#define PROFILES_DIR "/share/mlt/profiles/"
-static mlt_profile profile = NULL;
-
-/** Get the current profile
-* Builds one for PAL DV if non-existing
+/** Load a profile from the system folder
*/
-mlt_profile mlt_profile_get( )
+static mlt_profile mlt_profile_select( const char *name )
{
- if ( !profile )
+ char *filename = NULL;
+ const char *prefix = getenv( "MLT_PROFILES_PATH" );
+ mlt_properties properties = mlt_properties_load( name );
+ mlt_profile profile = NULL;
+
+ // Try to load from file specification
+ if ( properties && mlt_properties_get_int( properties, "width" ) )
{
- profile = calloc( 1, sizeof( struct mlt_profile_s ) );
- if ( profile )
- {
- profile->name = strdup( "DV PAL" );
- profile->frame_rate_num = 25;
- profile->frame_rate_den = 1;
- profile->width = 720;
- profile->height = 576;
- profile->progressive = 0;
- profile->sample_aspect_num = 59;
- profile->sample_aspect_den = 54;
- profile->display_aspect_num = 4;
- profile->display_aspect_den = 3;
- }
+ filename = calloc( 1, strlen( name ) + 1 );
+ }
+ // Load from $prefix/share/mlt/profiles
+ else if ( prefix == NULL )
+ {
+ prefix = PREFIX;
+ filename = calloc( 1, strlen( prefix ) + strlen( PROFILES_DIR ) + strlen( name ) + 2 );
+ strcpy( filename, prefix );
+ if ( filename[ strlen( filename ) - 1 ] != '/' )
+ filename[ strlen( filename ) ] = '/';
+ strcat( filename, PROFILES_DIR );
+ }
+ // Use environment variable instead
+ else
+ {
+ filename = calloc( 1, strlen( prefix ) + strlen( name ) + 2 );
+ strcpy( filename, prefix );
+ if ( filename[ strlen( filename ) - 1 ] != '/' )
+ filename[ strlen( filename ) ] = '/';
}
+
+ // Finish loading
+ strcat( filename, name );
+ profile = mlt_profile_load_file( filename );
+
+ // Cleanup
+ mlt_properties_close( properties );
+ free( filename );
+
return profile;
}
-
-/** Load a profile from the system folder
+/** Construct a profile.
*/
-mlt_profile mlt_profile_select( const char *name )
+mlt_profile mlt_profile_init( const char *name )
{
- const char *prefix = PREFIX;
- char *filename = calloc( 1, strlen( prefix ) + strlen( PROFILES_DIR ) + strlen( name ) + 1 );
- strcpy( filename, prefix );
- if ( filename[ strlen( filename ) - 1 ] != '/' )
- filename[ strlen( filename ) ] = '/';
- strcat( filename, PROFILES_DIR );
- strcat( filename, name );
- return mlt_profile_load_file( filename );
+ mlt_profile profile = NULL;
+
+ // Explicit profile by name gets priority over environment variables
+ if ( name )
+ profile = mlt_profile_select( name );
+
+ // Try to load by environment variable
+ if ( profile == NULL )
+ {
+ // MLT_PROFILE is preferred environment variable
+ if ( getenv( "MLT_PROFILE" ) )
+ profile = mlt_profile_select( getenv( "MLT_PROFILE" ) );
+ // MLT_NORMALISATION backwards compatibility
+ else if ( getenv( "MLT_NORMALISATION" ) && strcmp( getenv( "MLT_NORMALISATION" ), "PAL" ) )
+ profile = mlt_profile_select( "dv_ntsc" );
+ else
+ profile = mlt_profile_select( "dv_pal" );
+
+ // If still not loaded (no profile files), default to PAL
+ if ( profile == NULL )
+ {
+ profile = calloc( 1, sizeof( struct mlt_profile_s ) );
+ if ( profile )
+ {
+ mlt_environment_set( "MLT_PROFILE", "dv_pal" );
+ profile->description = strdup( "PAL 4:3 DV or DVD" );
+ profile->frame_rate_num = 25;
+ profile->frame_rate_den = 1;
+ profile->width = 720;
+ profile->height = 576;
+ profile->progressive = 0;
+ profile->sample_aspect_num = 59;
+ profile->sample_aspect_den = 54;
+ profile->display_aspect_num = 4;
+ profile->display_aspect_den = 3;
+ }
+ }
+ }
+ return profile;
}
/** Load a profile from specific file
mlt_profile mlt_profile_load_file( const char *file )
{
+ mlt_profile profile = NULL;
+
// Load the profile as properties
mlt_properties properties = mlt_properties_load( file );
- if ( properties && mlt_properties_get_int( properties, "width" ) )
+ if ( properties )
{
- mlt_profile_load_properties( properties );
- if ( !profile->name )
+ // Simple check if the profile is valid
+ if ( mlt_properties_get_int( properties, "width" ) )
{
+ profile = mlt_profile_load_properties( properties );
+
+ // Set MLT_PROFILE to basename
char *filename = strdup( file );
- profile->name = strdup( basename( filename ) );
+ mlt_environment_set( "MLT_PROFILE", basename( filename ) );
free( filename );
}
+ mlt_properties_close( properties );
}
- else
+
+ // Set MLT_NORMALISATION to appease legacy modules
+ char *profile_name = getenv( "MLT_PROFILE" );
+ if ( profile_name )
{
- mlt_properties_close( properties );
- mlt_profile_close();
+ if ( strstr( profile_name, "_ntsc" ) ||
+ strstr( profile_name, "_60" ) ||
+ strstr( profile_name, "_30" ) )
+ {
+ mlt_environment_set( "MLT_NORMALISATION", "NTSC" );
+ }
+ else if ( strstr( profile_name, "_pal" ) ||
+ strstr( profile_name, "_50" ) ||
+ strstr( profile_name, "_25" ) )
+ {
+ mlt_environment_set( "MLT_NORMALISATION", "PAL" );
+ }
}
return profile;
}
mlt_profile mlt_profile_load_properties( mlt_properties properties )
{
- mlt_profile_close();
- profile = calloc( 1, sizeof( struct mlt_profile_s ) );
+ mlt_profile profile = calloc( 1, sizeof( struct mlt_profile_s ) );
if ( profile )
{
if ( mlt_properties_get( properties, "name" ) )
- profile->name = mlt_properties_get( properties, "name" );
+ mlt_environment_set( "MLT_PROFILE", mlt_properties_get( properties, "name" ) );
+ if ( mlt_properties_get( properties, "description" ) )
+ profile->description = strdup( mlt_properties_get( properties, "description" ) );
profile->frame_rate_num = mlt_properties_get_int( properties, "frame_rate_num" );
profile->frame_rate_den = mlt_properties_get_int( properties, "frame_rate_den" );
profile->width = mlt_properties_get_int( properties, "width" );
if ( p ) p++;
}
}
- mlt_profile_load_properties( properties );
- if ( profile && !profile->name )
- profile->name = strdup( "untitled" );
- return profile;
+ return mlt_profile_load_properties( properties );
}
/** Get the framerate as float
if ( aprofile )
return ( double ) aprofile->frame_rate_num / aprofile->frame_rate_den;
else
- return ( double ) mlt_profile_get()->frame_rate_num / mlt_profile_get()->frame_rate_den;
+ return 0;
}
/** Get the sample aspect ratio as float
if ( aprofile )
return ( double ) aprofile->sample_aspect_num / aprofile->sample_aspect_den;
else
- return ( double ) mlt_profile_get()->sample_aspect_num / mlt_profile_get()->sample_aspect_den;
+ return 0;
}
/** Get the display aspect ratio as float
if ( aprofile )
return ( double ) aprofile->display_aspect_num / aprofile->display_aspect_den;
else
- return ( double ) mlt_profile_get()->display_aspect_num / mlt_profile_get()->display_aspect_den;
+ return 0;
}
/** Free up the global profile resources
*/
-void mlt_profile_close( )
+void mlt_profile_close( mlt_profile profile )
{
if ( profile )
{
- if ( profile->name )
- free( profile->name );
- profile->name = NULL;
+ if ( profile->description )
+ free( profile->description );
+ profile->description = NULL;
free( profile );
profile = NULL;
}
projects / melted / blobdiff