move //media/capture to //device/capture

device/capture/video/linux/v4l2_capture_delegate.cc

 // Copyright 2015 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/v4l2_capture_delegate.h"
+#include "device/capture/video/linux/v4l2_capture_delegate.h"
 
 #include <poll.h>
 #include <sys/fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_enumerator.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
+#include "device/capture/video/linux/video_capture_device_linux.h"
 #include "media/base/bind_to_current_loop.h"
-#include "media/capture/video/linux/video_capture_device_linux.h"
 
-namespace media {
+namespace device {
 
 // Desired number of video buffers to allocate. The actual number of allocated
 // buffers by v4l2 driver can be higher or lower than this number.
 // kNumVideoBuffers should not be too small, or Chrome may not return enough
 // buffers back to driver in time.
 const uint32_t kNumVideoBuffers = 4;
 // Timeout in milliseconds v4l2_thread_ blocks waiting for a frame from the hw.
 // This value has been fine tuned. Before changing or modifying it see
 // https://crbug.com/470717
 const int kCaptureTimeoutMs = 1000;
 // The number of continuous timeouts tolerated before treated as error.
 const int kContinuousTimeoutLimit = 10;
 // MJPEG is preferred if the requested width or height is larger than this.
 const int kMjpegWidth = 640;
 const int kMjpegHeight = 480;
 // Typical framerate, in fps
 const int kTypicalFramerate = 30;
 
 // V4L2 color formats supported by V4L2CaptureDelegate derived classes.
 // This list is ordered by precedence of use -- but see caveats for MJPEG.
 static struct {
   uint32_t fourcc;
   VideoPixelFormat pixel_format;
   size_t num_planes;
 } const kSupportedFormatsAndPlanarity[] = {
-    {V4L2_PIX_FMT_YUV420, PIXEL_FORMAT_I420, 1},
-    {V4L2_PIX_FMT_YUYV, PIXEL_FORMAT_YUY2, 1},
-    {V4L2_PIX_FMT_UYVY, PIXEL_FORMAT_UYVY, 1},
-    {V4L2_PIX_FMT_RGB24, PIXEL_FORMAT_RGB24, 1},
+    {V4L2_PIX_FMT_YUV420, media::PIXEL_FORMAT_I420, 1},
+    {V4L2_PIX_FMT_YUYV, media::PIXEL_FORMAT_YUY2, 1},
+    {V4L2_PIX_FMT_UYVY, media::PIXEL_FORMAT_UYVY, 1},
+    {V4L2_PIX_FMT_RGB24, media::PIXEL_FORMAT_RGB24, 1},
     // MJPEG is usually sitting fairly low since we don't want to have to
     // decode. However, it is needed for large resolutions due to USB bandwidth
     // limitations, so GetListOfUsableFourCcs() can duplicate it on top, see
     // that method.
-    {V4L2_PIX_FMT_MJPEG, PIXEL_FORMAT_MJPEG, 1},
+    {V4L2_PIX_FMT_MJPEG, media::PIXEL_FORMAT_MJPEG, 1},
     // JPEG works as MJPEG on some gspca webcams from field reports, see
     // https://code.google.com/p/webrtc/issues/detail?id=529, put it as the
     // least preferred format.
-    {V4L2_PIX_FMT_JPEG, PIXEL_FORMAT_MJPEG, 1},
+    {V4L2_PIX_FMT_JPEG, media::PIXEL_FORMAT_MJPEG, 1},
 };
 
 // Fill in |format| with the given parameters.
 static void FillV4L2Format(v4l2_format* format,
                            uint32_t width,
                            uint32_t height,
                            uint32_t pixelformat_fourcc) {
   memset(format, 0, sizeof(*format));
   format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
   format->fmt.pix.width = width;
@@ skipping 59 matching lines @@
 }
 
 // static
 VideoPixelFormat V4L2CaptureDelegate::V4l2FourCcToChromiumPixelFormat(
     uint32_t v4l2_fourcc) {
   for (const auto& fourcc_and_pixel_format : kSupportedFormatsAndPlanarity) {
     if (fourcc_and_pixel_format.fourcc == v4l2_fourcc)
       return fourcc_and_pixel_format.pixel_format;
   }
   // Not finding a pixel format is OK during device capabilities enumeration.
-  // Let the caller decide if PIXEL_FORMAT_UNKNOWN is an error or
+  // Let the caller decide if media::PIXEL_FORMAT_UNKNOWN is an error or
   // not.
   DVLOG(1) << "Unsupported pixel format: " << FourccToString(v4l2_fourcc);
-  return PIXEL_FORMAT_UNKNOWN;
+  return media::PIXEL_FORMAT_UNKNOWN;
 }
 
 // static
 std::list<uint32_t> V4L2CaptureDelegate::GetListOfUsableFourCcs(
     bool prefer_mjpeg) {
   std::list<uint32_t> supported_formats;
   for (const auto& format : kSupportedFormatsAndPlanarity)
     supported_formats.push_back(format.fourcc);
 
   // Duplicate MJPEG on top of the list depending on |prefer_mjpeg|.
@@ skipping 59 matching lines @@
 
   DVLOG(1) << "Chosen pixel format is " << FourccToString(*best);
   FillV4L2Format(&video_fmt_, width, height, *best);
 
   if (HANDLE_EINTR(ioctl(device_fd_.get(), VIDIOC_S_FMT, &video_fmt_)) < 0) {
     SetErrorState(FROM_HERE, "Failed to set video capture format");
     return;
   }
   const VideoPixelFormat pixel_format =
       V4l2FourCcToChromiumPixelFormat(video_fmt_.fmt.pix.pixelformat);
-  if (pixel_format == PIXEL_FORMAT_UNKNOWN) {
+  if (pixel_format == media::PIXEL_FORMAT_UNKNOWN) {
     SetErrorState(FROM_HERE, "Unsupported pixel format");
     return;
   }
 
   // Set capture framerate in the form of capture interval.
   v4l2_streamparm streamparm = {};
   streamparm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
   // The following line checks that the driver knows about framerate get/set.
   if (HANDLE_EINTR(ioctl(device_fd_.get(), VIDIOC_G_PARM, &streamparm)) >= 0) {
     // Now check if the device is able to accept a capture framerate set.
@@ skipping 204 matching lines @@
   if (start == MAP_FAILED) {
     DLOG(ERROR) << "Error mmap()ing a V4L2 buffer into userspace";
     return false;
   }
   start_ = static_cast<uint8_t*>(start);
   length_ = buffer.length;
   payload_size_ = 0;
   return true;
 }
 
-}  // namespace media
+}  // namespace device