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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 CONTENT_COMMON_GPU_MEDIA_VP8_DECODER_H_ | 5 #ifndef MEDIA_GPU_VP8_DECODER_H_ |
| 6 #define CONTENT_COMMON_GPU_MEDIA_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 |
| 11 #include <memory> | 11 #include <memory> |
| 12 | 12 |
| 13 #include "base/macros.h" | 13 #include "base/macros.h" |
| 14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
| 15 #include "content/common/gpu/media/accelerated_video_decoder.h" | |
| 16 #include "content/common/gpu/media/vp8_picture.h" | |
| 17 #include "media/filters/vp8_parser.h" | 15 #include "media/filters/vp8_parser.h" |
| 16 #include "media/gpu/accelerated_video_decoder.h" |
| 17 #include "media/gpu/vp8_picture.h" |
| 18 | 18 |
| 19 namespace content { | 19 namespace media { |
| 20 | 20 |
| 21 // Clients of this class are expected to pass raw VP8 stream and are expected | 21 // Clients of this class are expected to pass raw VP8 stream and are expected |
| 22 // to provide an implementation of VP8Accelerator for offloading final steps | 22 // to provide an implementation of VP8Accelerator for offloading final steps |
| 23 // of the decoding process. | 23 // of the decoding process. |
| 24 // | 24 // |
| 25 // This class must be created, called and destroyed on a single thread, and | 25 // This class must be created, called and destroyed on a single thread, and |
| 26 // does nothing internally on any other thread. | 26 // does nothing internally on any other thread. |
| 27 class CONTENT_EXPORT VP8Decoder : public AcceleratedVideoDecoder { | 27 class MEDIA_GPU_EXPORT VP8Decoder : public AcceleratedVideoDecoder { |
| 28 public: | 28 public: |
| 29 class CONTENT_EXPORT VP8Accelerator { | 29 class MEDIA_GPU_EXPORT VP8Accelerator { |
| 30 public: | 30 public: |
| 31 VP8Accelerator(); | 31 VP8Accelerator(); |
| 32 virtual ~VP8Accelerator(); | 32 virtual ~VP8Accelerator(); |
| 33 | 33 |
| 34 // Create a new VP8Picture that the decoder client can use for decoding | 34 // Create a new VP8Picture that the decoder client can use for decoding |
| 35 // and pass back to this accelerator for decoding or reference. | 35 // and pass back to this accelerator for decoding or reference. |
| 36 // When the picture is no longer needed by decoder, it will just drop | 36 // When the picture is no longer needed by decoder, it will just drop |
| 37 // its reference to it, and it may do so at any time. | 37 // its reference to it, and it may do so at any time. |
| 38 // Note that this may return nullptr if accelerator is not able to provide | 38 // Note that this may return nullptr if accelerator is not able to provide |
| 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 |
| (...skipping 19 matching lines...) Expand all Loading... |
| 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 // content::AcceleratedVideoDecoder implementation. | 69 // media::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(); |
| (...skipping 20 matching lines...) Expand all Loading... |
| 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 content | 110 } // namespace media |
| 111 | 111 |
| 112 #endif // CONTENT_COMMON_GPU_MEDIA_VP8_DECODER_H_ | 112 #endif // MEDIA_GPU_VP8_DECODER_H_ |
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