Index: content/common/gpu/media/vp8_decoder.h |
diff --git a/content/common/gpu/media/vp8_decoder.h b/content/common/gpu/media/vp8_decoder.h |
deleted file mode 100644 |
index 50b3d1c47fc70e25d1df457f25626bb02754175e..0000000000000000000000000000000000000000 |
--- a/content/common/gpu/media/vp8_decoder.h |
+++ /dev/null |
@@ -1,112 +0,0 @@ |
-// Copyright 2015 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. |
- |
-#ifndef CONTENT_COMMON_GPU_MEDIA_VP8_DECODER_H_ |
-#define CONTENT_COMMON_GPU_MEDIA_VP8_DECODER_H_ |
- |
-#include <stddef.h> |
-#include <stdint.h> |
- |
-#include <memory> |
- |
-#include "base/macros.h" |
-#include "base/memory/ref_counted.h" |
-#include "content/common/gpu/media/accelerated_video_decoder.h" |
-#include "content/common/gpu/media/vp8_picture.h" |
-#include "media/filters/vp8_parser.h" |
- |
-namespace content { |
- |
-// Clients of this class are expected to pass raw VP8 stream and are expected |
-// to provide an implementation of VP8Accelerator for offloading final steps |
-// of the decoding process. |
-// |
-// This class must be created, called and destroyed on a single thread, and |
-// does nothing internally on any other thread. |
-class CONTENT_EXPORT VP8Decoder : public AcceleratedVideoDecoder { |
- public: |
- class CONTENT_EXPORT VP8Accelerator { |
- public: |
- VP8Accelerator(); |
- virtual ~VP8Accelerator(); |
- |
- // Create a new VP8Picture that the decoder client can use for decoding |
- // and pass back to this accelerator for decoding or reference. |
- // When the picture is no longer needed by decoder, it will just drop |
- // its reference to it, and it may do so at any time. |
- // Note that this may return nullptr if accelerator is not able to provide |
- // any new pictures at given time. The decoder is expected to handle |
- // this situation as normal and return from Decode() with kRanOutOfSurfaces. |
- virtual scoped_refptr<VP8Picture> CreateVP8Picture() = 0; |
- |
- // Submit decode for |pic|, taking as arguments |frame_hdr| with parsed |
- // VP8 frame header information for current frame, and using |last_frame|, |
- // |golden_frame| and |alt_frame| as references, as per VP8 specification. |
- // Note that this runs the decode in hardware. |
- // Return true if successful. |
- virtual bool SubmitDecode(const scoped_refptr<VP8Picture>& pic, |
- const media::Vp8FrameHeader* frame_hdr, |
- const scoped_refptr<VP8Picture>& last_frame, |
- const scoped_refptr<VP8Picture>& golden_frame, |
- const scoped_refptr<VP8Picture>& alt_frame) = 0; |
- |
- // Schedule output (display) of |pic|. Note that returning from this |
- // method does not mean that |pic| has already been outputted (displayed), |
- // but guarantees that all pictures will be outputted in the same order |
- // as this method was called for them. Decoder may drop its reference |
- // to |pic| after calling this method. |
- // Return true if successful. |
- virtual bool OutputPicture(const scoped_refptr<VP8Picture>& pic) = 0; |
- |
- private: |
- DISALLOW_COPY_AND_ASSIGN(VP8Accelerator); |
- }; |
- |
- VP8Decoder(VP8Accelerator* accelerator); |
- ~VP8Decoder() override; |
- |
- // content::AcceleratedVideoDecoder implementation. |
- bool Flush() override WARN_UNUSED_RESULT; |
- void Reset() override; |
- void SetStream(const uint8_t* ptr, size_t size) override; |
- DecodeResult Decode() override WARN_UNUSED_RESULT; |
- gfx::Size GetPicSize() const override; |
- size_t GetRequiredNumOfPictures() const override; |
- |
- private: |
- bool DecodeAndOutputCurrentFrame(); |
- void RefreshReferenceFrames(); |
- |
- enum State { |
- kNeedStreamMetadata, // After initialization, need a keyframe. |
- kDecoding, // Ready to decode from any point. |
- kAfterReset, // After Reset(), need a resume point. |
- kError, // Error in decode, can't continue. |
- }; |
- |
- State state_; |
- |
- media::Vp8Parser parser_; |
- |
- std::unique_ptr<media::Vp8FrameHeader> curr_frame_hdr_; |
- scoped_refptr<VP8Picture> curr_pic_; |
- scoped_refptr<VP8Picture> last_frame_; |
- scoped_refptr<VP8Picture> golden_frame_; |
- scoped_refptr<VP8Picture> alt_frame_; |
- |
- const uint8_t* curr_frame_start_; |
- size_t frame_size_; |
- |
- gfx::Size pic_size_; |
- int horizontal_scale_; |
- int vertical_scale_; |
- |
- VP8Accelerator* accelerator_; |
- |
- DISALLOW_COPY_AND_ASSIGN(VP8Decoder); |
-}; |
- |
-} // namespace content |
- |
-#endif // CONTENT_COMMON_GPU_MEDIA_VP8_DECODER_H_ |