Hello everyone,
I am having trouble using gst-launch on Debian 9 (Gstreamer version 1.10.4) with MP4 files. I have experienced the same issue in Ubuntu 18.04 Beta version as well. I do not experience these issues with Gstreamer version 1.4.4.
I have uploaded a couple of sample files here:
The command I execute is:
gst-launch-1.0 playbin uri=file://xylophone.mp4 video-sink=appsink
I get:
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Redistribute latency...
Redistribute latency...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
The system stalls at that point and when I debug using GDB, I get the following stack trace:
After that when I execute Ctrl+C, I see the following on the screen:
^C handling interrupt.
Interrupt: Stopping pipeline ...
Execution ended after 0:02:39.636421528
Setting pipeline to PAUSED ...
Again the system stalls and the stack trace looks like:
I have to hit Ctrl+C again to get out of the execution.
Please note that the following commands work fine:
gst-launch-1.0 playbin uri= file://xylophone.mp4
gst-launch-1.0 playbin uri=file://xylophone.mp4 video-sink=xvimagesink
The above means default video-sink (which is screen) and xvimagesink (screen renderer) works fine but appsink stalls. Even video-sink=fakesink works.
My application requires reading frame data and hence I use appsink to access those decoded buffers.
I would very much appreciate if someone can help me with this issue.
Thanks,
Nalini
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