Save YUV to Disk

AVFrame *avFrame;

    char *pName = "/Users/mac/myfiles2/test_30.yuv";

    FILE *ff = fopen(pName, "wb");//????

    int pic;

    avcodec_decode_video2(avCodecContext, avFrame, &pic, &avPacket);

    NSLog(@"...decode finished<<<");

    //width: 352

    //height: 288

    if (pic != 0) {

            for(int i=0; i<288; i++)

                    fwrite(avFrame->data[0] + i * avFrame->linesize[0], 1, 352, ff);

            for(int i=0; i<288/2; i++)

                    fwrite(avFrame->data[1] + i * avFrame->linesize[1], 1, 352/2, ff);

            for(int i=0; i<288/2; i++)

                    fwrite(avFrame->data[2] + i * avFrame->linesize[2], 1, 352/2, ff);

    }