Zoom General

// Subscribe to raw audio
class AudioRawDataDelegate : public IZoomSDKAudioRawDataDelegate {
public:
    void onMixedAudioRawDataReceived(AudioRawData *data) override {
        // Format: 16-bit PCM, 16kHz or 32kHz, mono
        std::ofstream file("meeting.pcm", std::ios::binary | std::ios::app);
        file.write(data->GetBuffer(), data->GetBufferLen());
    }
};

// Subscribe to raw video
class VideoRawDataDelegate : public IZoomSDKRendererDelegate {
public:
    void onRawDataFrameReceived(YUVRawDataI420 *data) override {
        // Format: I420 (YUV 4:2:0) - contiguous planar data
        int width = data->GetStreamWidth();
        int height = data->GetStreamHeight();

        // Write raw YUV to file (can convert with ffmpeg later)
        yuvFile.write(data->GetYBuffer(), width * height);
        yuvFile.write(data->GetUBuffer(), (width/2) * (height/2));
        yuvFile.write(data->GetVBuffer(), (width/2) * (height/2));
    }
};

// Enable raw recording
auto recCtl = m_meetingService->GetMeetingRecordingController();
recCtl->StartRawRecording();

// Subscribe
GetAudioRawdataHelper()->subscribe(new AudioRawDataDelegate());
GetRawdataRendererHelper()->subscribe(userId, RAW_DATA_TYPE_VIDEO, new VideoRawDataDelegate());

# Play raw YUV video (adjust dimensions to match output)
ffplay -video_size 640x360 -pixel_format yuv420p -f rawvideo video.yuv

# Convert YUV to MP4
ffmpeg -video_size 640x360 -pixel_format yuv420p -f rawvideo -i video.yuv -c:v libx264 output.mp4

# Play raw PCM audio
ffplay -f s16le -ar 32000 -ac 1 audio.pcm

# Combine video + audio
ffmpeg -video_size 640x360 -pixel_format yuv420p -f rawvideo -i video.yuv \
       -f s16le -ar 32000 -ac 1 -i audio.pcm \
       -c:v libx264 -c:a aac -shortest output.mp4

// Same API as Linux
// Subscribe to raw data after joining meeting
auto* pRawDataHelper = GetAudioRawdataHelper();
pRawDataHelper->subscribe(new AudioRawDataDelegate());

auto* pVideoHelper = GetRawdataRendererHelper();
pVideoHelper->setRawDataResolution(ZoomSDKResolution_720P);
pVideoHelper->subscribe(userId, RAW_DATA_TYPE_VIDEO, new VideoRawDataDelegate());

// Get raw data controller
let rawDataCtrl = ZoomSDK.shared().getRawDataController()

// Subscribe to audio
rawDataCtrl?.subscribeAudioRawData { audioData in
    // Process PCM audio
    let buffer = audioData.getBuffer()
    let length = audioData.getBufferLen()
}

// Subscribe to video
rawDataCtrl?.subscribeVideoRawData(forUser: userId) { videoData in
    // Process YUV frames
    let width = videoData.getStreamWidth()
    let height = videoData.getStreamHeight()
}

// Video raw data via ZoomVideoSDKVideoCanvas
let canvas = ZoomVideoSDKVideoCanvas()
canvas.delegate = self

// Implement delegate
func onRawDataFrameReceived(_ pixelBuffer: CVPixelBuffer) {
    // Process video frame
    // Note: Performance-intensive on mobile
}

// Video raw data via ZoomVideoSDKVideoCanvas
val canvas = ZoomVideoSDKVideoCanvas(context)
canvas.setDelegate(object : ZoomVideoSDKRawDataPipeDelegate {
    override fun onRawDataFrameReceived(rawData: ZoomVideoSDKVideoRawData) {
        // Process YUV frame
        // Note: Performance-intensive on mobile
    }
})