static int get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
context cx = mlt_frame_pop_service( frame );
mlt_frame nested_frame = mlt_frame_pop_service( frame );
*width = cx->profile->width;
*height = cx->profile->height;
int result = mlt_frame_get_image( nested_frame, image, format, width, height, writable );
// Allocate the image
int size = mlt_image_format_size( *format, *width, *height, NULL );
uint8_t *new_image = mlt_pool_alloc( size );
// Update the frame
mlt_properties properties = mlt_frame_properties( frame );
mlt_frame_set_image( frame, new_image, size, mlt_pool_release );
memcpy( new_image, *image, size );
mlt_properties_set( properties, "progressive", mlt_properties_get( MLT_FRAME_PROPERTIES(nested_frame), "progressive" ) );
*image = new_image;
// Copy the alpha channel
uint8_t *alpha = mlt_properties_get_data( MLT_FRAME_PROPERTIES( nested_frame ), "alpha", &size );
if ( alpha && size > 0 )
{
new_image = mlt_pool_alloc( size );
memcpy( new_image, alpha, size );
mlt_frame_set_alpha( frame, new_image, size, mlt_pool_release );
}
return result;
}
static int producer_get_image( mlt_frame self, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
uint8_t *data = NULL;
int size = 0;
mlt_properties properties = MLT_FRAME_PROPERTIES( self );
mlt_frame frame = mlt_frame_pop_service( self );
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
mlt_properties_set( frame_properties, "rescale.interp", mlt_properties_get( properties, "rescale.interp" ) );
mlt_properties_set_int( frame_properties, "resize_alpha", mlt_properties_get_int( properties, "resize_alpha" ) );
mlt_properties_set_int( frame_properties, "distort", mlt_properties_get_int( properties, "distort" ) );
mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_int( properties, "consumer_deinterlace" ) );
mlt_properties_set( frame_properties, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
mlt_properties_set_int( frame_properties, "consumer_tff", mlt_properties_get_int( properties, "consumer_tff" ) );
mlt_frame_get_image( frame, buffer, format, width, height, writable );
mlt_frame_set_image( self, *buffer, 0, NULL );
mlt_properties_set_int( properties, "width", *width );
mlt_properties_set_int( properties, "height", *height );
mlt_properties_set_int( properties, "format", *format );
mlt_properties_set_double( properties, "aspect_ratio", mlt_frame_get_aspect_ratio( frame ) );
mlt_properties_set_int( properties, "progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
mlt_properties_set_int( properties, "distort", mlt_properties_get_int( frame_properties, "distort" ) );
mlt_properties_set_int( properties, "colorspace", mlt_properties_get_int( frame_properties, "colorspace" ) );
mlt_properties_set_int( properties, "force_full_luma", mlt_properties_get_int( frame_properties, "force_full_luma" ) );
mlt_properties_set_int( properties, "top_field_first", mlt_properties_get_int( frame_properties, "top_field_first" ) );
mlt_properties_set_data( properties, "movit.convert.fence",
mlt_properties_get_data( frame_properties, "movit.convert.fence", NULL ),
0, NULL, NULL );
data = mlt_frame_get_alpha_mask( frame );
mlt_properties_get_data( frame_properties, "alpha", &size );
mlt_frame_set_alpha( self, data, size, NULL );
self->convert_image = frame->convert_image;
self->convert_audio = frame->convert_audio;
return 0;
}
static uint8_t *filter_get_alpha_mask( mlt_frame frame )
{
uint8_t *alpha = NULL;
// Obtain properties of frame
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Get the shape frame
mlt_frame shape_frame = mlt_properties_get_data( properties, "shape_frame", NULL );
// Get the width and height of the image
int region_width = mlt_properties_get_int( properties, "width" );
int region_height = mlt_properties_get_int( properties, "height" );
uint8_t *image = NULL;
mlt_image_format format = mlt_image_yuv422;
// Get the shape image to trigger alpha creation
mlt_properties_set_int( MLT_FRAME_PROPERTIES( shape_frame ), "distort", 1 );
mlt_frame_get_image( shape_frame, &image, &format, ®ion_width, ®ion_height, 0 );
alpha = mlt_frame_get_alpha_mask( shape_frame );
int size = region_width * region_height;
uint8_t *alpha_duplicate = mlt_pool_alloc( size );
int holewhite = mlt_properties_get_int(properties,"holecolor");
if (holewhite) {
alpha = alpha_duplicate;
while (size--) {
uint8_t test = ( int )( ( ( *image ++ - 16 ) * 299 ) / 255 );
if (test <= 10) {
*alpha = holewhite==1?0:255;
}
else if (test >= 250 ) {
*alpha = holewhite==2?0:255;
}
alpha++;
image++;
}
}
// Generate from the Y component of the image if no alpha available
else if ( alpha == NULL )
{
alpha = alpha_duplicate;
while ( size -- )
{
*alpha ++ = ( int )( ( ( *image ++ - 16 ) * 299 ) / 255 );
image ++;
}
}
else
{
memcpy( alpha_duplicate, alpha, size );
}
mlt_frame_set_alpha( frame, alpha_duplicate, region_width * region_height, mlt_pool_release );
return alpha_duplicate;
}
static int producerGetImage(mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int /*writable*/) {
int error = 0;
mlt_properties properties = MLT_FRAME_PROPERTIES(frame);
mlt_producer producer = (mlt_producer)mlt_properties_get_data(properties, kWebVfxProducerPropertyName, NULL);
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES(producer);
int size;
int bpp;
bool hasTransparency = false;
{
MLTWebVfx::ServiceLocker locker(MLT_PRODUCER_SERVICE(producer));
if (!locker.initialize(*width, *height))
return 1;
if (mlt_properties_get_int( producer_props, "transparent") ) {
*format = mlt_image_rgb24a;
hasTransparency = true;
}
else {
*format = mlt_image_rgb24;
}
// Get bpp from image format
mlt_image_format_size(*format, 0, 0, &bpp);
size = *width * *height * bpp;
*buffer = (uint8_t*)mlt_pool_alloc(size);
// When not using transparency, this will make the background black...
memset( *buffer, 255, size );
WebVfx::Image outputImage(*buffer, *width, *height, size, hasTransparency);
locker.getManager()->render(&outputImage,
mlt_properties_get_position(properties, kWebVfxPositionPropertyName),
mlt_producer_get_length(producer), hasTransparency);
}
mlt_frame_set_image(frame, *buffer, size, mlt_pool_release);
if (hasTransparency) {
// Create the alpha channel
int alpha_size = *width * *height;
uint8_t *alpha = (uint8_t *)mlt_pool_alloc( alpha_size );
// Initialise the alpha
memset( alpha, 255, alpha_size );
mlt_frame_set_alpha(frame, alpha, alpha_size, mlt_pool_release);
}
return error;
}
static uint8_t *frame_resize_image( mlt_frame frame, int owidth, int oheight, int bpp )
{
// Get properties
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Get the input image, width and height
uint8_t *input = mlt_properties_get_data( properties, "image", NULL );
uint8_t *alpha = mlt_frame_get_alpha( frame );
int alpha_size = 0;
mlt_properties_get_data( properties, "alpha", &alpha_size );
int iwidth = mlt_properties_get_int( properties, "width" );
int iheight = mlt_properties_get_int( properties, "height" );
// If width and height are correct, don't do anything
if ( iwidth < owidth || iheight < oheight )
{
uint8_t alpha_value = mlt_properties_get_int( properties, "resize_alpha" );
// Create the output image
uint8_t *output = mlt_pool_alloc( owidth * ( oheight + 1 ) * bpp );
// Call the generic resize
resize_image( output, owidth, oheight, input, iwidth, iheight, bpp );
// Now update the frame
mlt_frame_set_image( frame, output, owidth * ( oheight + 1 ) * bpp, mlt_pool_release );
// We should resize the alpha too
if ( alpha && alpha_size >= iwidth * iheight )
{
alpha = resize_alpha( alpha, owidth, oheight, iwidth, iheight, alpha_value );
if ( alpha )
mlt_frame_set_alpha( frame, alpha, owidth * oheight, mlt_pool_release );
}
// Return the output
return output;
}
// No change, return input
return input;
}
static int producer_get_image( mlt_frame frame, uint8_t** buffer, mlt_image_format* format, int* width, int* height, int writable )
{
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
mlt_producer producer = static_cast<mlt_producer>( mlt_properties_get_data( frame_properties, "_producer_qtext", NULL ) );
mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
int img_size = 0;
int alpha_size = 0;
uint8_t* alpha = NULL;
QImage* qImg = static_cast<QImage*>( mlt_properties_get_data( producer_properties, "_qimg", NULL ) );
mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
// Regenerate the qimage if necessary
if( check_qimage( frame_properties ) == true )
{
generate_qimage( frame_properties );
}
*format = mlt_image_rgb24a;
*width = qImg->width();
*height = qImg->height();
// Allocate and fill the image buffer
img_size = mlt_image_format_size( *format, *width, *height, NULL );
*buffer = static_cast<uint8_t*>( mlt_pool_alloc( img_size ) );
copy_qimage_to_mlt_image( qImg, *buffer );
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
// Allocate and fill the alpha buffer
alpha_size = *width * *height;
alpha = static_cast<uint8_t*>( mlt_pool_alloc( alpha_size ) );
copy_image_to_alpha( *buffer, alpha, *width, *height );
// Update the frame
mlt_frame_set_image( frame, *buffer, img_size, mlt_pool_release );
mlt_frame_set_alpha( frame, alpha, alpha_size, mlt_pool_release );
mlt_properties_set_int( frame_properties, "width", *width );
mlt_properties_set_int( frame_properties, "height", *height );
return 0;
}
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
// Obtain properties of frame
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Obtain the producer for this frame
mlt_producer producer = mlt_properties_get_data( properties, "producer_colour", NULL );
mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
// Get the current and previous colour strings
char *now = mlt_properties_get( producer_props, "resource" );
char *then = mlt_properties_get( producer_props, "_resource" );
// Get the current image and dimensions cached in the producer
int size = 0;
uint8_t *image = mlt_properties_get_data( producer_props, "image", &size );
int current_width = mlt_properties_get_int( producer_props, "_width" );
int current_height = mlt_properties_get_int( producer_props, "_height" );
mlt_image_format current_format = mlt_properties_get_int( producer_props, "_format" );
// Parse the colour
if ( now && strchr( now, '/' ) )
{
now = strdup( strrchr( now, '/' ) + 1 );
mlt_properties_set( producer_props, "resource", now );
free( now );
now = mlt_properties_get( producer_props, "resource" );
}
mlt_color color = mlt_properties_get_color( producer_props, "resource" );
if ( mlt_properties_get( producer_props, "mlt_image_format") )
*format = mlt_image_format_id( mlt_properties_get( producer_props, "mlt_image_format") );
// Choose suitable out values if nothing specific requested
if ( *format == mlt_image_none || *format == mlt_image_glsl )
*format = mlt_image_rgb24a;
if ( *width <= 0 )
*width = mlt_service_profile( MLT_PRODUCER_SERVICE(producer) )->width;
if ( *height <= 0 )
*height = mlt_service_profile( MLT_PRODUCER_SERVICE(producer) )->height;
// Choose default image format if specific request is unsupported
if (*format!=mlt_image_yuv420p && *format!=mlt_image_yuv422 && *format!=mlt_image_rgb24 && *format!= mlt_image_glsl && *format!= mlt_image_glsl_texture)
*format = mlt_image_rgb24a;
// See if we need to regenerate
if ( !now || ( then && strcmp( now, then ) ) || *width != current_width || *height != current_height || *format != current_format )
{
// Color the image
int i = *width * *height + 1;
int bpp;
// Allocate the image
size = mlt_image_format_size( *format, *width, *height, &bpp );
uint8_t *p = image = mlt_pool_alloc( size );
// Update the producer
mlt_properties_set_data( producer_props, "image", image, size, mlt_pool_release, NULL );
mlt_properties_set_int( producer_props, "_width", *width );
mlt_properties_set_int( producer_props, "_height", *height );
mlt_properties_set_int( producer_props, "_format", *format );
mlt_properties_set( producer_props, "_resource", now );
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
switch ( *format )
{
case mlt_image_yuv420p:
{
int plane_size = *width * *height;
uint8_t y, u, v;
RGB2YUV_601_SCALED( color.r, color.g, color.b, y, u, v );
memset(p + 0, y, plane_size);
memset(p + plane_size, u, plane_size/4);
memset(p + plane_size + plane_size/4, v, plane_size/4);
mlt_properties_set_int( properties, "colorspace", 601 );
break;
}
case mlt_image_yuv422:
{
int uneven = *width % 2;
int count = ( *width - uneven ) / 2 + 1;
uint8_t y, u, v;
RGB2YUV_601_SCALED( color.r, color.g, color.b, y, u, v );
i = *height + 1;
while ( --i )
{
int j = count;
while ( --j )
{
*p ++ = y;
*p ++ = u;
*p ++ = y;
*p ++ = v;
}
if ( uneven )
{
*p ++ = y;
*p ++ = u;
}
}
mlt_properties_set_int( properties, "colorspace", 601 );
break;
}
case mlt_image_rgb24:
while ( --i )
{
*p ++ = color.r;
*p ++ = color.g;
*p ++ = color.b;
}
break;
case mlt_image_glsl:
case mlt_image_glsl_texture:
memset(p, 0, size);
break;
case mlt_image_rgb24a:
while ( --i )
{
*p ++ = color.r;
*p ++ = color.g;
*p ++ = color.b;
*p ++ = color.a;
}
break;
default:
mlt_log_error( MLT_PRODUCER_SERVICE( producer ),
"invalid image format %s\n", mlt_image_format_name( *format ) );
}
}
else
{
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
}
// Create the alpha channel
int alpha_size = 0;
uint8_t *alpha = NULL;
// Initialise the alpha
if (color.a < 255 || *format == mlt_image_rgb24a) {
alpha_size = *width * *height;
alpha = mlt_pool_alloc( alpha_size );
if ( alpha )
memset( alpha, color.a, alpha_size );
else
alpha_size = 0;
}
// Clone our image
if (buffer && image && size > 0) {
*buffer = mlt_pool_alloc( size );
memcpy( *buffer, image, size );
}
// Now update properties so we free the copy after
mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
mlt_frame_set_alpha( frame, alpha, alpha_size, mlt_pool_release );
mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
mlt_properties_set_int( properties, "meta.media.width", *width );
mlt_properties_set_int( properties, "meta.media.height", *height );
return 0;
}
static int framebuffer_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
// Get the filter object and properties
mlt_producer producer = mlt_frame_pop_service( frame );
int index = ( int )mlt_frame_pop_service( frame );
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
// Frame properties objects
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
mlt_frame first_frame = mlt_properties_get_data( properties, "first_frame", NULL );
// Get producer parameters
int strobe = mlt_properties_get_int( properties, "strobe" );
int freeze = mlt_properties_get_int( properties, "freeze" );
int freeze_after = mlt_properties_get_int( properties, "freeze_after" );
int freeze_before = mlt_properties_get_int( properties, "freeze_before" );
int in = mlt_properties_get_position( properties, "in" );
// Determine the position
mlt_position first_position = (first_frame != NULL) ? mlt_frame_get_position( first_frame ) : -1;
mlt_position need_first = freeze;
if ( !freeze || freeze_after || freeze_before )
{
double prod_speed = mlt_properties_get_double( properties, "_speed" );
double actual_position = in + prod_speed * (double) mlt_producer_position( producer );
if ( mlt_properties_get_int( properties, "reverse" ) )
actual_position = mlt_producer_get_playtime( producer ) - actual_position;
if ( strobe < 2 )
{
need_first = floor( actual_position );
}
else
{
// Strobe effect wanted, calculate frame position
need_first = floor( actual_position );
need_first -= need_first % strobe;
}
if ( freeze )
{
if ( freeze_after && need_first > freeze ) need_first = freeze;
else if ( freeze_before && need_first < freeze ) need_first = freeze;
}
}
// Determine output buffer size
*width = mlt_properties_get_int( frame_properties, "width" );
*height = mlt_properties_get_int( frame_properties, "height" );
int size = mlt_image_format_size( *format, *width, *height, NULL );
// Get output buffer
int buffersize = 0;
int alphasize = *width * *height;
uint8_t *output = mlt_properties_get_data( properties, "output_buffer", &buffersize );
uint8_t *output_alpha = mlt_properties_get_data( properties, "output_alpha", NULL );
if( buffersize == 0 || buffersize != size )
{
// invalidate cached frame
first_position = -1;
}
if ( need_first != first_position )
{
// invalidate cached frame
first_position = -1;
// Bust the cached frame
mlt_properties_set_data( properties, "first_frame", NULL, 0, NULL, NULL );
first_frame = NULL;
}
if ( output && first_position != -1 ) {
// Using the cached frame
uint8_t *image_copy = mlt_pool_alloc( size );
memcpy( image_copy, output, size );
uint8_t *alpha_copy = mlt_pool_alloc( alphasize );
memcpy( alpha_copy, output_alpha, alphasize );
// Set the output image
*image = image_copy;
mlt_frame_set_image( frame, image_copy, size, mlt_pool_release );
mlt_frame_set_alpha( frame, alpha_copy, alphasize, mlt_pool_release );
*width = mlt_properties_get_int( properties, "_output_width" );
*height = mlt_properties_get_int( properties, "_output_height" );
*format = mlt_properties_get_int( properties, "_output_format" );
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
return 0;
}
// Get the cached frame
if ( first_frame == NULL )
{
// Get the frame to cache from the real producer
mlt_producer real_producer = mlt_properties_get_data( properties, "producer", NULL );
// Seek the producer to the correct place
mlt_producer_seek( real_producer, need_first );
// Get the frame
mlt_service_get_frame( MLT_PRODUCER_SERVICE( real_producer ), &first_frame, index );
// Cache the frame
mlt_properties_set_data( properties, "first_frame", first_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
}
mlt_properties first_frame_properties = MLT_FRAME_PROPERTIES( first_frame );
// Which frames are buffered?
uint8_t *first_image = mlt_properties_get_data( first_frame_properties, "image", NULL );
uint8_t *first_alpha = mlt_properties_get_data( first_frame_properties, "alpha", NULL );
if ( !first_image )
{
mlt_properties_set( first_frame_properties, "rescale.interp", mlt_properties_get( frame_properties, "rescale.interp" ) );
int error = mlt_frame_get_image( first_frame, &first_image, format, width, height, writable );
if ( error != 0 ) {
mlt_log_error( MLT_PRODUCER_SERVICE( producer ), "first_image == NULL get image died\n" );
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
return error;
}
output = mlt_pool_alloc( size );
memcpy( output, first_image, size );
// Let someone else clean up
mlt_properties_set_data( properties, "output_buffer", output, size, mlt_pool_release, NULL );
mlt_properties_set_int( properties, "_output_width", *width );
mlt_properties_set_int( properties, "_output_height", *height );
mlt_properties_set_int( properties, "_output_format", *format );
}
if ( !first_alpha )
{
alphasize = *width * *height;
first_alpha = mlt_frame_get_alpha_mask( first_frame );
output_alpha = mlt_pool_alloc( alphasize );
memcpy( output_alpha, first_alpha, alphasize );
mlt_properties_set_data( properties, "output_alpha", output_alpha, alphasize, mlt_pool_release, NULL );
}
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
// Create a copy
uint8_t *image_copy = mlt_pool_alloc( size );
memcpy( image_copy, first_image, size );
uint8_t *alpha_copy = mlt_pool_alloc( alphasize );
memcpy( alpha_copy, first_alpha, alphasize );
// Set the output image
*image = image_copy;
mlt_frame_set_image( frame, *image, size, mlt_pool_release );
mlt_frame_set_alpha( frame, alpha_copy, alphasize, mlt_pool_release );
return 0;
}
static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
// Error we will return
int error = 0;
// Get the watermark filter object
mlt_filter this = mlt_frame_pop_service( frame );
// Get the properties of the filter
mlt_properties properties = MLT_FILTER_PROPERTIES( this );
mlt_service_lock( MLT_FILTER_SERVICE( this ) );
// Get the producer from the filter
mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
// Get the composite from the filter
mlt_transition composite = mlt_properties_get_data( properties, "composite", NULL );
// Get the resource to use
char *resource = mlt_properties_get( properties, "resource" );
// Get the old resource
char *old_resource = mlt_properties_get( properties, "_old_resource" );
// Create a composite if we don't have one
if ( composite == NULL )
{
// Create composite via the factory
mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( this ) );
composite = mlt_factory_transition( profile, "composite", NULL );
// Register the composite for reuse/destruction
if ( composite != NULL )
mlt_properties_set_data( properties, "composite", composite, 0, ( mlt_destructor )mlt_transition_close, NULL );
}
// If we have one
if ( composite != NULL )
{
// Get the properties
mlt_properties composite_properties = MLT_TRANSITION_PROPERTIES( composite );
// Pass all the composite. properties on the filter down
mlt_properties_pass( composite_properties, properties, "composite." );
if ( mlt_properties_get( properties, "composite.out" ) == NULL )
mlt_properties_set_int( composite_properties, "out", mlt_properties_get_int( properties, "_out" ) );
// Force a refresh
mlt_properties_set_int( composite_properties, "refresh", 1 );
}
// Create a producer if don't have one
if ( producer == NULL || ( old_resource != NULL && strcmp( resource, old_resource ) ) )
{
// Get the factory producer service
char *factory = mlt_properties_get( properties, "factory" );
// Create the producer
mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( this ) );
producer = mlt_factory_producer( profile, factory, resource );
// If we have one
if ( producer != NULL )
{
// Register the producer for reuse/destruction
mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
// Ensure that we loop
mlt_properties_set( MLT_PRODUCER_PROPERTIES( producer ), "eof", "loop" );
// Set the old resource
mlt_properties_set( properties, "_old_resource", resource );
}
}
if ( producer != NULL )
{
// Get the producer properties
mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
// Now pass all producer. properties on the filter down
mlt_properties_pass( producer_properties, properties, "producer." );
}
mlt_service_unlock( MLT_FILTER_SERVICE( this ) );
// Only continue if we have both producer and composite
if ( composite != NULL && producer != NULL )
{
// Get the service of the producer
mlt_service service = MLT_PRODUCER_SERVICE( producer );
// We will get the 'b frame' from the producer
mlt_frame b_frame = NULL;
// Get the original producer position
mlt_position position = mlt_filter_get_position( this, frame );
// Make sure the producer is in the correct position
mlt_producer_seek( producer, position );
// Resetting position to appease the composite transition
mlt_frame_set_position( frame, position );
// Get the b frame and process with composite if successful
if ( mlt_service_get_frame( service, &b_frame, 0 ) == 0 )
{
// Get the a and b frame properties
mlt_properties a_props = MLT_FRAME_PROPERTIES( frame );
mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame );
mlt_profile profile = mlt_service_profile( service );
// Set the b frame to be in the same position and have same consumer requirements
mlt_frame_set_position( b_frame, position );
mlt_properties_set_int( b_props, "consumer_deinterlace", mlt_properties_get_int( a_props, "consumer_deinterlace" ) || mlt_properties_get_int( properties, "deinterlace" ) );
// Check for the special case - no aspect ratio means no problem :-)
if ( mlt_frame_get_aspect_ratio( b_frame ) == 0 )
mlt_frame_set_aspect_ratio( b_frame, mlt_profile_sar( profile ) );
if ( mlt_frame_get_aspect_ratio( frame ) == 0 )
mlt_frame_set_aspect_ratio( frame, mlt_profile_sar( profile ) );
if ( mlt_properties_get_int( properties, "distort" ) )
{
mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( composite ), "distort", 1 );
mlt_properties_set_int( a_props, "distort", 1 );
mlt_properties_set_int( b_props, "distort", 1 );
}
*format = mlt_image_yuv422;
if ( mlt_properties_get_int( properties, "reverse" ) == 0 )
{
// Apply all filters that are attached to this filter to the b frame
mlt_service_apply_filters( MLT_FILTER_SERVICE( this ), b_frame, 0 );
// Process the frame
mlt_transition_process( composite, frame, b_frame );
// Get the image
error = mlt_frame_get_image( frame, image, format, width, height, 1 );
}
else
{
char temp[ 132 ];
int count = 0;
uint8_t *alpha = NULL;
const char *rescale = mlt_properties_get( a_props, "rescale.interp" );
if ( rescale == NULL || !strcmp( rescale, "none" ) )
rescale = "hyper";
mlt_transition_process( composite, b_frame, frame );
mlt_properties_set_int( a_props, "consumer_deinterlace", 1 );
mlt_properties_set_int( b_props, "consumer_deinterlace", 1 );
mlt_properties_set( a_props, "rescale.interp", rescale );
mlt_properties_set( b_props, "rescale.interp", rescale );
mlt_service_apply_filters( MLT_FILTER_SERVICE( this ), b_frame, 0 );
error = mlt_frame_get_image( b_frame, image, format, width, height, 1 );
alpha = mlt_frame_get_alpha_mask( b_frame );
mlt_frame_set_image( frame, *image, *width * *height * 2, NULL );
mlt_frame_set_alpha( frame, alpha, *width * *height, NULL );
mlt_properties_set_int( a_props, "width", *width );
mlt_properties_set_int( a_props, "height", *height );
mlt_properties_set_int( a_props, "progressive", 1 );
mlt_properties_inc_ref( b_props );
strcpy( temp, "_b_frame" );
while( mlt_properties_get_data( a_props, temp, NULL ) != NULL )
sprintf( temp, "_b_frame%d", count ++ );
mlt_properties_set_data( a_props, temp, b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
}
}
// Close the b frame
mlt_frame_close( b_frame );
}
else
{
// Get the image from the frame without running fx
error = mlt_frame_get_image( frame, image, format, width, height, 1 );
}
return error;
}
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
int error = 0;
// Obtain properties of frame and producer
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
producer_qimage self = mlt_properties_get_data( properties, "producer_qimage", NULL );
mlt_producer producer = &self->parent;
*width = mlt_properties_get_int( properties, "rescale_width" );
*height = mlt_properties_get_int( properties, "rescale_height" );
mlt_service_lock( MLT_PRODUCER_SERVICE( &self->parent ) );
// Refresh the image
self->qimage_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.qimage" );
self->qimage = mlt_cache_item_data( self->qimage_cache, NULL );
self->image_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.image" );
self->current_image = mlt_cache_item_data( self->image_cache, NULL );
self->alpha_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.alpha" );
self->current_alpha = mlt_cache_item_data( self->alpha_cache, NULL );
refresh_image( self, frame, *format, *width, *height );
// Get width and height (may have changed during the refresh)
*width = mlt_properties_get_int( properties, "width" );
*height = mlt_properties_get_int( properties, "height" );
*format = self->format;
// NB: Cloning is necessary with this producer (due to processing of images ahead of use)
// The fault is not in the design of mlt, but in the implementation of the qimage producer...
if ( self->current_image )
{
// Clone the image and the alpha
int image_size = mlt_image_format_size( self->format, self->current_width, self->current_height, NULL );
uint8_t *image_copy = mlt_pool_alloc( image_size );
memcpy( image_copy, self->current_image, image_size );
// Now update properties so we free the copy after
mlt_frame_set_image( frame, image_copy, image_size, mlt_pool_release );
// We're going to pass the copy on
*buffer = image_copy;
mlt_log_debug( MLT_PRODUCER_SERVICE( &self->parent ), "%dx%d (%s)\n",
self->current_width, self->current_height, mlt_image_format_name( *format ) );
// Clone the alpha channel
if ( self->current_alpha )
{
image_copy = mlt_pool_alloc( self->current_width * self->current_height );
memcpy( image_copy, self->current_alpha, self->current_width * self->current_height );
mlt_frame_set_alpha( frame, image_copy, self->current_width * self->current_height, mlt_pool_release );
}
}
else
{
error = 1;
}
// Release references and locks
mlt_cache_item_close( self->qimage_cache );
mlt_cache_item_close( self->image_cache );
mlt_cache_item_close( self->alpha_cache );
mlt_service_unlock( MLT_PRODUCER_SERVICE( &self->parent ) );
return error;
}
static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
int error = 0;
mlt_profile profile = mlt_frame_pop_service( frame );
// Get the properties from the frame
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Correct Width/height if necessary
if ( *width == 0 || *height == 0 )
{
*width = profile->width;
*height = profile->height;
}
int left = mlt_properties_get_int( properties, "crop.left" );
int right = mlt_properties_get_int( properties, "crop.right" );
int top = mlt_properties_get_int( properties, "crop.top" );
int bottom = mlt_properties_get_int( properties, "crop.bottom" );
// Request the image at its original resolution
if ( left || right || top || bottom )
{
mlt_properties_set_int( properties, "rescale_width", mlt_properties_get_int( properties, "crop.original_width" ) );
mlt_properties_set_int( properties, "rescale_height", mlt_properties_get_int( properties, "crop.original_height" ) );
}
// Now get the image
error = mlt_frame_get_image( frame, image, format, width, height, writable );
int owidth = *width - left - right;
int oheight = *height - top - bottom;
owidth = owidth < 0 ? 0 : owidth;
oheight = oheight < 0 ? 0 : oheight;
if ( ( owidth != *width || oheight != *height ) &&
error == 0 && *image != NULL && owidth > 0 && oheight > 0 )
{
int bpp;
// Subsampled YUV is messy and less precise.
if ( *format == mlt_image_yuv422 && frame->convert_image )
{
mlt_image_format requested_format = mlt_image_rgb24;
frame->convert_image( frame, image, format, requested_format );
}
mlt_log_debug( NULL, "[filter crop] %s %dx%d -> %dx%d\n", mlt_image_format_name(*format),
*width, *height, owidth, oheight);
// Provides a manual override for misreported field order
if ( mlt_properties_get( properties, "meta.top_field_first" ) )
{
mlt_properties_set_int( properties, "top_field_first", mlt_properties_get_int( properties, "meta.top_field_first" ) );
mlt_properties_set_int( properties, "meta.top_field_first", 0 );
}
if ( top % 2 )
mlt_properties_set_int( properties, "top_field_first", !mlt_properties_get_int( properties, "top_field_first" ) );
// Create the output image
int size = mlt_image_format_size( *format, owidth, oheight, &bpp );
uint8_t *output = mlt_pool_alloc( size );
if ( output )
{
// Call the generic resize
crop( *image, output, bpp, *width, *height, left, right, top, bottom );
// Now update the frame
mlt_frame_set_image( frame, output, size, mlt_pool_release );
*image = output;
}
// We should resize the alpha too
uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
int alpha_size = 0;
mlt_properties_get_data( properties, "alpha", &alpha_size );
if ( alpha && alpha_size >= ( *width * *height ) )
{
uint8_t *newalpha = mlt_pool_alloc( owidth * oheight );
if ( newalpha )
{
crop( alpha, newalpha, 1, *width, *height, left, right, top, bottom );
mlt_frame_set_alpha( frame, newalpha, owidth * oheight, mlt_pool_release );
}
}
*width = owidth;
*height = oheight;
}
return error;
}
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
int error = 0;
/* Obtain properties of frame */
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
/* Obtain the producer for this frame */
producer_ktitle self = mlt_properties_get_data( properties, "producer_kdenlivetitle", NULL );
/* Obtain properties of producer */
mlt_producer producer = &self->parent;
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
if ( mlt_properties_get_int( properties, "rescale_width" ) > 0 )
*width = mlt_properties_get_int( properties, "rescale_width" );
if ( mlt_properties_get_int( properties, "rescale_height" ) > 0 )
*height = mlt_properties_get_int( properties, "rescale_height" );
mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
/* Allocate the image */
if ( mlt_properties_get_int( producer_props, "force_reload" ) ) {
if ( mlt_properties_get_int( producer_props, "force_reload" ) > 1 ) read_xml( producer_props );
mlt_properties_set_int( producer_props, "force_reload", 0 );
drawKdenliveTitle( self, frame, *format, *width, *height, mlt_frame_original_position( frame ), 1 );
}
else
{
drawKdenliveTitle( self, frame, *format, *width, *height, mlt_frame_original_position( frame ), 0 );
}
// Get width and height (may have changed during the refresh)
*width = mlt_properties_get_int( properties, "width" );
*height = mlt_properties_get_int( properties, "height" );
*format = self->format;
if ( self->current_image )
{
// Clone the image and the alpha
int image_size = mlt_image_format_size( self->format, self->current_width, self->current_height, NULL );
uint8_t *image_copy = mlt_pool_alloc( image_size );
// We use height-1 because mlt_image_format_size() uses height + 1.
// XXX Remove -1 when mlt_image_format_size() is changed.
memcpy( image_copy, self->current_image,
mlt_image_format_size( self->format, self->current_width, self->current_height - 1, NULL ) );
// Now update properties so we free the copy after
mlt_frame_set_image( frame, image_copy, image_size, mlt_pool_release );
// We're going to pass the copy on
*buffer = image_copy;
// Clone the alpha channel
if ( self->current_alpha )
{
image_copy = mlt_pool_alloc( self->current_width * self->current_height );
memcpy( image_copy, self->current_alpha, self->current_width * self->current_height );
mlt_frame_set_alpha( frame, image_copy, self->current_width * self->current_height, mlt_pool_release );
}
}
else
{
error = 1;
}
mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
return error;
}
static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
{
// Get the filter
mlt_filter filter = mlt_frame_pop_service( frame );
// Get the properties
mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
// Get the image
int error = 0;
*format = mlt_image_rgb24a;
// Only process if we have no error and a valid colour space
if ( error == 0 )
{
mlt_service_lock( MLT_FILTER_SERVICE( filter ) );
mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
mlt_transition transition = mlt_properties_get_data( properties, "transition", NULL );
mlt_frame a_frame = NULL;
mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
if ( producer == NULL )
{
char *background = mlt_properties_get( properties, "background" );
producer = mlt_factory_producer( profile, NULL, background );
mlt_properties_set_data( properties, "producer", producer, 0, (mlt_destructor)mlt_producer_close, NULL );
}
if ( transition == NULL )
{
transition = mlt_factory_transition( profile, "affine", NULL );
mlt_properties_set_data( properties, "transition", transition, 0, (mlt_destructor)mlt_transition_close, NULL );
if ( transition )
mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( transition ), "b_alpha", 1 );
}
if ( producer != NULL && transition != NULL )
{
mlt_position position = mlt_filter_get_position( filter, frame );
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
mlt_position in = mlt_filter_get_in( filter );
mlt_position out = mlt_filter_get_out( filter );
double consumer_ar = mlt_profile_sar( profile );
mlt_transition_set_in_and_out( transition, in, out );
if ( out > 0 ) {
mlt_properties_set_position( MLT_PRODUCER_PROPERTIES( producer ), "length", out - in + 1 );
mlt_producer_set_in_and_out( producer, in, out );
}
mlt_producer_seek( producer, in + position );
mlt_frame_set_position( frame, position );
mlt_properties_pass( MLT_PRODUCER_PROPERTIES( producer ), properties, "producer." );
mlt_properties_pass( MLT_TRANSITION_PROPERTIES( transition ), properties, "transition." );
mlt_service_get_frame( MLT_PRODUCER_SERVICE( producer ), &a_frame, 0 );
mlt_frame_set_position( a_frame, in + position );
// Special case - aspect_ratio = 0
if ( mlt_frame_get_aspect_ratio( frame ) == 0 )
mlt_frame_set_aspect_ratio( frame, consumer_ar );
if ( mlt_frame_get_aspect_ratio( a_frame ) == 0 )
mlt_frame_set_aspect_ratio( a_frame, consumer_ar );
// Add the affine transition onto the frame stack
mlt_service_unlock( MLT_FILTER_SERVICE( filter ) );
mlt_transition_process( transition, a_frame, frame );
if ( mlt_properties_get_int( properties, "use_normalised" ) )
{
// Use the normalised width & height
mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
*width = profile->width;
*height = profile->height;
}
mlt_frame_get_image( a_frame, image, format, width, height, writable );
mlt_properties_set_data( frame_properties, "affine_frame", a_frame, 0, (mlt_destructor)mlt_frame_close, NULL );
mlt_frame_set_image( frame, *image, *width * *height * 4, NULL );
mlt_frame_set_alpha( frame, mlt_frame_get_alpha_mask( a_frame ), *width * *height, NULL );
}
else
{
mlt_service_unlock( MLT_FILTER_SERVICE( filter ) );
}
}
return error;
}
static int convert_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, mlt_image_format output_format )
{
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
int width = mlt_properties_get_int( properties, "width" );
int height = mlt_properties_get_int( properties, "height" );
int error = 0;
if ( *format != output_format )
{
mlt_profile profile = mlt_service_profile(
MLT_PRODUCER_SERVICE( mlt_frame_get_original_producer( frame ) ) );
int profile_colorspace = profile ? profile->colorspace : 601;
int colorspace = mlt_properties_get_int( properties, "colorspace" );
int force_full_luma = 0;
mlt_log_debug( NULL, "[filter avcolor_space] %s -> %s @ %dx%d space %d->%d\n",
mlt_image_format_name( *format ), mlt_image_format_name( output_format ),
width, height, colorspace, profile_colorspace );
int in_fmt = convert_mlt_to_av_cs( *format );
int out_fmt = convert_mlt_to_av_cs( output_format );
int size = FFMAX( avpicture_get_size( out_fmt, width, height ),
mlt_image_format_size( output_format, width, height, NULL ) );
uint8_t *output = mlt_pool_alloc( size );
if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
{
register int len = width * height;
uint8_t *alpha = mlt_pool_alloc( len );
if ( alpha )
{
// Extract the alpha mask from the RGBA image using Duff's Device
register uint8_t *s = *image + 3; // start on the alpha component
register uint8_t *d = alpha;
register int n = ( len + 7 ) / 8;
switch ( len % 8 )
{
case 0: do { *d++ = *s; s += 4;
case 7: *d++ = *s; s += 4;
case 6: *d++ = *s; s += 4;
case 5: *d++ = *s; s += 4;
case 4: *d++ = *s; s += 4;
case 3: *d++ = *s; s += 4;
case 2: *d++ = *s; s += 4;
case 1: *d++ = *s; s += 4;
}
while ( --n > 0 );
}
mlt_frame_set_alpha( frame, alpha, len, mlt_pool_release );
}
}
// Update the output
if ( !av_convert_image( output, *image, out_fmt, in_fmt, width, height,
colorspace, profile_colorspace, force_full_luma ) )
{
// The new colorspace is only valid if destination is YUV.
if ( output_format == mlt_image_yuv422 || output_format == mlt_image_yuv420p )
mlt_properties_set_int( properties, "colorspace", profile_colorspace );
}
*image = output;
*format = output_format;
mlt_frame_set_image( frame, output, size, mlt_pool_release );
mlt_properties_set_int( properties, "format", output_format );
if ( output_format == mlt_image_rgb24a || output_format == mlt_image_opengl )
{
register int len = width * height;
int alpha_size = 0;
uint8_t *alpha = mlt_frame_get_alpha( frame );
mlt_properties_get_data( properties, "alpha", &alpha_size );
if ( alpha && alpha_size >= len )
{
// Merge the alpha mask from into the RGBA image using Duff's Device
register uint8_t *s = alpha;
register uint8_t *d = *image + 3; // start on the alpha component
register int n = ( len + 7 ) / 8;
switch ( len % 8 )
{
case 0: do { *d = *s++; d += 4;
case 7: *d = *s++; d += 4;
case 6: *d = *s++; d += 4;
case 5: *d = *s++; d += 4;
case 4: *d = *s++; d += 4;
case 3: *d = *s++; d += 4;
case 2: *d = *s++; d += 4;
case 1: *d = *s++; d += 4;
}
while ( --n > 0 );
}
}
}
}
return error;
}
static int convert_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, mlt_image_format output_format )
{
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
int width = mlt_properties_get_int( properties, "width" );
int height = mlt_properties_get_int( properties, "height" );
int error = 0;
if ( *format != output_format )
{
int colorspace = mlt_properties_get_int( properties, "colorspace" );
int force_full_luma = -1;
mlt_log_debug( NULL, "[filter avcolor_space] %s -> %s @ %dx%d space %d\n",
mlt_image_format_name( *format ), mlt_image_format_name( output_format ),
width, height, colorspace );
int in_fmt = convert_mlt_to_av_cs( *format );
int out_fmt = convert_mlt_to_av_cs( output_format );
int size = FFMAX( avpicture_get_size( out_fmt, width, height ),
mlt_image_format_size( output_format, width, height, NULL ) );
uint8_t *output = mlt_pool_alloc( size );
if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
{
register int len = width * height;
uint8_t *alpha = mlt_pool_alloc( len );
if ( alpha )
{
// Extract the alpha mask from the RGBA image using Duff's Device
register uint8_t *s = *image + 3; // start on the alpha component
register uint8_t *d = alpha;
register int n = ( len + 7 ) / 8;
switch ( len % 8 )
{
case 0: do { *d++ = *s; s += 4;
case 7: *d++ = *s; s += 4;
case 6: *d++ = *s; s += 4;
case 5: *d++ = *s; s += 4;
case 4: *d++ = *s; s += 4;
case 3: *d++ = *s; s += 4;
case 2: *d++ = *s; s += 4;
case 1: *d++ = *s; s += 4;
}
while ( --n > 0 );
}
mlt_frame_set_alpha( frame, alpha, len, mlt_pool_release );
}
}
// Update the output
if ( *format == mlt_image_yuv422 && mlt_properties_get( properties, "force_full_luma" )
&& ( output_format == mlt_image_rgb24 || output_format == mlt_image_rgb24a ) )
{
// By removing the frame property we only permit the luma to skip scaling once.
// Thereafter, we let swscale scale the luma range as it pleases since it seems
// we do not have control over the RGB to YUV conversion.
force_full_luma = mlt_properties_get_int( properties, "force_full_luma" );
mlt_properties_set( properties, "force_full_luma", NULL );
}
av_convert_image( output, *image, out_fmt, in_fmt, width, height, colorspace, force_full_luma );
*image = output;
*format = output_format;
mlt_frame_set_image( frame, output, size, mlt_pool_release );
mlt_properties_set_int( properties, "format", output_format );
if ( output_format == mlt_image_rgb24a || output_format == mlt_image_opengl )
{
register int len = width * height;
int alpha_size = 0;
uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
mlt_properties_get_data( properties, "alpha", &alpha_size );
if ( alpha && alpha_size >= len )
{
// Merge the alpha mask from into the RGBA image using Duff's Device
register uint8_t *s = alpha;
register uint8_t *d = *image + 3; // start on the alpha component
register int n = ( len + 7 ) / 8;
switch ( len % 8 )
{
case 0: do { *d = *s++; d += 4;
case 7: *d = *s++; d += 4;
case 6: *d = *s++; d += 4;
case 5: *d = *s++; d += 4;
case 4: *d = *s++; d += 4;
case 3: *d = *s++; d += 4;
case 2: *d = *s++; d += 4;
case 1: *d = *s++; d += 4;
}
while ( --n > 0 );
}
}
}
}
return error;
}
