/*
 * MIT License
 *
 * Copyright (c) 2016 xiongziliang <771730766@qq.com>
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#include "H264.h"
#include "H264/SPSParser.h"
#include "Util/logger.h"
using namespace toolkit;

namespace mediakit{

bool getAVCInfo(const string& strSps,int &iVideoWidth, int &iVideoHeight, float  &iVideoFps) {
    return getAVCInfo(strSps.data(),strSps.size(),iVideoWidth,iVideoHeight,iVideoFps);
}
bool getAVCInfo(const char * sps,int sps_len,int &iVideoWidth, int &iVideoHeight, float  &iVideoFps){
    T_GetBitContext tGetBitBuf;
    T_SPS tH264SpsInfo;
    memset(&tGetBitBuf,0,sizeof(tGetBitBuf));
    memset(&tH264SpsInfo,0,sizeof(tH264SpsInfo));
    tGetBitBuf.pu8Buf = (uint8_t*)sps + 1;
    tGetBitBuf.iBufSize = sps_len - 1;
    if(0 != h264DecSeqParameterSet((void *) &tGetBitBuf, &tH264SpsInfo)){
        return false;
    }
    h264GetWidthHeight(&tH264SpsInfo, &iVideoWidth, &iVideoHeight);
    h264GeFramerate(&tH264SpsInfo, &iVideoFps);
    //ErrorL << iVideoWidth << " " << iVideoHeight << " " << iVideoFps;
    return true;
}

}//namespace mediakit