static int dxtory_decode_v1_444(AVCodecContext *avctx, AVFrame *pic,

                                const uint8_t *src, int src_size)

{

    int h, w;

    uint8_t *Y, *U, *V;

    int ret;



    if (src_size < avctx->width * avctx->height * 3) {

        av_log(avctx, AV_LOG_ERROR, "packet too small\n");

        return AVERROR_INVALIDDATA;

    }



    avctx->pix_fmt = AV_PIX_FMT_YUV444P;

    if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)

        return ret;



    Y = pic->data[0];

    U = pic->data[1];

    V = pic->data[2];

    for (h = 0; h < avctx->height; h++) {

        for (w = 0; w < avctx->width; w++) {

            Y[w] = *src++;

            U[w] = *src++ ^ 0x80;

            V[w] = *src++ ^ 0x80;

        }

        Y += pic->linesize[0];

        U += pic->linesize[1];

        V += pic->linesize[2];

    }



    return 0;

}
