typefind is not able to detect h264 avc stream on gstreamer1.0

[ruchikachaddha]

Hi,

We are trying to feed an H264 avc stream to following pipeline but typefind
element refuses to recognise it.

appsrc ! typefind ! fakesink (depending upon have-type, we plan to connect
suitable decoder element)

typefind sends 1st frame to all decoders and once the type has been
detected, it sets its src pad caps to the found media type.
In our case, typefind queries avdec_h264 but it seems avdec_h264 isn't able
to recognise AVC header. If we give h264 byte-stream, the above pipeline
works well.
Inspecting avdec_h264 shows it supports both AVC and byte-stream format.

Any idea if we are missing anything? How can we make typefind to detect h264
AVC streams?






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