在 gstreamer 中解析不带上限的原始视频
我有以下管道
发送方
gst-launch-1.0 videotestsrc ! "video/x-raw,width=1280, height=720,framerate=30/1" ! shmsink socket-path=/tmp/stream sync=true wait-for-connection=false shm-size=100000000
接收方
gst-launch-1.0 shmsrc socket-path=/tmp/stream is-live=1 ! video/x-raw,width=1280,height=720,framerate=30/1,format=BGR ! videoconvert ! queue ! autovideosink
有没有办法可以将 caps 数据包含在共享内存中而不是在接收方指定该数据？
我想要的是这样的东西，
gst-launch-1.0 shmsrc socket-path=/tmp/stream is-live=1 ! video/x-raw ! videoconvert ! queue ! autovideosink
目前显示
ERROR: from element /GstPipeline:pipeline0/GstCapsFilter:capsfilter0: Filter caps do not completely specify the output format
我可以尽可能多地修改发送者，但希望让接收者更符合我的需求。
对于像 h264 这样的编码视频，上述情况是可能的，但对于原始视频则不然。
I have the following pipelines
sender
gst-launch-1.0 videotestsrc ! "video/x-raw,width=1280, height=720,framerate=30/1" ! shmsink socket-path=/tmp/stream sync=true wait-for-connection=false shm-size=100000000
receiver
gst-launch-1.0 shmsrc socket-path=/tmp/stream is-live=1 ! video/x-raw,width=1280,height=720,framerate=30/1,format=BGR ! videoconvert ! queue ! autovideosink
Is there a way i can include the caps data in the shared memory instead of specifying that data on the receiver side?
what i want is something like
gst-launch-1.0 shmsrc socket-path=/tmp/stream is-live=1 ! video/x-raw ! videoconvert ! queue ! autovideosink
This currently shows
ERROR: from element /GstPipeline:pipeline0/GstCapsFilter:capsfilter0: Filter caps do not completely specify the output format
I can modify the sender as much as possible but want to keep the receiver more general to my needs.
The above is possible with encoded video like h264 but not raw video.
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