[Libav-user] Bad image quality with sws_scale when going from PIX_FMT_YUVJ420P to PIX_FMT_YUV420P

[Kirit Patel]

Hi!,
  I am getting bad image quality when converting from PIX_FMT_YUVJ420P  to
PIX_FMT_YUV420P

>>
                img_convert_ctx = sws_getContext(720, //SrcWidth
                                     480, //SrcHight
                                     PIX_FMT_YUVJ420P //SrcPixelFormat
                                     720, //DestWidth
                                     480, //DestHeight
                                     PIX_FMT_YUV420P  //DestPixelFormat
                                     SWS_FAST_BILINEAR | SWS_PRINT_INFO, 0,
0, 0);
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