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Side by Side Diff: content/common/gpu/media/vaapi_video_decode_accelerator.h

Issue 10836098: Revert 150007 - Only dlopen() OMX/VAAPI libs in the GPU process, and only lazily dlsym() their symb… (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 4 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 // This file contains an implementation of VideoDecoderAccelerator 5 // This file contains an implementation of VideoDecoderAccelerator
6 // that utilizes hardware video decoder present on Intel CPUs. 6 // that utilizes hardware video decoder present on Intel CPUs.
7 7
8 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ 8 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
9 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ 9 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
10 10
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49 // media::VideoDecodeAccelerator implementation. 49 // media::VideoDecodeAccelerator implementation.
50 virtual bool Initialize(media::VideoCodecProfile profile) OVERRIDE; 50 virtual bool Initialize(media::VideoCodecProfile profile) OVERRIDE;
51 virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE; 51 virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE;
52 virtual void AssignPictureBuffers( 52 virtual void AssignPictureBuffers(
53 const std::vector<media::PictureBuffer>& buffers) OVERRIDE; 53 const std::vector<media::PictureBuffer>& buffers) OVERRIDE;
54 virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE; 54 virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE;
55 virtual void Flush() OVERRIDE; 55 virtual void Flush() OVERRIDE;
56 virtual void Reset() OVERRIDE; 56 virtual void Reset() OVERRIDE;
57 virtual void Destroy() OVERRIDE; 57 virtual void Destroy() OVERRIDE;
58 58
59 // Do any necessary initialization before the sandbox is enabled. 59 private:
60 static void PreSandboxInitialization();
61
62 private:
63 // Ensure data has been synced with the output texture and notify 60 // Ensure data has been synced with the output texture and notify
64 // the client it is ready for displaying. 61 // the client it is ready for displaying.
65 void SyncAndNotifyPictureReady(int32 input_id, int32 output_id); 62 void SyncAndNotifyPictureReady(int32 input_id, int32 output_id);
66 63
67 // Notify the client that an error has occurred and decoding cannot continue. 64 // Notify the client that an error has occurred and decoding cannot continue.
68 void NotifyError(Error error); 65 void NotifyError(Error error);
69 66
70 // Map the received input buffer into this process' address space and 67 // Map the received input buffer into this process' address space and
71 // queue it for decode. 68 // queue it for decode.
72 void MapAndQueueNewInputBuffer( 69 void MapAndQueueNewInputBuffer(
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118 void ResetTask(); 115 void ResetTask();
119 116
120 // Scheduled by ResetTask after it's done putting VAVDA into an idle state. 117 // Scheduled by ResetTask after it's done putting VAVDA into an idle state.
121 // Drops remaining input buffers and notifies the client that reset has been 118 // Drops remaining input buffers and notifies the client that reset has been
122 // finished. 119 // finished.
123 void FinishReset(); 120 void FinishReset();
124 121
125 // Helper for Destroy(), doing all the actual work except for deleting self. 122 // Helper for Destroy(), doing all the actual work except for deleting self.
126 void Cleanup(); 123 void Cleanup();
127 124
128 // Lazily initialize static data after sandbox is enabled. Return false on
129 // init failure.
130 static bool PostSandboxInitialization();
131
132 // Client-provided X/GLX state. 125 // Client-provided X/GLX state.
133 Display* x_display_; 126 Display* x_display_;
134 GLXContext glx_context_; 127 GLXContext glx_context_;
135 base::Callback<bool(void)> make_context_current_; 128 base::Callback<bool(void)> make_context_current_;
136 129
137 // VAVDA state. 130 // VAVDA state.
138 enum State { 131 enum State {
139 // Initialize() not called yet or failed. 132 // Initialize() not called yet or failed.
140 kUninitialized, 133 kUninitialized,
141 // Initialize() succeeded, no initial decode and no pictures requested. 134 // Initialize() succeeded, no initial decode and no pictures requested.
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204 content::VaapiH264Decoder decoder_; 197 content::VaapiH264Decoder decoder_;
205 198
206 // Callback passed to the decoder, which it will use to signal readiness 199 // Callback passed to the decoder, which it will use to signal readiness
207 // of an output picture to be displayed. 200 // of an output picture to be displayed.
208 void OutputPicCallback(int32 input_id, int32 output_id); 201 void OutputPicCallback(int32 input_id, int32 output_id);
209 202
210 DISALLOW_COPY_AND_ASSIGN(VaapiVideoDecodeAccelerator); 203 DISALLOW_COPY_AND_ASSIGN(VaapiVideoDecodeAccelerator);
211 }; 204 };
212 205
213 #endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_ 206 #endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
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