Move talk/app/webrtc to webrtc/api

talk/app/webrtc/videosource_unittest.cc

Index: talk/app/webrtc/videosource_unittest.cc
diff --git a/talk/app/webrtc/videosource_unittest.cc b/talk/app/webrtc/videosource_unittest.cc
deleted file mode 100644
index bb911270008e025626cc7024b68ffd6a000650ee..0000000000000000000000000000000000000000
--- a/talk/app/webrtc/videosource_unittest.cc
+++ /dev/null
@@ -1,546 +0,0 @@
-/*
- * libjingle
- * Copyright 2012 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string>
-#include <vector>
-
-#include "talk/app/webrtc/remotevideocapturer.h"
-#include "talk/app/webrtc/test/fakeconstraints.h"
-#include "talk/app/webrtc/videosource.h"
-#include "talk/session/media/channelmanager.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/media/base/fakemediaengine.h"
-#include "webrtc/media/base/fakevideocapturer.h"
-#include "webrtc/media/base/fakevideorenderer.h"
-#include "webrtc/media/webrtc/webrtcvideoframe.h"
-
-using webrtc::FakeConstraints;
-using webrtc::VideoSource;
-using webrtc::MediaConstraintsInterface;
-using webrtc::MediaSourceInterface;
-using webrtc::ObserverInterface;
-using webrtc::VideoSourceInterface;
-
-namespace {
-
-// Max wait time for a test.
-const int kMaxWaitMs = 100;
-
-}  // anonymous namespace
-
-
-// TestVideoCapturer extends cricket::FakeVideoCapturer so it can be used for
-// testing without known camera formats.
-// It keeps its own lists of cricket::VideoFormats for the unit tests in this
-// file.
-class TestVideoCapturer : public cricket::FakeVideoCapturer {
- public:
-  TestVideoCapturer() : test_without_formats_(false) {
-    std::vector<cricket::VideoFormat> formats;
-    formats.push_back(cricket::VideoFormat(1280, 720,
-        cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
-    formats.push_back(cricket::VideoFormat(640, 480,
-        cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
-    formats.push_back(cricket::VideoFormat(640, 400,
-            cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
-    formats.push_back(cricket::VideoFormat(320, 240,
-        cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
-    formats.push_back(cricket::VideoFormat(352, 288,
-            cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
-    ResetSupportedFormats(formats);
-  }
-
-  // This function is used for resetting the supported capture formats and
-  // simulating a cricket::VideoCapturer implementation that don't support
-  // capture format enumeration. This is used to simulate the current
-  // Chrome implementation.
-  void TestWithoutCameraFormats() {
-    test_without_formats_ = true;
-    std::vector<cricket::VideoFormat> formats;
-    ResetSupportedFormats(formats);
-  }
-
-  virtual cricket::CaptureState Start(
-      const cricket::VideoFormat& capture_format) {
-    if (test_without_formats_) {
-      std::vector<cricket::VideoFormat> formats;
-      formats.push_back(capture_format);
-      ResetSupportedFormats(formats);
-    }
-    return FakeVideoCapturer::Start(capture_format);
-  }
-
-  virtual bool GetBestCaptureFormat(const cricket::VideoFormat& desired,
-                                    cricket::VideoFormat* best_format) {
-    if (test_without_formats_) {
-      *best_format = desired;
-      return true;
-    }
-    return FakeVideoCapturer::GetBestCaptureFormat(desired,
-                                                   best_format);
-  }
-
- private:
-  bool test_without_formats_;
-};
-
-class StateObserver : public ObserverInterface {
- public:
-  explicit StateObserver(VideoSourceInterface* source)
-     : state_(source->state()),
-       source_(source) {
-  }
-  virtual void OnChanged() {
-    state_ = source_->state();
-  }
-  MediaSourceInterface::SourceState state() const { return state_; }
-
- private:
-  MediaSourceInterface::SourceState state_;
-  rtc::scoped_refptr<VideoSourceInterface> source_;
-};
-
-class VideoSourceTest : public testing::Test {
- protected:
-  VideoSourceTest()
-      : capturer_cleanup_(new TestVideoCapturer()),
-        capturer_(capturer_cleanup_.get()),
-        channel_manager_(new cricket::ChannelManager(
-          new cricket::FakeMediaEngine(), rtc::Thread::Current())) {
-  }
-
-  void SetUp() {
-    ASSERT_TRUE(channel_manager_->Init());
-  }
-
-  void CreateVideoSource() {
-    CreateVideoSource(NULL);
-  }
-
-  void CreateVideoSource(
-      const webrtc::MediaConstraintsInterface* constraints) {
-    // VideoSource take ownership of |capturer_|
-    source_ =
-        VideoSource::Create(channel_manager_.get(), capturer_cleanup_.release(),
-                            constraints, false);
-
-    ASSERT_TRUE(source_.get() != NULL);
-    EXPECT_EQ(capturer_, source_->GetVideoCapturer());
-
-    state_observer_.reset(new StateObserver(source_));
-    source_->RegisterObserver(state_observer_.get());
-    source_->AddSink(&renderer_);
-  }
-
-  rtc::scoped_ptr<TestVideoCapturer> capturer_cleanup_;
-  TestVideoCapturer* capturer_;
-  cricket::FakeVideoRenderer renderer_;
-  rtc::scoped_ptr<cricket::ChannelManager> channel_manager_;
-  rtc::scoped_ptr<StateObserver> state_observer_;
-  rtc::scoped_refptr<VideoSource> source_;
-};
-
-
-// Test that a VideoSource transition to kLive state when the capture
-// device have started and kEnded if it is stopped.
-// It also test that an output can receive video frames.
-TEST_F(VideoSourceTest, CapturerStartStop) {
-  // Initialize without constraints.
-  CreateVideoSource();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-
-  ASSERT_TRUE(capturer_->CaptureFrame());
-  EXPECT_EQ(1, renderer_.num_rendered_frames());
-
-  capturer_->Stop();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-}
-
-// Test that a VideoSource can be stopped and restarted.
-TEST_F(VideoSourceTest, StopRestart) {
-  // Initialize without constraints.
-  CreateVideoSource();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-
-  ASSERT_TRUE(capturer_->CaptureFrame());
-  EXPECT_EQ(1, renderer_.num_rendered_frames());
-
-  source_->Stop();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-
-  source_->Restart();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-
-  ASSERT_TRUE(capturer_->CaptureFrame());
-  EXPECT_EQ(2, renderer_.num_rendered_frames());
-
-  source_->Stop();
-}
-
-// Test start stop with a remote VideoSource - the video source that has a
-// RemoteVideoCapturer and takes video frames from FrameInput.
-TEST_F(VideoSourceTest, StartStopRemote) {
-  source_ = VideoSource::Create(channel_manager_.get(),
-                                new webrtc::RemoteVideoCapturer(), NULL, true);
-
-  ASSERT_TRUE(source_.get() != NULL);
-  EXPECT_TRUE(NULL != source_->GetVideoCapturer());
-
-  state_observer_.reset(new StateObserver(source_));
-  source_->RegisterObserver(state_observer_.get());
-  source_->AddSink(&renderer_);
-
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-
-  source_->GetVideoCapturer()->Stop();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-}
-
-// Test that a VideoSource transition to kEnded if the capture device
-// fails.
-TEST_F(VideoSourceTest, CameraFailed) {
-  CreateVideoSource();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-
-  capturer_->SignalStateChange(capturer_, cricket::CS_FAILED);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-}
-
-// Test that the capture output is CIF if we set max constraints to CIF.
-// and the capture device support CIF.
-TEST_F(VideoSourceTest, MandatoryConstraintCif5Fps) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxWidth, 352);
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxHeight, 288);
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxFrameRate, 5);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(352, format->width);
-  EXPECT_EQ(288, format->height);
-  EXPECT_EQ(30, format->framerate());
-}
-
-// Test that the capture output is 720P if the camera support it and the
-// optional constraint is set to 720P.
-TEST_F(VideoSourceTest, MandatoryMinVgaOptional720P) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMinWidth, 640);
-  constraints.AddMandatory(MediaConstraintsInterface::kMinHeight, 480);
-  constraints.AddOptional(MediaConstraintsInterface::kMinWidth, 1280);
-  constraints.AddOptional(MediaConstraintsInterface::kMinAspectRatio,
-                          1280.0 / 720);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(1280, format->width);
-  EXPECT_EQ(720, format->height);
-  EXPECT_EQ(30, format->framerate());
-}
-
-// Test that the capture output have aspect ratio 4:3 if a mandatory constraint
-// require it even if an optional constraint request a higher resolution
-// that don't have this aspect ratio.
-TEST_F(VideoSourceTest, MandatoryAspectRatio4To3) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMinWidth, 640);
-  constraints.AddMandatory(MediaConstraintsInterface::kMinHeight, 480);
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxAspectRatio,
-                           640.0 / 480);
-  constraints.AddOptional(MediaConstraintsInterface::kMinWidth, 1280);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(640, format->width);
-  EXPECT_EQ(480, format->height);
-  EXPECT_EQ(30, format->framerate());
-}
-
-
-// Test that the source state transition to kEnded if the mandatory aspect ratio
-// is set higher than supported.
-TEST_F(VideoSourceTest, MandatoryAspectRatioTooHigh) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMinAspectRatio, 2);
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-}
-
-// Test that the source ignores an optional aspect ratio that is higher than
-// supported.
-TEST_F(VideoSourceTest, OptionalAspectRatioTooHigh) {
-  FakeConstraints constraints;
-  constraints.AddOptional(MediaConstraintsInterface::kMinAspectRatio, 2);
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  double aspect_ratio = static_cast<double>(format->width) / format->height;
-  EXPECT_LT(aspect_ratio, 2);
-}
-
-// Test that the source starts video with the default resolution if the
-// camera doesn't support capability enumeration and there are no constraints.
-TEST_F(VideoSourceTest, NoCameraCapability) {
-  capturer_->TestWithoutCameraFormats();
-
-  CreateVideoSource();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(640, format->width);
-  EXPECT_EQ(480, format->height);
-  EXPECT_EQ(30, format->framerate());
-}
-
-// Test that the source can start the video and get the requested aspect ratio
-// if the camera doesn't support capability enumeration and the aspect ratio is
-// set.
-TEST_F(VideoSourceTest, NoCameraCapability16To9Ratio) {
-  capturer_->TestWithoutCameraFormats();
-
-  FakeConstraints constraints;
-  double requested_aspect_ratio = 640.0 / 360;
-  constraints.AddMandatory(MediaConstraintsInterface::kMinWidth, 640);
-  constraints.AddMandatory(MediaConstraintsInterface::kMinAspectRatio,
-                           requested_aspect_ratio);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  double aspect_ratio = static_cast<double>(format->width) / format->height;
-  EXPECT_LE(requested_aspect_ratio, aspect_ratio);
-}
-
-// Test that the source state transitions to kEnded if an unknown mandatory
-// constraint is found.
-TEST_F(VideoSourceTest, InvalidMandatoryConstraint) {
-  FakeConstraints constraints;
-  constraints.AddMandatory("weird key", 640);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-}
-
-// Test that the source ignores an unknown optional constraint.
-TEST_F(VideoSourceTest, InvalidOptionalConstraint) {
-  FakeConstraints constraints;
-  constraints.AddOptional("weird key", 640);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-}
-
-TEST_F(VideoSourceTest, SetValidOptionValues) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kNoiseReduction, "false");
-
-  CreateVideoSource(&constraints);
-
-  EXPECT_EQ(rtc::Optional<bool>(false),
-            source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, OptionNotSet) {
-  FakeConstraints constraints;
-  CreateVideoSource(&constraints);
-  EXPECT_EQ(rtc::Optional<bool>(), source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, MandatoryOptionOverridesOptional) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(
-      MediaConstraintsInterface::kNoiseReduction, true);
-  constraints.AddOptional(
-      MediaConstraintsInterface::kNoiseReduction, false);
-
-  CreateVideoSource(&constraints);
-
-  EXPECT_EQ(rtc::Optional<bool>(true),
-            source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, InvalidOptionKeyOptional) {
-  FakeConstraints constraints;
-  constraints.AddOptional(
-      MediaConstraintsInterface::kNoiseReduction, false);
-  constraints.AddOptional("invalidKey", false);
-
-  CreateVideoSource(&constraints);
-
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-      kMaxWaitMs);
-  EXPECT_EQ(rtc::Optional<bool>(false),
-            source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, InvalidOptionKeyMandatory) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(
-      MediaConstraintsInterface::kNoiseReduction, false);
-  constraints.AddMandatory("invalidKey", false);
-
-  CreateVideoSource(&constraints);
-
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-      kMaxWaitMs);
-  EXPECT_EQ(rtc::Optional<bool>(), source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, InvalidOptionValueOptional) {
-  FakeConstraints constraints;
-  constraints.AddOptional(
-      MediaConstraintsInterface::kNoiseReduction, "not a boolean");
-
-  CreateVideoSource(&constraints);
-
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-      kMaxWaitMs);
-  EXPECT_EQ(rtc::Optional<bool>(), source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, InvalidOptionValueMandatory) {
-  FakeConstraints constraints;
-  // Optional constraints should be ignored if the mandatory constraints fail.
-  constraints.AddOptional(
-      MediaConstraintsInterface::kNoiseReduction, "false");
-  // Values are case-sensitive and must be all lower-case.
-  constraints.AddMandatory(
-      MediaConstraintsInterface::kNoiseReduction, "True");
-
-  CreateVideoSource(&constraints);
-
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-      kMaxWaitMs);
-  EXPECT_EQ(rtc::Optional<bool>(), source_->options()->video_noise_reduction);
-}
-
-TEST_F(VideoSourceTest, MixedOptionsAndConstraints) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxWidth, 352);
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxHeight, 288);
-  constraints.AddOptional(MediaConstraintsInterface::kMaxFrameRate, 5);
-
-  constraints.AddMandatory(
-      MediaConstraintsInterface::kNoiseReduction, false);
-  constraints.AddOptional(
-      MediaConstraintsInterface::kNoiseReduction, true);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(352, format->width);
-  EXPECT_EQ(288, format->height);
-  EXPECT_EQ(30, format->framerate());
-
-  EXPECT_EQ(rtc::Optional<bool>(false),
-            source_->options()->video_noise_reduction);
-}
-
-// Tests that the source starts video with the default resolution for
-// screencast if no constraint is set.
-TEST_F(VideoSourceTest, ScreencastResolutionNoConstraint) {
-  capturer_->TestWithoutCameraFormats();
-  capturer_->SetScreencast(true);
-
-  CreateVideoSource();
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(640, format->width);
-  EXPECT_EQ(480, format->height);
-  EXPECT_EQ(30, format->framerate());
-}
-
-// Tests that the source starts video with the max width and height set by
-// constraints for screencast.
-TEST_F(VideoSourceTest, ScreencastResolutionWithConstraint) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxWidth, 480);
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxHeight, 270);
-
-  capturer_->TestWithoutCameraFormats();
-  capturer_->SetScreencast(true);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(480, format->width);
-  EXPECT_EQ(270, format->height);
-  EXPECT_EQ(30, format->framerate());
-}
-
-TEST_F(VideoSourceTest, MandatorySubOneFpsConstraints) {
-  FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kMaxFrameRate, 0.5);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kEnded, state_observer_->state(),
-                 kMaxWaitMs);
-  ASSERT_TRUE(capturer_->GetCaptureFormat() == NULL);
-}
-
-TEST_F(VideoSourceTest, OptionalSubOneFpsConstraints) {
-  FakeConstraints constraints;
-  constraints.AddOptional(MediaConstraintsInterface::kMaxFrameRate, 0.5);
-
-  CreateVideoSource(&constraints);
-  EXPECT_EQ_WAIT(MediaSourceInterface::kLive, state_observer_->state(),
-                 kMaxWaitMs);
-  const cricket::VideoFormat* format = capturer_->GetCaptureFormat();
-  ASSERT_TRUE(format != NULL);
-  EXPECT_EQ(30, format->framerate());
-}