| // 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 = |
| 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)); |
| #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 |