[FFmpeg-user] Need some help for saving bmp

[Etienne Buira]

On Thu, May 26, 2011 at 04:43:34PM +0800, 铁 慕容 wrote:
> 
> Hi Guys
>  
> DO you know how to save a decoded file to bmp format? I used the following command to decode a VC3 file and save the result, but failed. The interesting thing is when I decode a dv file, it works.

With the exact same ordering?

> ./ffmpeg -i Frame1.VC3 -vcodec dnxhd -r 25 -b 200k -sameq -y -f image2 output%03.bmp

Here, -vcodec applies to output. Also, I doubt -b 200k -sameq (which
contradict themselves) is of any use for bmp output.

> The error message was given: 
>  
> [dnxhd @ 0x1447f20]video parameters incompatible with DNxHD
> Output #0, image2, to 'output%03.bmp':
>     Stream #0.0: Video: dnxhd, yuv422p, 1920x1080, q=2-31, 200 kb/s, 90k tbn, 25 tbc
> Stream mapping:
>   Stream #0.0 -> #0.0
> Error while opening encoder for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width or height
                                  ^^^^^^
> av_transcode() OUT
> 
> What's the problem? Thanks a lot.
>  
> 
> Kind Wishes
>  
> Yours
> Chao.Guo
> 
> 
>  		 	   		  
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