static int msrle_decode_frame(AVCodecContext *avctx,
                              void *data, int *got_frame,
                              AVPacket *avpkt)
{
    const uint8_t *buf = avpkt->data;
    int buf_size = avpkt->size;
    MsrleContext *s = avctx->priv_data;
    int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
    int ret;
    s->buf = buf;
    s->size = buf_size;
    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
        return ret;
    if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {
        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
        if (pal) {
            s->frame->palette_has_changed = 1;
            memcpy(s->pal, pal, AVPALETTE_SIZE);
        }
        /* make the palette available */
        memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
    }
    /* FIXME how to correctly detect RLE ??? */
    if (avctx->height * istride == avpkt->size) { /* assume uncompressed */
        int linesize = av_image_get_linesize(avctx->pix_fmt, avctx->width, 0);
        uint8_t *ptr = s->frame->data[0];
        uint8_t *buf = avpkt->data + (avctx->height-1)*istride;
        int i, j;
        for (i = 0; i < avctx->height; i++) {
            if (avctx->bits_per_coded_sample == 4) {
                for (j = 0; j < avctx->width - 1; j += 2) {
                    ptr[j+0] = buf[j>>1] >> 4;
                    ptr[j+1] = buf[j>>1] & 0xF;
                }
                if (avctx->width & 1)
                    ptr[j+0] = buf[j>>1] >> 4;
            } else {
                memcpy(ptr, buf, linesize);
            }
            buf -= istride;
            ptr += s->frame->linesize[0];
        }
    } else {
        bytestream2_init(&s->gb, buf, buf_size);
        ff_msrle_decode(avctx, (AVPicture*)s->frame, avctx->bits_per_coded_sample, &s->gb);
    }
    if ((ret = av_frame_ref(data, s->frame)) < 0)
        return ret;
    *got_frame      = 1;
    /* report that the buffer was completely consumed */
    return buf_size;
}
static int msrle_decode_frame(AVCodecContext *avctx,
                              void *data, int *got_frame,
                              AVPacket *avpkt)
{
    const uint8_t *buf = avpkt->data;
    int buf_size = avpkt->size;
    MsrleContext *s = avctx->priv_data;
    int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
    int ret;
    s->buf = buf;
    s->size = buf_size;
    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
        return ret;
    if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {
        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
        if (pal) {
            s->frame->palette_has_changed = 1;
            memcpy(s->pal, pal, AVPALETTE_SIZE);
        }
        
        memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
    }
    
    if (avctx->height * istride == avpkt->size) { 
        int linesize = av_image_get_linesize(avctx->pix_fmt, avctx->width, 0);
        uint8_t *ptr = s->frame->data[0];
        uint8_t *buf = avpkt->data + (avctx->height-1)*istride;
        int i, j;
        for (i = 0; i < avctx->height; i++) {
            if (avctx->bits_per_coded_sample == 4) {
                for (j = 0; j < avctx->width - 1; j += 2) {
                    ptr[j+0] = buf[j>>1] >> 4;
                    ptr[j+1] = buf[j>>1] & 0xF;
                }
                if (avctx->width & 1)
                    ptr[j+0] = buf[j>>1] >> 4;
            } else {
                memcpy(ptr, buf, linesize);
            }
            buf -= istride;
            ptr += s->frame->linesize[0];
        }
    } else {
        bytestream2_init(&s->gb, buf, buf_size);
        ff_msrle_decode(avctx, (AVPicture*)s->frame, avctx->bits_per_coded_sample, &s->gb);
    }
    if ((ret = av_frame_ref(data, s->frame)) < 0)
        return ret;
    *got_frame      = 1;
    
    return buf_size;
}
static int FUNC_0(AVCodecContext *VAR_0,
                              void *VAR_1, int *VAR_2,
                              AVPacket *VAR_3)
{
    const uint8_t *VAR_4 = VAR_3->VAR_1;
    int VAR_5 = VAR_3->size;
    MsrleContext *s = VAR_0->priv_data;
    int VAR_6 = FFALIGN(VAR_0->width*VAR_0->bits_per_coded_sample, 32) / 8;
    int VAR_7;
    s->VAR_4 = VAR_4;
    s->size = VAR_5;
    if ((VAR_7 = ff_reget_buffer(VAR_0, s->frame)) < 0)
        return VAR_7;
    if (VAR_0->bits_per_coded_sample > 1 && VAR_0->bits_per_coded_sample <= 8) {
        const uint8_t *VAR_8 = av_packet_get_side_data(VAR_3, AV_PKT_DATA_PALETTE, NULL);
        if (VAR_8) {
            s->frame->palette_has_changed = 1;
            memcpy(s->VAR_8, VAR_8, AVPALETTE_SIZE);
        }
        
        memcpy(s->frame->VAR_1[1], s->VAR_8, AVPALETTE_SIZE);
    }
    
    if (VAR_0->height * VAR_6 == VAR_3->size) { 
        int VAR_9 = av_image_get_linesize(VAR_0->pix_fmt, VAR_0->width, 0);
        uint8_t *ptr = s->frame->VAR_1[0];
        uint8_t *VAR_4 = VAR_3->VAR_1 + (VAR_0->height-1)*VAR_6;
        int VAR_10, VAR_11;
        for (VAR_10 = 0; VAR_10 < VAR_0->height; VAR_10++) {
            if (VAR_0->bits_per_coded_sample == 4) {
                for (VAR_11 = 0; VAR_11 < VAR_0->width - 1; VAR_11 += 2) {
                    ptr[VAR_11+0] = VAR_4[VAR_11>>1] >> 4;
                    ptr[VAR_11+1] = VAR_4[VAR_11>>1] & 0xF;
                }
                if (VAR_0->width & 1)
                    ptr[VAR_11+0] = VAR_4[VAR_11>>1] >> 4;
            } else {
                memcpy(ptr, VAR_4, VAR_9);
            }
            VAR_4 -= VAR_6;
            ptr += s->frame->VAR_9[0];
        }
    } else {
        bytestream2_init(&s->gb, VAR_4, VAR_5);
        ff_msrle_decode(VAR_0, (AVPicture*)s->frame, VAR_0->bits_per_coded_sample, &s->gb);
    }
    if ((VAR_7 = av_frame_ref(VAR_1, s->frame)) < 0)
        return VAR_7;
    *VAR_2      = 1;
    
    return VAR_5;
}
static int FUNC_0(AVCodecContext *VAR_0,
void *VAR_1, int *VAR_2,
AVPacket *VAR_3)
{ const uint8_t *VAR_4 = VAR_3->VAR_1; int VAR_5 = VAR_3->size; MsrleContext *s = VAR_0->priv_data; int VAR_6 = FFALIGN(VAR_0->width*VAR_0->bits_per_coded_sample, 32) / 8; int VAR_7; s->VAR_4 = VAR_4; s->size = VAR_5; if ((VAR_7 = ff_reget_buffer(VAR_0, s->frame)) < 0)
return VAR_7; if (VAR_0->bits_per_coded_sample > 1 && VAR_0->bits_per_coded_sample <= 8) { const uint8_t *VAR_8 = av_packet_get_side_data(VAR_3, AV_PKT_DATA_PALETTE, NULL); if (VAR_8) { s->frame->palette_has_changed = 1; memcpy(s->VAR_8, VAR_8, AVPALETTE_SIZE); } memcpy(s->frame->VAR_1[1], s->VAR_8, AVPALETTE_SIZE); } if (VAR_0->height * VAR_6 == VAR_3->size) { int VAR_9 = av_image_get_linesize(VAR_0->pix_fmt, VAR_0->width, 0); uint8_t *ptr = s->frame->VAR_1[0]; uint8_t *VAR_4 = VAR_3->VAR_1 + (VAR_0->height-1)*VAR_6; int VAR_10, VAR_11; for (VAR_10 = 0; VAR_10 < VAR_0->height; VAR_10++) { if (VAR_0->bits_per_coded_sample == 4) { for (VAR_11 = 0; VAR_11 < VAR_0->width - 1; VAR_11 += 2) { ptr[VAR_11+0] = VAR_4[VAR_11>>1] >> 4; ptr[VAR_11+1] = VAR_4[VAR_11>>1] & 0xF; } if (VAR_0->width & 1)
ptr[VAR_11+0] = VAR_4[VAR_11>>1] >> 4; } else { memcpy(ptr, VAR_4, VAR_9); } VAR_4 -= VAR_6; ptr += s->frame->VAR_9[0]; } } else { bytestream2_init(&s->gb, VAR_4, VAR_5); ff_msrle_decode(VAR_0, (AVPicture*)s->frame, VAR_0->bits_per_coded_sample, &s->gb); } if ((VAR_7 = av_frame_ref(VAR_1, s->frame)) < 0)
return VAR_7; *VAR_2      = 1; return VAR_5; }