[meta-freescale] IMX6 imx6dlsabresd, Qt5Multimedia problem, mxc_vpu:vpu_alloc_dma_buffer fails?
mauro at faresoftware.it
Fri Mar 1 05:11:08 PST 2019
There was not enough DMA reserved memory for videos.
Il 22/09/18 18:28, Mauro Ziliani ha scritto:
> Hi all
> I'm working with imx6dlsabresd, fsl-image-qt5 derived image and Qt
> Multimedia Widgets.
> The bsp i derived from a mix of jethro and krogoth and Qt is 5.6.1
> version, kernel is linux-imx 4.1.15.
> I need to play video on the screen
> Tje video file has the following format.
> container: Quicktime
> video: H.264 (Baseline Profile)
> Duration: 0:01:12.500000000
> Seekable: yes
> codec video: H.264 / AVC
> codice lingua: en
> bitrate: 1137481
> data/ora: 2018-05-29T13:57:59Z
> QT atom: buffer of 25 bytes
> formato contenitore: ISO MP4/M4A
> Sometime happens that the video can not be played anymore.
> Kernel tells "Physical memory allocation error!" in mxc_vpu.
> I think the message is printed after vpu_alloc_dma_buffer fails.
> Have you some experience?
> There are some patch?
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