GStreamer编程操作以及gst-launch工具使用示例

//编译 $CC PlayCamera.c -o PlayCameraH265 `pkg-config --cflags --libs gstreamer-1.0` gcc -Wall $(pkg-config --cflags --libs gstreamer-0.10) helloworld.c -o helloworld //H265 gst-launch-1.0 filesrc location=/home/root/1080p_30fps_h265.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=1024, height=600 ! waylandsink //H264 gst-launch-1.0 filesrc location=H264_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=1024, height=600 ! waylandsink //测试 gst-launch-1.0 videotestsrc ! video/x-raw,format=NV12 ! imxvideoconvert_g2d ! video/x-raw,format=RGB16 ! waylandsink gst-launch-1.0 videotestsrc ! video/x-raw,format=NV12,width=1280,height=720 ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=640, height=480 ! waylandsink window-height=300 window-width=512 //视频播放控制输出窗口大小 gst-launch-1.0 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! waylandsink window-height=300 window-width=512 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! waylandsink window-height=300 window-width=512 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! waylandsink window-height=300 window-width=512 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! waylandsink window-height=300 window-width=512 //设置4视频同屏显示 gst-launch-1.0 imxcompositor_g2d name=comp sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 sink_1::xpos=0 sink_1::ypos=300 sink_1::width=512 sink_1::height=300 sink_2::xpos=512 sink_2::ypos=0 sink_2::width=512 sink_2::height=300 sink_3::xpos=512 sink_3::ypos=300 sink_3::width=512 sink_3::height=300 ! video/x-raw,format=RGB16 ! waylandsink filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_0 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_1 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_2 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_3 gst-launch-1.0 imxcompositor_g2d name=comp \ sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 \ sink_1::xpos=0 sink_1::ypos=300 sink_1::width=512 sink_1::height=300 \ sink_2::xpos=512 sink_2::ypos=0 sink_2::width=512 sink_2::height=300 \ sink_3::xpos=512 sink_3::ypos=300 sink_3::width=512 sink_3::height=300 ! \ video/x-raw,format=RGB16 ! waylandsink \ v4l2src device=/dev/video0 ! video/x-raw,width=640,height=480 ! comp.sink_0 \ v4l2src device=/dev/video1 ! video/x-raw,width=640,height=480 ! comp.sink_1 \ v4l2src device=/dev/video2 ! video/x-raw,width=640,height=480 ! comp.sink_2 \ v4l2src device=/dev/video3 ! video/x-raw,width=640,height=480 ! comp.sink_3 //一视频 gst-launch-1.0 imxcompositor_g2d name=comp sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 sink_0::keep-ratio=true ! video/x-raw, format=RGB16, width=512, height=300 ! waylandsink filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! comp.sink_0 //两视频 gst-launch-1.0 imxcompositor_g2d name=comp sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 sink_1::xpos=512 sink_1::ypos=0 sink_1::width=512 sink_1::height=300 ! video/x-raw,format=RGB16 ! waylandsink filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_0 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_1 //三视频 gst-launch-1.0 imxcompositor_g2d name=comp sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 sink_1::xpos=0 sink_1::ypos=300 sink_1::width=512 sink_1::height=300 sink_2::xpos=512 sink_2::ypos=0 sink_2::width=512 sink_2::height=300 ! video/x-raw,format=RGB16 ! waylandsink filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_0 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_1 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_2 //显示1图片 gst-launch-1.0 filesrc location=image.png ! pngdec ! imagefreeze ! videoconvert ! autovideosink filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_2 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_3 filesrc location=H265_1080.mp4 typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=512, height=300 ! comp.sink_0 gst-launch-1.0 imxcompositor_g2d name=comp sink_1::xpos=160 sink_1::ypos=480 ! glimagesink videotestsrc ! comp.sink_0 videotestsrc ! comp.sink_1 gst-launch-1.0 filesrc location=image.png ! pngdec ! imagefreeze ! videoconvert ! autovideosink gst-launch-1.0 -v imxcompositor_g2d name=comp sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 sink_1::xpos=0 sink_1::ypos=300 sink_1::width=512 sink_1::height=300 sink_2::xpos=512 sink_2::ypos=0 sink_2::width=512 sink_2::height=300 sink_3::xpos=512 sink_3::ypos=300 sink_3::width=512 sink_3::height=300! waylandsink videotestsrc ! comp.sink_0 videotestsrc ! comp.sink_1 videotestsrc ! comp.sink_2 videotestsrc ! comp.sink_3 gst-launch-1.0 -v imxcompositor_g2d name=comp sink_0::xpos=0 sink_0::ypos=0 sink_0::width=512 sink_0::height=300 sink_1::xpos=0 sink_1::ypos=512 sink_1::width=512 sink_1::height=300 sink_2::xpos=300 sink_2::ypos=0 sink_2::width=512 sink_2::height=300 sink_3::xpos=300 sink_3::ypos=512 sink_3::width=512 sink_3::height=300 waylandsink sync=false filesrc location=H265_1080.mp4 ! typefind=true ! video/quicktime ! aiurdemux ! queue max-size-time=0 ! vpudec ! imxvideoconvert_g2d ! video/x-raw, format=RGB16, width=1024, height=600 ! tee name=t t. ! queue ! comp.sink_0 t. ! queue ! comp.sink_1 t. ! queue ! comp.sink_2 t. ! queue ! comp.sink_3 //大华摄像头 rtsp://admin:cx123456@192.168.60.67:554/cam/realmonitor?channel=1\&subtype=0\&unicast=true\&proto=Onvif rtsp://admin:cx123456@192.168.60.67:554/cam/realmonitor?channel=1\&subtype=1\&unicast=true\&proto=Onvif //海康威视摄像头 rtsp://admin:cx123456@192.168.60.64 //MP4视频地址 rtsp: