/*
* Copyright (c) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

#ifndef VIDEOPROCESSING_SAMPLEINFO_H
#define VIDEOPROCESSING_SAMPLEINFO_H

#include <cstdint>
#include <multimedia/player_framework/native_avcodec_videoencoder.h>
#include <native_buffer/buffer_common.h>
#include <string>
#include <condition_variable>
#include <queue>
#include <native_buffer/native_buffer.h>
#include <multimedia/player_framework/native_avcodec_base.h>
#include <multimedia/player_framework/native_avbuffer.h>
#include "napi/native_api.h"

const std::string_view MIME_VIDEO_AVC = "video/avc";
const std::string_view MIME_VIDEO_HEVC = "video/hevc";
const std::string_view MIME_AUDIO_MPEG = "audio/mpeg";

constexpr int32_t BITRATE_10M = 10 * 1024 * 1024; //10Mbps
constexpr int32_t BITRATE_20M = 20 * 1024 * 1024; //20Mbps
constexpr int32_t BITRATE_30M = 30 * 1024 * 1024; //30Mbps

struct CallbackContext {
    napi_env env = nullptr;
    napi_ref callbackRef = nullptr;
    int8_t code = 0;
};

struct SampleInfo {
    int32_t inputFd = -1;
    int32_t outputFd = -1;
    int64_t inputFileOffset = 0;
    int64_t inputFileSize = 0;
    std::string inputFilePath;
    
    std::string videoCodecMime = "";
    std::string audioCodecMime = "";
    int32_t videoWidth = 0;
    int32_t videoHeight = 0;
    double frameRate = 0.0;
    int64_t bitrate = 10 * 1024 * 1024; // 10Mbps
    int64_t frameInterval = 0;
    OH_AVPixelFormat pixelFormat = AV_PIXEL_FORMAT_NV12;
    uint32_t bitrateMode = CBR;
    int32_t iFrameInterval = 100;
    int32_t rangFlag = 1;
    
    int32_t audioSampleFormat = 0;
    int32_t audioSampleRate = 0;
    int32_t audioChannelCount = 0;
    int64_t audioChannelLayout = 0;
    
    int32_t videoIndex = 0;
    int8_t processType = 0; //0none，1scale，2meta，3color
    
    int32_t isHDRVivid = 0;
    int32_t hevcProfile = HEVC_PROFILE_MAIN;
    OH_ColorPrimary primary = COLOR_PRIMARY_BT2020;
    OH_TransferCharacteristic transfer = TRANSFER_CHARACTERISTIC_PQ;
    OH_MatrixCoefficient matrix = MATRIX_COEFFICIENT_BT2020_CL;
    
    int32_t rotation = 0;
    OHNativeWindow *window = nullptr;
    int8_t zoomLevel;
    int8_t metaData = OH_VIDEO_NONE;
    OH_NativeBuffer_ColorSpace colorSpace = OH_COLORSPACE_BT709_LIMIT;
    OH_NativeBuffer_Format format = NATIVEBUFFER_PIXEL_FMT_YCBCR_P010;
    
    int8_t vpErrorCode = 0;
    void (*playDoneCallback)(void *context) = nullptr;
    void *playDoneCallbackData = nullptr;
};

struct CodecBufferInfo {
    uint32_t bufferIndex = 0;
    uintptr_t *buffer = nullptr;
    uint8_t *bufferAddr = nullptr;
    OH_AVCodecBufferAttr attr = {0, 0, 0, AVCODEC_BUFFER_FLAGS_NONE};
    
    explicit CodecBufferInfo(uint8_t *addr): bufferAddr(addr){};
    CodecBufferInfo(uint8_t *addr, int32_t bufferSize)
        : bufferAddr(addr), attr({0, bufferSize, 0, AVCODEC_BUFFER_FLAGS_NONE}){};
    CodecBufferInfo(int32_t argBufferIndex, OH_AVBuffer *argBuffer)
        : bufferIndex(argBufferIndex), buffer(reinterpret_cast<uintptr_t *>(argBuffer))
    {
        OH_AVBuffer_GetBufferAttr(argBuffer, &attr);
    };
};

struct CodecUserData {
public:
    SampleInfo *sampleInfo = nullptr;
    uint32_t inputFrameCount = 0;
    std::mutex inputMutex;
    std::condition_variable inputCond;
    std::queue<CodecBufferInfo> inputBufferInfoQueue;

    uint32_t outputFrameCount = 0;
    std::mutex outputMutex;
    std::condition_variable outputCond;
    std::mutex renderMutex;
    std::condition_variable renderCond;
    std::queue<CodecBufferInfo> outputBufferInfoQueue;

    std::queue<unsigned char> renderQueue;
};

#endif //VIDEOPROCESSING_SAMPLEINFO_H