]> git.sesse.net Git - ffmpeg/commitdiff
Merge commit '996f13413b0415097e2a184d161462ffb3ceb647'
authorJames Almer <jamrial@gmail.com>
Mon, 1 Aug 2016 22:11:08 +0000 (19:11 -0300)
committerJames Almer <jamrial@gmail.com>
Mon, 1 Aug 2016 22:11:08 +0000 (19:11 -0300)
* commit '996f13413b0415097e2a184d161462ffb3ceb647':
  h264: fix warnings in fill_filter_caches_inter()

Conflicts:
libavcodec/h264_slice.c

See ef8f6464a55db730cab8c48a1a51fa4e6ca12107

Merged-by: James Almer <jamrial@gmail.com>
1  2 
libavcodec/h264_slice.c

diff --combined libavcodec/h264_slice.c
index 7d1817c8755d2f7980dc16a6a917aafac3f6ef41,c6eae120078efc86084c25c344be1edcb2e7f6d8..08e59aac48301271f8ac5eb0b4b056b47b171139
@@@ -2,20 -2,20 +2,20 @@@
   * H.26L/H.264/AVC/JVT/14496-10/... decoder
   * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
   *
 - * This file is part of Libav.
 + * This file is part of FFmpeg.
   *
 - * Libav is free software; you can redistribute it and/or
 + * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
 - * Libav is distributed in the hope that it will be useful,
 + * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
 - * License along with Libav; if not, write to the Free Software
 + * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #include "rectangle.h"
  #include "thread.h"
  
 -static const uint8_t field_scan[16] = {
 +static const uint8_t field_scan[16+1] = {
      0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
      0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
      2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
      3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
  };
  
 -static const uint8_t field_scan8x8[64] = {
 +static const uint8_t field_scan8x8[64+1] = {
      0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
      1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
      2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
@@@ -73,7 -73,7 +73,7 @@@
      7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
  };
  
 -static const uint8_t field_scan8x8_cavlc[64] = {
 +static const uint8_t field_scan8x8_cavlc[64+1] = {
      0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
      2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
      3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
@@@ -93,7 -93,7 +93,7 @@@
  };
  
  // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
 -static const uint8_t zigzag_scan8x8_cavlc[64] = {
 +static const uint8_t zigzag_scan8x8_cavlc[64+1] = {
      0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
      4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
      3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
@@@ -135,9 -135,9 +135,9 @@@ static int alloc_scratch_buffers(H264Sl
      // (= 21x21 for  H.264)
      av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
  
 -    av_fast_malloc(&sl->top_borders[0], &sl->top_borders_allocated[0],
 +    av_fast_mallocz(&sl->top_borders[0], &sl->top_borders_allocated[0],
                     h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
 -    av_fast_malloc(&sl->top_borders[1], &sl->top_borders_allocated[1],
 +    av_fast_mallocz(&sl->top_borders[1], &sl->top_borders_allocated[1],
                     h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
  
      if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
@@@ -196,10 -196,6 +196,10 @@@ static int alloc_picture(H264Context *h
      if (ret < 0)
          goto fail;
  
 +    pic->crop     = h->ps.sps->crop;
 +    pic->crop_top = h->ps.sps->crop_top;
 +    pic->crop_left= h->ps.sps->crop_left;
 +
      if (h->avctx->hwaccel) {
          const AVHWAccel *hwaccel = h->avctx->hwaccel;
          av_assert0(!pic->hwaccel_picture_private);
              pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
          }
      }
 +    if (CONFIG_GRAY && !h->avctx->hwaccel && h->flags & AV_CODEC_FLAG_GRAY && pic->f->data[2]) {
 +        int h_chroma_shift, v_chroma_shift;
 +        av_pix_fmt_get_chroma_sub_sample(pic->f->format,
 +                                         &h_chroma_shift, &v_chroma_shift);
 +
 +        for(i=0; i<AV_CEIL_RSHIFT(pic->f->height, v_chroma_shift); i++) {
 +            memset(pic->f->data[1] + pic->f->linesize[1]*i,
 +                   0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
 +            memset(pic->f->data[2] + pic->f->linesize[2]*i,
 +                   0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
 +        }
 +    }
  
      if (!h->qscale_table_pool) {
          ret = init_table_pools(h);
@@@ -274,13 -258,40 +274,13 @@@ static int find_unused_picture(H264Cont
      return i;
  }
  
 -static int initialize_cur_frame(H264Context *h)
 -{
 -    H264Picture *cur;
 -    int ret;
 -
 -    release_unused_pictures(h, 1);
 -    ff_h264_unref_picture(h, &h->cur_pic);
 -    h->cur_pic_ptr = NULL;
 -
 -    ret = find_unused_picture(h);
 -    if (ret < 0) {
 -        av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
 -        return ret;
 -    }
 -    cur = &h->DPB[ret];
 -
 -    ret = alloc_picture(h, cur);
 -    if (ret < 0)
 -        return ret;
 -
 -    ret = ff_h264_ref_picture(h, &h->cur_pic, cur);
 -    if (ret < 0)
 -        return ret;
 -    h->cur_pic_ptr = cur;
 -
 -    return 0;
 -}
  
 -#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
 +#define IN_RANGE(a, b, size) (((void*)(a) >= (void*)(b)) && ((void*)(a) < (void*)((b) + (size))))
  
  #define REBASE_PICTURE(pic, new_ctx, old_ctx)             \
 -    ((pic && pic >= old_ctx->DPB &&                       \
 -      pic < old_ctx->DPB + H264_MAX_PICTURE_COUNT) ?          \
 -     &new_ctx->DPB[pic - old_ctx->DPB] : NULL)
 +    (((pic) && (pic) >= (old_ctx)->DPB &&                       \
 +      (pic) < (old_ctx)->DPB + H264_MAX_PICTURE_COUNT) ?          \
 +     &(new_ctx)->DPB[(pic) - (old_ctx)->DPB] : NULL)
  
  static void copy_picture_range(H264Picture **to, H264Picture **from, int count,
                                 H264Context *new_base,
      int i;
  
      for (i = 0; i < count; i++) {
 -        assert((IN_RANGE(from[i], old_base, sizeof(*old_base)) ||
 -                IN_RANGE(from[i], old_base->DPB,
 -                         sizeof(H264Picture) * H264_MAX_PICTURE_COUNT) ||
 -                !from[i]));
 +        av_assert1(!from[i] ||
 +                   IN_RANGE(from[i], old_base, 1) ||
 +                   IN_RANGE(from[i], old_base->DPB, H264_MAX_PICTURE_COUNT));
          to[i] = REBASE_PICTURE(from[i], new_base, old_base);
      }
  }
@@@ -306,12 -318,11 +306,12 @@@ int ff_h264_update_thread_context(AVCod
      int need_reinit = 0;
      int i, ret;
  
 -    if (dst == src || !h1->context_initialized)
 +    if (dst == src)
          return 0;
  
 -    if (!h1->ps.sps)
 -        return AVERROR_INVALIDDATA;
 +    // We can't fail if SPS isn't set at it breaks current skip_frame code
 +    //if (!h1->ps.sps)
 +    //    return AVERROR_INVALIDDATA;
  
      if (inited &&
          (h->width                 != h1->width                 ||
          need_reinit = 1;
      }
  
 +    /* copy block_offset since frame_start may not be called */
 +    memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
 +
      // SPS/PPS
      for (i = 0; i < FF_ARRAY_ELEMS(h->ps.sps_list); i++) {
          av_buffer_unref(&h->ps.sps_list[i]);
          }
      }
  
 -    h->ps.sps = h1->ps.sps;
 +    av_buffer_unref(&h->ps.pps_ref);
 +    av_buffer_unref(&h->ps.sps_ref);
 +    h->ps.pps = NULL;
 +    h->ps.sps = NULL;
 +    if (h1->ps.pps_ref) {
 +        h->ps.pps_ref = av_buffer_ref(h1->ps.pps_ref);
 +        if (!h->ps.pps_ref)
 +            return AVERROR(ENOMEM);
 +        h->ps.pps = (const PPS*)h->ps.pps_ref->data;
 +    }
 +    if (h1->ps.sps_ref) {
 +        h->ps.sps_ref = av_buffer_ref(h1->ps.sps_ref);
 +        if (!h->ps.sps_ref)
 +            return AVERROR(ENOMEM);
 +        h->ps.sps = (const SPS*)h->ps.sps_ref->data;
 +    }
  
      if (need_reinit || !inited) {
          h->width     = h1->width;
          h->mb_stride = h1->mb_stride;
          h->b_stride  = h1->b_stride;
  
 -        if ((err = h264_slice_header_init(h)) < 0) {
 -            av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
 -            return err;
 +        if (h->context_initialized || h1->context_initialized) {
 +            if ((err = h264_slice_header_init(h)) < 0) {
 +                av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
 +                return err;
 +            }
          }
  
          /* copy block_offset since frame_start may not be called */
      h->picture_structure    = h1->picture_structure;
      h->mb_aff_frame         = h1->mb_aff_frame;
      h->droppable            = h1->droppable;
 +    h->backup_width         = h1->backup_width;
 +    h->backup_height        = h1->backup_height;
 +    h->backup_pix_fmt       = h1->backup_pix_fmt;
  
      for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
          ff_h264_unref_picture(h, &h->DPB[i]);
      // extradata/NAL handling
      h->is_avc = h1->is_avc;
      h->nal_length_size = h1->nal_length_size;
 +    h->sei.unregistered.x264_build = h1->sei.unregistered.x264_build;
  
      memcpy(&h->poc,        &h1->poc,        sizeof(h->poc));
  
 +    memcpy(h->default_ref, h1->default_ref, sizeof(h->default_ref));
      memcpy(h->short_ref,   h1->short_ref,   sizeof(h->short_ref));
      memcpy(h->long_ref,    h1->long_ref,    sizeof(h->long_ref));
      memcpy(h->delayed_pic, h1->delayed_pic, sizeof(h->delayed_pic));
      copy_picture_range(h->delayed_pic, h1->delayed_pic,
                         MAX_DELAYED_PIC_COUNT + 2, h, h1);
  
 +    h->frame_recovered       = h1->frame_recovered;
 +
      if (!h->cur_pic_ptr)
          return 0;
  
      h->poc.prev_frame_num        = h->poc.frame_num;
  
      h->recovery_frame        = h1->recovery_frame;
 -    h->frame_recovered       = h1->frame_recovered;
  
      return err;
  }
@@@ -466,28 -451,12 +466,28 @@@ static int h264_frame_start(H264Contex
      H264Picture *pic;
      int i, ret;
      const int pixel_shift = h->pixel_shift;
 +    int c[4] = {
 +        1<<(h->ps.sps->bit_depth_luma-1),
 +        1<<(h->ps.sps->bit_depth_chroma-1),
 +        1<<(h->ps.sps->bit_depth_chroma-1),
 +        -1
 +    };
  
 -    ret = initialize_cur_frame(h);
 -    if (ret < 0)
 -        return ret;
 +    if (!ff_thread_can_start_frame(h->avctx)) {
 +        av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
 +        return -1;
 +    }
 +
 +    release_unused_pictures(h, 1);
 +    h->cur_pic_ptr = NULL;
 +
 +    i = find_unused_picture(h);
 +    if (i < 0) {
 +        av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
 +        return i;
 +    }
 +    pic = &h->DPB[i];
  
 -    pic = h->cur_pic_ptr;
      pic->reference              = h->droppable ? 0 : h->picture_structure;
      pic->f->coded_picture_number = h->coded_picture_number++;
      pic->field_picture          = h->picture_structure != PICT_FRAME;
      pic->f->key_frame = 0;
      pic->mmco_reset  = 0;
      pic->recovered   = 0;
 +    pic->invalid_gap = 0;
 +    pic->sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
  
      pic->f->pict_type = h->slice_ctx[0].slice_type;
  
 -    if (CONFIG_ERROR_RESILIENCE && h->enable_er)
 +    if ((ret = alloc_picture(h, pic)) < 0)
 +        return ret;
 +    if(!h->frame_recovered && !h->avctx->hwaccel
 +#if FF_API_CAP_VDPAU
 +       && !(h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU)
 +#endif
 +       )
 +        ff_color_frame(pic->f, c);
 +
 +    h->cur_pic_ptr = pic;
 +    ff_h264_unref_picture(h, &h->cur_pic);
 +    if (CONFIG_ERROR_RESILIENCE) {
 +        ff_h264_set_erpic(&h->slice_ctx[0].er.cur_pic, NULL);
 +    }
 +
 +    if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
 +        return ret;
 +
 +    for (i = 0; i < h->nb_slice_ctx; i++) {
 +        h->slice_ctx[i].linesize   = h->cur_pic_ptr->f->linesize[0];
 +        h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f->linesize[1];
 +    }
 +
 +    if (CONFIG_ERROR_RESILIENCE && h->enable_er) {
          ff_er_frame_start(&h->slice_ctx[0].er);
 +        ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);
 +        ff_h264_set_erpic(&h->slice_ctx[0].er.next_pic, NULL);
 +    }
  
      for (i = 0; i < 16; i++) {
          h->block_offset[i]           = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
          h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
      }
  
 -    /* Some macroblocks can be accessed before they're available in case
 -     * of lost slices, MBAFF or threading. */
 -    memset(h->slice_table, -1,
 -           (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
 -
      /* We mark the current picture as non-reference after allocating it, so
       * that if we break out due to an error it can be released automatically
       * in the next ff_mpv_frame_start().
@@@ -682,7 -628,7 +682,7 @@@ static void implicit_weight_table(cons
              cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
          }
          if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
 -            sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) {
 +            sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2 * cur_poc) {
              sl->pwt.use_weight        = 0;
              sl->pwt.use_weight_chroma = 0;
              return;
      sl->pwt.chroma_log2_weight_denom = 5;
  
      for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
 -        int poc0 = sl->ref_list[0][ref0].poc;
 +        int64_t poc0 = sl->ref_list[0][ref0].poc;
          for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
              int w = 32;
              if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
@@@ -734,13 -680,13 +734,13 @@@ static void init_scan_tables(H264Contex
  {
      int i;
      for (i = 0; i < 16; i++) {
 -#define TRANSPOSE(x) (x >> 2) | ((x << 2) & 0xF)
 +#define TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF)
          h->zigzag_scan[i] = TRANSPOSE(ff_zigzag_scan[i]);
          h->field_scan[i]  = TRANSPOSE(field_scan[i]);
  #undef TRANSPOSE
      }
      for (i = 0; i < 64; i++) {
 -#define TRANSPOSE(x) (x >> 3) | ((x & 7) << 3)
 +#define TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3)
          h->zigzag_scan8x8[i]       = TRANSPOSE(ff_zigzag_direct[i]);
          h->zigzag_scan8x8_cavlc[i] = TRANSPOSE(zigzag_scan8x8_cavlc[i]);
          h->field_scan8x8[i]        = TRANSPOSE(field_scan8x8[i]);
  #undef TRANSPOSE
      }
      if (h->ps.sps->transform_bypass) { // FIXME same ugly
 -        h->zigzag_scan_q0          = ff_zigzag_scan;
 -        h->zigzag_scan8x8_q0       = ff_zigzag_direct;
 -        h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
 -        h->field_scan_q0           = field_scan;
 -        h->field_scan8x8_q0        = field_scan8x8;
 -        h->field_scan8x8_cavlc_q0  = field_scan8x8_cavlc;
 +        memcpy(h->zigzag_scan_q0          , ff_zigzag_scan          , sizeof(h->zigzag_scan_q0         ));
 +        memcpy(h->zigzag_scan8x8_q0       , ff_zigzag_direct        , sizeof(h->zigzag_scan8x8_q0      ));
 +        memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc    , sizeof(h->zigzag_scan8x8_cavlc_q0));
 +        memcpy(h->field_scan_q0           , field_scan              , sizeof(h->field_scan_q0          ));
 +        memcpy(h->field_scan8x8_q0        , field_scan8x8           , sizeof(h->field_scan8x8_q0       ));
 +        memcpy(h->field_scan8x8_cavlc_q0  , field_scan8x8_cavlc     , sizeof(h->field_scan8x8_cavlc_q0 ));
      } else {
 -        h->zigzag_scan_q0          = h->zigzag_scan;
 -        h->zigzag_scan8x8_q0       = h->zigzag_scan8x8;
 -        h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
 -        h->field_scan_q0           = h->field_scan;
 -        h->field_scan8x8_q0        = h->field_scan8x8;
 -        h->field_scan8x8_cavlc_q0  = h->field_scan8x8_cavlc;
 +        memcpy(h->zigzag_scan_q0          , h->zigzag_scan          , sizeof(h->zigzag_scan_q0         ));
 +        memcpy(h->zigzag_scan8x8_q0       , h->zigzag_scan8x8       , sizeof(h->zigzag_scan8x8_q0      ));
 +        memcpy(h->zigzag_scan8x8_cavlc_q0 , h->zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
 +        memcpy(h->field_scan_q0           , h->field_scan           , sizeof(h->field_scan_q0          ));
 +        memcpy(h->field_scan8x8_q0        , h->field_scan8x8        , sizeof(h->field_scan8x8_q0       ));
 +        memcpy(h->field_scan8x8_cavlc_q0  , h->field_scan8x8_cavlc  , sizeof(h->field_scan8x8_cavlc_q0 ));
      }
  }
  
 -static enum AVPixelFormat get_pixel_format(H264Context *h)
 +static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
  {
  #define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
                       CONFIG_H264_D3D11VA_HWACCEL + \
                       CONFIG_H264_VAAPI_HWACCEL + \
                       (CONFIG_H264_VDA_HWACCEL * 2) + \
 +                     CONFIG_H264_VIDEOTOOLBOX_HWACCEL + \
                       CONFIG_H264_VDPAU_HWACCEL)
      enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
      const enum AVPixelFormat *choices = pix_fmts;
 +    int i;
  
      switch (h->ps.sps->bit_depth_luma) {
      case 9:
          else
              *fmt++ = AV_PIX_FMT_YUV420P10;
          break;
 +    case 12:
 +        if (CHROMA444(h)) {
 +            if (h->avctx->colorspace == AVCOL_SPC_RGB) {
 +                *fmt++ = AV_PIX_FMT_GBRP12;
 +            } else
 +                *fmt++ = AV_PIX_FMT_YUV444P12;
 +        } else if (CHROMA422(h))
 +            *fmt++ = AV_PIX_FMT_YUV422P12;
 +        else
 +            *fmt++ = AV_PIX_FMT_YUV420P12;
 +        break;
 +    case 14:
 +        if (CHROMA444(h)) {
 +            if (h->avctx->colorspace == AVCOL_SPC_RGB) {
 +                *fmt++ = AV_PIX_FMT_GBRP14;
 +            } else
 +                *fmt++ = AV_PIX_FMT_YUV444P14;
 +        } else if (CHROMA422(h))
 +            *fmt++ = AV_PIX_FMT_YUV422P14;
 +        else
 +            *fmt++ = AV_PIX_FMT_YUV420P14;
 +        break;
      case 8:
  #if CONFIG_H264_VDPAU_HWACCEL
          *fmt++ = AV_PIX_FMT_VDPAU;
  #if CONFIG_H264_VDA_HWACCEL
              *fmt++ = AV_PIX_FMT_VDA_VLD;
              *fmt++ = AV_PIX_FMT_VDA;
 +#endif
 +#if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
 +            *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
  #endif
              if (h->avctx->codec->pix_fmts)
                  choices = h->avctx->codec->pix_fmts;
  
      *fmt = AV_PIX_FMT_NONE;
  
 -    return ff_get_format(h->avctx, choices);
 +    for (i=0; choices[i] != AV_PIX_FMT_NONE; i++)
 +        if (choices[i] == h->avctx->pix_fmt && !force_callback)
 +            return choices[i];
 +    return ff_thread_get_format(h->avctx, choices);
  }
  
  /* export coded and cropped frame dimensions to AVCodecContext */
  static int init_dimensions(H264Context *h)
  {
 -    SPS *sps = h->ps.sps;
 +    const SPS *sps = (const SPS*)h->ps.sps;
      int width  = h->width  - (sps->crop_right + sps->crop_left);
      int height = h->height - (sps->crop_top   + sps->crop_bottom);
 +    av_assert0(sps->crop_right + sps->crop_left < (unsigned)h->width);
 +    av_assert0(sps->crop_top + sps->crop_bottom < (unsigned)h->height);
  
      /* handle container cropping */
      if (FFALIGN(h->avctx->width,  16) == FFALIGN(width,  16) &&
 -        FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16)) {
 +        FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16) &&
 +        h->avctx->width  <= width &&
 +        h->avctx->height <= height
 +    ) {
          width  = h->avctx->width;
          height = h->avctx->height;
      }
  
 -    if (width <= 0 || height <= 0) {
 -        av_log(h->avctx, AV_LOG_ERROR, "Invalid cropped dimensions: %dx%d.\n",
 -               width, height);
 -        if (h->avctx->err_recognition & AV_EF_EXPLODE)
 -            return AVERROR_INVALIDDATA;
 -
 -        av_log(h->avctx, AV_LOG_WARNING, "Ignoring cropping information.\n");
 -        sps->crop_bottom =
 -        sps->crop_top    =
 -        sps->crop_right  =
 -        sps->crop_left   =
 -        sps->crop        = 0;
 -
 -        width  = h->width;
 -        height = h->height;
 -    }
 -
      h->avctx->coded_width  = h->width;
      h->avctx->coded_height = h->height;
      h->avctx->width        = width;
@@@ -917,7 -845,7 +917,7 @@@ static int h264_slice_header_init(H264C
          if (h->sei.unregistered.x264_build < 44U)
              den *= 2;
          av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
 -                  sps->num_units_in_tick, den, 1 << 30);
 +                  sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
      }
  
      ff_h264_free_tables(h);
      ret = ff_h264_alloc_tables(h);
      if (ret < 0) {
          av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n");
 -        return ret;
 +        goto fail;
      }
  
 -    if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 10) {
 +#if FF_API_CAP_VDPAU
 +    if (h->avctx->codec &&
 +        h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU &&
 +        (sps->bit_depth_luma != 8 || sps->chroma_format_idc > 1)) {
 +        av_log(h->avctx, AV_LOG_ERROR,
 +                "VDPAU decoding does not support video colorspace.\n");
 +        ret = AVERROR_INVALIDDATA;
 +        goto fail;
 +    }
 +#endif
 +
 +    if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 ||
 +        sps->bit_depth_luma == 11 || sps->bit_depth_luma == 13
 +    ) {
          av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
                 sps->bit_depth_luma);
 -        return AVERROR_INVALIDDATA;
 +        ret = AVERROR_INVALIDDATA;
 +        goto fail;
      }
  
 +    h->cur_bit_depth_luma         =
      h->avctx->bits_per_raw_sample = sps->bit_depth_luma;
 +    h->cur_chroma_format_idc      = sps->chroma_format_idc;
      h->pixel_shift                = sps->bit_depth_luma > 8;
      h->chroma_format_idc          = sps->chroma_format_idc;
      h->bit_depth_luma             = sps->bit_depth_luma;
          ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
          if (ret < 0) {
              av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
 -            return ret;
 +            goto fail;
          }
      } else {
          for (i = 0; i < h->nb_slice_ctx; i++) {
  
              if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
                  av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
 -                return ret;
 +                goto fail;
              }
          }
      }
      h->context_initialized = 1;
  
      return 0;
 +fail:
 +    ff_h264_free_tables(h);
 +    h->context_initialized = 0;
 +    return ret;
 +}
 +
 +static enum AVPixelFormat non_j_pixfmt(enum AVPixelFormat a)
 +{
 +    switch (a) {
 +    case AV_PIX_FMT_YUVJ420P: return AV_PIX_FMT_YUV420P;
 +    case AV_PIX_FMT_YUVJ422P: return AV_PIX_FMT_YUV422P;
 +    case AV_PIX_FMT_YUVJ444P: return AV_PIX_FMT_YUV444P;
 +    default:
 +        return a;
 +    }
  }
  
 -static int h264_init_ps(H264Context *h, const H264SliceContext *sl)
 +static int h264_init_ps(H264Context *h, const H264SliceContext *sl, int first_slice)
  {
      const SPS *sps;
 -    int needs_reinit = 0, ret;
 +    int needs_reinit = 0, must_reinit, ret;
 +
 +    if (first_slice) {
 +        av_buffer_unref(&h->ps.pps_ref);
 +        h->ps.pps = NULL;
 +        h->ps.pps_ref = av_buffer_ref(h->ps.pps_list[sl->pps_id]);
 +        if (!h->ps.pps_ref)
 +            return AVERROR(ENOMEM);
 +        h->ps.pps = (const PPS*)h->ps.pps_ref->data;
 +    }
  
 -    h->ps.pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
      if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) {
 -        h->ps.sps = (SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data;
 +        av_buffer_unref(&h->ps.sps_ref);
 +        h->ps.sps = NULL;
 +        h->ps.sps_ref = av_buffer_ref(h->ps.sps_list[h->ps.pps->sps_id]);
 +        if (!h->ps.sps_ref)
 +            return AVERROR(ENOMEM);
 +        h->ps.sps = (const SPS*)h->ps.sps_ref->data;
 +
 +        if (h->mb_width  != h->ps.sps->mb_width ||
 +            h->mb_height != h->ps.sps->mb_height * (2 - h->ps.sps->frame_mbs_only_flag) ||
 +            h->cur_bit_depth_luma    != h->ps.sps->bit_depth_luma ||
 +            h->cur_chroma_format_idc != h->ps.sps->chroma_format_idc
 +        )
 +            needs_reinit = 1;
  
          if (h->bit_depth_luma    != h->ps.sps->bit_depth_luma ||
              h->chroma_format_idc != h->ps.sps->chroma_format_idc)
      }
      sps = h->ps.sps;
  
 -    h->avctx->profile = ff_h264_get_profile(sps);
 -    h->avctx->level   = sps->level_idc;
 -    h->avctx->refs    = sps->ref_frame_count;
 +    must_reinit = (h->context_initialized &&
 +                    (   16*sps->mb_width != h->avctx->coded_width
 +                     || 16*sps->mb_height * (2 - sps->frame_mbs_only_flag) != h->avctx->coded_height
 +                     || h->cur_bit_depth_luma    != sps->bit_depth_luma
 +                     || h->cur_chroma_format_idc != sps->chroma_format_idc
 +                     || h->mb_width  != sps->mb_width
 +                     || h->mb_height != sps->mb_height * (2 - sps->frame_mbs_only_flag)
 +                    ));
 +    if (h->avctx->pix_fmt == AV_PIX_FMT_NONE
 +        || (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
 +        must_reinit = 1;
 +
 +    if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio))
 +        must_reinit = 1;
  
 -    if (h->mb_width  != sps->mb_width ||
 -        h->mb_height != sps->mb_height * (2 - sps->frame_mbs_only_flag))
 -        needs_reinit = 1;
 +    if (!h->setup_finished) {
 +        h->avctx->profile = ff_h264_get_profile(sps);
 +        h->avctx->level   = sps->level_idc;
 +        h->avctx->refs    = sps->ref_frame_count;
  
 -    h->mb_width  = sps->mb_width;
 -    h->mb_height = sps->mb_height * (2 - sps->frame_mbs_only_flag);
 -    h->mb_num    = h->mb_width * h->mb_height;
 -    h->mb_stride = h->mb_width + 1;
 +        h->mb_width  = sps->mb_width;
 +        h->mb_height = sps->mb_height * (2 - sps->frame_mbs_only_flag);
 +        h->mb_num    = h->mb_width * h->mb_height;
 +        h->mb_stride = h->mb_width + 1;
  
 -    h->b_stride = h->mb_width * 4;
 +        h->b_stride = h->mb_width * 4;
  
 -    h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p
 +        h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p
  
 -    h->width  = 16 * h->mb_width;
 -    h->height = 16 * h->mb_height;
 +        h->width  = 16 * h->mb_width;
 +        h->height = 16 * h->mb_height;
  
 -    ret = init_dimensions(h);
 -    if (ret < 0)
 -        return ret;
 +        ret = init_dimensions(h);
 +        if (ret < 0)
 +            return ret;
  
 -    if (sps->video_signal_type_present_flag) {
 -        h->avctx->color_range = sps->full_range ? AVCOL_RANGE_JPEG
 -            : AVCOL_RANGE_MPEG;
 -        if (sps->colour_description_present_flag) {
 -            if (h->avctx->colorspace != sps->colorspace)
 -                needs_reinit = 1;
 -            h->avctx->color_primaries = sps->color_primaries;
 -            h->avctx->color_trc       = sps->color_trc;
 -            h->avctx->colorspace      = sps->colorspace;
 +        if (sps->video_signal_type_present_flag) {
 +            h->avctx->color_range = sps->full_range > 0 ? AVCOL_RANGE_JPEG
 +                                                        : AVCOL_RANGE_MPEG;
 +            if (sps->colour_description_present_flag) {
 +                if (h->avctx->colorspace != sps->colorspace)
 +                    needs_reinit = 1;
 +                h->avctx->color_primaries = sps->color_primaries;
 +                h->avctx->color_trc       = sps->color_trc;
 +                h->avctx->colorspace      = sps->colorspace;
 +            }
          }
      }
  
 -    if (!h->context_initialized || needs_reinit) {
 +    if (!h->context_initialized || must_reinit || needs_reinit) {
 +        int flush_changes = h->context_initialized;
          h->context_initialized = 0;
          if (sl != h->slice_ctx) {
              av_log(h->avctx, AV_LOG_ERROR,
              return AVERROR_INVALIDDATA;
          }
  
 -        ff_h264_flush_change(h);
 +        av_assert1(first_slice);
  
 -        if ((ret = get_pixel_format(h)) < 0)
 +        if (flush_changes)
 +            ff_h264_flush_change(h);
 +
 +        if ((ret = get_pixel_format(h, 1)) < 0)
              return ret;
          h->avctx->pix_fmt = ret;
  
          av_log(h->avctx, AV_LOG_VERBOSE, "Reinit context to %dx%d, "
 -               "pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt);
 +               "pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
  
          if ((ret = h264_slice_header_init(h)) < 0) {
              av_log(h->avctx, AV_LOG_ERROR,
@@@ -1185,7 -1045,7 +1185,7 @@@ static int h264_export_frame_props(H264
          /* Derive top_field_first from field pocs. */
          cur->f->top_field_first = cur->field_poc[0] < cur->field_poc[1];
      } else {
 -        if (cur->f->interlaced_frame || sps->pic_struct_present_flag) {
 +        if (sps->pic_struct_present_flag) {
              /* Use picture timing SEI information. Even if it is a
               * information of a past frame, better than nothing. */
              if (h->sei.picture_timing.pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM ||
                  cur->f->top_field_first = 1;
              else
                  cur->f->top_field_first = 0;
 +        } else if (cur->f->interlaced_frame) {
 +            /* Default to top field first when pic_struct_present_flag
 +             * is not set but interlaced frame detected */
 +            cur->f->top_field_first = 1;
          } else {
              /* Most likely progressive */
              cur->f->top_field_first = 0;
      }
  
      if (h->sei.frame_packing.present &&
 -        h->sei.frame_packing.arrangement_type >= 0 &&
 -        h->sei.frame_packing.arrangement_type <= 6 &&
 +        h->sei.frame_packing.frame_packing_arrangement_type <= 6 &&
          h->sei.frame_packing.content_interpretation_type > 0 &&
          h->sei.frame_packing.content_interpretation_type < 3) {
          H264SEIFramePacking *fp = &h->sei.frame_packing;
          AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f);
 -        if (!stereo)
 -            return AVERROR(ENOMEM);
 -
 -        switch (fp->arrangement_type) {
 +        if (stereo) {
 +        switch (fp->frame_packing_arrangement_type) {
          case 0:
              stereo->type = AV_STEREO3D_CHECKERBOARD;
              break;
              stereo->type = AV_STEREO3D_LINES;
              break;
          case 3:
 -            if (fp->quincunx_subsampling)
 +            if (fp->quincunx_sampling_flag)
                  stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
              else
                  stereo->type = AV_STEREO3D_SIDEBYSIDE;
  
          if (fp->content_interpretation_type == 2)
              stereo->flags = AV_STEREO3D_FLAG_INVERT;
 +        }
      }
  
      if (h->sei.display_orientation.present &&
          AVFrameSideData *rotation = av_frame_new_side_data(cur->f,
                                                             AV_FRAME_DATA_DISPLAYMATRIX,
                                                             sizeof(int32_t) * 9);
 -        if (!rotation)
 -            return AVERROR(ENOMEM);
 -
 -        av_display_rotation_set((int32_t *)rotation->data, angle);
 -        av_display_matrix_flip((int32_t *)rotation->data,
 -                               o->hflip, o->vflip);
 +        if (rotation) {
 +            av_display_rotation_set((int32_t *)rotation->data, angle);
 +            av_display_matrix_flip((int32_t *)rotation->data,
 +                                   o->hflip, o->vflip);
 +        }
      }
  
      if (h->sei.afd.present) {
          AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD,
                                                       sizeof(uint8_t));
 -        if (!sd)
 -            return AVERROR(ENOMEM);
  
 -        *sd->data = h->sei.afd.active_format_description;
 -        h->sei.afd.present = 0;
 +        if (sd) {
 +            *sd->data = h->sei.afd.active_format_description;
 +            h->sei.afd.present = 0;
 +        }
      }
  
      if (h->sei.a53_caption.a53_caption) {
          AVFrameSideData *sd = av_frame_new_side_data(cur->f,
                                                       AV_FRAME_DATA_A53_CC,
                                                       a53->a53_caption_size);
 -        if (!sd)
 -            return AVERROR(ENOMEM);
 -
 -        memcpy(sd->data, a53->a53_caption, a53->a53_caption_size);
 +        if (sd)
 +            memcpy(sd->data, a53->a53_caption, a53->a53_caption_size);
          av_freep(&a53->a53_caption);
          a53->a53_caption_size = 0;
 +        h->avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
      }
  
      return 0;
   * or a second field in a pair and does the necessary setup.
   */
  static int h264_field_start(H264Context *h, const H264SliceContext *sl,
 -                            const H2645NAL *nal)
 +                            const H2645NAL *nal, int first_slice)
  {
 +    int i;
      const SPS *sps;
  
      int last_pic_structure, last_pic_droppable, ret;
  
 -    ret = h264_init_ps(h, sl);
 +    ret = h264_init_ps(h, sl, first_slice);
      if (ret < 0)
          return ret;
  
       * Here, we're using that to see if we should mark previously
       * decode frames as "finished".
       * We have to do that before the "dummy" in-between frame allocation,
 -     * since that can modify s->current_picture_ptr. */
 +     * since that can modify h->cur_pic_ptr. */
      if (h->first_field) {
 -        assert(h->cur_pic_ptr);
 -        assert(h->cur_pic_ptr->f->buf[0]);
 +        av_assert0(h->cur_pic_ptr);
 +        av_assert0(h->cur_pic_ptr->f->buf[0]);
          assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
  
 +        /* Mark old field/frame as completed */
 +        if (h->cur_pic_ptr->tf.owner == h->avctx) {
 +            ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
 +                                      last_pic_structure == PICT_BOTTOM_FIELD);
 +        }
 +
          /* figure out if we have a complementary field pair */
          if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
              /* Previous field is unmatched. Don't display it, but let it
               * remain for reference if marked as such. */
 -            if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {
 +            if (last_pic_structure != PICT_FRAME) {
                  ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
                                            last_pic_structure == PICT_TOP_FIELD);
              }
                   * different frame_nums. Consider this field first in
                   * pair. Throw away previous field except for reference
                   * purposes. */
 -                if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {
 +                if (last_pic_structure != PICT_FRAME) {
                      ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
                                                last_pic_structure == PICT_TOP_FIELD);
                  }
          }
      }
  
 -    while (h->poc.frame_num != h->poc.prev_frame_num &&
 +    while (h->poc.frame_num != h->poc.prev_frame_num && !h->first_field &&
             h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) {
          H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
          av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
                 h->poc.frame_num, h->poc.prev_frame_num);
 -        ret = initialize_cur_frame(h);
 +        if (!sps->gaps_in_frame_num_allowed_flag)
 +            for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
 +                h->last_pocs[i] = INT_MIN;
 +        ret = h264_frame_start(h);
          if (ret < 0) {
              h->first_field = 0;
              return ret;
          h->poc.prev_frame_num++;
          h->poc.prev_frame_num        %= 1 << sps->log2_max_frame_num;
          h->cur_pic_ptr->frame_num = h->poc.prev_frame_num;
 +        h->cur_pic_ptr->invalid_gap = !sps->gaps_in_frame_num_allowed_flag;
          ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
          ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
  
                                (const uint8_t **)prev->f->data,
                                prev->f->linesize,
                                prev->f->format,
 -                              h->mb_width  * 16,
 -                              h->mb_height * 16);
 +                              prev->f->width,
 +                              prev->f->height);
                  h->short_ref[0]->poc = prev->poc + 2;
              }
              h->short_ref[0]->frame_num = h->poc.prev_frame_num;
       * We're using that to see whether to continue decoding in that
       * frame, or to allocate a new one. */
      if (h->first_field) {
 -        assert(h->cur_pic_ptr);
 -        assert(h->cur_pic_ptr->f->buf[0]);
 +        av_assert0(h->cur_pic_ptr);
 +        av_assert0(h->cur_pic_ptr->f->buf[0]);
          assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
  
          /* figure out if we have a complementary field pair */
          if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
              /* Previous field is unmatched. Don't display it, but let it
               * remain for reference if marked as such. */
 +            h->missing_fields ++;
              h->cur_pic_ptr = NULL;
              h->first_field = FIELD_PICTURE(h);
          } else {
 +            h->missing_fields = 0;
              if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
 +                ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
 +                                          h->picture_structure==PICT_BOTTOM_FIELD);
                  /* This and the previous field had different frame_nums.
                   * Consider this field first in pair. Throw away previous
                   * one except for reference purposes. */
      } else {
          release_unused_pictures(h, 0);
      }
 +    /* Some macroblocks can be accessed before they're available in case
 +    * of lost slices, MBAFF or threading. */
 +    if (FIELD_PICTURE(h)) {
 +        for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
 +            memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
 +    } else {
 +        memset(h->slice_table, -1,
 +            (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
 +    }
  
      ff_h264_init_poc(h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc,
                       h->ps.sps, &h->poc, h->picture_structure, nal->ref_idc);
@@@ -1517,13 -1353,9 +1517,13 @@@ static int h264_slice_header_parse(cons
      int ret;
      unsigned int slice_type, tmp, i;
      int field_pic_flag, bottom_field_flag;
 -    int droppable, picture_structure;
 +    int first_slice = sl == h->slice_ctx && !h->current_slice;
 +    int picture_structure;
 +
 +    if (first_slice)
 +        av_assert0(!h->setup_finished);
  
 -    sl->first_mb_addr = get_ue_golomb(&sl->gb);
 +    sl->first_mb_addr = get_ue_golomb_long(&sl->gb);
  
      slice_type = get_ue_golomb_31(&sl->gb);
      if (slice_type > 9) {
      sps = (const SPS*)h->ps.sps_list[pps->sps_id]->data;
  
      sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
 +    if (!first_slice) {
 +        if (h->poc.frame_num != sl->frame_num) {
 +            av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
 +                   h->poc.frame_num, sl->frame_num);
 +            return AVERROR_INVALIDDATA;
 +        }
 +    }
  
      sl->mb_mbaff       = 0;
  
 -    droppable = nal->ref_idc == 0;
      if (sps->frame_mbs_only_flag) {
          picture_structure = PICT_FRAME;
      } else {
 +        if (!sps->direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
 +            av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
 +            return -1;
 +        }
          field_pic_flag = get_bits1(&sl->gb);
          if (field_pic_flag) {
              bottom_field_flag = get_bits1(&sl->gb);
      }
  
      if (nal->type == H264_NAL_IDR_SLICE)
 -        get_ue_golomb(&sl->gb); /* idr_pic_id */
 +        get_ue_golomb_long(&sl->gb); /* idr_pic_id */
  
      if (sps->poc_type == 0) {
          sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
  
      ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
                                    &sl->gb, pps, sl->slice_type_nos,
 -                                  picture_structure);
 +                                  picture_structure, h->avctx);
      if (ret < 0)
          return ret;
  
          (pps->weighted_bipred_idc == 1 &&
           sl->slice_type_nos == AV_PICTURE_TYPE_B))
          ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
 -                                  sl->slice_type_nos, &sl->pwt);
 +                                  sl->slice_type_nos, &sl->pwt, h->avctx);
  
      sl->explicit_ref_marking = 0;
      if (nal->ref_idc) {
@@@ -1729,92 -1551,40 +1729,92 @@@ int ff_h264_decode_slice_header(H264Con
                                  const H2645NAL *nal)
  {
      int i, j, ret = 0;
 +    int first_slice = sl == h->slice_ctx && !h->current_slice;
  
      ret = h264_slice_header_parse(h, sl, nal);
      if (ret < 0)
          return ret;
  
 -    if (!h->setup_finished) {
 -        if (sl->first_mb_addr == 0) { // FIXME better field boundary detection
 -            if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
 -                ff_h264_field_end(h, sl, 1);
 -            }
 +    if (sl->first_mb_addr == 0 || !h->current_slice) {
 +        if (h->setup_finished) {
 +            av_log(h->avctx, AV_LOG_ERROR, "Too many fields\n");
 +            return AVERROR_INVALIDDATA;
 +        }
 +    }
  
 -            h->current_slice = 0;
 -            if (!h->first_field) {
 -                if (h->cur_pic_ptr && !h->droppable) {
 -                    ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
 -                                              h->picture_structure == PICT_BOTTOM_FIELD);
 +    if (sl->first_mb_addr == 0) { // FIXME better field boundary detection
 +        if (h->current_slice) {
 +            if (h->max_contexts > 1) {
 +                if (!h->single_decode_warning) {
 +                    av_log(h->avctx, AV_LOG_WARNING, "Cannot decode multiple access units as slice threads\n");
 +                    h->single_decode_warning = 1;
                  }
 +                h->max_contexts = 1;
 +                return SLICE_SINGLETHREAD;
 +            }
 +
 +            if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
 +                ret = ff_h264_field_end(h, h->slice_ctx, 1);
 +                h->current_slice = 0;
 +                if (ret < 0)
 +                    return ret;
 +            } else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type  == H264_NAL_IDR_SLICE) {
 +                av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
 +                ret = ff_h264_field_end(h, h->slice_ctx, 1);
 +                h->current_slice = 0;
 +                ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
 +                ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
                  h->cur_pic_ptr = NULL;
 +                if (ret < 0)
 +                    return ret;
 +            } else
 +                return AVERROR_INVALIDDATA;
 +        }
 +
 +        if (!h->first_field) {
 +            if (h->cur_pic_ptr && !h->droppable) {
 +                ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
 +                                          h->picture_structure == PICT_BOTTOM_FIELD);
              }
 +            h->cur_pic_ptr = NULL;
          }
 +    }
  
 -        if (h->current_slice == 0) {
 -            ret = h264_field_start(h, sl, nal);
 -            if (ret < 0)
 -                return ret;
 +    if (!h->current_slice)
 +        av_assert0(sl == h->slice_ctx);
 +
 +    if (h->current_slice == 0 && !h->first_field) {
 +        if (
 +            (h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
 +            (h->avctx->skip_frame >= AVDISCARD_BIDIR  && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
 +            (h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
 +            (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != H264_NAL_IDR_SLICE && h->sei.recovery_point.recovery_frame_cnt < 0) ||
 +            h->avctx->skip_frame >= AVDISCARD_ALL) {
 +            return SLICE_SKIPED;
          }
      }
  
 -    if (h->current_slice > 0) {
 -        if (h->ps.pps != (const PPS*)h->ps.pps_list[sl->pps_id]->data) {
 +    if (!first_slice) {
 +        const PPS *pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
 +
 +        if (h->ps.pps->sps_id != pps->sps_id ||
 +            h->ps.pps->transform_8x8_mode != pps->transform_8x8_mode /*||
 +            (h->setup_finished && h->ps.pps != pps)*/) {
              av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
              return AVERROR_INVALIDDATA;
          }
 +        if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) {
 +            av_log(h->avctx, AV_LOG_ERROR,
 +               "SPS changed in the middle of the frame\n");
 +            return AVERROR_INVALIDDATA;
 +        }
 +    }
  
 +    if (h->current_slice == 0) {
 +        ret = h264_field_start(h, sl, nal, first_slice);
 +        if (ret < 0)
 +            return ret;
 +    } else {
          if (h->picture_structure != sl->picture_structure ||
              h->droppable         != (nal->ref_idc == 0)) {
              av_log(h->avctx, AV_LOG_ERROR,
          }
      }
  
 -    assert(h->mb_num == h->mb_width * h->mb_height);
 +    av_assert1(h->mb_num == h->mb_width * h->mb_height);
      if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
          sl->first_mb_addr >= h->mb_num) {
          av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
                                   FIELD_OR_MBAFF_PICTURE(h);
      if (h->picture_structure == PICT_BOTTOM_FIELD)
          sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
 -    assert(sl->mb_y < h->mb_height);
 +    av_assert1(sl->mb_y < h->mb_height);
  
      ret = ff_h264_build_ref_list(h, sl);
      if (ret < 0)
  
      if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
          (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
 +         h->nal_unit_type != H264_NAL_IDR_SLICE) ||
 +        (h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
           sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
          (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR  &&
           sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
           nal->ref_idc == 0))
          sl->deblocking_filter = 0;
  
 -    if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
 +    if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
          if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
              /* Cheat slightly for speed:
               * Do not bother to deblock across slices. */
                     6 * (h->ps.sps->bit_depth_luma - 8);
  
      sl->slice_num       = ++h->current_slice;
 -    if (sl->slice_num >= MAX_SLICES) {
 -        av_log(h->avctx, AV_LOG_ERROR,
 -               "Too many slices, increase MAX_SLICES and recompile\n");
 +
 +    if (sl->slice_num)
 +        h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
 +    if (   h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
 +        && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
 +        && sl->slice_num >= MAX_SLICES) {
 +        //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
 +        av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", sl->slice_num, MAX_SLICES);
      }
  
      for (j = 0; j < 2; j++) {
@@@ -1987,7 -1750,7 +1987,7 @@@ static av_always_inline void fill_filte
          if (USES_LIST(top_type, list)) {
              const int b_xy  = h->mb2b_xy[top_xy] + 3 * b_stride;
              const int b8_xy = 4 * top_xy + 2;
-             const int *ref2frm = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+             const int *ref2frm = &h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
              AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
              ref_cache[0 - 1 * 8] =
              ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
              if (USES_LIST(left_type[LTOP], list)) {
                  const int b_xy  = h->mb2b_xy[left_xy[LTOP]] + 3;
                  const int b8_xy = 4 * left_xy[LTOP] + 1;
-                 const int *ref2frm = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+                 const int *ref2frm = &h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
                  AV_COPY32(mv_dst - 1 +  0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
                  AV_COPY32(mv_dst - 1 +  8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
                  AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
  
      {
          int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
-         const int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+         const int *ref2frm = &h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
          uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
          uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
          AV_WN32A(&ref_cache[0 * 8], ref01);
@@@ -2305,7 -2068,7 +2305,7 @@@ static void decode_finish_row(const H26
  
      ff_h264_draw_horiz_band(h, sl, top, height);
  
 -    if (h->droppable)
 +    if (h->droppable || sl->h264->slice_ctx[0].er.error_occurred)
          return;
  
      ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
@@@ -2316,14 -2079,15 +2316,14 @@@ static void er_add_slice(H264SliceConte
                           int startx, int starty,
                           int endx, int endy, int status)
  {
 -#if CONFIG_ERROR_RESILIENCE
 -    ERContext *er = &sl->er;
 -
      if (!sl->h264->enable_er)
          return;
  
 -    er->ref_count = sl->ref_count[0];
 -    ff_er_add_slice(er, startx, starty, endx, endy, status);
 -#endif
 +    if (CONFIG_ERROR_RESILIENCE) {
 +        ERContext *er = &sl->h264->slice_ctx[0].er;
 +
 +        ff_er_add_slice(er, startx, starty, endx, endy, status);
 +    }
  }
  
  static int decode_slice(struct AVCodecContext *avctx, void *arg)
  
      sl->mb_skip_run = -1;
  
 +    av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * sl->linesize * ((scan8[15] - scan8[0]) >> 3));
 +
      if (h->postpone_filter)
          sl->deblocking_filter = 0;
  
      sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
                       (CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
  
 +    if (!(h->avctx->active_thread_type & FF_THREAD_SLICE) && h->picture_structure == PICT_FRAME && h->slice_ctx[0].er.error_status_table) {
 +        const int start_i  = av_clip(sl->resync_mb_x + sl->resync_mb_y * h->mb_width, 0, h->mb_num - 1);
 +        if (start_i) {
 +            int prev_status = h->slice_ctx[0].er.error_status_table[h->slice_ctx[0].er.mb_index2xy[start_i - 1]];
 +            prev_status &= ~ VP_START;
 +            if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
 +                h->slice_ctx[0].er.error_occurred = 1;
 +        }
 +    }
 +
      if (h->ps.pps->cabac) {
          /* realign */
          align_get_bits(&sl->gb);
  
          /* init cabac */
 -        ff_init_cabac_decoder(&sl->cabac,
 +        ret = ff_init_cabac_decoder(&sl->cabac,
                                sl->gb.buffer + get_bits_count(&sl->gb) / 8,
                                (get_bits_left(&sl->gb) + 7) / 8);
 +        if (ret < 0)
 +            return ret;
  
          ff_h264_init_cabac_states(h, sl);
  
          for (;;) {
              // START_TIMER
              int ret, eos;
 -
              if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
                  av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
                         sl->next_slice_idx);
 +                er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
 +                             sl->mb_y, ER_MB_ERROR);
                  return AVERROR_INVALIDDATA;
              }
  
                      loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
                  goto finish;
              }
 -            if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
 +            if (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
 +                av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
 +            if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 4) {
                  av_log(h->avctx, AV_LOG_ERROR,
 -                       "error while decoding MB %d %d, bytestream %td\n",
 +                       "error while decoding MB %d %d, bytestream %"PTRDIFF_SPECIFIER"\n",
                         sl->mb_x, sl->mb_y,
                         sl->cabac.bytestream_end - sl->cabac.bytestream);
                  er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
              if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
                  av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
                         sl->next_slice_idx);
 +                er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
 +                             sl->mb_y, ER_MB_ERROR);
                  return AVERROR_INVALIDDATA;
              }
  
                      ff_tlog(h->avctx, "slice end %d %d\n",
                              get_bits_count(&sl->gb), sl->gb.size_in_bits);
  
 -                    if (get_bits_left(&sl->gb) == 0) {
 +                    if (   get_bits_left(&sl->gb) == 0
 +                        || get_bits_left(&sl->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
                          er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
                                       sl->mb_x - 1, sl->mb_y, ER_MB_END);
  
                          goto finish;
                      } else {
                          er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
 -                                     sl->mb_x - 1, sl->mb_y, ER_MB_END);
 +                                     sl->mb_x, sl->mb_y, ER_MB_END);
  
                          return AVERROR_INVALIDDATA;
                      }
@@@ -2547,15 -2291,7 +2547,15 @@@ int ff_h264_execute_decode_slices(H264C
      H264SliceContext *sl;
      int i, j;
  
 -    if (h->avctx->hwaccel)
 +    av_assert0(context_count && h->slice_ctx[context_count - 1].mb_y < h->mb_height);
 +
 +    h->slice_ctx[0].next_slice_idx = INT_MAX;
 +
 +    if (h->avctx->hwaccel
 +#if FF_API_CAP_VDPAU
 +        || h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU
 +#endif
 +        )
          return 0;
      if (context_count == 1) {
          int ret;
          h->mb_y = h->slice_ctx[0].mb_y;
          return ret;
      } else {
 +        av_assert0(context_count > 0);
          for (i = 0; i < context_count; i++) {
              int next_slice_idx = h->mb_width * h->mb_height;
              int slice_idx;
  
              sl                 = &h->slice_ctx[i];
 -            sl->er.error_count = 0;
 +            if (CONFIG_ERROR_RESILIENCE) {
 +                sl->er.error_count = 0;
 +            }
  
              /* make sure none of those slices overlap */
              slice_idx = sl->mb_y * h->mb_width + sl->mb_x;
          /* pull back stuff from slices to master context */
          sl                   = &h->slice_ctx[context_count - 1];
          h->mb_y              = sl->mb_y;
 -        for (i = 1; i < context_count; i++)
 -            h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
 +        if (CONFIG_ERROR_RESILIENCE) {
 +            for (i = 1; i < context_count; i++)
 +                h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
 +        }
  
          if (h->postpone_filter) {
              h->postpone_filter = 0;