| /* |
| * 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(); |
| |
| rtc::RaceChecker pipewire_checker_; |
| |
| const rtc::scoped_refptr<PipeWireSession> session_ |
| RTC_GUARDED_BY(capture_checker_); |
| int node_id_ RTC_GUARDED_BY(capture_checker_); |
| VideoCaptureCapability configured_capability_ |
| RTC_GUARDED_BY(pipewire_checker_); |
| bool started_ RTC_GUARDED_BY(api_lock_); |
| |
| struct pw_stream* stream_ RTC_GUARDED_BY(pipewire_checker_) = nullptr; |
| struct spa_hook stream_listener_ RTC_GUARDED_BY(pipewire_checker_); |
| }; |
| } // namespace videocapturemodule |
| } // namespace webrtc |
| |
| #endif // MODULES_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_PIPEWIRE_H_ |