Migrate content/common/gpu/media code to media/gpu

content/common/gpu/media/h264_dpb.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <string.h>
-
-#include <algorithm>
-
-#include "base/logging.h"
-#include "base/stl_util.h"
-#include "content/common/gpu/media/h264_dpb.h"
-
-namespace content {
-
-H264Picture::H264Picture()
-    : pic_order_cnt_type(0),
-      top_field_order_cnt(0),
-      bottom_field_order_cnt(0),
-      pic_order_cnt(0),
-      pic_order_cnt_msb(0),
-      pic_order_cnt_lsb(0),
-      delta_pic_order_cnt_bottom(0),
-      delta_pic_order_cnt0(0),
-      delta_pic_order_cnt1(0),
-      pic_num(0),
-      long_term_pic_num(0),
-      frame_num(0),
-      frame_num_offset(0),
-      frame_num_wrap(0),
-      long_term_frame_idx(0),
-      type(media::H264SliceHeader::kPSlice),
-      nal_ref_idc(0),
-      idr(false),
-      idr_pic_id(0),
-      ref(false),
-      long_term(false),
-      outputted(false),
-      mem_mgmt_5(false),
-      nonexisting(false),
-      field(FIELD_NONE),
-      long_term_reference_flag(false),
-      adaptive_ref_pic_marking_mode_flag(false),
-      dpb_position(0) {
-  memset(&ref_pic_marking, 0, sizeof(ref_pic_marking));
-}
-
-H264Picture::~H264Picture() {
-}
-
-V4L2H264Picture* H264Picture::AsV4L2H264Picture() {
-  return nullptr;
-}
-
-VaapiH264Picture* H264Picture::AsVaapiH264Picture() {
-  return nullptr;
-}
-
-H264DPB::H264DPB() : max_num_pics_(0) {}
-H264DPB::~H264DPB() {}
-
-void H264DPB::Clear() {
-  pics_.clear();
-}
-
-void H264DPB::set_max_num_pics(size_t max_num_pics) {
-  DCHECK_LE(max_num_pics, kDPBMaxSize);
-  max_num_pics_ = max_num_pics;
-  if (pics_.size() > max_num_pics_)
-    pics_.resize(max_num_pics_);
-}
-
-void H264DPB::UpdatePicPositions() {
-  size_t i = 0;
-  for (auto& pic : pics_) {
-    pic->dpb_position = i;
-    ++i;
-  }
-}
-
-void H264DPB::DeleteByPOC(int poc) {
-  for (H264Picture::Vector::iterator it = pics_.begin();
-       it != pics_.end(); ++it) {
-    if ((*it)->pic_order_cnt == poc) {
-      pics_.erase(it);
-      UpdatePicPositions();
-      return;
-    }
-  }
-  NOTREACHED() << "Missing POC: " << poc;
-}
-
-void H264DPB::DeleteUnused() {
-  for (H264Picture::Vector::iterator it = pics_.begin(); it != pics_.end(); ) {
-    if ((*it)->outputted && !(*it)->ref)
-      it = pics_.erase(it);
-    else
-      ++it;
-  }
-  UpdatePicPositions();
-}
-
-void H264DPB::StorePic(const scoped_refptr<H264Picture>& pic) {
-  DCHECK_LT(pics_.size(), max_num_pics_);
-  DVLOG(3) << "Adding PicNum: " << pic->pic_num << " ref: " << (int)pic->ref
-           << " longterm: " << (int)pic->long_term << " to DPB";
-  pic->dpb_position = pics_.size();
-  pics_.push_back(pic);
-}
-
-int H264DPB::CountRefPics() {
-  int ret = 0;
-  for (size_t i = 0; i < pics_.size(); ++i) {
-    if (pics_[i]->ref)
-      ++ret;
-  }
-  return ret;
-}
-
-void H264DPB::MarkAllUnusedForRef() {
-  for (size_t i = 0; i < pics_.size(); ++i)
-    pics_[i]->ref = false;
-}
-
-scoped_refptr<H264Picture> H264DPB::GetShortRefPicByPicNum(int pic_num) {
-  for (const auto& pic : pics_) {
-    if (pic->ref && !pic->long_term && pic->pic_num == pic_num)
-      return pic;
-  }
-
-  DVLOG(1) << "Missing short ref pic num: " << pic_num;
-  return nullptr;
-}
-
-scoped_refptr<H264Picture> H264DPB::GetLongRefPicByLongTermPicNum(int pic_num) {
-  for (const auto& pic : pics_) {
-    if (pic->ref && pic->long_term && pic->long_term_pic_num == pic_num)
-      return pic;
-  }
-
-  DVLOG(1) << "Missing long term pic num: " << pic_num;
-  return nullptr;
-}
-
-scoped_refptr<H264Picture> H264DPB::GetLowestFrameNumWrapShortRefPic() {
-  scoped_refptr<H264Picture> ret;
-  for (const auto& pic : pics_) {
-    if (pic->ref && !pic->long_term &&
-        (!ret || pic->frame_num_wrap < ret->frame_num_wrap))
-      ret = pic;
-  }
-  return ret;
-}
-
-void H264DPB::GetNotOutputtedPicsAppending(H264Picture::Vector* out) {
-  for (const auto& pic : pics_) {
-    if (!pic->outputted)
-      out->push_back(pic);
-  }
-}
-
-void H264DPB::GetShortTermRefPicsAppending(H264Picture::Vector* out) {
-  for (const auto& pic : pics_) {
-    if (pic->ref && !pic->long_term)
-      out->push_back(pic);
-  }
-}
-
-void H264DPB::GetLongTermRefPicsAppending(H264Picture::Vector* out) {
-  for (const auto& pic : pics_) {
-    if (pic->ref && pic->long_term)
-      out->push_back(pic);
-  }
-}
-
-}  // namespace content