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Unified Diff: content/common/gpu/media/vp8_decoder.h

Issue 1882373004: Migrate content/common/gpu/media code to media/gpu (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix several more bot-identified build issues Created 4 years, 8 months ago
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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_

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