narmstrong changed the topic of #linux-amlogic to: Amlogic mainline kernel development discussion - our wiki http://linux-meson.com/ - ml linux-amlogic@lists.infradead.org - Publicly Logged on https://irclog.whitequark.org/linux-amlogic
<memeka> ndufresne: even the old xu4 can do 4x1080p@30
<memeka> (H264)
<memeka> S905 should do the same h264 and @60 h265 I think
<memeka> ndufresne: ping
<memeka> ndufresne: gstreamer is stuck at Pipeline is PREROLLING ...
<memeka> with H264
<memeka> dmesg shows:
<memeka> ndufresne: i increased CMA, no more alloc issues, but still stuck in poll with "nothing to dequeue" :(
<ndufresne> memeka, it's possible that driver have moved to event only loading, GStreamer needs porting
<memeka> i c :-S
<ndufresne> I notice this one in my amlogic build, https://paste.fedoraproject.org/paste/3EmytcHxbqB37hCCdFcXFg
<ndufresne> not sure if I have upstreamed it yet
<ndufresne> but mjourdan was to drop CREATE_BUFS support anyway
<ndufresne> memeka, I will try and make some tests before 1.16 to hopefully get the best I can out of latest venus, coda, amlogic
<ndufresne> memeka, meanwhile be aware that mjourdan mostly test with ffmpeg
<memeka> yeah :|
<memeka> ndufresne: do you still have that trick handy to do primary plane invisible? :D
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<ndufresne> I have modetest -P 32@34:1x1 in my shell history, is that enough ?
<ndufresne> seems to be enough on the kernel I got
<memeka> ndufresne: doesn't work for me :( i get nothing on screen if i use overlay plane, video on screen if i use primary plane (with convert)
<ndufresne> do you get color bars if you do modetest -s 31@34:1920x1080
<ndufresne> (crtc and planes id may have shifted a little in recent kernels)
<memeka> ndufresne: yeah crtc and plane id shifted :)
<memeka> failed to find mode "1920x1080" for connector 31
<memeka> failed to create dumb buffer: Invalid argument
<memeka> plane 31 is overlay
<memeka> works with connector
<memeka> 29@32
<ndufresne> great, going to bed early, see you soon
<memeka> ndufresne: the command worked, still got black screen :P
<memeka> gnite tho` :)
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<mjourdan> memeka: There's no support for multi-instance decoding at the moment. Requires a different firmware and driver piece
<mjourdan> I went for the single instance H264 driver as it is much, much less complex than its multi-instance part
<memeka> mjourdan: I know
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<memeka> mjourdan: any idea why gstreamer is not working?
<mjourdan> memeka: I haven't tested gstreamer in a while. Every version behaves differently and with the V4L2 M2M spec still in writing it's not easy. I mainly test with ffmpeg and chromium (who both don't fully respect the WIP spec either).
<memeka> mjourdan: gstreamer h264 was not working, mpeg4 was working but kmssink on overlayplane was not working either
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<memeka> on primary plane it was working, but obv slow because of software conversion to rgb
<memeka> so yeah had issues with both dec and overlay plane :(
<memeka> ffmpeg did work to decode indeed
<memeka> tested with caca output :)
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