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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_ | 5 #ifndef MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_ |
| 6 #define MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_ | 6 #define MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
| 12 #include "gpu/config/gpu_info.h" |
| 12 #include "media/base/bitstream_buffer.h" | 13 #include "media/base/bitstream_buffer.h" |
| 13 #include "media/base/media_export.h" | 14 #include "media/base/media_export.h" |
| 14 #include "media/base/video_decoder_config.h" | 15 #include "media/base/video_decoder_config.h" |
| 15 #include "media/base/video_frame.h" | 16 #include "media/base/video_frame.h" |
| 16 | 17 |
| 17 namespace media { | 18 namespace media { |
| 18 | 19 |
| 19 class BitstreamBuffer; | 20 class BitstreamBuffer; |
| 20 class VideoFrame; | 21 class VideoFrame; |
| 21 | 22 |
| 22 // Video encoder interface. | 23 // Video encoder interface. |
| 23 class MEDIA_EXPORT VideoEncodeAccelerator { | 24 class MEDIA_EXPORT VideoEncodeAccelerator { |
| 24 public: | 25 public: |
| 25 // Specification of an encoding profile supported by an encoder. | |
| 26 struct SupportedProfile { | |
| 27 VideoCodecProfile profile; | |
| 28 gfx::Size max_resolution; | |
| 29 uint32 max_framerate_numerator; | |
| 30 uint32 max_framerate_denominator; | |
| 31 }; | |
| 32 | |
| 33 // Enumeration of potential errors generated by the API. | 26 // Enumeration of potential errors generated by the API. |
| 34 enum Error { | 27 enum Error { |
| 35 // An operation was attempted during an incompatible encoder state. | 28 // An operation was attempted during an incompatible encoder state. |
| 36 kIllegalStateError, | 29 kIllegalStateError, |
| 37 // Invalid argument was passed to an API method. | 30 // Invalid argument was passed to an API method. |
| 38 kInvalidArgumentError, | 31 kInvalidArgumentError, |
| 39 // A failure occurred at the GPU process or one of its dependencies. | 32 // A failure occurred at the GPU process or one of its dependencies. |
| 40 // Examples of such failures include GPU hardware failures, GPU driver | 33 // Examples of such failures include GPU hardware failures, GPU driver |
| 41 // failures, GPU library failures, GPU process programming errors, and so | 34 // failures, GPU library failures, GPU process programming errors, and so |
| 42 // on. | 35 // on. |
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| 85 protected: | 78 protected: |
| 86 // Clients are not owned by VEA instances and should not be deleted through | 79 // Clients are not owned by VEA instances and should not be deleted through |
| 87 // these pointers. | 80 // these pointers. |
| 88 virtual ~Client() {} | 81 virtual ~Client() {} |
| 89 }; | 82 }; |
| 90 | 83 |
| 91 // Video encoder functions. | 84 // Video encoder functions. |
| 92 | 85 |
| 93 // Returns a list of the supported codec profiles of the video encoder. This | 86 // Returns a list of the supported codec profiles of the video encoder. This |
| 94 // can be called before Initialize(). | 87 // can be called before Initialize(). |
| 95 virtual std::vector<SupportedProfile> GetSupportedProfiles() = 0; | 88 virtual std::vector<gpu::VideoEncodeAcceleratorSupportedProfile> |
| 89 GetSupportedProfiles() = 0; |
| 96 | 90 |
| 97 // Initializes the video encoder with specific configuration. Called once per | 91 // Initializes the video encoder with specific configuration. Called once per |
| 98 // encoder construction. This call is synchronous and returns true iff | 92 // encoder construction. This call is synchronous and returns true iff |
| 99 // initialization is successful. | 93 // initialization is successful. |
| 100 // Parameters: | 94 // Parameters: |
| 101 // |input_format| is the frame format of the input stream (as would be | 95 // |input_format| is the frame format of the input stream (as would be |
| 102 // reported by VideoFrame::format() for frames passed to Encode()). | 96 // reported by VideoFrame::format() for frames passed to Encode()). |
| 103 // |input_visible_size| is the resolution of the input stream (as would be | 97 // |input_visible_size| is the resolution of the input stream (as would be |
| 104 // reported by VideoFrame::visible_rect().size() for frames passed to | 98 // reported by VideoFrame::visible_rect().size() for frames passed to |
| 105 // Encode()). | 99 // Encode()). |
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| 161 // uses "Destroy()" instead of trying to use the destructor. | 155 // uses "Destroy()" instead of trying to use the destructor. |
| 162 template <> | 156 template <> |
| 163 struct MEDIA_EXPORT DefaultDeleter<media::VideoEncodeAccelerator> { | 157 struct MEDIA_EXPORT DefaultDeleter<media::VideoEncodeAccelerator> { |
| 164 public: | 158 public: |
| 165 void operator()(void* video_encode_accelerator) const; | 159 void operator()(void* video_encode_accelerator) const; |
| 166 }; | 160 }; |
| 167 | 161 |
| 168 } // namespace base | 162 } // namespace base |
| 169 | 163 |
| 170 #endif // MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_ | 164 #endif // MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_ |
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