Adding Mac test renderer, some test refactoring and made cpplint pass.

BUG=1667
TEST=Rendered video in Mac loopback test.
R=pbos@webrtc.org, xians@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1554004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4112 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/video_engine/test/common/gl/gl_renderer.h

@@ -11,7 +11,11 @@
 #ifndef WEBRTC_VIDEO_ENGINE_TEST_COMMON_GL_GL_RENDERER_H_
 #define WEBRTC_VIDEO_ENGINE_TEST_COMMON_GL_GL_RENDERER_H_
 
+#ifdef WEBRTC_MAC
+#include <OpenGL/gl.h>
+#else
 #include <GL/gl.h>
+#endif
 
 #include "webrtc/video_engine/test/common/video_renderer.h"
 

webrtc/video_engine/test/common/linux/video_renderer_linux.cc

@@ -0,0 +1,41 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/video_engine/test/common/video_renderer.h"
+
+#ifdef WEBRTC_TEST_XV
+#include "webrtc/video_engine/test/common/linux/xv_renderer.h"
+#endif  // WEBRTC_TEST_XV
+#ifdef WEBRTC_TEST_GLX
+#include "webrtc/video_engine/test/common/linux/glx_renderer.h"
+#endif  // WEBRTC_TEST_GLX
+
+namespace webrtc {
+namespace test {
+
+VideoRenderer* VideoRenderer::CreatePlatformRenderer(const char* window_title,
+                                                     size_t width,
+                                                     size_t height) {
+#ifdef WEBRTC_TEST_XV
+  XvRenderer* xv_renderer = XvRenderer::Create(window_title, width, height);
+  if (xv_renderer != NULL) {
+    return xv_renderer;
+  }
+#endif  // WEBRTC_TEST_XV
+#ifdef WEBRTC_TEST_GLX
+  GlxRenderer* glx_renderer = GlxRenderer::Create(window_title, width, height);
+  if (glx_renderer != NULL) {
+    return glx_renderer;
+  }
+#endif  // WEBRTC_TEST_GLX
+  return NULL;
+}
+}  // test
+}  // webrtc

webrtc/video_engine/test/common/mac/run_tests.mm

@@ -0,0 +1,73 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import <Cocoa/Cocoa.h>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+@interface TestRunner : NSObject {
+  BOOL running_;
+  int testResult_;
+}
+- (void)runAllTests:(NSObject *)ignored;
+- (BOOL)running;
+- (int)result;
+@end
+
+@implementation TestRunner
+- (id)init {
+  self = [super init];
+  if (self) {
+    running_ = YES;
+  }
+  return self;
+}
+
+- (void)runAllTests:(NSObject *)ignored {
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+  testResult_  = RUN_ALL_TESTS();
+  running_ = NO;
+  [pool release];
+}
+
+- (BOOL)running {
+  return running_;
+}
+
+- (int)result {
+  return testResult_;
+}
+@end
+
+namespace webrtc {
+namespace test {
+
+int RunAllTests() {
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+  [NSApplication sharedApplication];
+
+  TestRunner *testRunner = [[TestRunner alloc] init];
+  [NSThread detachNewThreadSelector:@selector(runAllTests:)
+                           toTarget:testRunner
+                         withObject:nil];
+
+  NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
+  while ([testRunner running] &&
+         [runLoop runMode:NSDefaultRunLoopMode
+               beforeDate:[NSDate distantFuture]]);
+
+  int result = [testRunner result];
+  [testRunner release];
+  [pool release];
+  return result;
+}
+
+}  // namespace test
+}  // namespace webrtc

webrtc/video_engine/test/common/mac/video_renderer_mac.h

@@ -0,0 +1,40 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_VIDEO_ENGINE_TEST_COMMON_MAC_VIDEO_RENDERER_MAC_H_
+#define WEBRTC_VIDEO_ENGINE_TEST_COMMON_MAC_VIDEO_RENDERER_MAC_H_
+
+#include "webrtc/system_wrappers/interface/constructor_magic.h"
+#include "webrtc/video_engine/test/common/gl/gl_renderer.h"
+
+@class CocoaWindow;
+
+namespace webrtc {
+namespace test {
+
+class MacRenderer : public GlRenderer {
+ public:
+  MacRenderer();
+  virtual ~MacRenderer();
+
+  bool Init(const char* window_title, int width, int height);
+
+  // Implements GlRenderer.
+  virtual void RenderFrame(const I420VideoFrame& frame, int delta) OVERRIDE;
+
+ private:
+  CocoaWindow* window_;
+
+  DISALLOW_COPY_AND_ASSIGN(MacRenderer);
+};
+}  // test
+}  // webrtc
+
+#endif  // WEBRTC_VIDEO_ENGINE_TEST_COMMON_MAC_VIDEO_RENDERER_MAC_H_

webrtc/video_engine/test/common/mac/video_renderer_mac.mm

@@ -0,0 +1,134 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/video_engine/test/common/mac/video_renderer_mac.h"
+
+#import <Cocoa/Cocoa.h>
+
+// Creates a Cocoa Window with an OpenGL context, used together with an OpenGL
+// renderer.
+@interface CocoaWindow : NSObject {
+ @private
+  NSWindow *window_;
+  NSOpenGLContext *context_;
+  NSString *title_;
+  int width_;
+  int height_;
+}
+
+- (id)initWithTitle:(NSString *)title width:(int)width height:(int)height;
+// 'createWindow' must be called on the main thread.
+- (void)createWindow:(NSObject *)ignored;
+- (void)makeCurrentContext;
+
+@end
+
+@implementation CocoaWindow
+  static NSInteger nextXOrigin_;
+  static NSInteger nextYOrigin_;
+
+- (id)initWithTitle:(NSString *)title width:(int)width height:(int)height {
+  if (self = [super init]) {
+    title_ = title;
+    width_ = width;
+    height_ = height;
+  }
+  return self;
+}
+
+- (void)dealloc {
+  [window_ release];
+  [super dealloc];
+}
+
+- (void)createWindow:(NSObject *)ignored {
+  NSInteger xOrigin = nextXOrigin_;
+  NSRect screenFrame = [[NSScreen mainScreen] frame];
+  if (nextXOrigin_ + width_ < screenFrame.size.width) {
+    nextXOrigin_ += width_;
+  } else {
+    xOrigin = 0;
+    nextXOrigin_ = 0;
+    nextYOrigin_ += height_;
+  }
+  if (nextYOrigin_ + height_ > screenFrame.size.height) {
+    xOrigin = 0;
+    nextXOrigin_ = 0;
+    nextYOrigin_ = 0;
+  }
+  NSInteger yOrigin = nextYOrigin_;
+  NSRect windowFrame = NSMakeRect(xOrigin, yOrigin, width_, height_);
+  window_ = [[NSWindow alloc] initWithContentRect:windowFrame
+                                        styleMask:NSTitledWindowMask
+                                          backing:NSBackingStoreBuffered
+                                            defer:NO];
+
+  NSRect viewFrame = NSMakeRect(0, 0, width_, height_);
+  NSOpenGLView *view = [[[NSOpenGLView alloc] initWithFrame:viewFrame
+                                                pixelFormat:nil] autorelease];
+  context_ = [view openGLContext];
+
+  [[window_ contentView] addSubview:view];
+  [window_ setTitle:title_];
+  [window_ makeKeyAndOrderFront:NSApp];
+}
+
+- (void)makeCurrentContext {
+  [context_ makeCurrentContext];
+}
+
+@end
+
+namespace webrtc {
+namespace test {
+
+VideoRenderer* VideoRenderer::CreatePlatformRenderer(const char* window_title,
+                                                     size_t width,
+                                                     size_t height) {
+  MacRenderer* renderer = new MacRenderer();
+  if (!renderer->Init(window_title, width, height)) {
+    delete renderer;
+    return NULL;
+  }
+  return renderer;
+}
+
+MacRenderer::MacRenderer()
+    : window_(NULL) {}
+
+MacRenderer::~MacRenderer() {
+  GlRenderer::Destroy();
+  [window_ release];
+}
+
+bool MacRenderer::Init(const char* window_title, int width, int height) {
+  window_ = [[CocoaWindow alloc]
+      initWithTitle:[NSString stringWithUTF8String:window_title]
+                                             width:width
+                                            height:height];
+  if (!window_)
+    return false;
+  [window_ performSelectorOnMainThread:@selector(createWindow:)
+                            withObject:nil
+                         waitUntilDone:YES];
+
+  [window_ makeCurrentContext];
+  GlRenderer::Init();
+  GlRenderer::ResizeViewport(width, height);
+  return true;
+}
+
+void MacRenderer::RenderFrame(const I420VideoFrame& frame, int /*delta*/) {
+  [window_ makeCurrentContext];
+  GlRenderer::RenderFrame(frame, 0);
+}
+
+}  // test
+}  // webrtc

webrtc/video_engine/test/common/null_platform_renderer.cc

@@ -0,0 +1,23 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/video_engine/test/common/video_renderer.h"
+
+namespace webrtc {
+namespace test {
+
+VideoRenderer* VideoRenderer::CreatePlatformRenderer(const char* window_title,
+                                                     size_t width,
+                                                     size_t height) {
+  return NULL;
+}
+}  // test
+}  // webrtc
+

webrtc/video_engine/test/common/run_tests.cc

@@ -0,0 +1,21 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace webrtc {
+namespace test {
+
+int RunAllTests() {
+  return RUN_ALL_TESTS();
+}
+
+}  // namespace test
+}  // namespace webrtc

webrtc/video_engine/test/common/run_tests.h

@@ -0,0 +1,24 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_VIDEO_ENGINE_TEST_COMMON_TEST_RUNNER_H_
+#define WEBRTC_VIDEO_ENGINE_TEST_COMMON_TEST_RUNNER_H_
+
+namespace webrtc {
+namespace test {
+
+// Performs platform-dependent initializations and calls gtest's
+// RUN_ALL_TESTS().
+  int RunAllTests();
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // WEBRTC_VIDEO_ENGINE_TEST_COMMON_TEST_RUNNER_H_

webrtc/video_engine/test/common/vcm_capturer.h

@@ -27,8 +27,8 @@ class VcmCapturer : public VideoCapturer, public VideoCaptureDataCallback {
   virtual void Start() OVERRIDE;
   virtual void Stop() OVERRIDE;
 
-  virtual void OnIncomingCapturedFrame(const int32_t id, I420VideoFrame& frame)
-      OVERRIDE;
+  virtual void OnIncomingCapturedFrame(
+      const int32_t id, I420VideoFrame& frame) OVERRIDE;  // NOLINT
   virtual void OnIncomingCapturedEncodedFrame(const int32_t id,
                                               VideoFrame& frame,
                                               VideoCodecType codec_type)

webrtc/video_engine/test/common/video_capturer.h

@@ -36,4 +36,4 @@ class VideoCapturer {
 }  // test
 }  // webrtc
 
-#endif  // WEBRTC_VIDEO_ENGINE_TEST_COMMON_VIDEO_CAPTURER_H
+#endif  // WEBRTC_VIDEO_ENGINE_TEST_COMMON_VIDEO_CAPTURER_H_

webrtc/video_engine/test/common/video_renderer.cc

@@ -10,19 +10,6 @@
 
 #include "webrtc/video_engine/test/common/video_renderer.h"
 
-#include "webrtc/modules/video_capture/include/video_capture_factory.h"
-#include "webrtc/video_engine/new_include/video_send_stream.h"
-
-#ifdef WEBRTC_TEST_XV
-#include "webrtc/video_engine/test/common/linux/xv_renderer.h"
-#endif  // WEBRTC_TEST_XV
-
-// Platform-specific renderers preferred over NullRenderer
-#ifdef WEBRTC_TEST_GLX
-#include "webrtc/video_engine/test/common/linux/glx_renderer.h"
-#endif  // WEBRTC_TEST_GLX
-
-// TODO(pbos): Mac renderer
 // TODO(pbos): Windows renderer
 // TODO(pbos): Android renderer
 
@@ -34,27 +21,13 @@ class NullRenderer : public VideoRenderer {
                            int time_to_render_ms) OVERRIDE {}
 };
 
-VideoRenderer* VideoRenderer::Create(const char* window_title,
-                                     size_t width,
+VideoRenderer* VideoRenderer::Create(const char* window_title, size_t width,
                                      size_t height) {
-#ifdef WEBRTC_TEST_XV
-  XvRenderer* xv_renderer = XvRenderer::Create(window_title, width, height);
-  if (xv_renderer != NULL) {
-    return xv_renderer;
+  VideoRenderer* renderer = CreatePlatformRenderer(window_title, width, height);
+  if (renderer != NULL) {
+    // TODO(mflodman) Add a warning log.
+    return renderer;
   }
-#endif  // WEBRTC_TEST_XV
-#ifdef WEBRTC_TEST_GLX
-  GlxRenderer* glx_renderer = GlxRenderer::Create(window_title, width, height);
-  if (glx_renderer != NULL) {
-    return glx_renderer;
-  }
-#endif  // WEBRTC_TEST_GLX
-
-  // Avoid initialized-but-not-referenced errors when only building a
-  // NullRenderer
-  (void) width;
-  (void) height;
-
   return new NullRenderer();
 }
 }  // test

webrtc/video_engine/test/common/video_renderer.h

@@ -17,9 +17,17 @@ namespace test {
 
 class VideoRenderer : public newapi::VideoRenderer {
  public:
-  static VideoRenderer* Create(const char* window_title,
-                               size_t width,
+  // Creates a platform-specific renderer if possible, or a null implementation
+  // if failing.
+  static VideoRenderer* Create(const char* window_title, size_t width,
                                size_t height);
+  // Returns a renderer rendering to a platform specific window if possible,
+  // NULL if none can be created.
+  // Creates a platform-specific renderer if possible, returns NULL if a
+  // platform renderer could not be created. This occurs, for instance, when
+  // running without an X environment on Linux.
+  static VideoRenderer* CreatePlatformRenderer(const char* window_title,
+                                               size_t width, size_t height);
   virtual ~VideoRenderer() {}
  protected:
   VideoRenderer() {}

webrtc/video_engine/test/loopback.cc

@@ -8,16 +8,17 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "testing/gtest/include/gtest/gtest.h"
-
 #include <cstdio>
 #include <map>
 
+#include "testing/gtest/include/gtest/gtest.h"
+
 #include "webrtc/typedefs.h"
 #include "webrtc/video_engine/new_include/video_engine.h"
 #include "webrtc/video_engine/test/common/direct_transport.h"
 #include "webrtc/video_engine/test/common/flags.h"
 #include "webrtc/video_engine/test/common/generate_ssrcs.h"
+#include "webrtc/video_engine/test/common/run_tests.h"
 #include "webrtc/video_engine/test/common/video_capturer.h"
 #include "webrtc/video_engine/test/common/video_renderer.h"
 
@@ -51,8 +52,8 @@ TEST_F(LoopbackTest, Test) {
 
   // TODO(pbos): static_cast shouldn't be required after mflodman refactors the
   //             VideoCodec struct.
-  send_config.codec.width = static_cast<unsigned short>(test::flags::Width());
-  send_config.codec.height = static_cast<unsigned short>(test::flags::Height());
+  send_config.codec.width = static_cast<uint16_t>(test::flags::Width());
+  send_config.codec.height = static_cast<uint16_t>(test::flags::Height());
   send_config.codec.minBitrate =
       static_cast<unsigned int>(test::flags::MinBitrate());
   send_config.codec.startBitrate =
@@ -106,5 +107,5 @@ int main(int argc, char* argv[]) {
   ::testing::InitGoogleTest(&argc, argv);
   webrtc::test::flags::Init(&argc, &argv);
 
-  return RUN_ALL_TESTS();
+  return webrtc::test::RunAllTests();
 }

webrtc/video_engine/test/tests.gypi

@@ -10,18 +10,6 @@
   'variables': {
     'xv_renderer%': 0,
   },
-  'conditions': [
-    ['OS=="linux"', {
-      'variables': {
-       'glx_renderer%': 1,
-      },
-    }, {
-      # OS != "linux"
-      'variables': {
-        'glx_renderer%': 0,
-      },
-    }],
-  ],
   'targets': [
     {
       'target_name': 'video_tests_common',
@@ -32,25 +20,25 @@
         'common/frame_generator.cc',
         'common/frame_generator.h',
         'common/generate_ssrcs.h',
-        'common/vcm_capturer.h',
+        'common/gl/gl_renderer.cc',
+        'common/gl/gl_renderer.h',
+        'common/linux/glx_renderer.cc',
+        'common/linux/glx_renderer.h',
+        'common/linux/video_renderer_linux.cc',
+        'common/mac/run_tests.mm',
+        'common/mac/video_renderer_mac.h',
+        'common/mac/video_renderer_mac.mm',
+        'common/null_platform_renderer.cc',
+        'common/run_tests.cc',
+        'common/run_tests.h',
         'common/vcm_capturer.cc',
+        'common/vcm_capturer.h',
         'common/video_capturer.cc',
         'common/video_capturer.h',
         'common/video_renderer.cc',
         'common/video_renderer.h',
       ],
       'conditions': [
-        ['glx_renderer==1', {
-          'defines': [
-            'WEBRTC_TEST_GLX',
-          ],
-          'sources' : [
-            'common/gl/gl_renderer.cc',
-            'common/gl/gl_renderer.h',
-            'common/linux/glx_renderer.cc',
-            'common/linux/glx_renderer.h',
-          ],
-        }],
         ['xv_renderer==1', {
           'defines': [
             'WEBRTC_TEST_XV',
@@ -60,6 +48,23 @@
             'common/linux/xv_renderer.h',
           ],
         }],
+        ['OS=="linux"', {
+          'sources!': [
+            'common/null_platform_renderer.cc',
+          ],
+        }],
+        ['OS=="mac"', {
+          'sources!': [
+            'common/null_platform_renderer.cc',
+            'common/run_tests.cc',
+          ],
+        }],
+        ['OS!="linux" and OS!="mac"', {
+          'sources!' : [
+            'common/gl/gl_renderer.cc',
+            'common/gl/gl_renderer.h',
+          ],
+        }],
       ],
       'direct_dependent_settings': {
         'conditions': [
@@ -99,6 +104,7 @@
         ],
       },
       'dependencies': [
+        '<(DEPTH)/testing/gtest.gyp:gtest',
         '<(DEPTH)/third_party/google-gflags/google-gflags.gyp:google-gflags',
         '<(webrtc_root)/modules/modules.gyp:video_capture_module',
         'video_engine_core',