties, "height" );
+
// Put the current frame into the queue
pthread_mutex_lock( &this->mutex );
while( this->ahead && mlt_deque_count( this->queue ) >= buffer )
projects / melted / blobdiff