[Ffmpeg-devel] Image width converted from 320 to 352 pixels

[Ramiro Polla]

----- Original Message ----- 
From: "Panagiotis Issaris" <takis.issaris at uhasselt.be>
To: "FFMpeg development discussions and patches" <ffmpeg-devel at mplayerhq.hu>
Sent: Friday, June 09, 2006 5:41 AM
Subject: Re: [Ffmpeg-devel] Image width converted from 320 to 352 pixels


> Hi,
>
> Ramiro Polla wrote:
>> [...]
>> I noticed the buffer is for 352x240 pixels. With my 320x240 image, I 
>> simply lose 32 pixels every line. So every line starts shifted by another 
>> 32 pixels, and the image goes short at the end. It's like if I took a 
>> [320][240] array and made it [352][240], not displaying 32 pixels per 
>> line. Like
>> [...]
>> Is there something I'm missing from withing libavcodec about buffer sizes 
>> or something like that?
>
> I do not really know what structs you are using, but if you are using 
> AVFrame, then besides the actual buffer data, stored in "uint8_t 
> *data[4];"
> there's also the "int linesize[4];" which is possibly 352 in your specific 
> case. So, the width of the image is not necessarily the same as the 
> linesize
> or stride.
>
> Hope this helps (if I understood your problem correctly in the first place 
> :) ).
>

Oh..... Thanks. Got it.
Ramiro Polla

> With friendly regards,
> Takis
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