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Side by Side Diff: content/browser/renderer_host/media/video_capture_device_client.h

Issue 2214533002: move //media/capture to //device/capture (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 4 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_DEVICE_CLIENT_H_ 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_DEVICE_CLIENT_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_DEVICE_CLIENT_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_DEVICE_CLIENT_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 "base/memory/weak_ptr.h" 15 #include "base/memory/weak_ptr.h"
16 #include "content/common/content_export.h" 16 #include "content/common/content_export.h"
17 #include "media/capture/video/video_capture_device.h" 17 #include "device/capture/video/video_capture_device.h"
18 18
19 namespace content { 19 namespace content {
20 class VideoCaptureBufferPool; 20 class VideoCaptureBufferPool;
21 class VideoCaptureController; 21 class VideoCaptureController;
22 class VideoCaptureGpuJpegDecoder; 22 class VideoCaptureGpuJpegDecoder;
23 23
24 // Receives events from the VideoCaptureDevice and posts them to a |controller_| 24 // Receives events from the VideoCaptureDevice and posts them to a |controller_|
25 // on the IO thread. An instance of this class may safely outlive its target 25 // on the IO thread. An instance of this class may safely outlive its target
26 // VideoCaptureController. This is a shallow class meant to convert incoming 26 // VideoCaptureController. This is a shallow class meant to convert incoming
27 // frames and holds no significant state. 27 // frames and holds no significant state.
28 // 28 //
29 // Methods of this class may be called from any thread, and in practice will 29 // Methods of this class may be called from any thread, and in practice will
30 // often be called on some auxiliary thread depending on the platform and the 30 // often be called on some auxiliary thread depending on the platform and the
31 // device type; including, for example, the DirectShow thread on Windows, the 31 // device type; including, for example, the DirectShow thread on Windows, the
32 // v4l2_thread on Linux, and the UI thread for tab capture. 32 // v4l2_thread on Linux, and the UI thread for tab capture.
33 // 33 //
34 // It has an internal ref counted TextureWrapHelper class used to wrap incoming 34 // It has an internal ref counted TextureWrapHelper class used to wrap incoming
35 // GpuMemoryBuffers into Texture backed VideoFrames. This class creates and 35 // GpuMemoryBuffers into Texture backed VideoFrames. This class creates and
36 // manages the necessary entities to interact with the GPU process, notably an 36 // manages the necessary entities to interact with the GPU process, notably an
37 // offscreen Context to avoid janking the UI thread. 37 // offscreen Context to avoid janking the UI thread.
38 class CONTENT_EXPORT VideoCaptureDeviceClient 38 class CONTENT_EXPORT VideoCaptureDeviceClient
39 : public media::VideoCaptureDevice::Client, 39 : public device::VideoCaptureDevice::Client,
40 public base::SupportsWeakPtr<VideoCaptureDeviceClient> { 40 public base::SupportsWeakPtr<VideoCaptureDeviceClient> {
41 public: 41 public:
42 VideoCaptureDeviceClient( 42 VideoCaptureDeviceClient(
43 const base::WeakPtr<VideoCaptureController>& controller, 43 const base::WeakPtr<VideoCaptureController>& controller,
44 const scoped_refptr<VideoCaptureBufferPool>& buffer_pool); 44 const scoped_refptr<VideoCaptureBufferPool>& buffer_pool);
45 ~VideoCaptureDeviceClient() override; 45 ~VideoCaptureDeviceClient() override;
46 46
47 // VideoCaptureDevice::Client implementation. 47 // VideoCaptureDevice::Client implementation.
48 void OnIncomingCapturedData(const uint8_t* data, 48 void OnIncomingCapturedData(const uint8_t* data,
49 int length, 49 int length,
(...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after
117 117
118 media::VideoPixelFormat last_captured_pixel_format_; 118 media::VideoPixelFormat last_captured_pixel_format_;
119 119
120 DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceClient); 120 DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceClient);
121 }; 121 };
122 122
123 123
124 } // namespace content 124 } // namespace content
125 125
126 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_DEVICE_CLIENT_H_ 126 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_DEVICE_CLIENT_H_
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