From eba319d23b87c72dfe3ac4b40f7283bfad858c33 Mon Sep 17 00:00:00 2001 From: zhangmeng <775834166@qq.com> Date: 星期三, 23 十月 2019 15:41:49 +0800 Subject: [PATCH] update --- csrc/ffmpeg/format/FormatIn.cpp | 52 ++++++++++++++++++++++++++++++++++++---------------- 1 files changed, 36 insertions(+), 16 deletions(-) diff --git a/csrc/ffmpeg/format/FormatIn.cpp b/csrc/ffmpeg/format/FormatIn.cpp index 6313eda..f130419 100644 --- a/csrc/ffmpeg/format/FormatIn.cpp +++ b/csrc/ffmpeg/format/FormatIn.cpp @@ -47,13 +47,17 @@ io_ctx_ = NULL; } if(ctx_){ - avformat_close_input(&ctx_); - avformat_free_context(ctx_); + if (!ctx_->oformat){ + avformat_free_context(ctx_); + }else{ + avformat_close_input(&ctx_); + } ctx_ = NULL; if(dec_ctx_){ avcodec_close(dec_ctx_); dec_ctx_ = NULL; } + } if (handle_gb28181){ delete handle_gb28181; @@ -80,10 +84,9 @@ } ctx_->pb = io_ctx_; - auto err = av_probe_input_buffer(ctx_->pb, &ctx_->iformat, NULL, NULL, 0, read_io_buff_size_); + auto err = av_probe_input_buffer(ctx_->pb, &ctx_->iformat, NULL, NULL, 0, 0); if(err != 0){ - logIt("open with custom io prob input buffer error:%d\n", err); - logIt("failed:%s", getAVErrorDesc(err).c_str()); + logIt("open with custom io prob input buffer error:%d err: %s\n", err, getAVErrorDesc(err).c_str()); return -1; } @@ -106,9 +109,10 @@ int ret = openWithCustomIO(handle_gb28181, handle_gb28181->readData, options); if(ret < 0){ logIt("do openWithCustomIO failed:%d",ret); - } + }else{ + ret = avformat_open_input(&ctx_, "", NULL, options); + } - ret = avformat_open_input(&ctx_, "", NULL, options); // if(ret < 0){ // logIt("open %s failed:%s",filename, // getAVErrorDesc(ret).c_str()); @@ -139,28 +143,39 @@ return false; } - logIt("there are %d stream", ctx_->nb_streams); + // logIt("there are %d stream", ctx_->nb_streams); for (int i = 0; i < ctx_->nb_streams; ++i) { auto type = ctx_->streams[i]->codecpar->codec_type; + logIt("there are %d stream, stream %d, type %d", ctx_->nb_streams, i, type); + if (type == AVMEDIA_TYPE_VIDEO){ vs_idx_ = i; auto in = ctx_->streams[i]; - if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){ - fps_ = av_q2d(in->avg_frame_rate); - }else if(in->r_frame_rate.num >=1 && in->r_frame_rate.den >= 1){ + if(in->r_frame_rate.num >=1 && in->r_frame_rate.den >= 1){ fps_ = av_q2d(in->r_frame_rate); - } - logIt("in stream fps %f, time_base: %d : %d", fps_, in->time_base.num, in->time_base.den); + }else if(in->avg_frame_rate.num >=1 && in->avg_frame_rate.den >= 1){ + fps_ = av_q2d(in->avg_frame_rate); + } + logIt("in stream video fps %f, time_base: %d : %d", fps_, in->time_base.num, in->time_base.den); } if (type == AVMEDIA_TYPE_AUDIO){ - as_idx_ = i; + auto in = ctx_->streams[i]; + logIt("in stream audio %d time_base: %d : %d", in->codecpar->codec_id, in->time_base.num, in->time_base.den); + if (in->codecpar->codec_id == AV_CODEC_ID_AAC) + as_idx_ = i; + else + logIt("record not support audio codec: %d", in->codecpar->codec_id); } } return true; + } + + const bool FormatIn::IsHEVC()const{ + return ctx_->streams[vs_idx_]->codecpar->codec_id == AV_CODEC_ID_HEVC; } bool FormatIn::openCodec(AVDictionary **options){ @@ -195,7 +210,6 @@ continue; }else{ av_dict_set(&avdic, "gpu", std::to_string(idle_gpu).c_str(), 0); - // av_dict_set(&avdic, "gpu", std::to_string(2).c_str(), 0); } }else{ dec = avcodec_find_decoder(codecpar->codec_id); @@ -282,9 +296,15 @@ return false; } + bool FormatIn::notVideoAudio(AVPacket *pkt){ + return !isVideoPkt(pkt) && !isAudioPkt(pkt); + } + int FormatIn::readPacket(AVPacket *pkt_out){ - return av_read_frame(ctx_, pkt_out); + auto flag = av_read_frame(ctx_, pkt_out); + + return flag; } int FormatIn::decode(AVFrame* frame, AVPacket *pkt){ -- Gitblit v1.8.0