[Libav-user] Problem with using libavcodec with AV_CODEC_ID_H264

Ashwin Chandra - SISA ashwin.c at sisa.samsung.com
Sat Feb 9 21:24:46 CET 2013


Can you tell me the exact options for the preset you mentioned. I want I and P frames and not B frames to reduce latency but gain better h264 compression rather than mpeg 2.

Sent from my iPhone

On Feb 9, 2013, at 11:38 AM, "Alex Cohn" <alexcohn at netvision.net.il> wrote:

> On Fri, Feb 8, 2013 at 8:21 PM, Ashwin Chandra - SISA
> <ashwin.c at sisa.samsung.com> wrote:
>> All those presets I tried but didn’t help.
> 
> You should try the zerolatency preset, and not allow any b-frames if
> you want to flush so often. You can try to set max gop size to 1. Even
> in this case, h264 is not optimized for this kind of flushing. What
> were the motivations of choosing this codec? JPEG should suit you
> best.
> 
> BR,
> Alex
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