[MPlayer-dev-eng] [PATCH] MJPEG camera support for v4l2 driver

[Aurelien Jacobs]

On Tue, 21 Feb 2006 23:46:45 +0100
Luca Barbieri <luca.barbieri at gmail.com> wrote:

> The attached patch allows MPlayer to get an MJPEG format stream from
> cameras that support it such as the Logitech QuickCam Pro
> 5000/Fusion/Orbit with the uvcvideo driver.
> 
> To use it, just specify the option "-tv driver=v4l2:outfmt=mjpeg".
> 
> [...]
> 
>      int bytesperline = w*d/8;
> -
> +    int sizeimage = priv->format.fmt.pix.sizeimage ? priv->format.fmt.pix.sizeimage : (bytesperline * h);
> +    
>      if (tv_param_buffer_size >= 0) {

Cosmetics and moreover adding trailing whitespace... should be removed.

>      int bytesperline = w*d/8;
> -
> -    memcpy(dest, source, bytesperline * h);
> +    int sizeimage = priv->format.fmt.pix.sizeimage ? priv->format.fmt.pix.sizeimage : (bytesperline * h);
> +    
> +    memcpy(dest, source, sizeimage);
>  }

Cosmetics, and won't compile with gcc 2.95. Variables need to be declared
at the begining of a block.

Aurel