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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/video/capture/video_capture_device_factory.h"
#include "base/command_line.h"
#include "media/base/media_switches.h"
#include "media/video/capture/fake_video_capture_device_factory.h"
#include "media/video/capture/file_video_capture_device_factory.h"
namespace media {
// static
scoped_ptr<VideoCaptureDeviceFactory> VideoCaptureDeviceFactory::CreateFactory(
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
// Use a Fake or File Video Device Factory if the command line flags are
// present, otherwise use the normal, platform-dependent, device factory.
if (command_line->HasSwitch(switches::kUseFakeDeviceForMediaStream)) {
if (command_line->HasSwitch(switches::kUseFileForFakeVideoCapture)) {
return scoped_ptr<VideoCaptureDeviceFactory>(new
media::FileVideoCaptureDeviceFactory());
} else {
return scoped_ptr<VideoCaptureDeviceFactory>(new
media::FakeVideoCaptureDeviceFactory());
}
} else {
// |ui_task_runner| is needed for the Linux ChromeOS factory to retrieve
// screen rotations and for the Mac factory to run QTKit device enumeration.
return scoped_ptr<VideoCaptureDeviceFactory>(
CreateVideoCaptureDeviceFactory(ui_task_runner));
}
}
VideoCaptureDeviceFactory::VideoCaptureDeviceFactory() {
thread_checker_.DetachFromThread();
}
VideoCaptureDeviceFactory::~VideoCaptureDeviceFactory() {}
void VideoCaptureDeviceFactory::EnumerateDeviceNames(const base::Callback<
void(scoped_ptr<media::VideoCaptureDevice::Names>)>& callback) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(!callback.is_null());
scoped_ptr<VideoCaptureDevice::Names> device_names(
new VideoCaptureDevice::Names());
GetDeviceNames(device_names.get());
callback.Run(device_names.Pass());
}
#if !defined(OS_MACOSX) && !defined(OS_LINUX) && !defined(OS_ANDROID) && !defined(OS_WIN)
// static
VideoCaptureDeviceFactory*
VideoCaptureDeviceFactory::CreateVideoCaptureDeviceFactory(
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
NOTIMPLEMENTED();
return NULL;
}
#endif
} // namespace media
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