Hi all,
I was wondering whether the following can work:
- use a fakesrc connected to a capsfilter
- Set the GstCaps on the caps filter to something like this: video/x-xvid, width=(int)256, height=(int)144, framerate=(fraction)23/1, format=(fourcc)XVID
- Set the maxsize property to something large enough and use the handoff signal to fill in the buffer. Also set the following props:
"signal-handoffs", TRUE,
"is-live", TRUE,
"filltype", 1 /* don't fill */,
"sizemax", size,
"sizetype", 2 /* Makes all samples the same size */,
The encoded raw data is provided by the app, which supports a pull model.
I have tried out this combination by connecting the capsfilter to a decodebin. The first problem I ran into was the GstFindType element within the decode bin, which seemed to query the duration of the stream, which returned 0. This caused an error.
I then connected a query function (using gst_pad_set_query_function) to the source pad on the caps filter (I also provided a gst_pad_set_query_type_function) to return a fake value for duration (I am getting my app data from a live source).
I no longer got the previous error but the pipeline still wouldn't run, my handoff callback function never gets called.
The question is: Does anyone else know what other properties or caps I would have to set to make this work?
I saw some other post asking about the GstAppSrc element. Is this element already part of the latest release and how would I use it?
Any help greatly appreciated,
Andreas
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