static int dxtory_decode_v2_rgb(AVCodecContext *avctx, AVFrame *pic,

                                const uint8_t *src, int src_size)

{

    GetByteContext gb;

    GetBitContext  gb2;

    int nslices, slice, slice_height;

    uint32_t off, slice_size;

    uint8_t *dst;

    int ret;



    bytestream2_init(&gb, src, src_size);

    nslices = bytestream2_get_le16(&gb);

    off = FFALIGN(nslices * 4 + 2, 16);

    if (src_size < off) {

        av_log(avctx, AV_LOG_ERROR, "no slice data\n");

        return AVERROR_INVALIDDATA;

    }



    if (!nslices || avctx->height % nslices) {

        avpriv_request_sample(avctx, "%d slices for %dx%d", nslices,

                              avctx->width, avctx->height);

        return AVERROR_PATCHWELCOME;

    }



    slice_height = avctx->height / nslices;

    avctx->pix_fmt = AV_PIX_FMT_BGR24;

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

        return ret;



    dst = pic->data[0];

    for (slice = 0; slice < nslices; slice++) {

        slice_size = bytestream2_get_le32(&gb);

        if (slice_size > src_size - off) {

            av_log(avctx, AV_LOG_ERROR,

                   "invalid slice size %"PRIu32" (only %"PRIu32" bytes left)\n",

                   slice_size, src_size - off);

            return AVERROR_INVALIDDATA;

        }

        if (slice_size <= 16) {

            av_log(avctx, AV_LOG_ERROR, "invalid slice size %"PRIu32"\n",

                   slice_size);

            return AVERROR_INVALIDDATA;

        }



        if (AV_RL32(src + off) != slice_size - 16) {

            av_log(avctx, AV_LOG_ERROR,

                   "Slice sizes mismatch: got %"PRIu32" instead of %"PRIu32"\n",

                   AV_RL32(src + off), slice_size - 16);

        }

        init_get_bits(&gb2, src + off + 16, (slice_size - 16) * 8);

        dx2_decode_slice_rgb(&gb2, avctx->width, slice_height, dst,

                             pic->linesize[0]);



        dst += pic->linesize[0] * slice_height;

        off += slice_size;

    }



    return 0;

}

static int dxtory_decode_v2_rgb(AVCodecContext *avctx, AVFrame *pic,

                                const uint8_t *src, int src_size)

{

    GetByteContext gb;

    GetBitContext  gb2;

    int nslices, slice, slice_height;

    uint32_t off, slice_size;

    uint8_t *dst;

    int ret;



    bytestream2_init(&gb, src, src_size);

    nslices = bytestream2_get_le16(&gb);

    off = FFALIGN(nslices * 4 + 2, 16);

    if (src_size < off) {

        av_log(avctx, AV_LOG_ERROR, "no slice data\n");

        return AVERROR_INVALIDDATA;

    }



    if (!nslices || avctx->height % nslices) {

        avpriv_request_sample(avctx, "%d slices for %dx%d", nslices,

                              avctx->width, avctx->height);

        return AVERROR_PATCHWELCOME;

    }



    slice_height = avctx->height / nslices;

    avctx->pix_fmt = AV_PIX_FMT_BGR24;

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

        return ret;



    dst = pic->data[0];

    for (slice = 0; slice < nslices; slice++) {

        slice_size = bytestream2_get_le32(&gb);

        if (slice_size > src_size - off) {

            av_log(avctx, AV_LOG_ERROR,

                   "invalid slice size %"PRIu32" (only %"PRIu32" bytes left)\n",

                   slice_size, src_size - off);

            return AVERROR_INVALIDDATA;

        }

        if (slice_size <= 16) {

            av_log(avctx, AV_LOG_ERROR, "invalid slice size %"PRIu32"\n",

                   slice_size);

            return AVERROR_INVALIDDATA;

        }



        if (AV_RL32(src + off) != slice_size - 16) {

            av_log(avctx, AV_LOG_ERROR,

                   "Slice sizes mismatch: got %"PRIu32" instead of %"PRIu32"\n",

                   AV_RL32(src + off), slice_size - 16);

        }

        init_get_bits(&gb2, src + off + 16, (slice_size - 16) * 8);

        dx2_decode_slice_rgb(&gb2, avctx->width, slice_height, dst,

                             pic->linesize[0]);



        dst += pic->linesize[0] * slice_height;

        off += slice_size;

    }



    return 0;

}

static int FUNC_0(AVCodecContext *VAR_0, AVFrame *VAR_1,

                                const uint8_t *VAR_2, int VAR_3)

{

    GetByteContext gb;

    GetBitContext  gb2;

    int VAR_4, VAR_5, VAR_6;

    uint32_t off, slice_size;

    uint8_t *dst;

    int VAR_7;



    bytestream2_init(&gb, VAR_2, VAR_3);

    VAR_4 = bytestream2_get_le16(&gb);

    off = FFALIGN(VAR_4 * 4 + 2, 16);

    if (VAR_3 < off) {

        av_log(VAR_0, AV_LOG_ERROR, "no VAR_5 data\n");

        return AVERROR_INVALIDDATA;

    }



    if (!VAR_4 || VAR_0->height % VAR_4) {

        avpriv_request_sample(VAR_0, "%d slices for %dx%d", VAR_4,

                              VAR_0->width, VAR_0->height);

        return AVERROR_PATCHWELCOME;

    }



    VAR_6 = VAR_0->height / VAR_4;

    VAR_0->pix_fmt = AV_PIX_FMT_BGR24;

    if ((VAR_7 = ff_get_buffer(VAR_0, VAR_1, 0)) < 0)

        return VAR_7;



    dst = VAR_1->data[0];

    for (VAR_5 = 0; VAR_5 < VAR_4; VAR_5++) {

        slice_size = bytestream2_get_le32(&gb);

        if (slice_size > VAR_3 - off) {

            av_log(VAR_0, AV_LOG_ERROR,

                   "invalid VAR_5 size %"PRIu32" (only %"PRIu32" bytes left)\n",

                   slice_size, VAR_3 - off);

            return AVERROR_INVALIDDATA;

        }

        if (slice_size <= 16) {

            av_log(VAR_0, AV_LOG_ERROR, "invalid VAR_5 size %"PRIu32"\n",

                   slice_size);

            return AVERROR_INVALIDDATA;

        }



        if (AV_RL32(VAR_2 + off) != slice_size - 16) {

            av_log(VAR_0, AV_LOG_ERROR,

                   "Slice sizes mismatch: got %"PRIu32" instead of %"PRIu32"\n",

                   AV_RL32(VAR_2 + off), slice_size - 16);

        }

        init_get_bits(&gb2, VAR_2 + off + 16, (slice_size - 16) * 8);

        dx2_decode_slice_rgb(&gb2, VAR_0->width, VAR_6, dst,

                             VAR_1->linesize[0]);



        dst += VAR_1->linesize[0] * VAR_6;

        off += slice_size;

    }



    return 0;

}

static int FUNC_0(AVCodecContext *VAR_0, AVFrame *VAR_1,
const uint8_t *VAR_2, int VAR_3)
{ GetByteContext gb; GetBitContext  gb2; int VAR_4, VAR_5, VAR_6; uint32_t off, slice_size; uint8_t *dst; int VAR_7; bytestream2_init(&gb, VAR_2, VAR_3); VAR_4 = bytestream2_get_le16(&gb); off = FFALIGN(VAR_4 * 4 + 2, 16); if (VAR_3 < off) { av_log(VAR_0, AV_LOG_ERROR, "no VAR_5 data\n"); return AVERROR_INVALIDDATA; } if (!VAR_4 || VAR_0->height % VAR_4) { avpriv_request_sample(VAR_0, "%d slices for %dx%d", VAR_4,
VAR_0->width, VAR_0->height); return AVERROR_PATCHWELCOME; } VAR_6 = VAR_0->height / VAR_4; VAR_0->pix_fmt = AV_PIX_FMT_BGR24; if ((VAR_7 = ff_get_buffer(VAR_0, VAR_1, 0)) < 0)
return VAR_7; dst = VAR_1->data[0]; for (VAR_5 = 0; VAR_5 < VAR_4; VAR_5++) { slice_size = bytestream2_get_le32(&gb); if (slice_size > VAR_3 - off) { av_log(VAR_0, AV_LOG_ERROR,
"invalid VAR_5 size %"PRIu32" (only %"PRIu32" bytes left)\n",
slice_size, VAR_3 - off); return AVERROR_INVALIDDATA; } if (slice_size <= 16) { av_log(VAR_0, AV_LOG_ERROR, "invalid VAR_5 size %"PRIu32"\n",
slice_size); return AVERROR_INVALIDDATA; } if (AV_RL32(VAR_2 + off) != slice_size - 16) { av_log(VAR_0, AV_LOG_ERROR,
"Slice sizes mismatch: got %"PRIu32" instead of %"PRIu32"\n",
AV_RL32(VAR_2 + off), slice_size - 16); } init_get_bits(&gb2, VAR_2 + off + 16, (slice_size - 16) * 8); dx2_decode_slice_rgb(&gb2, VAR_0->width, VAR_6, dst,
VAR_1->linesize[0]); dst += VAR_1->linesize[0] * VAR_6; off += slice_size; } return 0; }