[Libav-user] No accelerated colorspace conversion found from yuv420p to rgba

[krishnaks at iwavesystems.com]

Thanx Alex for the info!

> On Thu, May 10, 2012 at 12:08 PM,  <krishnaks at iwavesystems.com> wrote:
>> Hi,
>> I am using FFmpeg library for decoding H264 frames and display it on
>> iPad.
>> I have cross compiled FFmpeg library for arm architecture.
>
> Unfortunately, ARM build does not have optimized colorspace
> conversion. Your options are either do the slow conversion, or accept
> the video output in its natural yuv420p format. If you use OpenGL to
> render the video on your iPad, you may try a pixel shader to display
> the yuv images correctly and efficiently.
>
> BR,
> Alex Cohn
>
>>> On May 10, 2012 10:25 AM, <krishnaks at iwavesystems.com> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I am getting following warning.
>>>>
>>>> [swscaler @ 0x5a34000] No accelerated colorspace conversion found from
>>>> yuv420p to rgba.
>>>>
>>>>  How to avoid this?
>>>>
>>>> Thanks in advance.
>>>> Regards,
>>>> KP
>>>
>>> What is your platform, version? How did you build the library?
>>>
>>> BR,
>>> Alex
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