]> git.sesse.net Git - mlt/blobdiff - src/framework/mlt_frame.c
Move the aspect ratio for multi consumer from mlt_frame.
[mlt] / src / framework / mlt_frame.c
index 1c313fc56bcec552929dac5437065882f4c53371..3ad896d2f3ce309085710710d4dfb466e2474bde 100644 (file)
@@ -3,8 +3,9 @@
  * \brief interface for all frame classes
  * \see mlt_frame_s
  *
- * Copyright (C) 2003-2009 Ushodaya Enterprises Limited
+ * Copyright (C) 2003-2013 Ushodaya Enterprises Limited
  * \author Charles Yates <charles.yates@pandora.be>
+ * \author Dan Dennedy <dan@dennedy.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -183,7 +184,7 @@ int mlt_frame_set_position( mlt_frame self, mlt_position value )
  *
  * \public \memberof mlt_frame_s
  * \param self a frame
- * \param the get_image callback
+ * \param get_image the get_image callback
  * \return true if error
  */
 
@@ -459,12 +460,12 @@ static int generate_test_image( mlt_properties properties, uint8_t **buffer,  ml
                        mlt_properties_set_data( properties, "test_card_frame", test_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
                        mlt_properties_set( test_properties, "rescale.interp", mlt_properties_get( properties, "rescale.interp" ) );
                        error = mlt_frame_get_image( test_frame, buffer, format, width, height, writable );
-                       if ( !error && *buffer )
+                       if ( !error && buffer && *buffer )
                        {
                                mlt_properties_set_double( properties, "aspect_ratio", mlt_frame_get_aspect_ratio( test_frame ) );
                                mlt_properties_set_int( properties, "width", *width );
                                mlt_properties_set_int( properties, "height", *height );
-                               if ( test_frame->convert_image && *buffer && requested_format != mlt_image_none )
+                               if ( test_frame->convert_image && requested_format != mlt_image_none )
                                        test_frame->convert_image( test_frame, buffer, format, requested_format );
                                mlt_properties_set_int( properties, "format", *format );
                        }
@@ -474,7 +475,7 @@ static int generate_test_image( mlt_properties properties, uint8_t **buffer,  ml
                        mlt_properties_set_data( properties, "test_card_producer", NULL, 0, NULL, NULL );
                }
        }
-       if ( error )
+       if ( error && buffer && *format != mlt_image_none )
        {
                int size = 0;
 
@@ -570,11 +571,11 @@ int mlt_frame_get_image( mlt_frame self, uint8_t **buffer, mlt_image_format *for
        {
                mlt_properties_set_int( properties, "image_count", mlt_properties_get_int( properties, "image_count" ) - 1 );
                error = get_image( self, buffer, format, width, height, writable );
-               if ( !error && *buffer )
+               if ( !error && buffer && *buffer )
                {
                        mlt_properties_set_int( properties, "width", *width );
                        mlt_properties_set_int( properties, "height", *height );
-                       if ( self->convert_image && *buffer && requested_format != mlt_image_none )
+                       if ( self->convert_image && requested_format != mlt_image_none )
                                self->convert_image( self, buffer, format, requested_format );
                        mlt_properties_set_int( properties, "format", *format );
                }
@@ -583,7 +584,7 @@ int mlt_frame_get_image( mlt_frame self, uint8_t **buffer, mlt_image_format *for
                        error = generate_test_image( properties, buffer, format, width, height, writable );
                }
        }
-       else if ( mlt_properties_get_data( properties, "image", NULL ) )
+       else if ( mlt_properties_get_data( properties, "image", NULL ) && buffer )
        {
                *format = mlt_properties_get_int( properties, "format" );
                *buffer = mlt_properties_get_data( properties, "image", NULL );
@@ -982,7 +983,7 @@ void mlt_frame_write_ppm( mlt_frame frame )
                FILE *file;
                char filename[16];
                
-               sprintf( filename, "frame-%05d.ppm", mlt_frame_get_position( frame ) );
+               sprintf( filename, "frame-%05d.ppm", (int)mlt_frame_get_position( frame ) );
                file = fopen( filename, "wb" );
                if ( !file )
                        return;
@@ -1069,10 +1070,12 @@ mlt_frame mlt_frame_clone( mlt_frame self, int is_deep )
                data = mlt_properties_get_data( properties, "image", &size );
                if ( data )
                {
+                       int width = mlt_properties_get_int( properties, "width" );
+                       int height = mlt_properties_get_int( properties, "height" );
+
                        if ( ! size )
                                size = mlt_image_format_size( mlt_properties_get_int( properties, "format" ),
-                                       mlt_properties_get_int( properties, "width" ),
-                                       mlt_properties_get_int( properties, "height" ), NULL );
+                                       width, height, NULL );
                        copy = mlt_pool_alloc( size );
                        memcpy( copy, data, size );
                        mlt_properties_set_data( new_props, "image", copy, size, mlt_pool_release, NULL );
@@ -1081,8 +1084,7 @@ mlt_frame mlt_frame_clone( mlt_frame self, int is_deep )
                        if ( data )
                        {
                                if ( ! size )
-                                       size = mlt_properties_get_int( properties, "width" ) *
-                                               mlt_properties_get_int( properties, "height" );
+                                       size = width * height;
                                copy = mlt_pool_alloc( size );
                                memcpy( copy, data, size );
                                mlt_properties_set_data( new_props, "alpha", copy, size, mlt_pool_release, NULL );