blob: 4749c2f8a976b3d9bd9db7fdad57f8466a2e4863 [file] [log] [blame]
// 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/file_video_capture_device_factory.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/strings/sys_string_conversions.h"
#include "media/base/media_switches.h"
#include "media/video/capture/file_video_capture_device.h"
namespace media {
const char kFileVideoCaptureDeviceName[] =
"/dev/placeholder-for-file-backed-fake-capture-device";
// Inspects the command line and retrieves the file path parameter.
base::FilePath GetFilePathFromCommandLine() {
base::FilePath command_line_file_path =
base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
switches::kUseFileForFakeVideoCapture);
CHECK(!command_line_file_path.empty());
return command_line_file_path;
}
scoped_ptr<VideoCaptureDevice> FileVideoCaptureDeviceFactory::Create(
const VideoCaptureDevice::Name& device_name) {
DCHECK(thread_checker_.CalledOnValidThread());
#if defined(OS_WIN)
return scoped_ptr<VideoCaptureDevice>(new FileVideoCaptureDevice(
base::FilePath(base::SysUTF8ToWide(device_name.name()))));
#else
return scoped_ptr<VideoCaptureDevice>(new FileVideoCaptureDevice(
base::FilePath(device_name.name())));
#endif
}
void FileVideoCaptureDeviceFactory::GetDeviceNames(
VideoCaptureDevice::Names* const device_names) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(device_names->empty());
base::FilePath command_line_file_path = GetFilePathFromCommandLine();
#if defined(OS_WIN)
device_names->push_back(VideoCaptureDevice::Name(
base::SysWideToUTF8(command_line_file_path.value()),
kFileVideoCaptureDeviceName,
VideoCaptureDevice::Name::DIRECT_SHOW));
#elif defined(OS_MACOSX)
device_names->push_back(VideoCaptureDevice::Name(
command_line_file_path.value(),
kFileVideoCaptureDeviceName,
VideoCaptureDevice::Name::AVFOUNDATION));
#else
device_names->push_back(VideoCaptureDevice::Name(
command_line_file_path.value(),
kFileVideoCaptureDeviceName));
#endif
}
void FileVideoCaptureDeviceFactory::GetDeviceSupportedFormats(
const VideoCaptureDevice::Name& device,
VideoCaptureFormats* supported_formats) {
DCHECK(thread_checker_.CalledOnValidThread());
base::File file =
FileVideoCaptureDevice::OpenFileForRead(GetFilePathFromCommandLine());
VideoCaptureFormat capture_format;
FileVideoCaptureDevice::ParseFileAndExtractVideoFormat(&file,
&capture_format);
supported_formats->push_back(capture_format);
}
} // namespace media