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<div class="moz-cite-prefix">I tried the "zerolatency,fastdecode"
combination and the results are amazing!<br>
<br>
Before fastdecode the avg (about~ 200 measurements) was 19,8 ms
per frame. Now on fastdecode (if iam not doing anything wrong) the
avg is 10,52. Almost the half of the processing time.<br>
The avg framesize for both is exact the same: 11722 bytes (for the
first 300 frames).<br>
<br>
This is great and it is enough for my application environment!
Thanks for the help!<br>
<br>
Am 04.08.2012 20:20, schrieb Christian Brümmer:<br>
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<div class="moz-cite-prefix">Okay i will consider that if i am not
able to speedup ffmpeg decoding.<br>
<br>
First I will post my results after using the x264opts Hendrik
provides ( "<span>zerolatency,</span><span>fastdecode"</span> ).<br>
<br>
Am 04.08.2012 17:52, schrieb Alex Cohn:<br>
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cite="mid:CADiKgogXpHZWBZTOH+1VyC-QQ+9xH++J5=RBAhCzMnVJfBWu1g@mail.gmail.com"
type="cite">
<p>On Aug 4, 2012 5:22 PM, "Christian Brümmer" <<a
moz-do-not-send="true"
href="mailto:christian.bruemmer@gmx.de">christian.bruemmer@gmx.de</a>>
wrote:<br>
><br>
> For sure i first tried to use the Android MediaPlayer in
combination with a RTSP-Stream but it has a - not configurable
- frame buffer which size dependends of the rtsp fps. The
result is a delay about 3-5 seconds which is a known problem
as i discovered.<br>
> so for a real time video application your on your own..</p>
<p>You could directly call the built-in stagefreight avc
decoder, this approach does not introduce extra latency. But
the number of instances is limited - three or four, not more.</p>
<p>BR,<br>
Alex Cohn<br>
<br>
> But anyway i thought there might be a few lever (on the
encoding system) which i have to move to increase the decoding
performance!<br>
><br>
> What about the fast-decoding tune - how can i combine
that with my zero latency configuration?<br>
><br>
> Am 04.08.2012 16:05, schrieb Michael Bradshaw:<br>
>><br>
>> On Aug 4, 2012 6:11 AM, "Christian Brümmer" <<a
moz-do-not-send="true"
href="mailto:christian.bruemmer@gmx.de">christian.bruemmer@gmx.de</a>>
wrote:<br>
>> ><br>
>> > Hi,<br>
>> ><br>
>> > i am using FFmpeg for H264 Decoding on an
Android Device.<br>
>><br>
>> Out of curiosity, is there a reason you aren't using
Android's native decoder? It may be more optimized for the
device than FFmpeg too. Sorry I don't know how to make FFmpeg
faster.<br>
>><br>
>> --Michael<br>
>><br>
>><br>
>><br>
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