From d979bf53d93dc3feb6697a519b12a0bc2756d18f Mon Sep 17 00:00:00 2001 From: xuxiuxi <554325746@qq.com> Date: 星期四, 14 三月 2019 10:38:46 +0800 Subject: [PATCH] Merge branch 'yw.1.2.fixbug' of http://192.168.1.226:10010/r/development/c++ into yw.1.2.fixbug --- QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp | 75 +++++++++++++++++++++++++++---------- 1 files changed, 54 insertions(+), 21 deletions(-) diff --git a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp index 81d4fa7..2d5455d 100644 --- a/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp +++ b/QiaoJiaSystem/GB28181DecoderModel/FFmpegDecoderJPG.cpp @@ -153,9 +153,18 @@ p_this->ic->pb = p_this->avio; int err = av_probe_input_buffer(p_this->ic->pb, &p_this->ic->iformat, nullptr, nullptr, 0, p_this->m_buf_size); - int err1 = avformat_open_input(&p_this->ic, "", NULL, NULL); + if(err){ + ERR("av_probe_input_buffer" << err); + } + err = avformat_open_input(&p_this->ic, "", NULL, NULL); + if(err){ + ERR("avformat_open_input" << err); + } // int err2 = avformat_find_stream_info(ic, nullptr); - int err2 = avformat_find_stream_info(p_this->ic, NULL); + err = avformat_find_stream_info(p_this->ic, NULL); + if(err){ + ERR("avformat_find_stream_info" << err); + } int vi = -1; for (int i = 0; i < p_this->ic->nb_streams; ++i) { if (p_this->ic->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { @@ -379,7 +388,7 @@ delete iter->m_packet.data; iter = m_packetsVec.erase(iter); while (!(iter->m_packet.flags & AV_PKT_FLAG_KEY)) { -// INFO("DropFrame: " << iter->m_frameId); + INFO("DropFrame: " << iter->m_frameId); delete iter->m_packet.data; iter = m_packetsVec.erase(iter); } @@ -390,15 +399,17 @@ bool BASICGB28181::FFmpegDecoderJPG::SaveVideo(std::string path, int64_t lastFrameId) { std::lock_guard<std::mutex> lock(g_mutex); - INFO("SaveVideo: " << path); + INFO("SaveVideo: " << path << "m_packetsVec.size : " <<m_packetsVec.size()); if (!m_packetsVec.empty()) { startWrite(path.c_str()); int64_t firstKeyFramePts = m_packetsVec[0].m_packet.pts; int64_t firstKeyFrameDts = m_packetsVec[0].m_packet.dts; + unsigned long int frame_index = 0; for (const auto &item:m_packetsVec) { if (item.m_frameId < lastFrameId) { DBG("item.m_frameId < lastFrameId " << item.m_frameId << " " << lastFrameId); - conversion(const_cast<AVPacket *> (&item.m_packet), firstKeyFramePts, firstKeyFrameDts, video_st); + conversion(const_cast<AVPacket *> (&item.m_packet), firstKeyFramePts, firstKeyFrameDts, video_st, frame_index); + frame_index++; av_write_frame(m_pOutFmtCtx, &item.m_packet); } else { DBG("item.m_frameId > lastFrameId " << item.m_frameId << " " << lastFrameId); @@ -521,11 +532,12 @@ int BASICGB28181::FFmpegDecoderJPG::stopWrite() { if (m_pOutFmtCtx == nullptr) return -1; av_write_trailer(m_pOutFmtCtx); - avio_close(m_pOutFmtCtx->pb); + avcodec_close(m_pOutFmtCtx->streams[0]->codec); av_freep(&m_pOutFmtCtx->streams[0]->codec); av_freep(&m_pOutFmtCtx->streams[0]); + avio_close(m_pOutFmtCtx->pb); av_free(m_pOutFmtCtx); m_pOutFmtCtx = nullptr; m_bstartWrite = false; @@ -534,23 +546,44 @@ void BASICGB28181::FFmpegDecoderJPG::conversion(void *packet, const long int &firstKeyPts, const long int &firstKeyDts, - void *inVideoStream) { + void *inVideoStream, unsigned long int frame_index) { if ((packet != nullptr) && (inVideoStream != nullptr)) { AVStream *inStream = (AVStream *) inVideoStream; AVPacket *pkg = static_cast<AVPacket *>(packet); -// static int a = 0; -// pkg->dts = a++; -// pkg->pts = a; - pkg->pts -= firstKeyPts; - pkg->dts -= firstKeyDts; - pkg->pts = av_rescale_q_rnd(pkg->pts, inStream->time_base, - m_pOutVideo_stream->time_base, - (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX)); - pkg->dts = av_rescale_q_rnd(pkg->dts, inStream->time_base, - m_pOutVideo_stream->time_base, - (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX)); - pkg->duration = av_rescale_q(pkg->duration, inStream->time_base, - m_pOutVideo_stream->time_base); - pkg->pos = -1; +// static unsigned long int frame_index = 0 +// pkg->dts = ++frame_index; +// pkg->pts = frame_index; + + //todo +// if(pkg->pts==AV_NOPTS_VALUE){ + DBG("frame_index==%d\n" << frame_index); + //Write PTS + AVRational time_base1=inStream->time_base; + //Duration between 2 frames (us) + int64_t calc_duration=(double)AV_TIME_BASE/av_q2d(inStream->r_frame_rate); + //Parameters + pkg->pts=(double)(frame_index*calc_duration)/(double)(av_q2d(time_base1)*AV_TIME_BASE); + pkg->dts=pkg->pts; + pkg->duration=(double)calc_duration/(double)(av_q2d(time_base1)*AV_TIME_BASE); +// frame_index++; +// } +// else{ +// DBG("pts" << pkg->pts << "firstKeyPts" << firstKeyPts); +// DBG("dts" << pkg->dts << "firstKeyDts" << firstKeyDts); +// pkg->pts -= firstKeyPts; +// pkg->dts -= firstKeyDts; +// pkg->pts = av_rescale_q_rnd(pkg->pts, inStream->time_base, +// m_pOutVideo_stream->time_base, +// (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX)); +// pkg->dts = av_rescale_q_rnd(pkg->dts, inStream->time_base, +// m_pOutVideo_stream->time_base, +// (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX)); +// pkg->duration = av_rescale_q(pkg->duration, inStream->time_base, +// m_pOutVideo_stream->time_base); +// pkg->pos = -1; +// } + + DBG("pts:" << pkg->pts); + DBG("dts:" << pkg->dts); } } \ No newline at end of file -- Gitblit v1.8.0