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https://github.com/mollyim/webrtc.git
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f0be3bee1f
This makes it possible to access cameras through xdg-desktop-portal and pipewire. For pipewire, a shared state is needed between the enumeration and the creation of camera object. So a new API is needed with a shared options object that holds the state and can be used to choose which backend to try. Bug: webrtc:13177 Change-Id: Iaad2333b41e4e6fb112f4558ea4b623e59afcbd1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/261620 Reviewed-by: Alexander Cooper <alcooper@chromium.org> Commit-Queue: Alexander Cooper <alcooper@chromium.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39251}
68 lines
2 KiB
C++
68 lines
2 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <linux/videodev2.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <sys/select.h>
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#include <time.h>
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#include <unistd.h>
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#include <new>
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#include <string>
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#include "api/scoped_refptr.h"
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#include "media/base/video_common.h"
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#if defined(WEBRTC_USE_PIPEWIRE)
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#include "modules/video_capture/linux/video_capture_pipewire.h"
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#endif
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#include "modules/video_capture/linux/video_capture_v4l2.h"
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#include "modules/video_capture/video_capture.h"
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#include "modules/video_capture/video_capture_options.h"
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#include "rtc_base/logging.h"
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namespace webrtc {
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namespace videocapturemodule {
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rtc::scoped_refptr<VideoCaptureModule> VideoCaptureImpl::Create(
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const char* deviceUniqueId) {
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auto implementation = rtc::make_ref_counted<VideoCaptureModuleV4L2>();
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if (implementation->Init(deviceUniqueId) != 0)
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return nullptr;
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return implementation;
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}
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rtc::scoped_refptr<VideoCaptureModule> VideoCaptureImpl::Create(
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VideoCaptureOptions* options,
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const char* deviceUniqueId) {
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#if defined(WEBRTC_USE_PIPEWIRE)
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if (options->allow_pipewire()) {
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auto implementation =
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rtc::make_ref_counted<VideoCaptureModulePipeWire>(options);
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if (implementation->Init(deviceUniqueId) == 0)
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return implementation;
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}
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#endif
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if (options->allow_v4l2()) {
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auto implementation = rtc::make_ref_counted<VideoCaptureModuleV4L2>();
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if (implementation->Init(deviceUniqueId) == 0)
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return implementation;
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}
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return nullptr;
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}
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} // namespace videocapturemodule
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} // namespace webrtc
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