Пример #1
0
static void DoFilter(const VP8Decoder* const dec, int mb_x, int mb_y) {
  const VP8ThreadContext* const ctx = &dec->thread_ctx_;
  const int cache_id = ctx->id_;
  const int y_bps = dec->cache_y_stride_;
  const VP8FInfo* const f_info = ctx->f_info_ + mb_x;
  uint8_t* const y_dst = dec->cache_y_ + cache_id * 16 * y_bps + mb_x * 16;
  const int ilevel = f_info->f_ilevel_;
  const int limit = f_info->f_limit_;
  if (limit == 0) {
    return;
  }
  assert(limit >= 3);
  if (dec->filter_type_ == 1) {   // simple
    if (mb_x > 0) {
      VP8SimpleHFilter16(y_dst, y_bps, limit + 4);
    }
    if (f_info->f_inner_) {
      VP8SimpleHFilter16i(y_dst, y_bps, limit);
    }
    if (mb_y > 0) {
      VP8SimpleVFilter16(y_dst, y_bps, limit + 4);
    }
    if (f_info->f_inner_) {
      VP8SimpleVFilter16i(y_dst, y_bps, limit);
    }
  } else {    // complex
    const int uv_bps = dec->cache_uv_stride_;
    uint8_t* const u_dst = dec->cache_u_ + cache_id * 8 * uv_bps + mb_x * 8;
    uint8_t* const v_dst = dec->cache_v_ + cache_id * 8 * uv_bps + mb_x * 8;
    const int hev_thresh = f_info->hev_thresh_;
    if (mb_x > 0) {
      VP8HFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh);
      VP8HFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh);
    }
    if (f_info->f_inner_) {
      VP8HFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh);
      VP8HFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh);
    }
    if (mb_y > 0) {
      VP8VFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh);
      VP8VFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh);
    }
    if (f_info->f_inner_) {
      VP8VFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh);
      VP8VFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh);
    }
  }
}
Пример #2
0
static void DoFilter(const VP8Decoder* const dec, int mb_x, int mb_y) {
  const VP8ThreadContext* const ctx = &dec->thread_ctx_;
  const int y_bps = dec->cache_y_stride_;
  VP8FInfo* const f_info = ctx->f_info_ + mb_x;
  uint8_t* const y_dst = dec->cache_y_ + ctx->id_ * 16 * y_bps + mb_x * 16;
  const int level = f_info->f_level_;
  const int ilevel = f_info->f_ilevel_;
  const int limit = 2 * level + ilevel;
  if (level == 0) {
    return;
  }
  if (dec->filter_type_ == 1) {   
    if (mb_x > 0) {
      VP8SimpleHFilter16(y_dst, y_bps, limit + 4);
    }
    if (f_info->f_inner_) {
      VP8SimpleHFilter16i(y_dst, y_bps, limit);
    }
    if (mb_y > 0) {
      VP8SimpleVFilter16(y_dst, y_bps, limit + 4);
    }
    if (f_info->f_inner_) {
      VP8SimpleVFilter16i(y_dst, y_bps, limit);
    }
  } else {    
    const int uv_bps = dec->cache_uv_stride_;
    uint8_t* const u_dst = dec->cache_u_ + ctx->id_ * 8 * uv_bps + mb_x * 8;
    uint8_t* const v_dst = dec->cache_v_ + ctx->id_ * 8 * uv_bps + mb_x * 8;
    const int hev_thresh =
        hev_thresh_from_level(level, dec->frm_hdr_.key_frame_);
    if (mb_x > 0) {
      VP8HFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh);
      VP8HFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh);
    }
    if (f_info->f_inner_) {
      VP8HFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh);
      VP8HFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh);
    }
    if (mb_y > 0) {
      VP8VFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh);
      VP8VFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh);
    }
    if (f_info->f_inner_) {
      VP8VFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh);
      VP8VFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh);
    }
  }
}
Пример #3
0
Файл: frame.c Проект: yne/js-psp
static void DoFilter(VP8Decoder* const dec, int mb_x, int mb_y) {
  VP8MB* const mb = dec->mb_info_ + mb_x;
  uint8_t* const y_dst = dec->cache_y_ + mb_x * 16;
  const int y_bps = dec->cache_y_stride_;
  const int level = mb->f_level_;
  const int ilevel = mb->f_ilevel_;
  const int limit = 2 * level + ilevel;
  if (dec->filter_type_ == 1) {   // simple
    if (mb_x > 0) {
      VP8SimpleHFilter16(y_dst, y_bps, limit + 4);
    }
    if (mb->f_inner_) {
      VP8SimpleHFilter16i(y_dst, y_bps, limit);
    }
    if (mb_y > 0) {
      VP8SimpleVFilter16(y_dst, y_bps, limit + 4);
    }
    if (mb->f_inner_) {
      VP8SimpleVFilter16i(y_dst, y_bps, limit);
    }
  } else {    // complex
    uint8_t* const u_dst = dec->cache_u_ + mb_x * 8;
    uint8_t* const v_dst = dec->cache_v_ + mb_x * 8;
    const int uv_bps = dec->cache_uv_stride_;
    const int hev_thresh =
        hev_thresh_from_level(level, dec->frm_hdr_.key_frame_);
    if (mb_x > 0) {
      VP8HFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh);
      VP8HFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh);
    }
    if (mb->f_inner_) {
      VP8HFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh);
      VP8HFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh);
    }
    if (mb_y > 0) {
      VP8VFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh);
      VP8VFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh);
    }
    if (mb->f_inner_) {
      VP8VFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh);
      VP8VFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh);
    }
  }
}