[FFmpeg-soc] BFI

[Sisir Koppaka]

 In the typedef struct definition of AVCodec in libavcodec/avcodec.h:
1) what does int capabilities; stand for and what is it supposed to contain?
2) Is it compulsory to assign some value to  the PixelFormat variable or can
we leave it since we have already assigned a PIX_FMT_XYZ in the demuxer?
3) What is the void (*flush)(AVCodecContext *)?
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Sisir Koppaka