#include <stdlib.h>
#include <string.h>
-typedef struct
-{
- mlt_image_format vfmt;
- int width;
- int height;
- uint8_t *image;
- uint8_t *alpha;
- mlt_audio_format afmt;
- int16_t *audio;
-}
-frame_test;
-
-static frame_test test_card = { mlt_image_none, 0, 0, NULL, NULL, mlt_audio_none, NULL };
-
/** Constructor for a frame.
*/
int mlt_frame_is_test_card( mlt_frame this )
{
- return ( this->stack_get_image_size == 0 && mlt_properties_get_data( mlt_frame_properties( this ), "image", NULL ) == NULL );
+ return mlt_properties_get_int( mlt_frame_properties( this ), "test_image" );
}
/** Check if we have a way to derive something than test audio.
int mlt_frame_is_test_audio( mlt_frame this )
{
- return this->get_audio == NULL;
+ return this->get_audio == NULL || mlt_properties_get_int( mlt_frame_properties( this ), "test_audio" );
}
/** Get the aspect ratio of the frame.
}
else
{
- if ( test_card.vfmt != *format || test_card.width != *width || test_card.height != *height || test_card.image == NULL )
- {
- uint8_t *p;
- uint8_t *q;
-
- test_card.vfmt = *format;
- test_card.width = *width == 0 ? 720 : *width;
- test_card.height = *height == 0 ? 576 : *height;
-
- switch( *format )
- {
- case mlt_image_none:
- break;
- case mlt_image_rgb24:
- test_card.image = realloc( test_card.image, test_card.width * test_card.height * 3 );
- memset( test_card.image, 255, test_card.width * test_card.height * 3 );
- break;
- case mlt_image_rgb24a:
- test_card.image = realloc( test_card.image, test_card.width * test_card.height * 4 );
- memset( test_card.image, 255, test_card.width * test_card.height * 4 );
- break;
- case mlt_image_yuv422:
- test_card.image = realloc( test_card.image, test_card.width * test_card.height * 2 );
- p = test_card.image;
- q = test_card.image + test_card.width * test_card.height * 2;
- while ( p != q )
- {
- *p ++ = 255;
- *p ++ = 128;
- }
- break;
- case mlt_image_yuv420p:
- test_card.image = realloc( test_card.image, test_card.width * test_card.height * 3 / 2 );
- memset( test_card.image, 255, test_card.width * test_card.height * 3 / 2 );
- break;
- }
- }
+ uint8_t *p;
+ uint8_t *q;
+ int size = 0;
- *width = test_card.width;
- *height = test_card.height;
- *buffer = test_card.image;
+ *width = *width == 0 ? 720 : *width;
+ *height = *height == 0 ? 576 : *height;
+ size = *width * *height;
mlt_properties_set_int( properties, "width", *width );
mlt_properties_set_int( properties, "height", *height );
- if ( writable )
+ switch( *format )
{
- uint8_t *copy = malloc( *width * *height * 2 );
- memcpy( copy, *buffer, *width * *height * 2 );
- mlt_properties_set_data( properties, "image", copy, *width * *height * 2, free, NULL );
- *buffer = copy;
- }
- else
- {
- mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, NULL, NULL );
+ case mlt_image_none:
+ size = 0;
+ *buffer = NULL;
+ break;
+ case mlt_image_rgb24:
+ size *= 3;
+ *buffer = malloc( size );
+ if ( *buffer )
+ memset( *buffer, 255, size );
+ break;
+ case mlt_image_rgb24a:
+ size *= 4;
+ *buffer = malloc( size );
+ if ( *buffer )
+ memset( *buffer, 255, size );
+ break;
+ case mlt_image_yuv422:
+ size *= 2;
+ *buffer = malloc( size );
+ p = *buffer;
+ q = p + size;
+ while ( p != NULL && p != q )
+ {
+ *p ++ = 255;
+ *p ++ = 128;
+ }
+ break;
+ case mlt_image_yuv420p:
+ size = size * 3 / 2;
+ *buffer = malloc( size );
+ if ( *buffer )
+ memset( *buffer, 255, size );
+ break;
}
+
+ mlt_properties_set_data( properties, "image", *buffer, size, free, NULL );
+ mlt_properties_set_int( properties, "test_image", 1 );
}
return 0;
{
if ( this->get_alpha_mask != NULL )
return this->get_alpha_mask( this );
- return test_card.alpha;
+ return NULL;
}
int mlt_frame_get_audio( mlt_frame this, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
{
+ mlt_properties properties = mlt_frame_properties( this );
+
if ( this->get_audio != NULL )
{
return this->get_audio( this, buffer, format, frequency, channels, samples );
}
else
{
- if ( *samples <= 0 )
- *samples = 1920;
- if ( *channels <= 0 )
- *channels = 2;
- if ( *frequency <= 0 )
- *frequency = 48000;
- if ( test_card.audio == NULL || test_card.afmt != *format )
- {
- test_card.afmt = *format;
- test_card.audio = realloc( test_card.audio, *samples * *channels * sizeof( int16_t ) );
- memset( test_card.audio, 0, *samples * *channels * sizeof( int16_t ) );
- }
-
- *buffer = test_card.audio;
+ int size = 0;
+ *samples = *samples <= 0 ? 1920 : *samples;
+ *channels = *channels <= 0 ? 2 : *channels;
+ *frequency = *frequency <= 0 ? 48000 : *frequency;
+ size = *samples * *channels * sizeof( int16_t );
+ *buffer = malloc( size );
+ if ( *buffer != NULL )
+ memset( *buffer, 0, size );
+ mlt_properties_set_data( properties, "audio", *buffer, size, free, NULL );
+ mlt_properties_set_int( properties, "test_audio", 1 );
}
return 0;
}
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