videostreamer.h

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/********************************************************************************************
* Twitch Broadcasting SDK
*
* This software is supplied under the terms of a license agreement with Twitch Interactive, Inc. and
* may not be copied or used except in accordance with the terms of that agreement
* Copyright (c) 2012-2016 Twitch Interactive, Inc.
*********************************************************************************************/

#pragma once

#include "twitchsdk/broadcast/broadcasttypes.h"
#include <memory>

namespace ttv
{
    class IThread;

    namespace broadcast
    {
        class IVideoEncoder;
        class VideoFrameQueue;
        class IVideoCapture;
        class VideoStreamer;
        class VideoFrame;
        class FlvMuxer;
    }
}

class ttv::broadcast::VideoStreamer
{
public:
    VideoStreamer();
    ~VideoStreamer();

public:
    TTV_ErrorCode SetEncoder(const std::shared_ptr<IVideoEncoder>& encoder);
    TTV_ErrorCode SetCapturer(const std::shared_ptr<IVideoCapture>& capturer);
    TTV_ErrorCode Initialize(const VideoParams& videoParams);
    TTV_ErrorCode StartCapture();
    TTV_ErrorCode ProcessFrame(const std::shared_ptr<VideoFrame>& videoFrame);
    TTV_ErrorCode Stop();

    TTV_ErrorCode ValidateVideoParams(const VideoParams& videoParams) const;

    void SetInitialTime(uint64_t initialTime);

    std::string GetEncoderName() const;

private:
    TTV_ErrorCode OpenVideo(const VideoParams* videoParams);
    void ProcessFrameQueue();

private:
    uint64_t mInitialTime;  

    volatile bool mDoProcessing;

    std::shared_ptr<IVideoEncoder> mVideoEncoder;
    std::shared_ptr<IVideoCapture> mVideoCapturer;
    std::unique_ptr<VideoFrameQueue> mFrameQueue;
    std::shared_ptr<IThread> mFrameQueueThread;
    VideoParams mVideoParams;
};