static int msrle_decode_8_16_24_32(AVCodecContext *avctx, AVPicture *pic,
                                   int depth, GetByteContext *gb)
{
    uint8_t *output, *output_end;
    int p1, p2, line=avctx->height - 1, pos=0, i;
    uint16_t pix16;
    uint32_t pix32;
    unsigned int width= FFABS(pic->linesize[0]) / (depth >> 3);

    output     = pic->data[0] + (avctx->height - 1) * pic->linesize[0];
    output_end = pic->data[0] +  avctx->height      * pic->linesize[0];
    while (bytestream2_get_bytes_left(gb) > 0) {
        p1 = bytestream2_get_byteu(gb);
        if(p1 == 0) { //Escape code
            p2 = bytestream2_get_byte(gb);
            if(p2 == 0) { //End-of-line
                output = pic->data[0] + (--line) * pic->linesize[0];
                if (line < 0) {
                    if (bytestream2_get_be16(gb) == 1) { // end-of-picture
                        return 0;
                    } else {
                        av_log(avctx, AV_LOG_ERROR,
                               "Next line is beyond picture bounds (%d bytes left)\n",
                               bytestream2_get_bytes_left(gb));
                        return AVERROR_INVALIDDATA;
                    }
                }
                pos = 0;
                continue;
            } else if(p2 == 1) { //End-of-picture
                return 0;
            } else if(p2 == 2) { //Skip
                p1 = bytestream2_get_byte(gb);
                p2 = bytestream2_get_byte(gb);
                line -= p2;
                pos += p1;
                if (line < 0 || pos >= width){
                    av_log(avctx, AV_LOG_ERROR, "Skip beyond picture bounds\n");
                    return -1;
                }
                output = pic->data[0] + line * pic->linesize[0] + pos * (depth >> 3);
                continue;
            }
            // Copy data
            if ((pic->linesize[0] > 0 && output + p2 * (depth >> 3) > output_end) ||
                (pic->linesize[0] < 0 && output + p2 * (depth >> 3) < output_end)) {
                bytestream2_skip(gb, 2 * (depth >> 3));
                continue;
            } else if (bytestream2_get_bytes_left(gb) < p2 * (depth >> 3)) {
                av_log(avctx, AV_LOG_ERROR, "bytestream overrun\n");
                return AVERROR_INVALIDDATA;
            }

            if ((depth == 8) || (depth == 24)) {
                for(i = 0; i < p2 * (depth >> 3); i++) {
                    *output++ = bytestream2_get_byteu(gb);
                }
                // RLE8 copy is actually padded - and runs are not!
                if(depth == 8 && (p2 & 1)) {
                    bytestream2_skip(gb, 1);
                }
            } else if (depth == 16) {
                for(i = 0; i < p2; i++) {
                    *(uint16_t*)output = bytestream2_get_le16u(gb);
                    output += 2;
                }
            } else if (depth == 32) {
                for(i = 0; i < p2; i++) {
                    *(uint32_t*)output = bytestream2_get_le32u(gb);
                    output += 4;
                }
            }
            pos += p2;
        } else { //run of pixels
            uint8_t pix[3]; //original pixel
            if ((pic->linesize[0] > 0 && output + p1 * (depth >> 3) > output_end) ||
                (pic->linesize[0] < 0 && output + p1 * (depth >> 3) < output_end))
                continue;
            switch(depth){
            case  8: pix[0] = bytestream2_get_byte(gb);
                     break;
            case 16: pix16  = bytestream2_get_le16(gb);
                     break;
            case 24: pix[0] = bytestream2_get_byte(gb);
                     pix[1] = bytestream2_get_byte(gb);
                     pix[2] = bytestream2_get_byte(gb);
                     break;
            case 32: pix32  = bytestream2_get_le32(gb);
                     break;
            }
            switch(depth){
            case  8:
                for(i = 0; i < p1; i++)
                        *output++ = pix[0];
                break;
            case 16:
                for(i = 0; i < p1; i++) {
                        *(uint16_t*)output = pix16;
                        output += 2;
                }
                break;
            case 24:
                for(i = 0; i < p1; i++) {
                        *output++ = pix[0];
                        *output++ = pix[1];
                        *output++ = pix[2];
                }
                break;
            case 32:
                for(i = 0; i < p1; i++) {
                        *(uint32_t*)output = pix32;
                        output += 4;
                }
                break;
            }
            pos += p1;
        }
    }

    av_log(avctx, AV_LOG_WARNING, "MS RLE warning: no end-of-picture code\n");
    return 0;
}