video analysis2.0拆分,ffmpeg封装go接口库
chenshijun
2019-07-17 0367d8e503ca5df1eae359929b8753050ccd9980
增加国标28181的处理
6个文件已修改
90 ■■■■■ 已修改文件
CMakeLists.txt 5 ●●●●● 补丁 | 查看 | 原始文档 | blame | 历史
csrc/ffmpeg/filter/FilterVideo.cpp 2 ●●● 补丁 | 查看 | 原始文档 | blame | 历史
csrc/ffmpeg/format/FormatIn.cpp 31 ●●●● 补丁 | 查看 | 原始文档 | blame | 历史
csrc/ffmpeg/format/FormatIn.hpp 3 ●●●● 补丁 | 查看 | 原始文档 | blame | 历史
csrc/wrapper.cpp 48 ●●●●● 补丁 | 查看 | 原始文档 | blame | 历史
csrc/wrapper.hpp 1 ●●●● 补丁 | 查看 | 原始文档 | blame | 历史
CMakeLists.txt
@@ -21,9 +21,10 @@
    ${CMAKE_SOURCE_DIR}/csrc/thirdparty 
    ${CMAKE_SOURCE_DIR}/csrc/thirdparty/whereami
    ${CMAKE_SOURCE_DIR}/csrc/thirdparty/ffmpeg/include
    ${CMAKE_SOURCE_DIR}/csrc/thirdparty/gb28181/include
)
link_directories(/usr/local/cuda/lib64)
link_directories(/usr/local/cuda/lib64 ${CMAKE_SOURCE_DIR}/csrc/thirdparty/gb28181/lib)
set(CMAKE_LIBRARY_PATH ${CMAKE_SOURCE_DIR}/csrc/thirdparty/ffmpeg/lib ${CMAKE_LIBRARY_PATH})
    find_library(avutil NAMES libavutil.a )
@@ -49,4 +50,4 @@
add_library(${BIN} SHARED ${FFMPEG_LIST} ${CMAKE_SOURCE_DIR}/csrc/cffmpeg.cpp)
target_link_libraries(${BIN} ${LINK_LIB} numa nppig nppicc nppc -lz pthread dl)
target_link_libraries(${BIN} ${LINK_LIB} numa nppig nppicc nppc -lz pthread dl rtspclient StreamParse)
csrc/ffmpeg/filter/FilterVideo.cpp
@@ -6,7 +6,7 @@
#include <libavutil/opt.h>
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavfilter/avfiltergraph.h>
//#include <libavfilter/avfiltergraph.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
}
csrc/ffmpeg/format/FormatIn.cpp
@@ -21,6 +21,7 @@
#include "../data/FrameData.hpp"
#include "../../common/gpu/info.h"
#include "PsToEs.hpp"
using namespace logif;
@@ -52,7 +53,7 @@
    }
////////////////////////////////////////////////////////////////////////
    int FormatIn::openWithCustomIO(read_packet fn, AVDictionary **options/*=NULL*/){
    int FormatIn::openWithCustomIO(void *opaque, read_packet fn, AVDictionary **options/*=NULL*/){
        ctx_ = avformat_alloc_context();
        if(!ctx_){
            logIt("open with custom io create format error");
@@ -64,21 +65,43 @@
            return -1;
        }
        io_ctx_ = avio_alloc_context(read_io_buff_, read_io_buff_size_, 0, NULL, fn, NULL, NULL);
        io_ctx_ = avio_alloc_context(read_io_buff_, read_io_buff_size_, 0, opaque, fn, NULL, NULL);//opaque
        if(!io_ctx_){
            logIt("open with custom io create custom avio error");
            return -1;
        }
        ctx_->pb = io_ctx_;
        auto err = av_probe_input_buffer(io_ctx_, &ctx_->iformat, NULL, NULL, 0, read_io_buff_size_);
        auto err = av_probe_input_buffer(ctx_->pb, &ctx_->iformat, NULL, NULL, 0, read_io_buff_size_);
        if(err != 0){
            logIt("open with custom io prob input buffer error");
            logIt("open with custom io prob input buffer error:%d", err);
            logIt("failed:%s", getAVErrorDesc(err).c_str());
            return -1;
        }
        return 0;
    }
    int FormatIn::openGb28181(const char *filename, AVDictionary **options){
        std::string fn = filename;
        addCamera(fn);
        int ret = openWithCustomIO(NULL, readData, options);
        if(ret < 0){
            logIt("do openWithCustomIO failed:%d",ret);
        }
        ret = avformat_open_input(&ctx_, "", NULL, options);
        if(ret < 0){
            logIt("open %s failed:%s",filename,
                  getAVErrorDesc(ret).c_str());
        }
        return ret;
    }
/////////////////////////////////////////////////////////////////////////
    int FormatIn::open(const char *filename, AVDictionary **options){
csrc/ffmpeg/format/FormatIn.hpp
@@ -28,7 +28,8 @@
        ~FormatIn();
        
    public:
        int openWithCustomIO(read_packet fn, AVDictionary **options=NULL);
        int openWithCustomIO(void *opaque, read_packet fn, AVDictionary **options=NULL);
        int openGb28181(const char *filename, AVDictionary **options);
        int open(const char *filename, AVDictionary **options);
        bool findStreamInfo(AVDictionary **options);
csrc/wrapper.cpp
@@ -103,6 +103,50 @@
        return nullptr;
    }
    ffwrapper::FormatIn* Wrapper::init_reader_gb28181(const char* input){
            VideoProp prop;
            prop.url_ = input;
            prop.rtsp_tcp_ = true;
//            std::unique_ptr<FormatIn> in(new FormatIn(prop.gpuAccl()));
            ffwrapper::FormatIn* in(new FormatIn(prop.gpuAccl()));
            AVDictionary *avdic = prop.optsFormat();
            int flag = in->openGb28181(input, &avdic);
            if(avdic){
                logIt("ERROR:in->openGb28181(input, &avdic):flag:%d\n",flag);
                av_dict_free(&avdic);
            }
            if(flag == 0){
                if(!in->findStreamInfo(NULL)){
                    logIt("yolo can't find video stream\n");
                    return nullptr;
                }
                bool flag = true;
                if(map_workers_.find(WORKER_DECODER) != map_workers_.end()){
                    flag = in->openCodec(AVMEDIA_TYPE_VIDEO, NULL);
                    auto dec_ctx = in->getCodecContext();
                    if(bridge_)delete bridge_;
                    scale_w_ = scale_w_ == 0 || scale_w_ > dec_ctx->width ? dec_ctx->width : scale_w_;
                    scale_h_ = scale_h_ == 0 || scale_h_ > dec_ctx->height ? dec_ctx->height : scale_h_;
                    AVPixelFormat pix_fmt = AV_PIX_FMT_BGR24;
                    bridge_ = new cvbridge(
                            dec_ctx->width, dec_ctx->height, dec_ctx->pix_fmt,
                            scale_w_, scale_h_, pix_fmt, scale_f_);
                }
                if (!flag){
                    logIt("FormatIn openCodec Failed!");
                    return nullptr;
                }
                return in;
            }
            return nullptr;
        }
    int Wrapper::init_recorder(FormatIn *in, std::string dir, const int mind, const int maxd){
        if(!in){
            logIt("Init wrapper first");
@@ -137,8 +181,10 @@
    void Wrapper::run_stream_thread(){
        while(!stop_stream_.load()){
            auto in = init_reader(input_url_.c_str());
            //auto in = init_reader(input_url_.c_str());
            ffwrapper::FormatIn * in = init_reader_gb28181(input_url_.c_str());
            if (!in) {
                logIt("ERROR: init_reader_gb28181!\n");
                usleep(200000);
                continue;
            }
csrc/wrapper.hpp
@@ -49,6 +49,7 @@
        private: 
            std::unique_ptr<ffwrapper::FormatIn> init_reader(const char* input);
            ffwrapper::FormatIn* init_reader_gb28181(const char* input);
            void init_worker(ffwrapper::FormatIn *in);
            int init_recorder(ffwrapper::FormatIn *in, std::string dir, const int mind, const int maxd);
            void run_worker(ffwrapper::FormatIn *in, buz::avpacket &pkt);