[meta-freescale] yocto playbin pipeline can not display subtitle

[Daiane Angolini]

On Wed, Jul 27, 2016 at 1:24 AM, louwuxin <louwuxin at yeah.net> wrote:
> Dear meta-freescale，
>
> I found a issue that playbin can not display some subtitle stream, if it
> already fix, please ignore this mail.
>
> BSP environment:
> 2.0 - codename Jethro(imx6)
>
> Issue describe:
> when I run the pipeline like this: gst-launch-1.0 playbin
> uri=file:/xxx.videofile
> If the video file include subtitle stream, the video playing with '*'
> instead the word of subtitle. At last, I found that the subtitle used utf8
> coded, it will be display normally.
>
> Fix describe:
> I search the issue on imx community, and found "current imx6 bsp, not only
> ltib but also yocto couldn't support subtitle."
>
> But when I changed demux plugin from 'aiurdemux' to 'qtdemux', I found it
> will be work well. so I find out the difference between 'aiurdemux' and
> 'qtdemux', and try to changed 'aiurdemux', now it will be work well with
> subtitle.
>
> The iusse was that display subtitle plugin 'textoverlay' only accept utf8
> coded subtitle stream, but 'aiurdemux' send out some other coded subtitle
> streams, if 'textoverlay' can not process subtitle streams, it will be print
> '*'. So I add a function in ‘aiurdemux’ do that translate other coded
> subtitle to utf8 coded subtitle.
>
> patch:
> Refer to the attachment.

Please, follow the procedure to submit a patch to the layer, like in
http://git.yoctoproject.org/cgit/cgit.cgi/meta-fsl-arm/tree/README#n24

You can include most of this email in the commit log, I think...

Daiane
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