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/*
* 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_
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