[x264-devel] aqp and bit rate if content is static

[Johannes Ebersold]

Hi,

you were right, the intra-refresh was running all the time, we fixed 
this and now everything works like expected :)

Thanks again for your help
Johannes

On 03/29/2012 07:01 PM, Jason Garrett-Glaser wrote:
> On Thu, Mar 29, 2012 at 9:31 AM, Johannes Ebersold
> <johannes.ebersold at dfki.de>  wrote:
>> Hi,
>>
>> thanks for your answer and your great work on the x264 encoder :)
>>
>> I am short on time today, but may provide a sample tomorrow ...
>>
>> We did some testing today and dropped the idea of increasing quality by
>> adjusting QPs, thus we now have a stream with normal CRF setting (23) and
>> AQ.
>>
>> But our problem remains ... and maybe i should clarify my question somewhat:
>> We put the same image into the encoder about  500 times in a row, might also
>> be more or less, just to say a concrete and realistic number ;) The bit
>> rate, after the first frame, should drop to (nearly) zero, even with intra
>> refresh activated and started with the first of those 500 frames?
>> Unfortunately this does not happen and the bit rate is on a constant (high)
>> level.
> Can you post an encoded output file?
>
> Are you sure that intra refresh isn't running continuously, thus
> continually using bits?  It runs every keyint frames.
>
> Jason
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