Missing H.264 decoder but it isn't?

Vinod Kesti vinodkesti at yahoo.com
Thu May 24 05:13:22 UTC 2018


Hi Adams,

decodebin is picking hardware decoder "bcmdec" to decode h264 stream. bcmdec
Plugin is not able to open the device and pipeline closed with error. 

To use avdec_h264 you have have 2 options.
1. Remove "bcmdec" plugin
2. Change avdec_h264 rank so that decodebin autoplug picks avdec_h264 over
bcmdec. Check plugin writer guides to check how alter the plugins rank.

Check if this is usefull for you.
https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPluginFeature.html

Here bcmdec is Broadcom hardware decoder. This is not there in mainstream
Gstreamer plugin.
https://github.com/agx/gst-plugins-bad/blob/master/ext/bcmdec/gstbcmdec.c




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