[vlc-devel] Severe A/V asynchronous with hardware acceleration on android
jb at videolan.org
Fri May 4 11:16:31 CEST 2012
On Fri, May 04, 2012 at 04:08:52PM +0800, ScottLin wrote :
> I built the latest VLC for android with NO_NEON and TEGRA2 flags.
Tegra2 is crap :)
> 1. Both of the them show the message constantly.
> W/libOpenSLES(1339): Leaving BufferQueue::Enqueue
> E/VLC(1339): buffer insufficient
Yes the OpenSL ES output has issue. We are trying a new approach based on AudioTrack.
> 2. In the log for SD file, I notice the omx video decoder is not used.
This is why:
05-04 15:15:38.650: D/VLC(1339): component standard role set to video_decoder.avc
05-04 15:15:38.660: D/NvOsDebugPrintf(112): Unable to find block: 116
05-04 15:15:38.660: D/NvOsDebugPrintf(112): NvxVideoDecoderAcquireResources : NvxNvMMLiteTransformOpen failed
05-04 15:15:38.660: D/VLC(1339): OmxEventHandler (OMX_EventError, OMX_ErrorInsufficientResources, 2, (null))
05-04 15:15:38.660: I/ActivityManager(191): Displayed org.videolan.vlc/.gui.video.VideoPlayerActivity: +221ms
05-04 15:15:38.670: I/TextType(483): TextType = 0x0
05-04 15:15:38.680: D/OpenGLRenderer(1339): Flushing caches (mode 0)
05-04 15:15:39.660: D/VLC(1339): Wait for Idle failed (80001011)
05-04 15:15:39.660: E/OMXNodeInstance(112): FreeHandle FAILED with error 0x80001010.
> 3. Both of them use SW audio decoder(FFMPEG). Is it right?
> 1. Where should I follow the resolve the issue? My goal is to play Full-HD
> file smoothly using VLC.
Try using the AudioTrack audio output.
Try fixing the OMX module in the nvidia case.
> 2. What is the plan for VLC to support hardware acceleration for android
> What devices are supported now?
Mostly TI, Samsung and QCOm devices. nVidia is untested.
http://www.jbkempf.com/ - +33 672 704 734
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