ivideoencoderplugin.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 "broadcasttypes.h"
#include "twitchsdk/core/types/errortypes.h"


class ITTVBuffer
{
public:
    virtual size_t Append(uint8_t* data, size_t dataSize) = 0;
    virtual size_t Reserve(size_t newSize) = 0;
    virtual uint8_t* Data() = 0;
    virtual const uint8_t* Data() const = 0;
    virtual size_t Size() = 0;
};


class ITTVPluginVideoEncoder
{
public:
    struct EncodeInput
    {
        const uint8_t* source;

        const uint8_t* yuvPlanes[4];

        uint64_t timeStamp;
    };
    struct EncodeOutput
    {
        ITTVBuffer* frameData;

        bool isKeyFrame;
        
        uint64_t frameTimeStamp;
    };

    virtual TTV_ErrorCode Start(const ttv::broadcast::VideoParams& videoParams) = 0;

    virtual TTV_ErrorCode EncodeFrame(const EncodeInput& input, EncodeOutput& output) = 0;

    virtual TTV_ErrorCode GetSpsPps(ITTVBuffer* outSps, ITTVBuffer* outPps) = 0;

    virtual ttv::broadcast::YUVFormat GetRequiredYUVFormat() const = 0;

    virtual const char* GetName() const = 0;

};