[Libav-user] h264 encode speed

[hz nan]

Thanks.
I wanted to use MPEG4 to replace H264, but was refused.
What's h/w support?

Hongzhen Nan

2011/7/19 Alex Cohn <alexcohn at netvision.net.il>

> On Tue, Jul 19, 2011 at 10:48, hz nan <nhongzhen at gmail.com> wrote:
>
>> Hi
>> I need to using H264 to live broadcast and it need 25 frames in one
>> second., so I need to encode 25 frames
>> in one second. If the frame is 160*120 or 320*240 ,it is ok. But if it is
>> 640*480, it need more than 70ms to
>> encode one frame. Does anyone have suggestion about how to increase encode
>> and decode speed?
>>
>> Thanks  Hongzhen Nan
>>
>>
> If you don't have h/w support for h264, I would consider MPEG4 encoder,
> which is much faster both for encoding and decoding (but looses on
> compression).
>
> Alex
>
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