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, |
- 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 |
- 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. |
- 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_ |