Index: media/capture/video/linux/camera_facing_chromeos.cc |
diff --git a/media/capture/video/linux/camera_facing_chromeos.cc b/media/capture/video/linux/camera_facing_chromeos.cc |
deleted file mode 100644 |
index ad54ed4185e757836431ca31c057b91fb4c3df1b..0000000000000000000000000000000000000000 |
--- a/media/capture/video/linux/camera_facing_chromeos.cc |
+++ /dev/null |
@@ -1,194 +0,0 @@ |
-// Copyright 2016 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 "camera_facing_chromeos.h" |
- |
-#include <base/files/file_util.h> |
-#include <base/logging.h> |
-#include <base/strings/stringprintf.h> |
-#include <base/strings/string_number_conversions.h> |
-#include <base/strings/string_piece.h> |
-#include <base/strings/string_split.h> |
-#include <base/strings/string_util.h> |
- |
-namespace media { |
- |
-namespace { |
- |
-// The value for each field in the enum matches the value in |
-// /etc/camera/camera_characteristics.conf. |
-enum LensFacing { FRONT = 0, BACK = 1 }; |
- |
-bool GetCameraId(const base::StringPiece& sub_key, int* camera_id) { |
- const base::StringPiece camera_id_prefix = "camera"; |
- if (!sub_key.starts_with(camera_id_prefix)) |
- return false; |
- return base::StringToInt(sub_key.substr(camera_id_prefix.size()), camera_id); |
-} |
-} |
- |
-// /etc/camera/camera_characteristics.conf contains camera information which |
-// driver cannot provide. |
-static const char kCameraCharacteristicsConfigFile[] = |
- "/etc/camera/camera_characteristics.conf"; |
-static const char kLensFacing[] = "lens_facing"; |
-static const char kUsbVidPid[] = "usb_vid_pid"; |
-static const char kUsbPath[] = "usb_path"; |
- |
-CameraFacingChromeOS::CameraFacingChromeOS() { |
- InitializeDeviceInfo(std::string(kCameraCharacteristicsConfigFile)); |
-} |
- |
-CameraFacingChromeOS::CameraFacingChromeOS( |
- const std::string& config_file_path) { |
- InitializeDeviceInfo(config_file_path); |
-} |
- |
-CameraFacingChromeOS::~CameraFacingChromeOS() {} |
- |
-VideoFacingMode CameraFacingChromeOS::GetCameraFacing( |
- const std::string& device_id, |
- const std::string& model_id) const { |
- std::string usb_id = GetUsbId(device_id); |
- const auto& usb_id_to_camera_id_const = usb_id_to_camera_id_; |
- const auto& model_id_to_camera_id_const = model_id_to_camera_id_; |
- const auto& camera_id_to_facing_const = camera_id_to_facing_; |
- auto usb_id_iter = usb_id_to_camera_id_const.find(usb_id); |
- int camera_id; |
- if (usb_id_iter == usb_id_to_camera_id_const.end()) { |
- // Can't find Usb ID. Fall back to use model_id. |
- auto model_id_iter = model_id_to_camera_id_const.find(model_id); |
- if (model_id_iter == model_id_to_camera_id_const.end()) { |
- DLOG(ERROR) << "Can't find model ID in config file: " << model_id; |
- return kLensFacingDefault; |
- } |
- camera_id = model_id_iter->second; |
- } else { |
- camera_id = usb_id_iter->second; |
- } |
- |
- auto camera_id_iter = camera_id_to_facing_const.find(camera_id); |
- if (camera_id_iter == camera_id_to_facing_const.end()) { |
- DLOG(ERROR) << "Can't find lens_facing of camera ID " << camera_id |
- << " in config file"; |
- return kLensFacingDefault; |
- } |
- return camera_id_iter->second; |
-} |
- |
-std::string CameraFacingChromeOS::GetUsbId(const std::string& device_id) const { |
- // |device_id| is of the form "/dev/video2". We want to retrieve "video2" |
- // into |file_name|. |
- const std::string device_dir = "/dev/"; |
- if (!base::StartsWith(device_id, device_dir, base::CompareCase::SENSITIVE)) { |
- DLOG(ERROR) << "device_id is invalid: " << device_id; |
- return std::string(); |
- } |
- const std::string file_name = device_id.substr(device_dir.length()); |
- |
- // Usb ID can be obtained by "readlink /sys/class/video4linux/video2/device". |
- const std::string symlink = |
- base::StringPrintf("/sys/class/video4linux/%s/device", file_name.c_str()); |
- base::FilePath symlinkTarget; |
- if (!base::ReadSymbolicLink(base::FilePath(symlink), &symlinkTarget)) { |
- DPLOG(ERROR) << "Failed to readlink: " << symlink; |
- return std::string(); |
- } |
- |
- // |symlinkTarget| is of the format "../../../A-B:C.D". Remove the path |
- // prefix. |
- base::StringPiece usb_part = symlinkTarget.BaseName().value(); |
- |
- // |usb_part| is of the format "A-B:C.D" or "A-B.C:D". We want everything |
- // before ":". |
- std::vector<base::StringPiece> usb_id_pieces = base::SplitStringPiece( |
- usb_part, ":", base::WhitespaceHandling::TRIM_WHITESPACE, |
- base::SplitResult::SPLIT_WANT_ALL); |
- |
- if (usb_id_pieces.empty()) { |
- DLOG(ERROR) << "Error after split: " << usb_part; |
- return std::string(); |
- } |
- return usb_id_pieces[0].as_string(); |
-} |
- |
-void CameraFacingChromeOS::InitializeDeviceInfo( |
- const std::string& config_file_path) { |
- const base::FilePath path(config_file_path); |
- std::string content; |
- if (!base::ReadFileToString(path, &content)) { |
- DPLOG(ERROR) << "ReadFileToString fails"; |
- return; |
- } |
- const std::vector<base::StringPiece> lines = base::SplitStringPiece( |
- content, "\n", base::WhitespaceHandling::TRIM_WHITESPACE, |
- base::SplitResult::SPLIT_WANT_NONEMPTY); |
- |
- for (const base::StringPiece& line : lines) { |
- if (line.starts_with("#")) // Ignore the comments that starts with "#". |
- continue; |
- const std::vector<base::StringPiece> key_value = base::SplitStringPiece( |
- line, "=", base::WhitespaceHandling::TRIM_WHITESPACE, |
- base::SplitResult::SPLIT_WANT_ALL); |
- if (key_value.size() != 2) { |
- DLOG(ERROR) << "Invalid line in config file: " << line; |
- continue; |
- } |
- const auto& key = key_value[0]; |
- const auto& value = key_value[1]; |
- const std::vector<base::StringPiece> sub_keys = base::SplitStringPiece( |
- key, ".", base::WhitespaceHandling::TRIM_WHITESPACE, |
- base::SplitResult::SPLIT_WANT_ALL); |
- |
- if (sub_keys.size() < 1) { |
- DLOG(ERROR) << "No valid sub key exists. Line format is invalid: " |
- << line; |
- continue; |
- } |
- int camera_id = 0; |
- if (!GetCameraId(sub_keys[0], &camera_id)) { |
- DLOG(ERROR) << "Invalid sub key for camera id: " << sub_keys[0]; |
- continue; |
- } |
- |
- if (sub_keys.size() == 2 && sub_keys[1] == kLensFacing) { |
- int lens_facing = -1; |
- if (!base::StringToInt(value, &lens_facing)) { |
- DLOG(ERROR) << "Invalid value for lens_facing: " << value; |
- continue; |
- } |
- switch (lens_facing) { |
- case LensFacing::FRONT: |
- camera_id_to_facing_[camera_id] = |
- VideoFacingMode::MEDIA_VIDEO_FACING_USER; |
- break; |
- case LensFacing::BACK: |
- camera_id_to_facing_[camera_id] = |
- VideoFacingMode::MEDIA_VIDEO_FACING_ENVIRONMENT; |
- break; |
- default: |
- DLOG(ERROR) << "Invalid value for lens_facing: " << lens_facing; |
- continue; |
- } |
- } else if (sub_keys.size() == 3 && sub_keys[2] == kUsbVidPid) { |
- if (value.empty()) { |
- DLOG(ERROR) << "model_id is empty"; |
- continue; |
- } |
- std::string model_id = value.as_string(); |
- std::transform(model_id.begin(), model_id.end(), model_id.begin(), |
- ::tolower); |
- model_id_to_camera_id_[model_id] = camera_id; |
- } else if (sub_keys.size() == 3 && sub_keys[2] == kUsbPath) { |
- if (value.empty()) { |
- DLOG(ERROR) << "usb_path is empty"; |
- continue; |
- } |
- usb_id_to_camera_id_[value.as_string()] = camera_id; |
- } |
- // Ignore unknown or unutilized attributes. |
- } |
-} |
- |
-} // namespace media |