Add support for pixel format UYVY in Linux video capture

media/video/capture/linux/video_capture_device_linux.cc

 // 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/video/capture/linux/video_capture_device_linux.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #if defined(OS_OPENBSD)
 #include <sys/videoio.h>
@@ skipping 25 matching lines @@
 enum { kCaptureSelectWaitMs = 10 };
 // MJPEG is preferred if the width or height is larger than this.
 enum { kMjpegWidth = 640 };
 enum { kMjpegHeight = 480 };
 // Typical framerate, in fps
 enum { kTypicalFramerate = 30 };
 
 // V4L2 color formats VideoCaptureDeviceLinux support.
 static const int32 kV4l2RawFmts[] = {
   V4L2_PIX_FMT_YUV420,
-  V4L2_PIX_FMT_YUYV
+  V4L2_PIX_FMT_YUYV,
+  V4L2_PIX_FMT_UYVY
 };
 
 // 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[] =
@@ skipping 18 matching lines @@
 VideoPixelFormat VideoCaptureDeviceLinux::V4l2ColorToVideoCaptureColorFormat(
     int32 v4l2_fourcc) {
   VideoPixelFormat result = PIXEL_FORMAT_UNKNOWN;
   switch (v4l2_fourcc) {
     case V4L2_PIX_FMT_YUV420:
       result = PIXEL_FORMAT_I420;
       break;
     case V4L2_PIX_FMT_YUYV:
       result = PIXEL_FORMAT_YUY2;
       break;
+    case V4L2_PIX_FMT_UYVY:
+      result = PIXEL_FORMAT_UYVY;
+      break;
     case V4L2_PIX_FMT_MJPEG:
     case V4L2_PIX_FMT_JPEG:
       result = PIXEL_FORMAT_MJPEG;
       break;
     default:
       DVLOG(1) << "Unsupported pixel format " << std::hex << v4l2_fourcc;
   }
   return result;
 }
 
@@ skipping 407 matching lines @@
 
 void VideoCaptureDeviceLinux::SetErrorState(const std::string& reason) {
   DCHECK(!v4l2_thread_.IsRunning() ||
          v4l2_thread_.message_loop() == base::MessageLoop::current());
   DVLOG(1) << reason;
   state_ = kError;
   client_->OnError(reason);
 }
 
 }  // namespace media