GStreamer Tee：x264enc + jpegenc->死锁？
[英]GStreamer Tee : x264enc + jpegenc -> deadlock?
问题描述
I have the following GStreamer commands working : 
我有以下GStreamer命令正在工作：
1°) streaming 2 MJPEG streams over TCP : 1°）通过TCP流式传输2个MJPEG流：
gst-launch-1.0 v4l2src device=/dev/video0 ! deinterlace mode=1 ! videorate ! videoscale ! tee name=tp \
\
tp. ! queue ! video/x-raw, framerate=10/1, width=960, height=540 ! jpegenc quality=40 ! multipartmux ! tcpserversink host=0.0.0.0 port=8093 \
\
tp. ! queue ! video/x-raw, framerate=15/1, width=960, height=540 ! jpegenc quality=40 ! multipartmux ! tcpserversink host=0.0.0.0 port=8096
2°) streaming 2 MP4 streams over TCP : 2°）通过TCP流式传输2个MP4流：
gst-launch-1.0 v4l2src device=/dev/video0 ! deinterlace mode=1 ! videorate ! videoscale ! tee name=tp \
\
tp. ! queue ! video/x-raw, framerate=10/1, width=960, height=540 ! x264enc bitrate=1000 ! mpegtsmux ! tcpserversink host=0.0.0.0 port=8093 \
\
tp. ! queue ! video/x-raw, framerate=15/1, width=960, height=540 ! x264enc bitrate=1000 ! mpegtsmux ! tcpserversink host=0.0.0.0 port=8096
But this one doesn't (trying to stream 1 MJPEG stream and 1 MP4 stream over TCP) : 但这不是（尝试通过TCP传输1个MJPEG流和1个MP4流）：
gst-launch-1.0 v4l2src device=/dev/video0 ! deinterlace mode=1 ! videorate ! videoscale ! tee name=tp \
\
tp. ! queue ! video/x-raw, framerate=10/1, width=960, height=540 ! jpegenc quality=40 ! multipartmux ! tcpserversink host=0.0.0.0 port=8093 \
\
tp. ! queue ! video/x-raw, framerate=15/1, width=960, height=540 ! x264enc bitrate=1000 ! mpegtsmux ! tcpserversink host=0.0.0.0 port=8096
The command line says : 命令行说：
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Redistribute latency...
Which sounds fine, but I'm unable the play the streams in VLC (it's working with the 1st command line). 听起来不错，但我无法在VLC中播放流（它正在使用第一个命令行）。
The only change is that I replaced, for only one of the streams : 唯一的变化是我只替换了其中一个流：
jpegenc quality=40 ! multipartmux
by : 创建人：
x264enc bitrate=1000 ! mpegtsmux
Any help would be appreciated... 任何帮助，将不胜感激...
Thanks 谢谢
1 个解决方案
解决方案1
1 已采纳 2015-01-13 19:17:31
Found the answer here : http://gstreamer-devel.966125.n4.nabble.com/Pipeline-Freezes-When-Adding-In-Tee-With-x264enc-td4301890.html 在此处找到答案： http : //gstreamer-devel.966125.n4.nabble.com/Pipeline-Freezes-When-Adding-In-Tee-With-x264enc-td4301890.html
Using "x264enc tune=zerolatency" made it working ! 使用“ x264enc tune = zerolatency”使其正常工作！
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