{"id":23952,"date":"2025-04-19T09:01:09","date_gmt":"2025-04-19T01:01:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/23952.html"},"modified":"2025-04-19T09:01:09","modified_gmt":"2025-04-19T01:01:09","slug":"gstreamer-%e9%85%8d%e7%bd%ae%e8%a7%a3%e6%9e%90%e7%bc%96%e8%a7%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/23952.html","title":{"rendered":"gstreamer \u914d\u7f6e+\u89e3\u6790\u7f16\u89e3\u7801"},"content":{"rendered":"

\u4e00. \u5b89\u88c5gstreamer<\/h3>\n

1.1 Windows\u4e0b\u5b89\u88c5<\/h4>\n

\u5b98\u7f51\u94fe\u63a5：https:\/\/gstreamer.freedesktop.org\/download\/#windows \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u4e24\u4e2a\u90fd\u8981\u4e0b\u8f7d\u3002\u5b89\u88c5\u7684\u65f6\u5019，\u5728custom\u9009\u62e9\u5b89\u88c5\u8def\u5f84\u3002\u7136\u540e\u8fd4\u56de\u4e0a\u4e00\u6b65\u9009\u62e9complete\u5b8c\u5168\u5b89\u88c5，\u4e24\u4e2a\u5b89\u88c5\u65b9\u5f0f\u4e00\u6837\u3002 \"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

1.2 \u914d\u7f6e\u73af\u5883<\/h3>\n

\u5c06 D:\\\\gstreamer\\\\1.0\\\\msvc_x86_64\\\\bin \u6dfb\u52a0\u81f3\u73af\u5883\u53d8\u91cf<\/p>\n

\u5728vs\u5de5\u7a0b\u4e2d\u4f7f\u7528：<\/p>\n

  • \u5728c\/c++ ——-\u5e38\u89c4——–\u9644\u52a0\u5305\u542b\u76ee\u5f55 \u589e\u52a0\u5982\u4e0b\u76ee\u5f55<\/li>\n

    D:\\\\gstreamer\\\\1.0\\\\msvc_x86_64\\\\include\\\\gstreamer-1.0 D:\\\\gstreamer\\\\1.0\\\\msvc_x86_64\\\\include\\\\glib-2.0 D:\\\\gstreamer\\\\1.0\\\\msvc_x86_64\\\\include\\\\libxml2 D:\\\\gstreamer\\\\1.0\\\\msvc_x86_64\\\\include<\/p>\n

  • \u94fe\u63a5\u5668—-\u5e38\u89c4—-\u9644\u52a0\u5e93\u76ee\u5f55，\u589e\u52a0 \u5982\u4e0b\u76ee\u5f55<\/li>\n

    D:\\\\gstreamer\\\\1.0\\\\msvc_x86_64\\\\lib<\/p>\n

  • \u94fe\u63a5\u5668—-\u8f93\u5165—–\u9644\u52a0\u4f9d\u8d56\u6027 \u589e\u52a0<\/li>\n

    gobject-2.0.lib;glib-2.0.lib;gstreamer-1.0.lib<\/p>\n

  • \u8c03\u8bd5—-\u73af\u5883<\/li>\n

    path=%path%;F:\\\\gstreamer\\\\1.0\\\\x86\\\\bin<\/p>\n

    1.3 Ubuntu\u4e0b\u5b89\u88c5<\/h4>\n

    \u9996\u5148\u66f4\u65b0\u7cfb\u7edf\u7684\u8f6f\u4ef6\u5305<\/p>\n

    sudo<\/span> apt-get<\/span> update<\/p>\n

    sudo<\/span> apt-get<\/span> install<\/span> libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio<\/p>\n

    \u5b89\u88c5\u5b8c\u6210\u540e，\u68c0\u67e5GStreamer\u662f\u5426\u5b89\u88c5\u6b63\u786e\u3002<\/p>\n

    gst-inspect-1.0 –version<\/span><\/p>\n

    \u663e\u793a\u7248\u672c\u8bf4\u660e\u6210\u529f\u5b89\u88c5\u3002<\/p>\n

    \u4e8c. \u6d4b\u8bd5<\/h3>\n

    2.1 \u547d\u4ee4\u884c\u6d4b\u8bd5<\/h4>\n

    gst-launch-1.0.exe -v<\/span> playbin uri<\/span>=<\/span>file:\/C:\\\\<\/span>\\\\<\/span>Users\\\\<\/span>\\\\<\/span>26366<\/span>\\\\<\/span>\\\\<\/span>Desktop\\\\<\/span>\\\\<\/span>\u5ba3\u4f20\u7247\u6210\u7247.mp4<\/p>\n

    \u8f93\u51fa\u89c6\u9891\u5373\u4e3a\u6210\u529f\u3002<\/p>\n

    2.2 c++\u6d4b\u8bd5<\/h4>\n

    \/\/ GstreamerHelloWorld.cpp : \u6b64\u6587\u4ef6\u5305\u542b "main" \u51fd\u6570\u3002\u7a0b\u5e8f\u6267\u884c\u5c06\u5728\u6b64\u5904\u5f00\u59cb\u5e76\u7ed3\u675f\u3002<\/span>
    \n\/\/<\/span>
    \n#<\/span>include<\/span> <iostream><\/span><\/span><\/p>\n

    #<\/span>include<\/span> <gst\/gst.h><\/span><\/span>
    \n#<\/span>include<\/span> <glib.h><\/span><\/span><\/p>\n

    int<\/span> main<\/span>(<\/span>int<\/span> argc,<\/span> char<\/span>*<\/span> argv[<\/span>]<\/span>)<\/span> {<\/span>
    \nGstElement*<\/span> pipeline;<\/span>
    \nGstElement*<\/span> source,<\/span> *<\/span> filter,<\/span> *<\/span> sink;<\/span><\/p>\n

    \/\/init<\/span>
    \ngst_init<\/span>(<\/span>&<\/span>argc,<\/span> &<\/span>argv)<\/span>;<\/span><\/p>\n

    \/\/creat pipeline<\/span>
    \npipeline =<\/span> gst_pipeline_new<\/span>(<\/span>"my-pipline"<\/span>)<\/span>;<\/span><\/p>\n

    create elements
    \nsource =<\/span> gst_element_factory_make<\/span>(<\/span>"fakesrc"<\/span>,<\/span> "source"<\/span>)<\/span>;<\/span>
    \nfilter =<\/span> gst_element_factory_make<\/span>(<\/span>"identity"<\/span>,<\/span> "filter"<\/span>)<\/span>;<\/span>
    \nsink =<\/span> gst_element_factory_make<\/span>(<\/span>"fakesink"<\/span>,<\/span> "sink"<\/span>)<\/span>;<\/span><\/p>\n

    \/\/\u5c06\u5143\u7ec4\u6dfb\u52a0\u5230\u7ba1\u9053\u4e2d<\/span>
    \ngst_bin_add_many<\/span>(<\/span>GST_BIN<\/span>(<\/span>pipeline)<\/span>,<\/span> source,<\/span> filter,<\/span> sink,<\/span> NULL<\/span>)<\/span>;<\/span><\/p>\n

    \/\/\u8fde\u63a5<\/span>
    \nif<\/span> (<\/span>!<\/span>gst_element_link_many<\/span>(<\/span>source,<\/span> filter,<\/span> sink,<\/span> NULL<\/span>)<\/span>)<\/span> {<\/span>
    \ng_warning<\/span>(<\/span>"failed to link elements\\\\n"<\/span>)<\/span>;<\/span>
    \nstd::<\/span>cout <<<\/span> "failed to link elements!\\\\n"<\/span>;<\/span>
    \n}<\/span>
    \nelse<\/span>
    \n{<\/span>
    \nstd::<\/span>cout <<<\/span> "Hello GStreamer!\\\\n"<\/span>;<\/span>
    \n}<\/span>
    \n\/*\u5728\u94fe\u63a5\u4e0d\u540c\u7684\u7ec4\u4ef6\u4e4b\u524d，\u4f60\u9700\u8981\u786e\u4fdd\u8fd9\u4e9b\u7ec4\u4ef6\u90fd\u88ab\u52a0\u5728\u540c\u4e00\u4e2a\u7bb1\u67dc\u4e2d，
    \n\u56e0\u4e3a\u5c06\u4e00\u4e2a\u7ec4\u4ef6\u52a0\u8f7d\u5230\u4e00\u4e2a\u7bb1\u67dc\u4e2d\u4f1a\u7834\u574f\u8be5\u7ec4\u4ef6\u5df2\u5b58\u5728\u7684\u4e00\u4e9b\u94fe\u63a5\u5173\u7cfb\u3002
    \n\u540c\u65f6，\u4f60\u4e0d\u80fd\u76f4\u63a5\u94fe\u63a5\u4e0d\u5728\u540c\u4e00\u7bb1\u67dc\u6216\u7ba1\u9053\u4e2d\u7684\u7ec4\u4ef6\u3002*\/<\/span><\/p>\n

    return<\/span> 0<\/span>;<\/span>
    \n}<\/span><\/p>\n

    \u8f93\u51faHello GStreamer!\u5373\u4e3a\u914d\u7f6e\u6210\u529f\u3002<\/p>\n

    \u4e09.\u5e94\u7528<\/h3>\n

    3.1 \u4f8b\u4e00：udp\u88f8\u6d41，\u672a\u4f7f\u7528RTP\u5c01\u88c5<\/h4>\n

    \u7f16\u7801：<\/p>\n

    gst-launch-1.0 filesrc location<\/span>=<\/span>C:\\\\<\/span>\\\\<\/span>Users\\\\<\/span>\\\\<\/span>26366<\/span>\\\\<\/span>\\\\<\/span>Desktop\\\\<\/span>\\\\<\/span>\u5ba3\u4f20\u7247\u6210\u7247.mp4 !<\/span> qtdemux !<\/span> avdec_h264 !<\/span> x264enc !<\/span> udpsink host<\/span>=<\/span>192.168<\/span>.0.105 port<\/span>=<\/span>5600<\/span><\/p>\n

    \u5bf9\u5e94\u89e3\u7801：<\/p>\n

    gst-launch-1.0 udpsrc port<\/span>=<\/span>5600<\/span> !<\/span> h264parse !<\/span> avdec_h264 !<\/span> videoconvert !<\/span> autovideosink<\/p>\n

    c++\u89e3\u7801：<\/p>\n

    \/\/ GstreamerHelloWorld.cpp : \u6b64\u6587\u4ef6\u5305\u542b "main" \u51fd\u6570\u3002\u7a0b\u5e8f\u6267\u884c\u5c06\u5728\u6b64\u5904\u5f00\u59cb\u5e76\u7ed3\u675f\u3002<\/span>
    \n\/\/<\/span><\/p>\n

    #<\/span>include<\/span> <iostream><\/span><\/span><\/p>\n

    #<\/span>include<\/span> <gst\/gst.h><\/span><\/span>
    \n#<\/span>include<\/span> <glib.h><\/span><\/span><\/p>\n

    static<\/span> GstElement*<\/span> pipeline =<\/span> nullptr<\/span>;<\/span>
    \nstatic<\/span> GstBus*<\/span> bus =<\/span> nullptr<\/span>;<\/span>
    \nstatic<\/span> GstMessage*<\/span> msg =<\/span> nullptr<\/span>;<\/span><\/p>\n

    \/\/ \u56de\u8c03\u51fd\u6570，\u7528\u4e8e\u5904\u7406 GStreamer \u6d88\u606f<\/span>
    \nstatic<\/span> gboolean on_message<\/span>(<\/span>GstBus*<\/span> bus,<\/span> GstMessage*<\/span> msg,<\/span> gpointer data)<\/span> {<\/span>
    \nGError*<\/span> err;<\/span>
    \ngchar*<\/span> debug_info;<\/span><\/p>\n

    switch<\/span> (<\/span>GST_MESSAGE_TYPE<\/span>(<\/span>msg)<\/span>)<\/span> {<\/span>
    \ncase<\/span> GST_MESSAGE_ERROR:<\/span>
    \ngst_message_parse_error<\/span>(<\/span>msg,<\/span> &<\/span>err,<\/span> &<\/span>debug_info)<\/span>;<\/span>
    \ng_printerr<\/span>(<\/span>"Error received from element %s: %s\\\\n"<\/span>,<\/span> GST_OBJECT_NAME<\/span>(<\/span>msg-><\/span>src)<\/span>,<\/span> err-><\/span>message)<\/span>;<\/span>
    \ng_printerr<\/span>(<\/span>"Debugging information: %s\\\\n"<\/span>,<\/span> debug_info ?<\/span> debug_info :<\/span> "none"<\/span>)<\/span>;<\/span>
    \ng_clear_error<\/span>(<\/span>&<\/span>err)<\/span>;<\/span>
    \ng_free<\/span>(<\/span>debug_info)<\/span>;<\/span>
    \ng_main_loop_quit<\/span>(<\/span>(<\/span>GMainLoop*<\/span>)<\/span>data)<\/span>;<\/span>
    \nbreak<\/span>;<\/span>
    \ndefault<\/span>:<\/span>
    \nbreak<\/span>;<\/span>
    \n}<\/span>
    \nreturn<\/span> TRUE;<\/span>
    \n}<\/span><\/p>\n

    int<\/span> main<\/span>(<\/span>int<\/span> argc,<\/span> char<\/span>*<\/span> argv[<\/span>]<\/span>)<\/span> {<\/span>
    \ngst_init<\/span>(<\/span>&<\/span>argc,<\/span> &<\/span>argv)<\/span>;<\/span>
    \ngst_debug_set_active<\/span>(<\/span>TRUE)<\/span>;<\/span>
    \ngst_debug_set_default_threshold<\/span>(<\/span>GST_LEVEL_DEBUG)<\/span>;<\/span><\/p>\n

    GMainLoop*<\/span> loop =<\/span> g_main_loop_new<\/span>(<\/span>NULL<\/span>,<\/span> FALSE)<\/span>;<\/span><\/p>\n

    \/\/ \u521b\u5efa GStreamer \u7ba1\u9053<\/span>
    \npipeline =<\/span> gst_parse_launch<\/span>(<\/span>"udpsrc port=5600 ! h264parse ! avdec_h264 ! videoconvert ! autovideosink"<\/span>,<\/span> NULL<\/span>)<\/span>;<\/span>
    \nbus =<\/span> gst_element_get_bus<\/span>(<\/span>pipeline)<\/span>;<\/span>
    \ngst_bus_add_watch<\/span>(<\/span>bus,<\/span> on_message,<\/span> loop)<\/span>;<\/span>
    \ngst_object_unref<\/span>(<\/span>bus)<\/span>;<\/span><\/p>\n

    \/\/ \u5f00\u59cb\u64ad\u653e<\/span>
    \ngst_element_set_state<\/span>(<\/span>pipeline,<\/span> GST_STATE_PLAYING)<\/span>;<\/span><\/p>\n

    \/\/ \u8fd0\u884c\u4e3b\u5faa\u73af<\/span>
    \ng_print<\/span>(<\/span>"Playing stream…\\\\n"<\/span>)<\/span>;<\/span>
    \ng_main_loop_run<\/span>(<\/span>loop)<\/span>;<\/span><\/p>\n

    \/\/ \u6e05\u7406<\/span>
    \ngst_element_set_state<\/span>(<\/span>pipeline,<\/span> GST_STATE_NULL)<\/span>;<\/span>
    \ngst_object_unref<\/span>(<\/span>pipeline)<\/span>;<\/span>
    \ng_main_loop_unref<\/span>(<\/span>loop)<\/span>;<\/span><\/p>\n

    return<\/span> 0<\/span>;<\/span>
    \n}<\/span><\/p>\n

    3.2 \u4f8b\u4e8c，\u4f7f\u7528RTP\u5c01\u88c5<\/h4>\n

    \u7f16\u7801<\/p>\n

    gst-launch-1.0 v4l2src device<\/span>=<\/span>\/dev\/video0 !<\/span> videoconvert !<\/span> 'video\/x-raw,format=(string)NV12,width=640,height=480,framerate=(fraction)30\/1'<\/span> !<\/span> queue !<\/span> x264enc !<\/span> udpsink host<\/span>=<\/span>127.0<\/span>.0.1 port<\/span>=<\/span>5000<\/span> sync<\/span>=<\/span>false<\/p>\n

    \u89e3\u7801：<\/p>\n

    gst-launch-1.0 udpsrc port<\/span>=<\/span>5000<\/span> caps<\/span>=<\/span>'application\/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264'<\/span> \\\\<\/span>
    \n !<\/span> rtpjitterbuffer latency<\/span>=<\/span>200<\/span> \\\\<\/span>
    \n !<\/span> rtspsrc !<\/span> avdec_h264 !<\/span> videoconvert !<\/span> autovideosink<\/p>\n

    \u53c2\u6570\u89e3\u91ca：<\/p>\n

      \n
    • udpsrc port=5000：\u8bbe\u7f6e GStreamer \u4ece UDP \u7aef\u53e3 5000 \u63a5\u6536\u6570\u636e\u3002（\u53ef\u66ff\u6362：rtspsrc ，filesrc ，v4l2src）<\/li>\n
    • caps：\u8bbe\u7f6e\u63a5\u6536\u6570\u636e\u7684\u5c5e\u6027，\u5305\u62ec\u5a92\u4f53\u7c7b\u578b（video）\u3001\u65f6\u949f\u9891\u7387（90000，\u5bf9\u5e94\u4e8e 90 kHz\u7684\u65f6\u949f，\u5e38\u7528\u4e8e\u89c6\u9891）\u3001\u7f16\u7801\u540d\u79f0（H264）\u3002<\/li>\n
    • rtpjitterbuffer：\u7528\u4e8e\u5904\u7406\u7f51\u7edc\u6296\u52a8，latency\u53c2\u6570\u8bbe\u7f6e\u4e3a\u7f13\u51b2\u533a\u7684\u5ef6\u8fdf\u65f6\u95f4（\u5355\u4f4d\u4e3a\u7eb3\u79d2）\u3002<\/li>\n
    • rtspsrc：\u4f7f\u7528 RTP \u6d41，\u9700\u8981\u4f7f\u7528 rtspsrc \u800c\u4e0d\u662f udpsrc<\/li>\n
    • avdec_h264：H.264 \u89c6\u9891\u89e3\u7801\u5668\u3002<\/li>\n
    • videoconvert：\u7528\u4e8e\u8f6c\u6362\u89c6\u9891\u5230\u663e\u793a\u8bbe\u5907\u652f\u6301\u7684\u683c\u5f0f\u3002<\/li>\n
    • autovideosink：\u81ea\u52a8\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u89c6\u9891\u6e32\u67d3\u5668（\u4f8b\u5982，X \u670d\u52a1\u5668\u6216 GL \u6e32\u67d3\u5668）\u7528\u6765\u5c55\u793a\u89c6\u9891\u3002<\/li>\n<\/ul>\n

      gst-launch-1.0 udpsrc port=14556 caps=\u201capplication\/x-rtp, media=(string)video, clock-rate=(int)90000, enc oding-name=(string)H264\u201d ! rtph264depay ! h264parse ! avdec_h264 ! videoconvert ! autovideosink<\/p>\n","protected":false},"excerpt":{"rendered":"

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