libavcodec/rv34.c:1658: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `ff_er_frame_end`.

libavcodec/rv34.c:1658:13: Call
1656.             av_log(avctx, AV_LOG_ERROR, "New frame but still %d MB left.",
1657.                    s->mb_num_left);
1658.             ff_er_frame_end(s);
                  ^
1659.             ff_MPV_frame_end(s);
1660.         }

libavcodec/error_resilience.c:882:1: Parameter `s->list_count`
  880. }
  881. 
  882. void ff_er_frame_end(MpegEncContext *s)
       ^
  883. {
  884.     int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;

libavcodec/error_resilience.c:1060:23: Call
  1058.            dc_error, ac_error, mv_error);
  1059. 
  1060.     is_intra_likely = is_intra_more_likely(s);
                              ^
  1061. 
  1062.     /* set unknown mb-type to most likely */

libavcodec/error_resilience.c:718:1: Parameter `s->list_count`
    716. }
    717. 
    718. static int is_intra_more_likely(MpegEncContext *s)
         ^
    719. {
    720.     int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;

libavcodec/error_resilience.c:1125:13: Call
  1123.             s->mb_x = mb_x;
  1124.             s->mb_y = mb_y;
  1125.             decode_mb(s, 0 /* FIXME h264 partitioned slices need this set */);
                    ^
  1126.         }
  1127.     }

libavcodec/error_resilience.c:43:1: Parameter `s->list_count`
    41. #undef mb_intra
    42. 
    43. static void decode_mb(MpegEncContext *s, int ref)
        ^
    44. {
    45.     s->dest[0] = s->current_picture.f.data[0] + (s->mb_y *  16                       * s->linesize)   + s->mb_x *  16;

libavcodec/error_resilience.c:66:9: Call
    64.                        pack16to32(s->mv[0][0][0], s->mv[0][0][1]), 4);
    65.         assert(!FRAME_MBAFF);
    66.         ff_h264_hl_decode_mb(h);
                ^
    67.     } else {
    68.         assert(ref == 0);

libavcodec/h264.c:2442:1: Parameter `h->list_count`
      2440. }
      2441. 
      2442. void ff_h264_hl_decode_mb(H264Context *h)
            ^
      2443. {
      2444.     MpegEncContext *const s = &h->s;

libavcodec/h264.c:2451:13: Call
      2449.     if (CHROMA444) {
      2450.         if (is_complex || h->pixel_shift)
      2451.             hl_decode_mb_444_complex(h);
                        ^
      2452.         else
      2453.             hl_decode_mb_444_simple(h);

libavcodec/h264.c:2432:1: Parameter `h->list_count`
        2430. }
        2431. 
        2432. static void av_noinline hl_decode_mb_444_complex(H264Context *h)
              ^
        2433. {
        2434.     hl_decode_mb_444_internal(h, 0, h->pixel_shift);

libavcodec/h264.c:2434:5: Call
        2432. static void av_noinline hl_decode_mb_444_complex(H264Context *h)
        2433. {
        2434.     hl_decode_mb_444_internal(h, 0, h->pixel_shift);
                  ^
        2435. }
        2436. 

libavcodec/h264.c:2309:1: Parameter `h->list_count`
          2307. }
          2308. 
          2309. static av_always_inline void hl_decode_mb_444_internal(H264Context *h,
                ^
          2310.                                                        int simple,
          2311.                                                        int pixel_shift)

libavcodec/h264.c:2394:13: Call
          2392.                                linesize, 0, 1, simple, pixel_shift);
          2393.         } else {
          2394.             hl_motion(h, dest[0], dest[1], dest[2],
                            ^
          2395.                       s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
          2396.                       s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,

libavcodec/h264.c:769:1: Parameter `h->list_count`
            767. }
            768. 
            769. static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y,
                 ^
            770.                                        uint8_t *dest_cb, uint8_t *dest_cr,
            771.                                        qpel_mc_func(*qpix_put)[16],

libavcodec/h264.c:786:9: Call
            784. 
            785.     if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
            786.         await_references(h);
                         ^
            787.     prefetch_motion(h, 0, pixel_shift, chroma_idc);
            788. 

libavcodec/h264.c:336:1: <LHS trace>
334.  * @param h the H264 context
335.  */
336. static void await_references(H264Context *h)
     ^
337. {
338.     MpegEncContext *const s = &h->s;

libavcodec/h264.c:336:1: Parameter `h->list_count`
              334.  * @param h the H264 context
              335.  */
              336. static void await_references(H264Context *h)
                   ^
              337. {
              338.     MpegEncContext *const s = &h->s;

libavcodec/h264.c:407:10: Binary operation: ([0, +oo] - 1):unsigned32 by call to `ff_er_frame_end` 
              405.     }
              406. 
              407.     for (list = h->list_count - 1; list >= 0; list--)
                            ^
              408.         for (ref = 0; ref < 48 && nrefs[list]; ref++) {
              409.             int row = refs[list][ref];

static void await_references(H264Context *h)
{
    MpegEncContext *const s = &h->s;
    const int mb_xy   = h->mb_xy;
    const int mb_type = s->current_picture.f.mb_type[mb_xy];
    int refs[2][48];
    int nrefs[2] = { 0 };
    int ref, list;
    memset(refs, -1, sizeof(refs));
    if (IS_16X16(mb_type)) {
        get_lowest_part_y(h, refs, 0, 16, 0,
                          IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
    } else if (IS_16X8(mb_type)) {
        get_lowest_part_y(h, refs, 0, 8, 0,
                          IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
        get_lowest_part_y(h, refs, 8, 8, 8,
                          IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
    } else if (IS_8X16(mb_type)) {
        get_lowest_part_y(h, refs, 0, 16, 0,
                          IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
        get_lowest_part_y(h, refs, 4, 16, 0,
                          IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
    } else {
        int i;
        assert(IS_8X8(mb_type));
        for (i = 0; i < 4; i++) {
            const int sub_mb_type = h->sub_mb_type[i];
            const int n           = 4 * i;
            int y_offset          = (i & 2) << 2;
            if (IS_SUB_8X8(sub_mb_type)) {
                get_lowest_part_y(h, refs, n, 8, y_offset,
                                  IS_DIR(sub_mb_type, 0, 0),
                                  IS_DIR(sub_mb_type, 0, 1),
                                  nrefs);
            } else if (IS_SUB_8X4(sub_mb_type)) {
                get_lowest_part_y(h, refs, n, 4, y_offset,
                                  IS_DIR(sub_mb_type, 0, 0),
                                  IS_DIR(sub_mb_type, 0, 1),
                                  nrefs);
                get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,
                                  IS_DIR(sub_mb_type, 0, 0),
                                  IS_DIR(sub_mb_type, 0, 1),
                                  nrefs);
            } else if (IS_SUB_4X8(sub_mb_type)) {
                get_lowest_part_y(h, refs, n, 8, y_offset,
                                  IS_DIR(sub_mb_type, 0, 0),
                                  IS_DIR(sub_mb_type, 0, 1),
                                  nrefs);
                get_lowest_part_y(h, refs, n + 1, 8, y_offset,
                                  IS_DIR(sub_mb_type, 0, 0),
                                  IS_DIR(sub_mb_type, 0, 1),
                                  nrefs);
            } else {
                int j;
                assert(IS_SUB_4X4(sub_mb_type));
                for (j = 0; j < 4; j++) {
                    int sub_y_offset = y_offset + 2 * (j & 2);
                    get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,
                                      IS_DIR(sub_mb_type, 0, 0),
                                      IS_DIR(sub_mb_type, 0, 1),
                                      nrefs);
                }
            }
        }
    }
    for (list = h->list_count - 1; list >= 0; list--)
        for (ref = 0; ref < 48 && nrefs[list]; ref++) {
            int row = refs[list][ref];
            if (row >= 0) {
                Picture *ref_pic      = &h->ref_list[list][ref];
                int ref_field         = ref_pic->f.reference - 1;
                int ref_field_picture = ref_pic->field_picture;
                int pic_height        = 16 * s->mb_height >> ref_field_picture;
                row <<= MB_MBAFF;
                nrefs[list]--;
                if (!FIELD_PICTURE && ref_field_picture) {
                    ff_thread_await_progress(&ref_pic->f,
                                             FFMIN((row >> 1) - !(row & 1),
                                                   pic_height - 1),
                                             1);
                    ff_thread_await_progress(&ref_pic->f,
                                             FFMIN((row >> 1), pic_height - 1),
                                             0);
                } else if (FIELD_PICTURE && !ref_field_picture) {
                    ff_thread_await_progress(&ref_pic->f,
                                             FFMIN(row * 2 + ref_field,
                                                   pic_height - 1),
                                             0);
                } else if (FIELD_PICTURE) {
                    ff_thread_await_progress(&ref_pic->f,
                                             FFMIN(row, pic_height - 1),
                                             ref_field);
                } else {
                    ff_thread_await_progress(&ref_pic->f,
                                             FFMIN(row, pic_height - 1),
                                             0);
                }
            }
        }
}
['int ff_rv34_decode_frame(AVCodecContext *avctx,\n                            void *data, int *got_picture_ptr,\n                            AVPacket *avpkt)\n{\n    const uint8_t *buf = avpkt->data;\n    int buf_size = avpkt->size;\n    RV34DecContext *r = avctx->priv_data;\n    MpegEncContext *s = &r->s;\n    AVFrame *pict = data;\n    SliceInfo si;\n    int i;\n    int slice_count;\n    const uint8_t *slices_hdr = NULL;\n    int last = 0;\n    if (buf_size == 0) {\n        if (s->low_delay==0 && s->next_picture_ptr) {\n            *pict = s->next_picture_ptr->f;\n            s->next_picture_ptr = NULL;\n            *got_picture_ptr = 1;\n        }\n        return 0;\n    }\n    if(!avctx->slice_count){\n        slice_count = (*buf++) + 1;\n        slices_hdr = buf + 4;\n        buf += 8 * slice_count;\n        buf_size -= 1 + 8 * slice_count;\n    }else\n        slice_count = avctx->slice_count;\n    if(get_slice_offset(avctx, slices_hdr, 0) < 0 ||\n       get_slice_offset(avctx, slices_hdr, 0) > buf_size){\n        av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\\n");\n        return AVERROR_INVALIDDATA;\n    }\n    init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, 0), (buf_size-get_slice_offset(avctx, slices_hdr, 0))*8);\n    if(r->parse_slice_header(r, &r->s.gb, &si) < 0 || si.start){\n        av_log(avctx, AV_LOG_ERROR, "First slice header is incorrect\\n");\n        return AVERROR_INVALIDDATA;\n    }\n    if ((!s->last_picture_ptr || !s->last_picture_ptr->f.data[0]) &&\n        si.type == AV_PICTURE_TYPE_B) {\n        av_log(avctx, AV_LOG_ERROR, "Invalid decoder state: B-frame without "\n               "reference data.\\n");\n        return AVERROR_INVALIDDATA;\n    }\n    if(   (avctx->skip_frame >= AVDISCARD_NONREF && si.type==AV_PICTURE_TYPE_B)\n       || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=AV_PICTURE_TYPE_I)\n       ||  avctx->skip_frame >= AVDISCARD_ALL)\n        return avpkt->size;\n    if (si.start == 0) {\n        if (s->mb_num_left > 0) {\n            av_log(avctx, AV_LOG_ERROR, "New frame but still %d MB left.",\n                   s->mb_num_left);\n            ff_er_frame_end(s);\n            ff_MPV_frame_end(s);\n        }\n        if (s->width != si.width || s->height != si.height) {\n            int err;\n            av_log(s->avctx, AV_LOG_WARNING, "Changing dimensions to %dx%d\\n",\n                   si.width, si.height);\n            ff_MPV_common_end(s);\n            s->width  = si.width;\n            s->height = si.height;\n            avcodec_set_dimensions(s->avctx, s->width, s->height);\n            if ((err = ff_MPV_common_init(s)) < 0)\n                return err;\n            if ((err = rv34_decoder_realloc(r)) < 0)\n                return err;\n        }\n        s->pict_type = si.type ? si.type : AV_PICTURE_TYPE_I;\n        if (ff_MPV_frame_start(s, s->avctx) < 0)\n            return -1;\n        ff_er_frame_start(s);\n        if (!r->tmp_b_block_base) {\n            int i;\n            r->tmp_b_block_base = av_malloc(s->linesize * 48);\n            for (i = 0; i < 2; i++)\n                r->tmp_b_block_y[i] = r->tmp_b_block_base\n                                      + i * 16 * s->linesize;\n            for (i = 0; i < 4; i++)\n                r->tmp_b_block_uv[i] = r->tmp_b_block_base + 32 * s->linesize\n                                       + (i >> 1) * 8 * s->uvlinesize\n                                       + (i &  1) * 16;\n        }\n        r->cur_pts = si.pts;\n        if (s->pict_type != AV_PICTURE_TYPE_B) {\n            r->last_pts = r->next_pts;\n            r->next_pts = r->cur_pts;\n        } else {\n            int refdist = GET_PTS_DIFF(r->next_pts, r->last_pts);\n            int dist0   = GET_PTS_DIFF(r->cur_pts,  r->last_pts);\n            int dist1   = GET_PTS_DIFF(r->next_pts, r->cur_pts);\n            if (!refdist) {\n                r->weight1 = r->weight2 = 8192;\n            } else {\n                r->weight1 = (dist0 << 14) / refdist;\n                r->weight2 = (dist1 << 14) / refdist;\n            }\n        }\n        s->mb_x = s->mb_y = 0;\n        ff_thread_finish_setup(s->avctx);\n    } else if (HAVE_THREADS &&\n               (s->avctx->active_thread_type & FF_THREAD_FRAME)) {\n        av_log(s->avctx, AV_LOG_ERROR, "Decoder needs full frames in frame "\n               "multithreading mode (start MB is %d).\\n", si.start);\n        return AVERROR_INVALIDDATA;\n    }\n    for(i = 0; i < slice_count; i++){\n        int offset = get_slice_offset(avctx, slices_hdr, i);\n        int size;\n        if(i+1 == slice_count)\n            size = buf_size - offset;\n        else\n            size = get_slice_offset(avctx, slices_hdr, i+1) - offset;\n        if(offset < 0 || offset > buf_size){\n            av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\\n");\n            break;\n        }\n        r->si.end = s->mb_width * s->mb_height;\n        s->mb_num_left = r->s.mb_x + r->s.mb_y*r->s.mb_width - r->si.start;\n        if(i+1 < slice_count){\n            if (get_slice_offset(avctx, slices_hdr, i+1) < 0 ||\n                get_slice_offset(avctx, slices_hdr, i+1) > buf_size) {\n                av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\\n");\n                break;\n            }\n            init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, i+1), (buf_size-get_slice_offset(avctx, slices_hdr, i+1))*8);\n            if(r->parse_slice_header(r, &r->s.gb, &si) < 0){\n                if(i+2 < slice_count)\n                    size = get_slice_offset(avctx, slices_hdr, i+2) - offset;\n                else\n                    size = buf_size - offset;\n            }else\n                r->si.end = si.start;\n        }\n        if (size < 0 || size > buf_size - offset) {\n            av_log(avctx, AV_LOG_ERROR, "Slice size is invalid\\n");\n            break;\n        }\n        last = rv34_decode_slice(r, r->si.end, buf + offset, size);\n        if(last)\n            break;\n    }\n    if (s->current_picture_ptr) {\n        if (last) {\n            if(r->loop_filter)\n                r->loop_filter(r, s->mb_height - 1);\n            *got_picture_ptr = finish_frame(avctx, pict);\n        } else if (HAVE_THREADS &&\n                   (s->avctx->active_thread_type & FF_THREAD_FRAME)) {\n            av_log(avctx, AV_LOG_INFO, "marking unfished frame as finished\\n");\n            ff_er_frame_end(s);\n            ff_MPV_frame_end(s);\n            ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 0);\n            return AVERROR_INVALIDDATA;\n        }\n    }\n    return avpkt->size;\n}', 'void ff_er_frame_end(MpegEncContext *s)\n{\n    int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;\n    int distance;\n    int threshold_part[4] = { 100, 100, 100 };\n    int threshold = 50;\n    int is_intra_likely;\n    int size = s->b8_stride * 2 * s->mb_height;\n    Picture *pic = s->current_picture_ptr;\n    if (!s->err_recognition || s->error_count == 0 || s->avctx->lowres ||\n        s->avctx->hwaccel                                              ||\n        s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU          ||\n        s->picture_structure != PICT_FRAME                             ||\n        s->error_count == 3 * s->mb_width *\n                          (s->avctx->skip_top + s->avctx->skip_bottom)) {\n        return;\n    };\n    if (s->current_picture.f.motion_val[0] == NULL) {\n        av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\\n");\n        for (i = 0; i < 2; i++) {\n            pic->f.ref_index[i]     = av_mallocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));\n            pic->motion_val_base[i] = av_mallocz((size + 4) * 2 * sizeof(uint16_t));\n            pic->f.motion_val[i]    = pic->motion_val_base[i] + 4;\n        }\n        pic->f.motion_subsample_log2 = 3;\n        s->current_picture = *s->current_picture_ptr;\n    }\n    if (s->avctx->debug & FF_DEBUG_ER) {\n        for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n            for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n                int status = s->error_status_table[mb_x + mb_y * s->mb_stride];\n                av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);\n            }\n            av_log(s->avctx, AV_LOG_DEBUG, "\\n");\n        }\n    }\n    for (error_type = 1; error_type <= 3; error_type++) {\n        int end_ok = 0;\n        for (i = s->mb_num - 1; i >= 0; i--) {\n            const int mb_xy = s->mb_index2xy[i];\n            int error       = s->error_status_table[mb_xy];\n            if (error & (1 << error_type))\n                end_ok = 1;\n            if (error & (8 << error_type))\n                end_ok = 1;\n            if (!end_ok)\n                s->error_status_table[mb_xy] |= 1 << error_type;\n            if (error & VP_START)\n                end_ok = 0;\n        }\n    }\n    if (s->partitioned_frame) {\n        int end_ok = 0;\n        for (i = s->mb_num - 1; i >= 0; i--) {\n            const int mb_xy = s->mb_index2xy[i];\n            int error       = s->error_status_table[mb_xy];\n            if (error & ER_AC_END)\n                end_ok = 0;\n            if ((error & ER_MV_END) ||\n                (error & ER_DC_END) ||\n                (error & ER_AC_ERROR))\n                end_ok = 1;\n            if (!end_ok)\n                s->error_status_table[mb_xy]|= ER_AC_ERROR;\n            if (error & VP_START)\n                end_ok = 0;\n        }\n    }\n    if (s->err_recognition & AV_EF_EXPLODE) {\n        int end_ok = 1;\n        for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) {\n            const int mb_xy = s->mb_index2xy[i];\n            int error1 = s->error_status_table[mb_xy];\n            int error2 = s->error_status_table[s->mb_index2xy[i + 1]];\n            if (error1 & VP_START)\n                end_ok = 1;\n            if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) &&\n                error1 != (VP_START | ER_MB_ERROR | ER_MB_END) &&\n                ((error1 & ER_AC_END) || (error1 & ER_DC_END) ||\n                (error1 & ER_MV_END))) {\n                end_ok = 0;\n            }\n            if (!end_ok)\n                s->error_status_table[mb_xy] |= ER_MB_ERROR;\n        }\n    }\n    distance = 9999999;\n    for (error_type = 1; error_type <= 3; error_type++) {\n        for (i = s->mb_num - 1; i >= 0; i--) {\n            const int mb_xy = s->mb_index2xy[i];\n            int       error = s->error_status_table[mb_xy];\n            if (!s->mbskip_table[mb_xy])\n                distance++;\n            if (error & (1 << error_type))\n                distance = 0;\n            if (s->partitioned_frame) {\n                if (distance < threshold_part[error_type - 1])\n                    s->error_status_table[mb_xy] |= 1 << error_type;\n            } else {\n                if (distance < threshold)\n                    s->error_status_table[mb_xy] |= 1 << error_type;\n            }\n            if (error & VP_START)\n                distance = 9999999;\n        }\n    }\n    error = 0;\n    for (i = 0; i < s->mb_num; i++) {\n        const int mb_xy = s->mb_index2xy[i];\n        int old_error   = s->error_status_table[mb_xy];\n        if (old_error & VP_START) {\n            error = old_error & ER_MB_ERROR;\n        } else {\n            error |= old_error & ER_MB_ERROR;\n            s->error_status_table[mb_xy] |= error;\n        }\n    }\n    if (!s->partitioned_frame) {\n        for (i = 0; i < s->mb_num; i++) {\n            const int mb_xy = s->mb_index2xy[i];\n            error = s->error_status_table[mb_xy];\n            if (error & ER_MB_ERROR)\n                error |= ER_MB_ERROR;\n            s->error_status_table[mb_xy] = error;\n        }\n    }\n    dc_error = ac_error = mv_error = 0;\n    for (i = 0; i < s->mb_num; i++) {\n        const int mb_xy = s->mb_index2xy[i];\n        error = s->error_status_table[mb_xy];\n        if (error & ER_DC_ERROR)\n            dc_error++;\n        if (error & ER_AC_ERROR)\n            ac_error++;\n        if (error & ER_MV_ERROR)\n            mv_error++;\n    }\n    av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors\\n",\n           dc_error, ac_error, mv_error);\n    is_intra_likely = is_intra_more_likely(s);\n    for (i = 0; i < s->mb_num; i++) {\n        const int mb_xy = s->mb_index2xy[i];\n        error = s->error_status_table[mb_xy];\n        if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))\n            continue;\n        if (is_intra_likely)\n            s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n        else\n            s->current_picture.f.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;\n    }\n    if (!s->last_picture.f.data[0] && !s->next_picture.f.data[0])\n        for (i = 0; i < s->mb_num; i++) {\n            const int mb_xy = s->mb_index2xy[i];\n            if (!IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n                s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;\n        }\n    for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n        s->mb_x = 0;\n        s->mb_y = mb_y;\n        ff_init_block_index(s);\n        for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n            const int mb_xy   = mb_x + mb_y * s->mb_stride;\n            const int mb_type = s->current_picture.f.mb_type[mb_xy];\n            int dir           = !s->last_picture.f.data[0];\n            ff_update_block_index(s);\n            error = s->error_status_table[mb_xy];\n            if (IS_INTRA(mb_type))\n                continue;\n            if (error & ER_MV_ERROR)\n                continue;\n            if (!(error & ER_AC_ERROR))\n                continue;\n            s->mv_dir     = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;\n            s->mb_intra   = 0;\n            s->mb_skipped = 0;\n            if (IS_8X8(mb_type)) {\n                int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;\n                int j;\n                s->mv_type = MV_TYPE_8X8;\n                for (j = 0; j < 4; j++) {\n                    s->mv[0][j][0] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];\n                    s->mv[0][j][1] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];\n                }\n            } else {\n                s->mv_type     = MV_TYPE_16X16;\n                s->mv[0][0][0] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];\n                s->mv[0][0][1] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];\n            }\n            s->dsp.clear_blocks(s->block[0]);\n            s->mb_x = mb_x;\n            s->mb_y = mb_y;\n            decode_mb(s, 0  );\n        }\n    }\n    if (s->pict_type == AV_PICTURE_TYPE_B) {\n        for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n            s->mb_x = 0;\n            s->mb_y = mb_y;\n            ff_init_block_index(s);\n            for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n                int       xy      = mb_x * 2 + mb_y * 2 * s->b8_stride;\n                const int mb_xy   = mb_x + mb_y * s->mb_stride;\n                const int mb_type = s->current_picture.f.mb_type[mb_xy];\n                ff_update_block_index(s);\n                error = s->error_status_table[mb_xy];\n                if (IS_INTRA(mb_type))\n                    continue;\n                if (!(error & ER_MV_ERROR))\n                    continue;\n                if (!(error & ER_AC_ERROR))\n                    continue;\n                s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;\n                if (!s->last_picture.f.data[0])\n                    s->mv_dir &= ~MV_DIR_FORWARD;\n                if (!s->next_picture.f.data[0])\n                    s->mv_dir &= ~MV_DIR_BACKWARD;\n                s->mb_intra   = 0;\n                s->mv_type    = MV_TYPE_16X16;\n                s->mb_skipped = 0;\n                if (s->pp_time) {\n                    int time_pp = s->pp_time;\n                    int time_pb = s->pb_time;\n                    if (s->avctx->codec_id == CODEC_ID_H264) {\n                    } else {\n                        ff_thread_await_progress(&s->next_picture_ptr->f, mb_y, 0);\n                    }\n                    s->mv[0][0][0] = s->next_picture.f.motion_val[0][xy][0] *  time_pb            / time_pp;\n                    s->mv[0][0][1] = s->next_picture.f.motion_val[0][xy][1] *  time_pb            / time_pp;\n                    s->mv[1][0][0] = s->next_picture.f.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;\n                    s->mv[1][0][1] = s->next_picture.f.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp;\n                } else {\n                    s->mv[0][0][0] = 0;\n                    s->mv[0][0][1] = 0;\n                    s->mv[1][0][0] = 0;\n                    s->mv[1][0][1] = 0;\n                }\n                s->dsp.clear_blocks(s->block[0]);\n                s->mb_x = mb_x;\n                s->mb_y = mb_y;\n                decode_mb(s, 0);\n            }\n        }\n    } else\n        guess_mv(s);\n    if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)\n        goto ec_clean;\n    for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n        for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n            int dc, dcu, dcv, y, n;\n            int16_t *dc_ptr;\n            uint8_t *dest_y, *dest_cb, *dest_cr;\n            const int mb_xy   = mb_x + mb_y * s->mb_stride;\n            const int mb_type = s->current_picture.f.mb_type[mb_xy];\n            error = s->error_status_table[mb_xy];\n            if (IS_INTRA(mb_type) && s->partitioned_frame)\n                continue;\n            dest_y  = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;\n            dest_cb = s->current_picture.f.data[1] + mb_x *  8 + mb_y *  8 * s->uvlinesize;\n            dest_cr = s->current_picture.f.data[2] + mb_x *  8 + mb_y *  8 * s->uvlinesize;\n            dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride];\n            for (n = 0; n < 4; n++) {\n                dc = 0;\n                for (y = 0; y < 8; y++) {\n                    int x;\n                    for (x = 0; x < 8; x++)\n                       dc += dest_y[x + (n & 1) * 8 +\n                             (y + (n >> 1) * 8) * s->linesize];\n                }\n                dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3;\n            }\n            dcu = dcv = 0;\n            for (y = 0; y < 8; y++) {\n                int x;\n                for (x = 0; x < 8; x++) {\n                    dcu += dest_cb[x + y * s->uvlinesize];\n                    dcv += dest_cr[x + y * s->uvlinesize];\n                }\n            }\n            s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3;\n            s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3;\n        }\n    }\n    guess_dc(s, s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride, 1);\n    guess_dc(s, s->dc_val[1], s->mb_width, s->mb_height, s->mb_stride, 0);\n    guess_dc(s, s->dc_val[2], s->mb_width, s->mb_height, s->mb_stride, 0);\n    filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride);\n    for (mb_y = 0; mb_y < s->mb_height; mb_y++) {\n        for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n            uint8_t *dest_y, *dest_cb, *dest_cr;\n            const int mb_xy   = mb_x + mb_y * s->mb_stride;\n            const int mb_type = s->current_picture.f.mb_type[mb_xy];\n            error = s->error_status_table[mb_xy];\n            if (IS_INTER(mb_type))\n                continue;\n            if (!(error & ER_AC_ERROR))\n                continue;\n            dest_y  = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;\n            dest_cb = s->current_picture.f.data[1] + mb_x *  8 + mb_y *  8 * s->uvlinesize;\n            dest_cr = s->current_picture.f.data[2] + mb_x *  8 + mb_y *  8 * s->uvlinesize;\n            put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);\n        }\n    }\n    if (s->avctx->error_concealment & FF_EC_DEBLOCK) {\n        h_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,\n                       s->mb_height * 2, s->linesize, 1);\n        h_block_filter(s, s->current_picture.f.data[1], s->mb_width,\n                       s->mb_height  , s->uvlinesize, 0);\n        h_block_filter(s, s->current_picture.f.data[2], s->mb_width,\n                       s->mb_height  , s->uvlinesize, 0);\n        v_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,\n                       s->mb_height * 2, s->linesize, 1);\n        v_block_filter(s, s->current_picture.f.data[1], s->mb_width,\n                       s->mb_height  , s->uvlinesize, 0);\n        v_block_filter(s, s->current_picture.f.data[2], s->mb_width,\n                       s->mb_height  , s->uvlinesize, 0);\n    }\nec_clean:\n    for (i = 0; i < s->mb_num; i++) {\n        const int mb_xy = s->mb_index2xy[i];\n        int       error = s->error_status_table[mb_xy];\n        if (s->pict_type != AV_PICTURE_TYPE_B &&\n            (error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) {\n            s->mbskip_table[mb_xy] = 0;\n        }\n        s->mbintra_table[mb_xy] = 1;\n    }\n}', 'static int is_intra_more_likely(MpegEncContext *s)\n{\n    int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;\n    if (!s->last_picture_ptr || !s->last_picture_ptr->f.data[0])\n        return 1;\n    undamaged_count = 0;\n    for (i = 0; i < s->mb_num; i++) {\n        const int mb_xy = s->mb_index2xy[i];\n        const int error = s->error_status_table[mb_xy];\n        if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))\n            undamaged_count++;\n    }\n    if (s->codec_id == CODEC_ID_H264) {\n        H264Context *h = (void*) s;\n        if (h->list_count <= 0 || h->ref_count[0] <= 0 ||\n            !h->ref_list[0][0].f.data[0])\n            return 1;\n    }\n    if (undamaged_count < 5)\n        return 0;\n    if (CONFIG_MPEG_XVMC_DECODER    &&\n        s->avctx->xvmc_acceleration &&\n        s->pict_type == AV_PICTURE_TYPE_I)\n        return 1;\n    skip_amount     = FFMAX(undamaged_count / 50, 1);\n    is_intra_likely = 0;\n    j = 0;\n    for (mb_y = 0; mb_y < s->mb_height - 1; mb_y++) {\n        for (mb_x = 0; mb_x < s->mb_width; mb_x++) {\n            int error;\n            const int mb_xy = mb_x + mb_y * s->mb_stride;\n            error = s->error_status_table[mb_xy];\n            if ((error & ER_DC_ERROR) && (error & ER_MV_ERROR))\n                continue;\n            j++;\n            if ((j % skip_amount) != 0)\n                continue;\n            if (s->pict_type == AV_PICTURE_TYPE_I) {\n                uint8_t *mb_ptr      = s->current_picture.f.data[0] +\n                                       mb_x * 16 + mb_y * 16 * s->linesize;\n                uint8_t *last_mb_ptr = s->last_picture.f.data[0] +\n                                       mb_x * 16 + mb_y * 16 * s->linesize;\n                if (s->avctx->codec_id == CODEC_ID_H264) {\n                } else {\n                    ff_thread_await_progress(&s->last_picture_ptr->f,\n                                             mb_y, 0);\n                }\n                is_intra_likely += s->dsp.sad[0](NULL, last_mb_ptr, mb_ptr,\n                                                 s->linesize, 16);\n                is_intra_likely -= s->dsp.sad[0](NULL, last_mb_ptr,\n                                                 last_mb_ptr + s->linesize * 16,\n                                                 s->linesize, 16);\n            } else {\n                if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))\n                   is_intra_likely++;\n                else\n                   is_intra_likely--;\n            }\n        }\n    }\n    return is_intra_likely > 0;\n}', 'static void decode_mb(MpegEncContext *s, int ref)\n{\n    s->dest[0] = s->current_picture.f.data[0] + (s->mb_y *  16                       * s->linesize)   + s->mb_x *  16;\n    s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);\n    s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);\n    if (CONFIG_H264_DECODER && s->codec_id == CODEC_ID_H264) {\n        H264Context *h = (void*)s;\n        h->mb_xy = s->mb_x + s->mb_y * s->mb_stride;\n        memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));\n        assert(ref >= 0);\n        if (ref >= h->ref_count[0])\n            ref = 0;\n        fill_rectangle(&s->current_picture.f.ref_index[0][4 * h->mb_xy],\n                       2, 2, 2, ref, 1);\n        fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);\n        fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,\n                       pack16to32(s->mv[0][0][0], s->mv[0][0][1]), 4);\n        assert(!FRAME_MBAFF);\n        ff_h264_hl_decode_mb(h);\n    } else {\n        assert(ref == 0);\n        ff_MPV_decode_mb(s, s->block);\n    }\n}', 'void ff_h264_hl_decode_mb(H264Context *h)\n{\n    MpegEncContext *const s = &h->s;\n    const int mb_xy   = h->mb_xy;\n    const int mb_type = s->current_picture.f.mb_type[mb_xy];\n    int is_complex    = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;\n    if (CHROMA444) {\n        if (is_complex || h->pixel_shift)\n            hl_decode_mb_444_complex(h);\n        else\n            hl_decode_mb_444_simple(h);\n    } else if (is_complex) {\n        hl_decode_mb_complex(h);\n    } else if (h->pixel_shift) {\n        hl_decode_mb_simple_16(h);\n    } else\n        hl_decode_mb_simple_8(h);\n}', 'static void av_noinline hl_decode_mb_444_complex(H264Context *h)\n{\n    hl_decode_mb_444_internal(h, 0, h->pixel_shift);\n}', 'static av_always_inline void hl_decode_mb_444_internal(H264Context *h,\n                                                       int simple,\n                                                       int pixel_shift)\n{\n    MpegEncContext *const s = &h->s;\n    const int mb_x    = s->mb_x;\n    const int mb_y    = s->mb_y;\n    const int mb_xy   = h->mb_xy;\n    const int mb_type = s->current_picture.f.mb_type[mb_xy];\n    uint8_t *dest[3];\n    int linesize;\n    int i, j, p;\n    int *block_offset = &h->block_offset[0];\n    const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);\n    const int plane_count      = (simple || !CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) ? 3 : 1;\n    for (p = 0; p < plane_count; p++) {\n        dest[p] = s->current_picture.f.data[p] +\n                  ((mb_x << pixel_shift) + mb_y * s->linesize) * 16;\n        s->dsp.prefetch(dest[p] + (s->mb_x & 3) * 4 * s->linesize + (64 << pixel_shift),\n                        s->linesize, 4);\n    }\n    h->list_counts[mb_xy] = h->list_count;\n    if (!simple && MB_FIELD) {\n        linesize     = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;\n        block_offset = &h->block_offset[48];\n        if (mb_y & 1)\n            for (p = 0; p < 3; p++)\n                dest[p] -= s->linesize * 15;\n        if (FRAME_MBAFF) {\n            int list;\n            for (list = 0; list < h->list_count; list++) {\n                if (!USES_LIST(mb_type, list))\n                    continue;\n                if (IS_16X16(mb_type)) {\n                    int8_t *ref = &h->ref_cache[list][scan8[0]];\n                    fill_rectangle(ref, 4, 4, 8, (16 + *ref) ^ (s->mb_y & 1), 1);\n                } else {\n                    for (i = 0; i < 16; i += 4) {\n                        int ref = h->ref_cache[list][scan8[i]];\n                        if (ref >= 0)\n                            fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2,\n                                           8, (16 + ref) ^ (s->mb_y & 1), 1);\n                    }\n                }\n            }\n        }\n    } else {\n        linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;\n    }\n    if (!simple && IS_INTRA_PCM(mb_type)) {\n        if (pixel_shift) {\n            const int bit_depth = h->sps.bit_depth_luma;\n            GetBitContext gb;\n            init_get_bits(&gb, (uint8_t *)h->mb, 768 * bit_depth);\n            for (p = 0; p < plane_count; p++)\n                for (i = 0; i < 16; i++) {\n                    uint16_t *tmp = (uint16_t *)(dest[p] + i * linesize);\n                    for (j = 0; j < 16; j++)\n                        tmp[j] = get_bits(&gb, bit_depth);\n                }\n        } else {\n            for (p = 0; p < plane_count; p++)\n                for (i = 0; i < 16; i++)\n                    memcpy(dest[p] + i * linesize, h->mb + p * 128 + i * 8, 16);\n        }\n    } else {\n        if (IS_INTRA(mb_type)) {\n            if (h->deblocking_filter)\n                xchg_mb_border(h, dest[0], dest[1], dest[2], linesize,\n                               linesize, 1, 1, simple, pixel_shift);\n            for (p = 0; p < plane_count; p++)\n                hl_decode_mb_predict_luma(h, mb_type, 1, simple,\n                                          transform_bypass, pixel_shift,\n                                          block_offset, linesize, dest[p], p);\n            if (h->deblocking_filter)\n                xchg_mb_border(h, dest[0], dest[1], dest[2], linesize,\n                               linesize, 0, 1, simple, pixel_shift);\n        } else {\n            hl_motion(h, dest[0], dest[1], dest[2],\n                      s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,\n                      s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,\n                      h->h264dsp.weight_h264_pixels_tab,\n                      h->h264dsp.biweight_h264_pixels_tab, pixel_shift, 3);\n        }\n        for (p = 0; p < plane_count; p++)\n            hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass,\n                                   pixel_shift, block_offset, linesize,\n                                   dest[p], p);\n    }\n    if (h->cbp || IS_INTRA(mb_type)) {\n        s->dsp.clear_blocks(h->mb);\n        s->dsp.clear_blocks(h->mb + (24 * 16 << pixel_shift));\n    }\n}', 'static av_always_inline void hl_motion(H264Context *h, uint8_t *dest_y,\n                                       uint8_t *dest_cb, uint8_t *dest_cr,\n                                       qpel_mc_func(*qpix_put)[16],\n                                       h264_chroma_mc_func(*chroma_put),\n                                       qpel_mc_func(*qpix_avg)[16],\n                                       h264_chroma_mc_func(*chroma_avg),\n                                       h264_weight_func *weight_op,\n                                       h264_biweight_func *weight_avg,\n                                       int pixel_shift, int chroma_idc)\n{\n    MpegEncContext *const s = &h->s;\n    const int mb_xy   = h->mb_xy;\n    const int mb_type = s->current_picture.f.mb_type[mb_xy];\n    assert(IS_INTER(mb_type));\n    if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))\n        await_references(h);\n    prefetch_motion(h, 0, pixel_shift, chroma_idc);\n    if (IS_16X16(mb_type)) {\n        mc_part(h, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,\n                qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],\n                weight_op, weight_avg,\n                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n                pixel_shift, chroma_idc);\n    } else if (IS_16X8(mb_type)) {\n        mc_part(h, 0, 0, 8, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,\n                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n                weight_op, weight_avg,\n                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n                pixel_shift, chroma_idc);\n        mc_part(h, 8, 0, 8, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,\n                qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n                weight_op, weight_avg,\n                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),\n                pixel_shift, chroma_idc);\n    } else if (IS_8X16(mb_type)) {\n        mc_part(h, 0, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,\n                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n                &weight_op[1], &weight_avg[1],\n                IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),\n                pixel_shift, chroma_idc);\n        mc_part(h, 4, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,\n                qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n                &weight_op[1], &weight_avg[1],\n                IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),\n                pixel_shift, chroma_idc);\n    } else {\n        int i;\n        assert(IS_8X8(mb_type));\n        for (i = 0; i < 4; i++) {\n            const int sub_mb_type = h->sub_mb_type[i];\n            const int n  = 4 * i;\n            int x_offset = (i & 1) << 2;\n            int y_offset = (i & 2) << 1;\n            if (IS_SUB_8X8(sub_mb_type)) {\n                mc_part(h, n, 1, 8, 0, dest_y, dest_cb, dest_cr,\n                        x_offset, y_offset,\n                        qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n                        &weight_op[1], &weight_avg[1],\n                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n                        pixel_shift, chroma_idc);\n            } else if (IS_SUB_8X4(sub_mb_type)) {\n                mc_part(h, n, 0, 4, 4 << pixel_shift, dest_y, dest_cb, dest_cr,\n                        x_offset, y_offset,\n                        qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n                        &weight_op[1], &weight_avg[1],\n                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n                        pixel_shift, chroma_idc);\n                mc_part(h, n + 2, 0, 4, 4 << pixel_shift,\n                        dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,\n                        qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n                        &weight_op[1], &weight_avg[1],\n                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n                        pixel_shift, chroma_idc);\n            } else if (IS_SUB_4X8(sub_mb_type)) {\n                mc_part(h, n, 0, 8, 4 * h->mb_linesize,\n                        dest_y, dest_cb, dest_cr, x_offset, y_offset,\n                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n                        &weight_op[2], &weight_avg[2],\n                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n                        pixel_shift, chroma_idc);\n                mc_part(h, n + 1, 0, 8, 4 * h->mb_linesize,\n                        dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,\n                        qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n                        &weight_op[2], &weight_avg[2],\n                        IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n                        pixel_shift, chroma_idc);\n            } else {\n                int j;\n                assert(IS_SUB_4X4(sub_mb_type));\n                for (j = 0; j < 4; j++) {\n                    int sub_x_offset = x_offset + 2 * (j & 1);\n                    int sub_y_offset = y_offset + (j & 2);\n                    mc_part(h, n + j, 1, 4, 0,\n                            dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,\n                            qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n                            &weight_op[2], &weight_avg[2],\n                            IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),\n                            pixel_shift, chroma_idc);\n                }\n            }\n        }\n    }\n    prefetch_motion(h, 1, pixel_shift, chroma_idc);\n}', 'static void await_references(H264Context *h)\n{\n    MpegEncContext *const s = &h->s;\n    const int mb_xy   = h->mb_xy;\n    const int mb_type = s->current_picture.f.mb_type[mb_xy];\n    int refs[2][48];\n    int nrefs[2] = { 0 };\n    int ref, list;\n    memset(refs, -1, sizeof(refs));\n    if (IS_16X16(mb_type)) {\n        get_lowest_part_y(h, refs, 0, 16, 0,\n                          IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n    } else if (IS_16X8(mb_type)) {\n        get_lowest_part_y(h, refs, 0, 8, 0,\n                          IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n        get_lowest_part_y(h, refs, 8, 8, 8,\n                          IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n    } else if (IS_8X16(mb_type)) {\n        get_lowest_part_y(h, refs, 0, 16, 0,\n                          IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n        get_lowest_part_y(h, refs, 4, 16, 0,\n                          IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n    } else {\n        int i;\n        assert(IS_8X8(mb_type));\n        for (i = 0; i < 4; i++) {\n            const int sub_mb_type = h->sub_mb_type[i];\n            const int n           = 4 * i;\n            int y_offset          = (i & 2) << 2;\n            if (IS_SUB_8X8(sub_mb_type)) {\n                get_lowest_part_y(h, refs, n, 8, y_offset,\n                                  IS_DIR(sub_mb_type, 0, 0),\n                                  IS_DIR(sub_mb_type, 0, 1),\n                                  nrefs);\n            } else if (IS_SUB_8X4(sub_mb_type)) {\n                get_lowest_part_y(h, refs, n, 4, y_offset,\n                                  IS_DIR(sub_mb_type, 0, 0),\n                                  IS_DIR(sub_mb_type, 0, 1),\n                                  nrefs);\n                get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,\n                                  IS_DIR(sub_mb_type, 0, 0),\n                                  IS_DIR(sub_mb_type, 0, 1),\n                                  nrefs);\n            } else if (IS_SUB_4X8(sub_mb_type)) {\n                get_lowest_part_y(h, refs, n, 8, y_offset,\n                                  IS_DIR(sub_mb_type, 0, 0),\n                                  IS_DIR(sub_mb_type, 0, 1),\n                                  nrefs);\n                get_lowest_part_y(h, refs, n + 1, 8, y_offset,\n                                  IS_DIR(sub_mb_type, 0, 0),\n                                  IS_DIR(sub_mb_type, 0, 1),\n                                  nrefs);\n            } else {\n                int j;\n                assert(IS_SUB_4X4(sub_mb_type));\n                for (j = 0; j < 4; j++) {\n                    int sub_y_offset = y_offset + 2 * (j & 2);\n                    get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,\n                                      IS_DIR(sub_mb_type, 0, 0),\n                                      IS_DIR(sub_mb_type, 0, 1),\n                                      nrefs);\n                }\n            }\n        }\n    }\n    for (list = h->list_count - 1; list >= 0; list--)\n        for (ref = 0; ref < 48 && nrefs[list]; ref++) {\n            int row = refs[list][ref];\n            if (row >= 0) {\n                Picture *ref_pic      = &h->ref_list[list][ref];\n                int ref_field         = ref_pic->f.reference - 1;\n                int ref_field_picture = ref_pic->field_picture;\n                int pic_height        = 16 * s->mb_height >> ref_field_picture;\n                row <<= MB_MBAFF;\n                nrefs[list]--;\n                if (!FIELD_PICTURE && ref_field_picture) {\n                    ff_thread_await_progress(&ref_pic->f,\n                                             FFMIN((row >> 1) - !(row & 1),\n                                                   pic_height - 1),\n                                             1);\n                    ff_thread_await_progress(&ref_pic->f,\n                                             FFMIN((row >> 1), pic_height - 1),\n                                             0);\n                } else if (FIELD_PICTURE && !ref_field_picture) {\n                    ff_thread_await_progress(&ref_pic->f,\n                                             FFMIN(row * 2 + ref_field,\n                                                   pic_height - 1),\n                                             0);\n                } else if (FIELD_PICTURE) {\n                    ff_thread_await_progress(&ref_pic->f,\n                                             FFMIN(row, pic_height - 1),\n                                             ref_field);\n                } else {\n                    ff_thread_await_progress(&ref_pic->f,\n                                             FFMIN(row, pic_height - 1),\n                                             0);\n                }\n            }\n        }\n}']