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source: webrtc/webrtc/modules/video_capture/linux/video_capture_linux.h @ 0:4bda6873e34c

pub_scrub_3792 tip
Last change on this file since 0:4bda6873e34c was 0:4bda6873e34c, checked in by Michael Prittie <mprittie@…>, 6 years ago

Scrubbed password for publication.

File size: 1.9 KB
Line 
1/*
2 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
12#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
13
14#include "webrtc/common_types.h"
15#include "webrtc/modules/video_capture/video_capture_impl.h"
16
17namespace webrtc
18{
19class CriticalSectionWrapper;
20class ThreadWrapper;
21namespace videocapturemodule
22{
23class VideoCaptureModuleV4L2: public VideoCaptureImpl
24{
25public:
26    VideoCaptureModuleV4L2(int32_t id);
27    virtual ~VideoCaptureModuleV4L2();
28    virtual int32_t Init(const char* deviceUniqueId);
29    virtual int32_t StartCapture(const VideoCaptureCapability& capability);
30    virtual int32_t StopCapture();
31    virtual bool CaptureStarted();
32    virtual int32_t CaptureSettings(VideoCaptureCapability& settings);
33
34private:
35    enum {kNoOfV4L2Bufffers=4};
36
37    static bool CaptureThread(void*);
38    bool CaptureProcess();
39    bool AllocateVideoBuffers();
40    bool DeAllocateVideoBuffers();
41
42    ThreadWrapper* _captureThread;
43    CriticalSectionWrapper* _captureCritSect;
44
45    int32_t _deviceId;
46    int32_t _deviceFd;
47
48    int32_t _buffersAllocatedByDevice;
49    int32_t _currentWidth;
50    int32_t _currentHeight;
51    int32_t _currentFrameRate;
52    bool _captureStarted;
53    RawVideoType _captureVideoType;
54    struct Buffer
55    {
56        void *start;
57        size_t length;
58    };
59    Buffer *_pool;
60};
61}  // namespace videocapturemodule
62}  // namespace webrtc
63
64#endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
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