gst_caps_unref (audio_caps); /* Link all elements that can be automatically linked because they have "Always" pads */ gst_bin_add_many (GST_BIN (data.pipeline), data.app_source, data.tee, data.audio_queue, data.audio_convert1, data.audio_resample, data.audio_sink, data.video_queue,...
}/* Build the pipeline */gst_bin_add_many (GST_BIN (pipeline), source, sink,NULL);if(gst_element_link (source, sink) != TRUE) { g_printerr ("Elements could not be linked.\n"); gst_object_unref (pipeline);return-1; }/* Modify the source's properties */g_object_set (source,...
= GST_MESSAGE_EOS) {// 处理消息}// 清理资源gst_object_unref(bus);gst_element_set_state(pipeline, GST_STATE_NULL);gst_bin_free(pipeline);GStreamer框架的代码结构设计为模块化，使得开发者能够灵活地构建和扩展媒体处理流程。核心库提供了基础的数据结构和功能，插件系统扩展了GStreamer的功能，而辅助库...
三、完整代码示例 #include <iostream>#include <string>#include <gst/gst.h>typedef struct _custom_data{/* pipeline{source->rtpdepay->rtp_queue->h264parse->hard_decoder->cudaconvert->cudadowload->video_queue->sink} */GstElement *pipeline,*source, *rtpdepay, *rtp_queue, *h264parse, *h264...
gst_object_unref(pipeline); g_main_loop_unref(loop); std::cout << "WebRTC server stopped" << std::endl; return 0; } 构建项目 要将上述源代码构建为可执行文件,首先创建一个名为 build 的新目录: mkdir build && cd build 构建项目: ...
gst_object_unref(pipeline); return G_SOURCE_REMOVE; } static void on_button_play_clicked(GtkWidget* button, gpointer data) { if (pipeline != NULL) { gst_element_set_state(pipeline, GST_STATE_NULL); gst_object_unref(pipeline); pipeline = NULL; ...
element_get_bus(pipeline);msg=gst_bus_timed_pop_filtered(bus,GST_CLOCK_TIME_NONE,GST_MESSAGE_ERROR|GST_MESSAGE_EOS);/* Free resources */if(msg!=NULL)gst_message_unref(msg);gst_object_unref(bus);gst_element_set_state(pipeline,GST_STATE_NULL);gst_object_unref(pipeline);return0;}...
tests: Remove unnecessary g_thread_unref Mar 29, 2025 tools Fix python script shebang Sep 3, 2022 vala vala: Remove hack for old API compatibility Jun 4, 2022 .clang-format all: Implement result iterator for proxy action Oct 16, 2023 ...
gst_object_unref (data.video_sink); gst_object_unref (data.pipeline); return 0; } 复制代码 通过下面的命令编译即可得到可执行文件,在终端输入相应指令可修改播放速率。 gcc basic-tutorial-7.c -o basic-tutorial-7 `pkg-config --cflags --libs gstreamer-1.0` ...
if(!gst_element_link(data.convert,data.sink)){g_printerr("Elements could not be linked.\n");gst_object_unref(data.pipeline);return-1;} 我们先把converter element和sink连接起来,因为现在的source element还没有生成source pads,我们没有把source element和它们连接起来(这个时候连接很明显会出错的),这...