[mythtv] Mediacodec problem with fire stick 4K

Aman Gupta aman at tmm1.net
Fri Dec 7 00:40:49 UTC 2018


On Thu, Dec 6, 2018 at 1:52 PM Peter Bennett <pb.mythtv at gmail.com> wrote:

>
>
> On 12/6/18 1:01 PM, Aman Gupta wrote:
>
>
> On Wed, Dec 5, 2018 at 4:01 PM Peter Bennett <pb.mythtv at gmail.com> wrote:
>
>>
>>
>> On 12/5/18 6:13 PM, Aman Gupta wrote:
>> > I've gotten reports that this freeze issue also happens with h264
>> > MediaCodec decoding on the 4K Stick, which further suggests this is an
>> > issue with ffmpeg's mediacodec wrapper.
>> >
>> I have been running mediacodec playing h264 video on a fire stick 4K for
>> a few hours each day for a couple of weeks and I have not seen any freeze.
>
>
> Good to know. It's possible the h264 freezes are happening only in the UK
> with interlaced h264.
>
> Are you experiencing freezes on mpeg2 decoding right away or several
> minutes after playback begins?
>
> Aman
>
>
>
> mpeg2 decoding freezes immediately I start playing. I may see one or two
> frames, but no more than that.
>

Interesting, in my testing it decodes fine for 20-40minutes before locking
up. However I am using Surface-based (zero-copy) rendering.


>
> Peter
>
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