[FFmpeg-devel] [PATCH] avformat/avienc: Store pal8 palette

[Mats Peterson]

On 02/18/2016 10:40 PM, Mats Peterson wrote:
> On 02/18/2016 10:27 PM, Mats Peterson wrote:
>> On 02/18/2016 09:14 PM, Michael Niedermayer wrote:
>>> This can be made more efficient, but first and the main goal of this
>>> change is to
>>> store it at all
>> Great, Michael. I'll try it out.
>>
>> Mats
>>
>
> I notice that the palette inclusion is only made by using 'xxpc' chunks
> in the video data so far. I'm not so sure if these in-data palette
> changing chunks are widely supported. Therefore, first and foremost, and
> the most widely supported way in my book, is to add an "initial" palette
> after the BITMAPINFOHEADER in the strf chunk. That's where I found it to
> be a bit tricky, but I'm sure you can solve it in some way.
>
> Mats
>

FFplay plays these files fine, but Windows XP Media Player needs that 
palette after the BITMAPINFOHEADER. It doesn't seem to care about those 
'xxpc' chunks. Interesting, since the Media Player ought to support 
everything in the AVI specs.

Mats