libavcodec/h264.c:4199: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `decode_slice_header`.

libavcodec/h264.c:4066:1: Parameter `h->s.list_count`
4064. }
4065. 
4066. static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)
      ^
4067. {
4068.     MpegEncContext *const s     = &h->s;

libavcodec/h264.c:4199:28: Call
4197.                 hx->s.data_partitioning = 0;
4198. 
4199.                 if ((err = decode_slice_header(hx, h)))
                                 ^
4200.                     break;
4201. 

libavcodec/h264.c:2865:1: Parameter `h->s.list_count`
  2863.  * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
  2864.  */
  2865. static int decode_slice_header(H264Context *h, H264Context *h0)
        ^
  2866. {
  2867.     MpegEncContext *const s  = &h->s;

libavcodec/h264.c:2892:13: Call
  2890.     if (first_mb_in_slice == 0) { // FIXME better field boundary detection
  2891.         if (h0->current_slice && FIELD_PICTURE) {
  2892.             field_end(h, 1);
                    ^
  2893.         }
  2894. 

libavcodec/h264.c:2742:1: Parameter `h->s.list_count`
    2740. }
    2741. 
    2742. static int field_end(H264Context *h, int in_setup)
          ^
    2743. {
    2744.     MpegEncContext *const s     = &h->s;

libavcodec/h264.c:2792:9: Call
    2790.      */
    2791.     if (!FIELD_PICTURE)
    2792.         ff_er_frame_end(s);
                  ^
    2793. 
    2794.     ff_MPV_frame_end(s);

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 `decode_slice_header` 
                  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);
                }
            }
        }
}
['static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)\n{\n    MpegEncContext *const s     = &h->s;\n    AVCodecContext *const avctx = s->avctx;\n    H264Context *hx;\n    int buf_index;\n    int context_count;\n    int next_avc;\n    int pass = !(avctx->active_thread_type & FF_THREAD_FRAME);\n    int nals_needed = 0;\n    int nal_index;\n    h->max_contexts = s->slice_context_count;\n    if (!(s->flags2 & CODEC_FLAG2_CHUNKS)) {\n        h->current_slice = 0;\n        if (!s->first_field)\n            s->current_picture_ptr = NULL;\n        ff_h264_reset_sei(h);\n    }\n    for (; pass <= 1; pass++) {\n        buf_index     = 0;\n        context_count = 0;\n        next_avc      = h->is_avc ? 0 : buf_size;\n        nal_index     = 0;\n        for (;;) {\n            int consumed;\n            int dst_length;\n            int bit_length;\n            const uint8_t *ptr;\n            int i, nalsize = 0;\n            int err;\n            if (buf_index >= next_avc) {\n                if (buf_index >= buf_size - h->nal_length_size)\n                    break;\n                nalsize = 0;\n                for (i = 0; i < h->nal_length_size; i++)\n                    nalsize = (nalsize << 8) | buf[buf_index++];\n                if (nalsize <= 0 || nalsize > buf_size - buf_index) {\n                    av_log(h->s.avctx, AV_LOG_ERROR,\n                           "AVC: nal size %d\\n", nalsize);\n                    break;\n                }\n                next_avc = buf_index + nalsize;\n            } else {\n                for (; buf_index + 3 < next_avc; buf_index++)\n                    if (buf[buf_index]     == 0 &&\n                        buf[buf_index + 1] == 0 &&\n                        buf[buf_index + 2] == 1)\n                        break;\n                if (buf_index + 3 >= buf_size)\n                    break;\n                buf_index += 3;\n                if (buf_index >= next_avc)\n                    continue;\n            }\n            hx = h->thread_context[context_count];\n            ptr = ff_h264_decode_nal(hx, buf + buf_index, &dst_length,\n                                     &consumed, next_avc - buf_index);\n            if (ptr == NULL || dst_length < 0)\n                return -1;\n            i = buf_index + consumed;\n            if ((s->workaround_bugs & FF_BUG_AUTODETECT) && i + 3 < next_avc &&\n                buf[i]     == 0x00 && buf[i + 1] == 0x00 &&\n                buf[i + 2] == 0x01 && buf[i + 3] == 0xE0)\n                s->workaround_bugs |= FF_BUG_TRUNCATED;\n            if (!(s->workaround_bugs & FF_BUG_TRUNCATED))\n                while (ptr[dst_length - 1] == 0 && dst_length > 0)\n                    dst_length--;\n            bit_length = !dst_length ? 0\n                                     : (8 * dst_length -\n                                        ff_h264_decode_rbsp_trailing(h, ptr + dst_length - 1));\n            if (s->avctx->debug & FF_DEBUG_STARTCODE)\n                av_log(h->s.avctx, AV_LOG_DEBUG,\n                       "NAL %d at %d/%d length %d\\n",\n                       hx->nal_unit_type, buf_index, buf_size, dst_length);\n            if (h->is_avc && (nalsize != consumed) && nalsize)\n                av_log(h->s.avctx, AV_LOG_DEBUG,\n                       "AVC: Consumed only %d bytes instead of %d\\n",\n                       consumed, nalsize);\n            buf_index += consumed;\n            nal_index++;\n            if (pass == 0) {\n                switch (hx->nal_unit_type) {\n                case NAL_SPS:\n                case NAL_PPS:\n                    nals_needed = nal_index;\n                    break;\n                case NAL_IDR_SLICE:\n                case NAL_SLICE:\n                    init_get_bits(&hx->s.gb, ptr, bit_length);\n                    if (!get_ue_golomb(&hx->s.gb))\n                        nals_needed = nal_index;\n                }\n                continue;\n            }\n            if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0)\n                continue;\nagain:\n            err = 0;\n            switch (hx->nal_unit_type) {\n            case NAL_IDR_SLICE:\n                if (h->nal_unit_type != NAL_IDR_SLICE) {\n                    av_log(h->s.avctx, AV_LOG_ERROR,\n                           "Invalid mix of idr and non-idr slices");\n                    return -1;\n                }\n                idr(h);\n            case NAL_SLICE:\n                init_get_bits(&hx->s.gb, ptr, bit_length);\n                hx->intra_gb_ptr        =\n                    hx->inter_gb_ptr    = &hx->s.gb;\n                hx->s.data_partitioning = 0;\n                if ((err = decode_slice_header(hx, h)))\n                    break;\n                s->current_picture_ptr->f.key_frame |=\n                    (hx->nal_unit_type == NAL_IDR_SLICE) ||\n                    (h->sei_recovery_frame_cnt >= 0);\n                if (h->current_slice == 1) {\n                    if (!(s->flags2 & CODEC_FLAG2_CHUNKS))\n                        decode_postinit(h, nal_index >= nals_needed);\n                    if (s->avctx->hwaccel &&\n                        s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)\n                        return -1;\n                    if (CONFIG_H264_VDPAU_DECODER &&\n                        s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)\n                        ff_vdpau_h264_picture_start(s);\n                }\n                if (hx->redundant_pic_count == 0 &&\n                    (avctx->skip_frame < AVDISCARD_NONREF ||\n                     hx->nal_ref_idc) &&\n                    (avctx->skip_frame < AVDISCARD_BIDIR  ||\n                     hx->slice_type_nos != AV_PICTURE_TYPE_B) &&\n                    (avctx->skip_frame < AVDISCARD_NONKEY ||\n                     hx->slice_type_nos == AV_PICTURE_TYPE_I) &&\n                    avctx->skip_frame < AVDISCARD_ALL) {\n                    if (avctx->hwaccel) {\n                        if (avctx->hwaccel->decode_slice(avctx,\n                                                         &buf[buf_index - consumed],\n                                                         consumed) < 0)\n                            return -1;\n                    } else if (CONFIG_H264_VDPAU_DECODER &&\n                               s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) {\n                        static const uint8_t start_code[] = {\n                            0x00, 0x00, 0x01 };\n                        ff_vdpau_add_data_chunk(s, start_code,\n                                                sizeof(start_code));\n                        ff_vdpau_add_data_chunk(s, &buf[buf_index - consumed],\n                                                consumed);\n                    } else\n                        context_count++;\n                }\n                break;\n            case NAL_DPA:\n                init_get_bits(&hx->s.gb, ptr, bit_length);\n                hx->intra_gb_ptr =\n                hx->inter_gb_ptr = NULL;\n                if ((err = decode_slice_header(hx, h)) < 0)\n                    break;\n                hx->s.data_partitioning = 1;\n                break;\n            case NAL_DPB:\n                init_get_bits(&hx->intra_gb, ptr, bit_length);\n                hx->intra_gb_ptr = &hx->intra_gb;\n                break;\n            case NAL_DPC:\n                init_get_bits(&hx->inter_gb, ptr, bit_length);\n                hx->inter_gb_ptr = &hx->inter_gb;\n                if (hx->redundant_pic_count == 0 &&\n                    hx->intra_gb_ptr &&\n                    hx->s.data_partitioning &&\n                    s->context_initialized &&\n                    (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) &&\n                    (avctx->skip_frame < AVDISCARD_BIDIR  ||\n                     hx->slice_type_nos != AV_PICTURE_TYPE_B) &&\n                    (avctx->skip_frame < AVDISCARD_NONKEY ||\n                     hx->slice_type_nos == AV_PICTURE_TYPE_I) &&\n                    avctx->skip_frame < AVDISCARD_ALL)\n                    context_count++;\n                break;\n            case NAL_SEI:\n                init_get_bits(&s->gb, ptr, bit_length);\n                ff_h264_decode_sei(h);\n                break;\n            case NAL_SPS:\n                init_get_bits(&s->gb, ptr, bit_length);\n                if (ff_h264_decode_seq_parameter_set(h) < 0 &&\n                    h->is_avc && (nalsize != consumed) && nalsize) {\n                    av_log(h->s.avctx, AV_LOG_DEBUG,\n                           "SPS decoding failure, try parsing the coomplete NAL\\n");\n                    init_get_bits(&s->gb, buf + buf_index + 1 - consumed,\n                                  8 * (nalsize - 1));\n                    ff_h264_decode_seq_parameter_set(h);\n                }\n                if (s->flags & CODEC_FLAG_LOW_DELAY ||\n                    (h->sps.bitstream_restriction_flag &&\n                     !h->sps.num_reorder_frames))\n                    s->low_delay = 1;\n                if (avctx->has_b_frames < 2)\n                    avctx->has_b_frames = !s->low_delay;\n                if (avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||\n                    h->cur_chroma_format_idc   != h->sps.chroma_format_idc) {\n                    if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 10) {\n                        avctx->bits_per_raw_sample = h->sps.bit_depth_luma;\n                        h->cur_chroma_format_idc   = h->sps.chroma_format_idc;\n                        h->pixel_shift             = h->sps.bit_depth_luma > 8;\n                        ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma,\n                                        h->sps.chroma_format_idc);\n                        ff_h264_pred_init(&h->hpc, s->codec_id,\n                                          h->sps.bit_depth_luma,\n                                          h->sps.chroma_format_idc);\n                        s->dsp.dct_bits = h->sps.bit_depth_luma > 8 ? 32 : 16;\n                        ff_dsputil_init(&s->dsp, s->avctx);\n                    } else {\n                        av_log(avctx, AV_LOG_ERROR,\n                               "Unsupported bit depth: %d\\n",\n                               h->sps.bit_depth_luma);\n                        return -1;\n                    }\n                }\n                break;\n            case NAL_PPS:\n                init_get_bits(&s->gb, ptr, bit_length);\n                ff_h264_decode_picture_parameter_set(h, bit_length);\n                break;\n            case NAL_AUD:\n            case NAL_END_SEQUENCE:\n            case NAL_END_STREAM:\n            case NAL_FILLER_DATA:\n            case NAL_SPS_EXT:\n            case NAL_AUXILIARY_SLICE:\n                break;\n            default:\n                av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\\n",\n                       hx->nal_unit_type, bit_length);\n            }\n            if (context_count == h->max_contexts) {\n                execute_decode_slices(h, context_count);\n                context_count = 0;\n            }\n            if (err < 0)\n                av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\\n");\n            else if (err == 1) {\n                h->nal_unit_type = hx->nal_unit_type;\n                h->nal_ref_idc   = hx->nal_ref_idc;\n                hx               = h;\n                goto again;\n            }\n        }\n    }\n    if (context_count)\n        execute_decode_slices(h, context_count);\n    return buf_index;\n}', 'static int decode_slice_header(H264Context *h, H264Context *h0)\n{\n    MpegEncContext *const s  = &h->s;\n    MpegEncContext *const s0 = &h0->s;\n    unsigned int first_mb_in_slice;\n    unsigned int pps_id;\n    int num_ref_idx_active_override_flag;\n    unsigned int slice_type, tmp, i, j;\n    int default_ref_list_done = 0;\n    int last_pic_structure;\n    s->dropable = h->nal_ref_idc == 0;\n    if ((s->avctx->flags2 & CODEC_FLAG2_FAST) &&\n        !h->nal_ref_idc && !h->pixel_shift) {\n        s->me.qpel_put = s->dsp.put_2tap_qpel_pixels_tab;\n        s->me.qpel_avg = s->dsp.avg_2tap_qpel_pixels_tab;\n    } else {\n        s->me.qpel_put = s->dsp.put_h264_qpel_pixels_tab;\n        s->me.qpel_avg = s->dsp.avg_h264_qpel_pixels_tab;\n    }\n    first_mb_in_slice = get_ue_golomb(&s->gb);\n    if (first_mb_in_slice == 0) {\n        if (h0->current_slice && FIELD_PICTURE) {\n            field_end(h, 1);\n        }\n        h0->current_slice = 0;\n        if (!s0->first_field)\n            s->current_picture_ptr = NULL;\n    }\n    slice_type = get_ue_golomb_31(&s->gb);\n    if (slice_type > 9) {\n        av_log(h->s.avctx, AV_LOG_ERROR,\n               "slice type too large (%d) at %d %d\\n",\n               h->slice_type, s->mb_x, s->mb_y);\n        return -1;\n    }\n    if (slice_type > 4) {\n        slice_type -= 5;\n        h->slice_type_fixed = 1;\n    } else\n        h->slice_type_fixed = 0;\n    slice_type = golomb_to_pict_type[slice_type];\n    if (slice_type == AV_PICTURE_TYPE_I ||\n        (h0->current_slice != 0 && slice_type == h0->last_slice_type)) {\n        default_ref_list_done = 1;\n    }\n    h->slice_type     = slice_type;\n    h->slice_type_nos = slice_type & 3;\n    s->pict_type = h->slice_type;\n    pps_id = get_ue_golomb(&s->gb);\n    if (pps_id >= MAX_PPS_COUNT) {\n        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\\n");\n        return -1;\n    }\n    if (!h0->pps_buffers[pps_id]) {\n        av_log(h->s.avctx, AV_LOG_ERROR,\n               "non-existing PPS %u referenced\\n",\n               pps_id);\n        return -1;\n    }\n    h->pps = *h0->pps_buffers[pps_id];\n    if (!h0->sps_buffers[h->pps.sps_id]) {\n        av_log(h->s.avctx, AV_LOG_ERROR,\n               "non-existing SPS %u referenced\\n",\n               h->pps.sps_id);\n        return -1;\n    }\n    h->sps = *h0->sps_buffers[h->pps.sps_id];\n    s->avctx->profile = ff_h264_get_profile(&h->sps);\n    s->avctx->level   = h->sps.level_idc;\n    s->avctx->refs    = h->sps.ref_frame_count;\n    s->mb_width  = h->sps.mb_width;\n    s->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);\n    h->b_stride = s->mb_width * 4;\n    s->chroma_y_shift = h->sps.chroma_format_idc <= 1;\n    s->width = 16 * s->mb_width - (2 >> CHROMA444) * FFMIN(h->sps.crop_right, (8 << CHROMA444) - 1);\n    if (h->sps.frame_mbs_only_flag)\n        s->height = 16 * s->mb_height - (1 << s->chroma_y_shift) * FFMIN(h->sps.crop_bottom, (16 >> s->chroma_y_shift) - 1);\n    else\n        s->height = 16 * s->mb_height - (2 << s->chroma_y_shift) * FFMIN(h->sps.crop_bottom, (16 >> s->chroma_y_shift) - 1);\n    if (s->context_initialized &&\n        (s->width != s->avctx->width || s->height != s->avctx->height ||\n         av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {\n        if (h != h0) {\n            av_log_missing_feature(s->avctx,\n                                   "Width/height changing with threads is", 0);\n            return -1;\n        }\n        free_tables(h, 0);\n        flush_dpb(s->avctx);\n        ff_MPV_common_end(s);\n    }\n    if (!s->context_initialized) {\n        if (h != h0) {\n            av_log(h->s.avctx, AV_LOG_ERROR,\n                   "Cannot (re-)initialize context during parallel decoding.\\n");\n            return -1;\n        }\n        avcodec_set_dimensions(s->avctx, s->width, s->height);\n        s->avctx->sample_aspect_ratio = h->sps.sar;\n        av_assert0(s->avctx->sample_aspect_ratio.den);\n        if (h->sps.video_signal_type_present_flag) {\n            s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG\n                                                      : AVCOL_RANGE_MPEG;\n            if (h->sps.colour_description_present_flag) {\n                s->avctx->color_primaries = h->sps.color_primaries;\n                s->avctx->color_trc       = h->sps.color_trc;\n                s->avctx->colorspace      = h->sps.colorspace;\n            }\n        }\n        if (h->sps.timing_info_present_flag) {\n            int64_t den = h->sps.time_scale;\n            if (h->x264_build < 44U)\n                den *= 2;\n            av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,\n                      h->sps.num_units_in_tick, den, 1 << 30);\n        }\n        switch (h->sps.bit_depth_luma) {\n        case 9:\n            if (CHROMA444) {\n                if (s->avctx->colorspace == AVCOL_SPC_RGB) {\n                    s->avctx->pix_fmt = PIX_FMT_GBRP9;\n                } else\n                    s->avctx->pix_fmt = PIX_FMT_YUV444P9;\n            } else if (CHROMA422)\n                s->avctx->pix_fmt = PIX_FMT_YUV422P9;\n            else\n                s->avctx->pix_fmt = PIX_FMT_YUV420P9;\n            break;\n        case 10:\n            if (CHROMA444) {\n                if (s->avctx->colorspace == AVCOL_SPC_RGB) {\n                    s->avctx->pix_fmt = PIX_FMT_GBRP10;\n                } else\n                    s->avctx->pix_fmt = PIX_FMT_YUV444P10;\n            } else if (CHROMA422)\n                s->avctx->pix_fmt = PIX_FMT_YUV422P10;\n            else\n                s->avctx->pix_fmt = PIX_FMT_YUV420P10;\n            break;\n        case 8:\n            if (CHROMA444) {\n                if (s->avctx->colorspace == AVCOL_SPC_RGB) {\n                    s->avctx->pix_fmt = PIX_FMT_GBRP;\n                } else\n                    s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ444P\n                                                                                  : PIX_FMT_YUV444P;\n            } else if (CHROMA422) {\n                s->avctx->pix_fmt = s->avctx->color_range == AVCOL_RANGE_JPEG ? PIX_FMT_YUVJ422P\n                                                                              : PIX_FMT_YUV422P;\n            } else {\n                s->avctx->pix_fmt = s->avctx->get_format(s->avctx,\n                                                         s->avctx->codec->pix_fmts ?\n                                                         s->avctx->codec->pix_fmts :\n                                                         s->avctx->color_range == AVCOL_RANGE_JPEG ?\n                                                         hwaccel_pixfmt_list_h264_jpeg_420 :\n                                                         ff_hwaccel_pixfmt_list_420);\n            }\n            break;\n        default:\n            av_log(s->avctx, AV_LOG_ERROR,\n                   "Unsupported bit depth: %d\\n", h->sps.bit_depth_luma);\n            return AVERROR_INVALIDDATA;\n        }\n        s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id,\n                                            s->avctx->pix_fmt);\n        if (ff_MPV_common_init(s) < 0) {\n            av_log(h->s.avctx, AV_LOG_ERROR, "ff_MPV_common_init() failed.\\n");\n            return -1;\n        }\n        s->first_field = 0;\n        h->prev_interlaced_frame = 1;\n        init_scan_tables(h);\n        if (ff_h264_alloc_tables(h) < 0) {\n            av_log(h->s.avctx, AV_LOG_ERROR,\n                   "Could not allocate memory for h264\\n");\n            return AVERROR(ENOMEM);\n        }\n        if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_SLICE)) {\n            if (context_init(h) < 0) {\n                av_log(h->s.avctx, AV_LOG_ERROR, "context_init() failed.\\n");\n                return -1;\n            }\n        } else {\n            for (i = 1; i < s->slice_context_count; i++) {\n                H264Context *c;\n                c = h->thread_context[i] = av_malloc(sizeof(H264Context));\n                memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));\n                memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));\n                c->h264dsp     = h->h264dsp;\n                c->sps         = h->sps;\n                c->pps         = h->pps;\n                c->pixel_shift = h->pixel_shift;\n                init_scan_tables(c);\n                clone_tables(c, h, i);\n            }\n            for (i = 0; i < s->slice_context_count; i++)\n                if (context_init(h->thread_context[i]) < 0) {\n                    av_log(h->s.avctx, AV_LOG_ERROR,\n                           "context_init() failed.\\n");\n                    return -1;\n                }\n        }\n    }\n    if (h == h0 && h->dequant_coeff_pps != pps_id) {\n        h->dequant_coeff_pps = pps_id;\n        init_dequant_tables(h);\n    }\n    h->frame_num = get_bits(&s->gb, h->sps.log2_max_frame_num);\n    h->mb_mbaff        = 0;\n    h->mb_aff_frame    = 0;\n    last_pic_structure = s0->picture_structure;\n    if (h->sps.frame_mbs_only_flag) {\n        s->picture_structure = PICT_FRAME;\n    } else {\n        if (get_bits1(&s->gb)) {\n            s->picture_structure = PICT_TOP_FIELD + get_bits1(&s->gb);\n        } else {\n            s->picture_structure = PICT_FRAME;\n            h->mb_aff_frame      = h->sps.mb_aff;\n        }\n    }\n    h->mb_field_decoding_flag = s->picture_structure != PICT_FRAME;\n    if (h0->current_slice == 0) {\n        if (h->frame_num != h->prev_frame_num) {\n            int unwrap_prev_frame_num = h->prev_frame_num;\n            int max_frame_num         = 1 << h->sps.log2_max_frame_num;\n            if (unwrap_prev_frame_num > h->frame_num)\n                unwrap_prev_frame_num -= max_frame_num;\n            if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) {\n                unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1;\n                if (unwrap_prev_frame_num < 0)\n                    unwrap_prev_frame_num += max_frame_num;\n                h->prev_frame_num = unwrap_prev_frame_num;\n            }\n        }\n        while (h->frame_num != h->prev_frame_num &&\n               h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {\n            Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;\n            av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\\n",\n                   h->frame_num, h->prev_frame_num);\n            if (ff_h264_frame_start(h) < 0)\n                return -1;\n            h->prev_frame_num++;\n            h->prev_frame_num %= 1 << h->sps.log2_max_frame_num;\n            s->current_picture_ptr->frame_num = h->prev_frame_num;\n            ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 0);\n            ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 1);\n            ff_generate_sliding_window_mmcos(h);\n            if (ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index) < 0 &&\n                (s->avctx->err_recognition & AV_EF_EXPLODE))\n                return AVERROR_INVALIDDATA;\n            if (h->short_ref_count) {\n                if (prev) {\n                    av_image_copy(h->short_ref[0]->f.data, h->short_ref[0]->f.linesize,\n                                  (const uint8_t **)prev->f.data, prev->f.linesize,\n                                  s->avctx->pix_fmt, s->mb_width * 16, s->mb_height * 16);\n                    h->short_ref[0]->poc = prev->poc + 2;\n                }\n                h->short_ref[0]->frame_num = h->prev_frame_num;\n            }\n        }\n        if (s0->first_field) {\n            assert(s0->current_picture_ptr);\n            assert(s0->current_picture_ptr->f.data[0]);\n            assert(s0->current_picture_ptr->f.reference != DELAYED_PIC_REF);\n            if (!FIELD_PICTURE || s->picture_structure == last_pic_structure) {\n                s0->current_picture_ptr = NULL;\n                s0->first_field         = FIELD_PICTURE;\n            } else {\n                if (h->nal_ref_idc &&\n                    s0->current_picture_ptr->f.reference &&\n                    s0->current_picture_ptr->frame_num != h->frame_num) {\n                    s0->first_field         = 1;\n                    s0->current_picture_ptr = NULL;\n                } else {\n                    s0->first_field = 0;\n                }\n            }\n        } else {\n            assert(!s0->current_picture_ptr);\n            s0->first_field = FIELD_PICTURE;\n        }\n        if (!FIELD_PICTURE || s0->first_field) {\n            if (ff_h264_frame_start(h) < 0) {\n                s0->first_field = 0;\n                return -1;\n            }\n        } else {\n            ff_release_unused_pictures(s, 0);\n        }\n    }\n    if (h != h0)\n        clone_slice(h, h0);\n    s->current_picture_ptr->frame_num = h->frame_num;\n    assert(s->mb_num == s->mb_width * s->mb_height);\n    if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE >= s->mb_num ||\n        first_mb_in_slice >= s->mb_num) {\n        av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\\n");\n        return -1;\n    }\n    s->resync_mb_x = s->mb_x =  first_mb_in_slice % s->mb_width;\n    s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << FIELD_OR_MBAFF_PICTURE;\n    if (s->picture_structure == PICT_BOTTOM_FIELD)\n        s->resync_mb_y = s->mb_y = s->mb_y + 1;\n    assert(s->mb_y < s->mb_height);\n    if (s->picture_structure == PICT_FRAME) {\n        h->curr_pic_num = h->frame_num;\n        h->max_pic_num  = 1 << h->sps.log2_max_frame_num;\n    } else {\n        h->curr_pic_num = 2 * h->frame_num + 1;\n        h->max_pic_num  = 1 << (h->sps.log2_max_frame_num + 1);\n    }\n    if (h->nal_unit_type == NAL_IDR_SLICE)\n        get_ue_golomb(&s->gb);\n    if (h->sps.poc_type == 0) {\n        h->poc_lsb = get_bits(&s->gb, h->sps.log2_max_poc_lsb);\n        if (h->pps.pic_order_present == 1 && s->picture_structure == PICT_FRAME)\n            h->delta_poc_bottom = get_se_golomb(&s->gb);\n    }\n    if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {\n        h->delta_poc[0] = get_se_golomb(&s->gb);\n        if (h->pps.pic_order_present == 1 && s->picture_structure == PICT_FRAME)\n            h->delta_poc[1] = get_se_golomb(&s->gb);\n    }\n    init_poc(h);\n    if (h->pps.redundant_pic_cnt_present)\n        h->redundant_pic_count = get_ue_golomb(&s->gb);\n    h->ref_count[0] = h->pps.ref_count[0];\n    h->ref_count[1] = h->pps.ref_count[1];\n    if (h->slice_type_nos != AV_PICTURE_TYPE_I) {\n        int max_refs = s->picture_structure == PICT_FRAME ? 16 : 32;\n        if (h->slice_type_nos == AV_PICTURE_TYPE_B)\n            h->direct_spatial_mv_pred = get_bits1(&s->gb);\n        num_ref_idx_active_override_flag = get_bits1(&s->gb);\n        if (num_ref_idx_active_override_flag) {\n            h->ref_count[0] = get_ue_golomb(&s->gb) + 1;\n            if (h->slice_type_nos == AV_PICTURE_TYPE_B)\n                h->ref_count[1] = get_ue_golomb(&s->gb) + 1;\n        }\n        if (h->ref_count[0] > max_refs || h->ref_count[1] > max_refs) {\n            av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\\n");\n            h->ref_count[0] = h->ref_count[1] = 1;\n            return AVERROR_INVALIDDATA;\n        }\n        if (h->slice_type_nos == AV_PICTURE_TYPE_B)\n            h->list_count = 2;\n        else\n            h->list_count = 1;\n    } else\n        h->list_count = 0;\n    if (!default_ref_list_done)\n        ff_h264_fill_default_ref_list(h);\n    if (h->slice_type_nos != AV_PICTURE_TYPE_I &&\n        ff_h264_decode_ref_pic_list_reordering(h) < 0) {\n        h->ref_count[1] = h->ref_count[0] = 0;\n        return -1;\n    }\n    if (h->slice_type_nos != AV_PICTURE_TYPE_I) {\n        s->last_picture_ptr = &h->ref_list[0][0];\n        ff_copy_picture(&s->last_picture, s->last_picture_ptr);\n    }\n    if (h->slice_type_nos == AV_PICTURE_TYPE_B) {\n        s->next_picture_ptr = &h->ref_list[1][0];\n        ff_copy_picture(&s->next_picture, s->next_picture_ptr);\n    }\n    if ((h->pps.weighted_pred && h->slice_type_nos == AV_PICTURE_TYPE_P) ||\n        (h->pps.weighted_bipred_idc == 1 &&\n         h->slice_type_nos == AV_PICTURE_TYPE_B))\n        pred_weight_table(h);\n    else if (h->pps.weighted_bipred_idc == 2 &&\n             h->slice_type_nos == AV_PICTURE_TYPE_B) {\n        implicit_weight_table(h, -1);\n    } else {\n        h->use_weight = 0;\n        for (i = 0; i < 2; i++) {\n            h->luma_weight_flag[i]   = 0;\n            h->chroma_weight_flag[i] = 0;\n        }\n    }\n    if (h->nal_ref_idc && ff_h264_decode_ref_pic_marking(h0, &s->gb) < 0 &&\n        (s->avctx->err_recognition & AV_EF_EXPLODE))\n        return AVERROR_INVALIDDATA;\n    if (FRAME_MBAFF) {\n        ff_h264_fill_mbaff_ref_list(h);\n        if (h->pps.weighted_bipred_idc == 2 && h->slice_type_nos == AV_PICTURE_TYPE_B) {\n            implicit_weight_table(h, 0);\n            implicit_weight_table(h, 1);\n        }\n    }\n    if (h->slice_type_nos == AV_PICTURE_TYPE_B && !h->direct_spatial_mv_pred)\n        ff_h264_direct_dist_scale_factor(h);\n    ff_h264_direct_ref_list_init(h);\n    if (h->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {\n        tmp = get_ue_golomb_31(&s->gb);\n        if (tmp > 2) {\n            av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\\n");\n            return -1;\n        }\n        h->cabac_init_idc = tmp;\n    }\n    h->last_qscale_diff = 0;\n    tmp = h->pps.init_qp + get_se_golomb(&s->gb);\n    if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) {\n        av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\\n", tmp);\n        return -1;\n    }\n    s->qscale       = tmp;\n    h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);\n    h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);\n    if (h->slice_type == AV_PICTURE_TYPE_SP)\n        get_bits1(&s->gb);\n    if (h->slice_type == AV_PICTURE_TYPE_SP ||\n        h->slice_type == AV_PICTURE_TYPE_SI)\n        get_se_golomb(&s->gb);\n    h->deblocking_filter     = 1;\n    h->slice_alpha_c0_offset = 52;\n    h->slice_beta_offset     = 52;\n    if (h->pps.deblocking_filter_parameters_present) {\n        tmp = get_ue_golomb_31(&s->gb);\n        if (tmp > 2) {\n            av_log(s->avctx, AV_LOG_ERROR,\n                   "deblocking_filter_idc %u out of range\\n", tmp);\n            return -1;\n        }\n        h->deblocking_filter = tmp;\n        if (h->deblocking_filter < 2)\n            h->deblocking_filter ^= 1;\n        if (h->deblocking_filter) {\n            h->slice_alpha_c0_offset += get_se_golomb(&s->gb) << 1;\n            h->slice_beta_offset     += get_se_golomb(&s->gb) << 1;\n            if (h->slice_alpha_c0_offset > 104U ||\n                h->slice_beta_offset     > 104U) {\n                av_log(s->avctx, AV_LOG_ERROR,\n                       "deblocking filter parameters %d %d out of range\\n",\n                       h->slice_alpha_c0_offset, h->slice_beta_offset);\n                return -1;\n            }\n        }\n    }\n    if (s->avctx->skip_loop_filter >= AVDISCARD_ALL ||\n        (s->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&\n         h->slice_type_nos != AV_PICTURE_TYPE_I) ||\n        (s->avctx->skip_loop_filter >= AVDISCARD_BIDIR  &&\n         h->slice_type_nos == AV_PICTURE_TYPE_B) ||\n        (s->avctx->skip_loop_filter >= AVDISCARD_NONREF &&\n         h->nal_ref_idc == 0))\n        h->deblocking_filter = 0;\n    if (h->deblocking_filter == 1 && h0->max_contexts > 1) {\n        if (s->avctx->flags2 & CODEC_FLAG2_FAST) {\n            h->deblocking_filter = 2;\n        } else {\n            h0->max_contexts = 1;\n            if (!h0->single_decode_warning) {\n                av_log(s->avctx, AV_LOG_INFO,\n                       "Cannot parallelize deblocking type 1, decoding such frames in sequential order\\n");\n                h0->single_decode_warning = 1;\n            }\n            if (h != h0) {\n                av_log(h->s.avctx, AV_LOG_ERROR,\n                       "Deblocking switched inside frame.\\n");\n                return 1;\n            }\n        }\n    }\n    h->qp_thresh = 15 + 52 -\n                   FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) -\n                   FFMAX3(0,\n                          h->pps.chroma_qp_index_offset[0],\n                          h->pps.chroma_qp_index_offset[1]) +\n                   6 * (h->sps.bit_depth_luma - 8);\n    h0->last_slice_type = slice_type;\n    h->slice_num = ++h0->current_slice;\n    if (h->slice_num >= MAX_SLICES) {\n        av_log(s->avctx, AV_LOG_ERROR,\n               "Too many slices, increase MAX_SLICES and recompile\\n");\n    }\n    for (j = 0; j < 2; j++) {\n        int id_list[16];\n        int *ref2frm = h->ref2frm[h->slice_num & (MAX_SLICES - 1)][j];\n        for (i = 0; i < 16; i++) {\n            id_list[i] = 60;\n            if (h->ref_list[j][i].f.data[0]) {\n                int k;\n                uint8_t *base = h->ref_list[j][i].f.base[0];\n                for (k = 0; k < h->short_ref_count; k++)\n                    if (h->short_ref[k]->f.base[0] == base) {\n                        id_list[i] = k;\n                        break;\n                    }\n                for (k = 0; k < h->long_ref_count; k++)\n                    if (h->long_ref[k] && h->long_ref[k]->f.base[0] == base) {\n                        id_list[i] = h->short_ref_count + k;\n                        break;\n                    }\n            }\n        }\n        ref2frm[0]     =\n            ref2frm[1] = -1;\n        for (i = 0; i < 16; i++)\n            ref2frm[i + 2] = 4 * id_list[i] +\n                             (h->ref_list[j][i].f.reference & 3);\n        ref2frm[18 + 0]     =\n            ref2frm[18 + 1] = -1;\n        for (i = 16; i < 48; i++)\n            ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +\n                             (h->ref_list[j][i].f.reference & 3);\n    }\n    h->emu_edge_width  = (s->flags & CODEC_FLAG_EMU_EDGE ||\n                          (!h->sps.frame_mbs_only_flag &&\n                           s->avctx->active_thread_type))\n                         ? 0 : 16;\n    h->emu_edge_height = (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;\n    if (s->avctx->debug & FF_DEBUG_PICT_INFO) {\n        av_log(h->s.avctx, AV_LOG_DEBUG,\n               "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\\n",\n               h->slice_num,\n               (s->picture_structure == PICT_FRAME ? "F" : s->picture_structure == PICT_TOP_FIELD ? "T" : "B"),\n               first_mb_in_slice,\n               av_get_picture_type_char(h->slice_type),\n               h->slice_type_fixed ? " fix" : "",\n               h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",\n               pps_id, h->frame_num,\n               s->current_picture_ptr->field_poc[0],\n               s->current_picture_ptr->field_poc[1],\n               h->ref_count[0], h->ref_count[1],\n               s->qscale,\n               h->deblocking_filter,\n               h->slice_alpha_c0_offset / 2 - 26, h->slice_beta_offset / 2 - 26,\n               h->use_weight,\n               h->use_weight == 1 && h->use_weight_chroma ? "c" : "",\n               h->slice_type == AV_PICTURE_TYPE_B ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");\n    }\n    return 0;\n}', 'static int field_end(H264Context *h, int in_setup)\n{\n    MpegEncContext *const s     = &h->s;\n    AVCodecContext *const avctx = s->avctx;\n    int err = 0;\n    s->mb_y = 0;\n    if (!in_setup && !s->dropable)\n        ff_thread_report_progress(&s->current_picture_ptr->f,\n                                  (16 * s->mb_height >> FIELD_PICTURE) - 1,\n                                  s->picture_structure == PICT_BOTTOM_FIELD);\n    if (CONFIG_H264_VDPAU_DECODER &&\n        s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)\n        ff_vdpau_h264_set_reference_frames(s);\n    if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) {\n        if (!s->dropable) {\n            err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);\n            h->prev_poc_msb = h->poc_msb;\n            h->prev_poc_lsb = h->poc_lsb;\n        }\n        h->prev_frame_num_offset = h->frame_num_offset;\n        h->prev_frame_num        = h->frame_num;\n        h->outputed_poc          = h->next_outputed_poc;\n    }\n    if (avctx->hwaccel) {\n        if (avctx->hwaccel->end_frame(avctx) < 0)\n            av_log(avctx, AV_LOG_ERROR,\n                   "hardware accelerator failed to decode picture\\n");\n    }\n    if (CONFIG_H264_VDPAU_DECODER &&\n        s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)\n        ff_vdpau_h264_picture_complete(s);\n    if (!FIELD_PICTURE)\n        ff_er_frame_end(s);\n    ff_MPV_frame_end(s);\n    h->current_slice = 0;\n    return err;\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}']