[FFmpeg-devel] [PATCH v9] lavc/rawdec: Remove monowhite switching code for 1 bpp AVI without a palette

[Mats Peterson]

On 02/13/2016 12:54 PM, Mats Peterson wrote:
> On 02/13/2016 12:52 PM, Mats Peterson wrote:
>>>> just double checked, this is not the case in written pal8 nut files
>>>> nor does the nut spec say anything about that.
>>>>
>>>
>>> Then check an odd-width nut file like the one below. And FFmpeg doesn't
>>> care about specs when using "-vcodec copy". The stride will be the one
>>> of the original data, whether it's 2, 4 or some other amount of bytes.
>>>
>
> The stride will be *aligned* to 2, 4 or some other amount of bytes.
>
> Mats
>

Try "ffmpeg -i 8bpp_129.avi -vcodec rawvideo 8bpp_129.nut" with the file 
below. It will have a stride aligned to 4 bytes like the original AVI 
file, and per the Microsoft specification, since it doesn't "-vcodec 
copy" won't touch the video data.

https://drive.google.com/open?id=0B3_pEBoLs0faekxWUTdkVGNTTlk