[libav-api] H264 Decoding
Luca Barbato
lu_zero at gentoo.org
Tue Jun 7 19:54:53 CEST 2016
On 03/06/16 16:07, Kiara Forman wrote:
> A similar thing happens when i say the image is nv12. I even tried
> nv21. Is there a way to tell the image format from the AVFrame data?
>
>
> Also, AVCodecContext.pix_fmt = AV_PIX_FMT_YUV420P thats going into
> avcodec_decode_video2. Is there some reason why the AVFrame data that
> coming out is not the same pix_fmt?
>
The AVFrame.format field is what determines what is the content of the
frame.
the information in the codec context should not be trusted.
https://blogs.gentoo.org/lu_zero/2015/11/08/trusting-the-context/
lu
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