如果您需要帮助来编译此代码,请参阅针对您的平台构建教程部分:Linux、Mac OS X或Windows,或在 Linux 上使用此特定命令: gcc basic-tutorial-1.c -o basic-tutorial-1pkg-config --cflags --libs gstreamer-1.0`` 如果您需要帮助来运行此代码,请参阅适用于您的平台的运行教程部分:Linux、Mac OS X或Windows。
_class_init()函数应该在你用 GLib 注册类型的函数中为这个 GObject 设置。 staticvoidgst_my_filter_class_init(GstMyFilterClass*klass){GstElementClass*element_class=GST_ELEMENT_CLASS(klass);[..]gst_element_class_set_static_metadata(element_class,"An example plugin","Example/FirstExample","Show...
*/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <gst/gst.h> #include <stdio.h> #include <string.h> #include <stdlib.h> GST_DEBUG_CATEGORY (appsrc_playbin_debug); #define GST_CAT_DEFAULT appsrc_playbin_debug /* * an example application of using appsrc in streaming push...
Plugins will be automatically enabled if possible, but you can ensure that a particular plugin (especially if it has external dependencies) is built by enabling the gstreamer repository that ships it and the plugin inside it. For example, to enable the Qt5 plugin in the gst-plugins-good repo...
/* The only thing we do in this example is print a * to indicate a received buffer */ g_print ("*"); gst_sample_unref (sample); return GST_FLOW_OK; } return GST_FLOW_ERROR; } 当appsink得到数据时会调用new_sample函数,我们使用“pull-sample”信号提取sample,这里仅输出一个”*“表明此...
/* The only thing we do in this example is print a * to indicate a received buffer */ g_print ("*"); gst_sample_unref (sample); return GST_FLOW_OK; } return GST_FLOW_ERROR; } /* This function is called when an error message is posted on the bus */ ...
基础教程1.c #include <gst/gst.h> #ifdef __APPLE__ #include <TargetConditionals.h> #endif int tutorial_main (int argc, char *argv[]) { GstElement *pipeline; GstBus *bus; GstMessage *msg; /* Initialize GStreamer */ gst_init (&argc, &argv); ...
(for timestamp generation) */gfloata,b,c,d;/* For waveform generation */guintsourceid;/* To control the GSource */GMainLoop*main_loop;/* GLib's Main Loop */}CustomData;/* This method is called by the idle GSource in the mainloop, to feed CHUNK_SIZE bytes into appsrc...
打开buildOpenCV.sh并将 -DWITH_GSTREAMER = OFF 更改为-DWITH_GSTREAMER = ON,确保OpenCV编译时使用gstreamer支持。...Cd 〜/opencv /build sudo make install 用OpenCV的GStreamer管道执行视频采集现在安装可捕捉gstreamer视频的OpenCV,开始使用吧!...gstreamer_view.cpp /* Example code for displaying g...
For example, permission to use the GNU C Library in non-free programs enables many more people to use the whole GNU operating system, as well as its variant, the GNU/Linux operating system. Although the Lesser General Public License is Less protective of the users' freedom, it does ensure...