[FFmpeg-user] Decode H264 and save to yuv file

[edward20]

Spirian wrote
> Normally, Decode means converting an codec format to .yuv or rgb24 format.
> for ffmpeg : ffmepg -i x1.avi x2.yuv  x1=input x2=output   
> 
> 
> 
> 
> ------------------ Original ------------------
> From:  "Paul B Mahol"<

> onemda@

> >;
> Date:  Sat, Jul 27, 2013 04:00 AM
> To:  "FFmpeg user questions"<

> ffmpeg-user@

> >; 
> 
> Subject:  Re: [FFmpeg-user] Decode H264 and save to yuv file
> 
> 
> 
> On 7/26/13, edward20 <

> edward.chopuryan@

> > wrote:
>> Hello everyone,
>>
>> I am new here and I am trying to decode video using ffmpeg c API and save
>> as
>> yuv file with YUV420P pixel format.
>>
>> All examples that I have seen they converting extracted frames to RGB or
>> PPM
>> and then saving them to file.
>> But I want to save as YUV. I don't know do I have to convert frames after
>> decoding them or maybe after decoding the frames are already YUV frames.
>> Any
>> help will be appreciated.
> 
> Usually videos are in yuv420 and decoder outputs it in yuv420 planar
> format. So after decoding there is nothing left to do.
> 
> But perhaps you need packed yuv format?
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Thanks for your reply but actually I need an example of C code how to save
frames in file after decoding video and extracting frames. Can you provide
me an example?



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