| Index: content/common/gpu/media/vaapi_h264_dpb.h
|
| diff --git a/content/common/gpu/media/vaapi_h264_dpb.h b/content/common/gpu/media/vaapi_h264_dpb.h
|
| deleted file mode 100644
|
| index aaa56d3aeb9c711a57d0a8e6825c53ff94a64baf..0000000000000000000000000000000000000000
|
| --- a/content/common/gpu/media/vaapi_h264_dpb.h
|
| +++ /dev/null
|
| @@ -1,138 +0,0 @@
|
| -// 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.
|
| -//
|
| -// This file contains an implementation of an H.264 Decoded Picture Buffer
|
| -// used in H264 decoders.
|
| -
|
| -#ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_H264_DPB_H_
|
| -#define CONTENT_COMMON_GPU_MEDIA_VAAPI_H264_DPB_H_
|
| -
|
| -#include <vector>
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "base/memory/scoped_vector.h"
|
| -#include "media/filters/h264_parser.h"
|
| -
|
| -namespace content {
|
| -
|
| -// A picture (a frame or a field) in the H.264 spec sense.
|
| -// See spec at http://www.itu.int/rec/T-REC-H.264
|
| -struct VaapiH264Picture {
|
| - enum Field {
|
| - FIELD_NONE,
|
| - FIELD_TOP,
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| - FIELD_BOTTOM,
|
| - };
|
| -
|
| - // Values calculated per H.264 specification or taken from slice header.
|
| - // See spec for more details on each (some names have been converted from
|
| - // CamelCase in spec to Chromium-style names).
|
| - int top_field_order_cnt;
|
| - int bottom_field_order_cnt;
|
| - int pic_order_cnt;
|
| - int pic_order_cnt_msb;
|
| - int pic_order_cnt_lsb;
|
| -
|
| - int pic_num;
|
| - int long_term_pic_num;
|
| - int frame_num; // from slice header
|
| - int frame_num_offset;
|
| - int frame_num_wrap;
|
| - int long_term_frame_idx;
|
| -
|
| - media::H264SliceHeader::Type type;
|
| - bool idr; // IDR picture?
|
| - bool ref; // reference picture?
|
| - bool long_term; // long term reference picture?
|
| - bool outputted;
|
| - // Does memory management op 5 needs to be executed after this
|
| - // picture has finished decoding?
|
| - bool mem_mgmt_5;
|
| -
|
| - Field field;
|
| -
|
| - // Values from slice_hdr to be used during reference marking and
|
| - // memory management after finishing this picture.
|
| - bool long_term_reference_flag;
|
| - bool adaptive_ref_pic_marking_mode_flag;
|
| - media::H264DecRefPicMarking
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| - ref_pic_marking[media::H264SliceHeader::kRefListSize];
|
| -
|
| - typedef std::vector<VaapiH264Picture*> PtrVector;
|
| -};
|
| -
|
| -// DPB - Decoded Picture Buffer.
|
| -// Stores decoded pictures that will be used for future display
|
| -// and/or reference.
|
| -class VaapiH264DPB {
|
| - public:
|
| - VaapiH264DPB();
|
| - ~VaapiH264DPB();
|
| -
|
| - void set_max_num_pics(size_t max_num_pics);
|
| - size_t max_num_pics() { return max_num_pics_; }
|
| -
|
| - // Remove unused (not reference and already outputted) pictures from DPB
|
| - // and free it.
|
| - void DeleteUnused();
|
| -
|
| - // Remove a picture by its pic_order_cnt and free it.
|
| - void DeleteByPOC(int poc);
|
| -
|
| - // Clear DPB.
|
| - void Clear();
|
| -
|
| - // Store picture in DPB. DPB takes ownership of its resources.
|
| - void StorePic(VaapiH264Picture* pic);
|
| -
|
| - // Return the number of reference pictures in DPB.
|
| - int CountRefPics();
|
| -
|
| - // Mark all pictures in DPB as unused for reference.
|
| - void MarkAllUnusedForRef();
|
| -
|
| - // Return a short-term reference picture by its pic_num.
|
| - VaapiH264Picture* GetShortRefPicByPicNum(int pic_num);
|
| -
|
| - // Return a long-term reference picture by its long_term_pic_num.
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| - VaapiH264Picture* GetLongRefPicByLongTermPicNum(int pic_num);
|
| -
|
| - // Return the short reference picture with lowest frame_num. Used for sliding
|
| - // window memory management.
|
| - VaapiH264Picture* GetLowestFrameNumWrapShortRefPic();
|
| -
|
| - // Append all pictures that have not been outputted yet to the passed |out|
|
| - // vector, sorted by lowest pic_order_cnt (in output order).
|
| - void GetNotOutputtedPicsAppending(VaapiH264Picture::PtrVector& out);
|
| -
|
| - // Append all short term reference pictures to the passed |out| vector.
|
| - void GetShortTermRefPicsAppending(VaapiH264Picture::PtrVector& out);
|
| -
|
| - // Append all long term reference pictures to the passed |out| vector.
|
| - void GetLongTermRefPicsAppending(VaapiH264Picture::PtrVector& out);
|
| -
|
| - // Iterators for direct access to DPB contents.
|
| - // Will be invalidated after any of Remove* calls.
|
| - typedef ScopedVector<VaapiH264Picture> Pictures;
|
| - Pictures::iterator begin() { return pics_.begin(); }
|
| - Pictures::iterator end() { return pics_.end(); }
|
| - Pictures::reverse_iterator rbegin() { return pics_.rbegin(); }
|
| - Pictures::reverse_iterator rend() { return pics_.rend(); }
|
| -
|
| - size_t size() const { return pics_.size(); }
|
| - bool IsFull() const { return pics_.size() == max_num_pics_; }
|
| -
|
| - // Per H264 spec, increase to 32 if interlaced video is supported.
|
| - enum { kDPBMaxSize = 16, };
|
| -
|
| - private:
|
| - Pictures pics_;
|
| - size_t max_num_pics_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(VaapiH264DPB);
|
| -};
|
| -
|
| -} // namespace content
|
| -
|
| -#endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_H264_DPB_H_
|
|
|