Consolidate duplicated frame / capability structures in video_capture_types.h

media/video/capture/video_capture_types.cc

Index: media/video/capture/video_capture_types.cc
diff --git a/media/video/capture/video_capture_types.cc b/media/video/capture/video_capture_types.cc
new file mode 100644
index 0000000000000000000000000000000000000000..058b1684b34b6c9599bafedafaf344e358e87696
--- /dev/null
+++ b/media/video/capture/video_capture_types.cc
@@ -0,0 +1,60 @@
+// Copyright (c) 2013 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/video_capture_types.h"
+
+#include "media/base/limits.h"
+
+namespace media {
+
+VideoCaptureFormat::VideoCaptureFormat()
+    : width(0),
+      height(0),
+      frame_rate(0),
+      frame_size_type(ConstantResolutionVideoCaptureDevice) {}
+
+VideoCaptureFormat::VideoCaptureFormat(
+    int width,
+    int height,
+    int frame_rate,
+    VideoCaptureResolutionType frame_size_type)
+    : width(width),
+      height(height),
+      frame_rate(frame_rate),
+      frame_size_type(frame_size_type) {}
+
+bool VideoCaptureFormat::IsValid() const {
+  return (width > 0) && (height > 0) && (frame_rate > 0) &&
+         (frame_rate < media::limits::kMaxFramesPerSecond) &&
+         (width < media::limits::kMaxDimension) &&
+         (height < media::limits::kMaxDimension) &&
+         (width * height < media::limits::kMaxCanvas) &&
+         (frame_size_type >= 0) &&
+         (frame_size_type < media::MaxVideoCaptureResolutionType);
+}
+
+VideoCaptureParams::VideoCaptureParams()
+    : session_id(0) {}
+
+VideoCaptureCapability::VideoCaptureCapability()
+    : color(PIXEL_FORMAT_UNKNOWN),
+      expected_capture_delay(0),
+      interlaced(false),
+      session_id(0) {}
+
+VideoCaptureCapability::VideoCaptureCapability(
+    int width,
+    int height,
+    int frame_rate,
+    VideoPixelFormat color,
+    int delay,
+    bool interlaced,
+    VideoCaptureResolutionType frame_size_type)
+    : VideoCaptureFormat(width, height, frame_rate, frame_size_type),
+      color(color),
+      expected_capture_delay(delay),
+      interlaced(interlaced),
+      session_id(0) {}
+
+}  // namespace media