output->unlock_canvas();
output->mwindow->playback_3d->write_buffer(output, output_frame,
output_x1, output_y1, output_x2, output_y2,
canvas_x1, canvas_y1, canvas_x2, canvas_y2,
is_cleared);
is_cleared = 0;
output->unlock_canvas();
output->mwindow->playback_3d->write_buffer(output, output_frame,
output_x1, output_y1, output_x2, output_y2,
canvas_x1, canvas_y1, canvas_x2, canvas_y2,
is_cleared);
is_cleared = 0;