Method GetFrame

src/QtTextReader.cpp:164–190

Get an openshot::Frame object for a specific frame number of this reader.

// Get an openshot::Frame object for a specific frame number of this reader.
std::shared_ptr<Frame> QtTextReader::GetFrame(int64_t requested_frame)
{
	// Create a scoped lock, allowing only a single thread to run the following code at one time
	const std::lock_guard<std::recursive_mutex> lock(getFrameMutex);

	auto sample_count = Frame::GetSamplesPerFrame(requested_frame, info.fps, info.sample_rate, info.channels);

	if (image)
	{
		// Create or get frame object
		auto image_frame = std::make_shared<Frame>(
			requested_frame, image->size().width(), image->size().height(),
			background_color, sample_count, info.channels);

		// Add Image data to frame
		image_frame->AddImage(image);

		// return frame object
		return image_frame;
	} else {
		// return empty frame
		auto image_frame = std::make_shared<Frame>(1, 640, 480, background_color, sample_count, info.channels);

		// return frame object
		return image_frame;
	}
}

// Generate JSON string of this object
std::string QtTextReader::Json() const {