1 files changed, 60 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.h b/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.h
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index 0000000000..eeb3b9497c
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+++ b/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.h
@@ -0,0 +1,60 @@
+/*
+ *  Copyright (c) 2022 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_PIPEWIRE_H_
+#define MODULES_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_PIPEWIRE_H_
+
+#include "modules/video_capture/linux/pipewire_session.h"
+#include "modules/video_capture/video_capture_defines.h"
+#include "modules/video_capture/video_capture_impl.h"
+
+namespace webrtc {
+namespace videocapturemodule {
+class VideoCaptureModulePipeWire : public VideoCaptureImpl {
+ public:
+  explicit VideoCaptureModulePipeWire(VideoCaptureOptions* options);
+  ~VideoCaptureModulePipeWire() 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;
+
+  static VideoType PipeWireRawFormatToVideoType(uint32_t format);
+
+ private:
+  static void OnStreamParamChanged(void* data,
+                                   uint32_t id,
+                                   const struct spa_pod* format);
+  static void OnStreamStateChanged(void* data,
+                                   pw_stream_state old_state,
+                                   pw_stream_state state,
+                                   const char* error_message);
+
+  static void OnStreamProcess(void* data);
+
+  void OnFormatChanged(const struct spa_pod* format);
+  void ProcessBuffers();
+
+  const rtc::scoped_refptr<PipeWireSession> session_
+      RTC_GUARDED_BY(api_checker_);
+  bool initialized_ RTC_GUARDED_BY(api_checker_);
+  bool started_ RTC_GUARDED_BY(api_lock_);
+  int node_id_ RTC_GUARDED_BY(capture_checker_);
+  VideoCaptureCapability configured_capability_
+      RTC_GUARDED_BY(capture_checker_);
+
+  struct pw_stream* stream_ RTC_GUARDED_BY(capture_checker_) = nullptr;
+  struct spa_hook stream_listener_ RTC_GUARDED_BY(capture_checker_);
+};
+}  // namespace videocapturemodule
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_PIPEWIRE_H_