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Side by Side Diff: media/gpu/vp8_decoder.h

Issue 2061823003: media: Drop "media::" in media/gpu (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: work around clang format by adding an empty line Created 4 years, 6 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_GPU_VP8_DECODER_H_ 5 #ifndef MEDIA_GPU_VP8_DECODER_H_
6 #define MEDIA_GPU_VP8_DECODER_H_ 6 #define MEDIA_GPU_VP8_DECODER_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
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39 // any new pictures at given time. The decoder is expected to handle 39 // any new pictures at given time. The decoder is expected to handle
40 // this situation as normal and return from Decode() with kRanOutOfSurfaces. 40 // this situation as normal and return from Decode() with kRanOutOfSurfaces.
41 virtual scoped_refptr<VP8Picture> CreateVP8Picture() = 0; 41 virtual scoped_refptr<VP8Picture> CreateVP8Picture() = 0;
42 42
43 // Submit decode for |pic|, taking as arguments |frame_hdr| with parsed 43 // Submit decode for |pic|, taking as arguments |frame_hdr| with parsed
44 // VP8 frame header information for current frame, and using |last_frame|, 44 // VP8 frame header information for current frame, and using |last_frame|,
45 // |golden_frame| and |alt_frame| as references, as per VP8 specification. 45 // |golden_frame| and |alt_frame| as references, as per VP8 specification.
46 // Note that this runs the decode in hardware. 46 // Note that this runs the decode in hardware.
47 // Return true if successful. 47 // Return true if successful.
48 virtual bool SubmitDecode(const scoped_refptr<VP8Picture>& pic, 48 virtual bool SubmitDecode(const scoped_refptr<VP8Picture>& pic,
49 const media::Vp8FrameHeader* frame_hdr, 49 const Vp8FrameHeader* frame_hdr,
50 const scoped_refptr<VP8Picture>& last_frame, 50 const scoped_refptr<VP8Picture>& last_frame,
51 const scoped_refptr<VP8Picture>& golden_frame, 51 const scoped_refptr<VP8Picture>& golden_frame,
52 const scoped_refptr<VP8Picture>& alt_frame) = 0; 52 const scoped_refptr<VP8Picture>& alt_frame) = 0;
53 53
54 // Schedule output (display) of |pic|. Note that returning from this 54 // Schedule output (display) of |pic|. Note that returning from this
55 // method does not mean that |pic| has already been outputted (displayed), 55 // method does not mean that |pic| has already been outputted (displayed),
56 // but guarantees that all pictures will be outputted in the same order 56 // but guarantees that all pictures will be outputted in the same order
57 // as this method was called for them. Decoder may drop its reference 57 // as this method was called for them. Decoder may drop its reference
58 // to |pic| after calling this method. 58 // to |pic| after calling this method.
59 // Return true if successful. 59 // Return true if successful.
60 virtual bool OutputPicture(const scoped_refptr<VP8Picture>& pic) = 0; 60 virtual bool OutputPicture(const scoped_refptr<VP8Picture>& pic) = 0;
61 61
62 private: 62 private:
63 DISALLOW_COPY_AND_ASSIGN(VP8Accelerator); 63 DISALLOW_COPY_AND_ASSIGN(VP8Accelerator);
64 }; 64 };
65 65
66 VP8Decoder(VP8Accelerator* accelerator); 66 VP8Decoder(VP8Accelerator* accelerator);
67 ~VP8Decoder() override; 67 ~VP8Decoder() override;
68 68
69 // media::AcceleratedVideoDecoder implementation. 69 // AcceleratedVideoDecoder implementation.
70 bool Flush() override WARN_UNUSED_RESULT; 70 bool Flush() override WARN_UNUSED_RESULT;
71 void Reset() override; 71 void Reset() override;
72 void SetStream(const uint8_t* ptr, size_t size) override; 72 void SetStream(const uint8_t* ptr, size_t size) override;
73 DecodeResult Decode() override WARN_UNUSED_RESULT; 73 DecodeResult Decode() override WARN_UNUSED_RESULT;
74 gfx::Size GetPicSize() const override; 74 gfx::Size GetPicSize() const override;
75 size_t GetRequiredNumOfPictures() const override; 75 size_t GetRequiredNumOfPictures() const override;
76 76
77 private: 77 private:
78 bool DecodeAndOutputCurrentFrame(); 78 bool DecodeAndOutputCurrentFrame();
79 void RefreshReferenceFrames(); 79 void RefreshReferenceFrames();
80 80
81 enum State { 81 enum State {
82 kNeedStreamMetadata, // After initialization, need a keyframe. 82 kNeedStreamMetadata, // After initialization, need a keyframe.
83 kDecoding, // Ready to decode from any point. 83 kDecoding, // Ready to decode from any point.
84 kAfterReset, // After Reset(), need a resume point. 84 kAfterReset, // After Reset(), need a resume point.
85 kError, // Error in decode, can't continue. 85 kError, // Error in decode, can't continue.
86 }; 86 };
87 87
88 State state_; 88 State state_;
89 89
90 media::Vp8Parser parser_; 90 Vp8Parser parser_;
91 91
92 std::unique_ptr<media::Vp8FrameHeader> curr_frame_hdr_; 92 std::unique_ptr<Vp8FrameHeader> curr_frame_hdr_;
93 scoped_refptr<VP8Picture> curr_pic_; 93 scoped_refptr<VP8Picture> curr_pic_;
94 scoped_refptr<VP8Picture> last_frame_; 94 scoped_refptr<VP8Picture> last_frame_;
95 scoped_refptr<VP8Picture> golden_frame_; 95 scoped_refptr<VP8Picture> golden_frame_;
96 scoped_refptr<VP8Picture> alt_frame_; 96 scoped_refptr<VP8Picture> alt_frame_;
97 97
98 const uint8_t* curr_frame_start_; 98 const uint8_t* curr_frame_start_;
99 size_t frame_size_; 99 size_t frame_size_;
100 100
101 gfx::Size pic_size_; 101 gfx::Size pic_size_;
102 int horizontal_scale_; 102 int horizontal_scale_;
103 int vertical_scale_; 103 int vertical_scale_;
104 104
105 VP8Accelerator* accelerator_; 105 VP8Accelerator* accelerator_;
106 106
107 DISALLOW_COPY_AND_ASSIGN(VP8Decoder); 107 DISALLOW_COPY_AND_ASSIGN(VP8Decoder);
108 }; 108 };
109 109
110 } // namespace media 110 } // namespace media
111 111
112 #endif // MEDIA_GPU_VP8_DECODER_H_ 112 #endif // MEDIA_GPU_VP8_DECODER_H_
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