[x265] x265 ignores SAR (derived from Y4M header or as CLI flag)

[Mario *LigH* Rohkrämer]

Am 03.11.2014, 19:23 Uhr, schrieb Steve Borho <steve at borho.org>:

> On 11/03, Mario *LigH* Rohkrämer wrote:
>> Am 03.11.2014, 11:19 Uhr, schrieb Mario *LigH* Rohkrämer  
>> <contact at ligh.de>:
>>
>> >And MediaInfo does not recognize a custom SAR either if I add it as
>> >command line option "--sar 128:117", same result:
>>
>> Adding "--sar 2" (for 12:11 as next similar ratio to 128:117) doesn't  
>> change
>> the output either, according to MediaInfo (still recognizes SAR 1.000).
>
> If I add --sar 2 to any command line, and open the resulting bitstream
> in a stream analyzer, I see:
>
> SPS->VUI->aspect_ratio_info_present = 1
> SPS->VUI->aspect_ratio_idc = 2
>
> That should be all x265 is required to do.

CodecVisa confirms the presence of the custom aspect ratio (idc=255).

So it seems that neither MediaInfo nor MPC-HC nor VLC are able to detect  
them, yet.

MPC-HC will probably rely on internal MediaInfo analysis results, so I'll  
have a look at their bug tracker.

-- 

Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de