[FFmpeg-user] Not using all resources

[Henk D. Schoneveld]

On 15 Sep 2015, at 00:34, Andy Furniss <adf.lists at gmail.com> wrote:

> Henk D. Schoneveld wrote:
>> 
>> On 12 Sep 2015, at 22:16, Andy Furniss <adf.lists at gmail.com> wrote:
>> 
>>> Henk D. Schoneveld wrote:
>>>> First tried to upload to incoming but ii’s presented to me as RO
>>>> 
>>>> Uploaded a 20MB file for someone interested in investigating at:
>>>> http://we.tl/CpG3aaamaO
>>> 
>>> It does seem to decode slower than other similar bitrate TV samples
>>> I have.
> 
>> Would this suggest that load when playing of such a file is higher
>> then ‘normal behaving’ files ?
> 
> I don't know about that - there seems to be spare, but then I don't
> really trust top.
> 
> The sample is quite short, so could be misleading, but looking at the
> fps counter doing -
> 
> ffmpeg -i infile -an -sn -f null -
> 
> I get around 89 for your sample but 134 for the first bit of a similar
> bitrate dvb sample I have.
That’s about the same relative performance 89/134 as I’m seeing during encoding between the different kind of source files.
> 
>> Or write-speed of decoded output to SSD or memory would be
>> limited/lower then ‘normal behaving’ files ?
> 
> I guess so if it decodes slower.
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