1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.h b/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.h
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index 0000000000..61358d0325
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+++ b/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.h
@@ -0,0 +1,62 @@
+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef MODULES_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_V4L2_H_
+#define MODULES_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_V4L2_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <memory>
+
+#include "modules/video_capture/video_capture_defines.h"
+#include "modules/video_capture/video_capture_impl.h"
+#include "rtc_base/platform_thread.h"
+#include "rtc_base/synchronization/mutex.h"
+
+namespace webrtc {
+namespace videocapturemodule {
+class VideoCaptureModuleV4L2 : public VideoCaptureImpl {
+ public:
+  VideoCaptureModuleV4L2();
+  ~VideoCaptureModuleV4L2() override;
+  int32_t Init(const char* deviceUniqueId);
+  int32_t StartCapture(const VideoCaptureCapability& capability) override;
+  int32_t StopCapture() override;
+  bool CaptureStarted() override;
+  int32_t CaptureSettings(VideoCaptureCapability& settings) override;
+
+ private:
+  enum { kNoOfV4L2Bufffers = 4 };
+
+  static void CaptureThread(void*);
+  bool CaptureProcess();
+  bool AllocateVideoBuffers() RTC_EXCLUSIVE_LOCKS_REQUIRED(capture_lock_);
+  bool DeAllocateVideoBuffers() RTC_EXCLUSIVE_LOCKS_REQUIRED(capture_lock_);
+
+  rtc::PlatformThread _captureThread RTC_GUARDED_BY(api_checker_);
+  Mutex capture_lock_ RTC_ACQUIRED_BEFORE(api_lock_);
+  bool quit_ RTC_GUARDED_BY(capture_lock_);
+  int32_t _deviceId RTC_GUARDED_BY(api_checker_);
+  int32_t _deviceFd;
+
+  int32_t _buffersAllocatedByDevice RTC_GUARDED_BY(capture_lock_);
+  VideoCaptureCapability configured_capability_;
+  bool _captureStarted;
+  struct Buffer {
+    void* start;
+    size_t length;
+  };
+  Buffer* _pool RTC_GUARDED_BY(capture_lock_);
+};
+}  // namespace videocapturemodule
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_V4L2_H_