decode() [1/3]

FramePtr fl::Jpeg::decode ( const JpegConfig & config, fl::span< const fl::u8 > data, fl::string * error_message = nullptr )

static

Definition at line 343 of file jpeg.cpp.hpp.

                                                                                                             {
    auto decoder = createDecoder(config);
    auto stream = fl::make_shared<fl::memorybuf>(data.size());
    stream->write(data);
 
    if (!decoder->begin(stream)) {
        if (error_message) {
            decoder->hasError(error_message);
        }
        return nullptr;
    }
 
    DecodeResult result = decoder->decode();
    if (result != DecodeResult::Success) {
        if (error_message) {
            decoder->hasError(error_message);
        }
        return nullptr;
    }
 
    Frame frame = decoder->getCurrentFrame();
    return frame.isValid() ? fl::make_shared<Frame>(frame) : nullptr;
}

References createDecoder(), decode(), fl::FL_NO_EXCEPT, fl::Frame::isValid(), fl::adl_barrier::make_shared(), and fl::Success.

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