[WIP] Move media/capture to device/capture

media/capture/video/linux/video_capture_device_linux.cc

Index: media/capture/video/linux/video_capture_device_linux.cc
diff --git a/media/capture/video/linux/video_capture_device_linux.cc b/media/capture/video/linux/video_capture_device_linux.cc
deleted file mode 100644
index 8e99e8668ac5dc1b05c10d61ea7524362e0fb4f7..0000000000000000000000000000000000000000
--- a/media/capture/video/linux/video_capture_device_linux.cc
+++ /dev/null
@@ -1,150 +0,0 @@
-// Copyright (c) 2012 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/capture/video/linux/video_capture_device_linux.h"
-
-#include <stddef.h>
-
-#include <list>
-
-#include "base/bind.h"
-#include "base/strings/stringprintf.h"
-#include "build/build_config.h"
-#include "media/capture/video/linux/v4l2_capture_delegate.h"
-
-#if defined(OS_OPENBSD)
-#include <sys/videoio.h>
-#else
-#include <linux/videodev2.h>
-#endif
-
-namespace media {
-
-// USB VID and PID are both 4 bytes long.
-static const size_t kVidPidSize = 4;
-
-// /sys/class/video4linux/video{N}/device is a symlink to the corresponding
-// USB device info directory.
-static const char kVidPathTemplate[] =
-    "/sys/class/video4linux/%s/device/../idVendor";
-static const char kPidPathTemplate[] =
-    "/sys/class/video4linux/%s/device/../idProduct";
-
-static bool ReadIdFile(const std::string& path, std::string* id) {
-  char id_buf[kVidPidSize];
-  FILE* file = fopen(path.c_str(), "rb");
-  if (!file)
-    return false;
-  const bool success = fread(id_buf, kVidPidSize, 1, file) == 1;
-  fclose(file);
-  if (!success)
-    return false;
-  id->append(id_buf, kVidPidSize);
-  return true;
-}
-
-// Translates Video4Linux pixel formats to Chromium pixel formats.
-// static
-VideoPixelFormat VideoCaptureDeviceLinux::V4l2FourCcToChromiumPixelFormat(
-    uint32_t v4l2_fourcc) {
-  return V4L2CaptureDelegate::V4l2FourCcToChromiumPixelFormat(v4l2_fourcc);
-}
-
-// Gets a list of usable Four CC formats prioritized.
-// static
-std::list<uint32_t> VideoCaptureDeviceLinux::GetListOfUsableFourCCs(
-    bool favour_mjpeg) {
-  return V4L2CaptureDelegate::GetListOfUsableFourCcs(favour_mjpeg);
-}
-
-const std::string VideoCaptureDevice::Name::GetModel() const {
-  // |unique_id| is of the form "/dev/video2".  |file_name| is "video2".
-  const std::string dev_dir = "/dev/";
-  DCHECK_EQ(0, unique_id_.compare(0, dev_dir.length(), dev_dir));
-  const std::string file_name =
-      unique_id_.substr(dev_dir.length(), unique_id_.length());
-
-  const std::string vidPath =
-      base::StringPrintf(kVidPathTemplate, file_name.c_str());
-  const std::string pidPath =
-      base::StringPrintf(kPidPathTemplate, file_name.c_str());
-
-  std::string usb_id;
-  if (!ReadIdFile(vidPath, &usb_id))
-    return "";
-  usb_id.append(":");
-  if (!ReadIdFile(pidPath, &usb_id))
-    return "";
-
-  return usb_id;
-}
-
-VideoCaptureDeviceLinux::VideoCaptureDeviceLinux(const Name& device_name)
-    : v4l2_thread_("V4L2CaptureThread"), device_name_(device_name) {}
-
-VideoCaptureDeviceLinux::~VideoCaptureDeviceLinux() {
-  // Check if the thread is running.
-  // This means that the device has not been StopAndDeAllocate()d properly.
-  DCHECK(!v4l2_thread_.IsRunning());
-  v4l2_thread_.Stop();
-}
-
-void VideoCaptureDeviceLinux::AllocateAndStart(
-    const VideoCaptureParams& params,
-    std::unique_ptr<VideoCaptureDevice::Client> client) {
-  DCHECK(!capture_impl_);
-  if (v4l2_thread_.IsRunning())
-    return;  // Wrong state.
-  v4l2_thread_.Start();
-
-  const int line_frequency =
-      TranslatePowerLineFrequencyToV4L2(GetPowerLineFrequency(params));
-  capture_impl_ = new V4L2CaptureDelegate(
-      device_name_, v4l2_thread_.task_runner(), line_frequency);
-  if (!capture_impl_) {
-    client->OnError(FROM_HERE, "Failed to create VideoCaptureDelegate");
-    return;
-  }
-  v4l2_thread_.message_loop()->PostTask(
-      FROM_HERE,
-      base::Bind(&V4L2CaptureDelegate::AllocateAndStart, capture_impl_,
-                 params.requested_format.frame_size.width(),
-                 params.requested_format.frame_size.height(),
-                 params.requested_format.frame_rate, base::Passed(&client)));
-}
-
-void VideoCaptureDeviceLinux::StopAndDeAllocate() {
-  if (!v4l2_thread_.IsRunning())
-    return;  // Wrong state.
-  v4l2_thread_.message_loop()->PostTask(
-      FROM_HERE,
-      base::Bind(&V4L2CaptureDelegate::StopAndDeAllocate, capture_impl_));
-  v4l2_thread_.Stop();
-
-  capture_impl_ = NULL;
-}
-
-void VideoCaptureDeviceLinux::SetRotation(int rotation) {
-  if (v4l2_thread_.IsRunning()) {
-    v4l2_thread_.message_loop()->PostTask(
-        FROM_HERE,
-        base::Bind(&V4L2CaptureDelegate::SetRotation, capture_impl_, rotation));
-  }
-}
-
-// static
-int VideoCaptureDeviceLinux::TranslatePowerLineFrequencyToV4L2(
-    PowerLineFrequency frequency) {
-  switch (frequency) {
-    case media::PowerLineFrequency::FREQUENCY_50HZ:
-      return V4L2_CID_POWER_LINE_FREQUENCY_50HZ;
-    case media::PowerLineFrequency::FREQUENCY_60HZ:
-      return V4L2_CID_POWER_LINE_FREQUENCY_60HZ;
-    default:
-      // If we have no idea of the frequency, at least try and set it to AUTO.
-      return V4L2_CID_POWER_LINE_FREQUENCY_AUTO;
-  }
-}
-
-}  // namespace media