1/*
2 * libjingle
3 * Copyright 2004 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <stdio.h>
29
30#include <string>
31#include <vector>
32
33#include "talk/base/gunit.h"
34#include "talk/base/logging.h"
35#include "talk/base/thread.h"
36#include "talk/media/base/testutils.h"
37#include "talk/media/devices/filevideocapturer.h"
38
39namespace {
40
41class FileVideoCapturerTest : public testing::Test {
42 public:
43  virtual void SetUp() {
44    capturer_.reset(new cricket::FileVideoCapturer);
45  }
46
47  bool OpenFile(const std::string& filename) {
48    return capturer_->Init(cricket::GetTestFilePath(filename));
49  }
50
51 protected:
52  class VideoCapturerListener : public sigslot::has_slots<> {
53   public:
54    VideoCapturerListener()
55        : frame_count_(0),
56          frame_width_(0),
57          frame_height_(0),
58          resolution_changed_(false) {
59    }
60
61    void OnFrameCaptured(cricket::VideoCapturer* capturer,
62                         const cricket::CapturedFrame* frame) {
63      ++frame_count_;
64      if (1 == frame_count_) {
65        frame_width_ = frame->width;
66        frame_height_ = frame->height;
67      } else if (frame_width_ != frame->width ||
68          frame_height_ != frame->height) {
69        resolution_changed_ = true;
70      }
71    }
72
73    int frame_count() const { return frame_count_; }
74    int frame_width() const { return frame_width_; }
75    int frame_height() const { return frame_height_; }
76    bool resolution_changed() const { return resolution_changed_; }
77
78   private:
79    int frame_count_;
80    int frame_width_;
81    int frame_height_;
82    bool resolution_changed_;
83  };
84
85  talk_base::scoped_ptr<cricket::FileVideoCapturer> capturer_;
86  cricket::VideoFormat capture_format_;
87};
88
89TEST_F(FileVideoCapturerTest, TestNotOpened) {
90  EXPECT_EQ("", capturer_->GetId());
91  EXPECT_TRUE(capturer_->GetSupportedFormats()->empty());
92  EXPECT_EQ(NULL, capturer_->GetCaptureFormat());
93  EXPECT_FALSE(capturer_->IsRunning());
94}
95
96TEST_F(FileVideoCapturerTest, TestInvalidOpen) {
97  EXPECT_FALSE(OpenFile("NotmeNotme"));
98}
99
100TEST_F(FileVideoCapturerTest, TestOpen) {
101  EXPECT_TRUE(OpenFile("captured-320x240-2s-48.frames"));
102  EXPECT_NE("", capturer_->GetId());
103  EXPECT_TRUE(NULL != capturer_->GetSupportedFormats());
104  EXPECT_EQ(1U, capturer_->GetSupportedFormats()->size());
105  EXPECT_EQ(NULL, capturer_->GetCaptureFormat());  // not started yet
106  EXPECT_FALSE(capturer_->IsRunning());
107}
108
109TEST_F(FileVideoCapturerTest, TestLargeSmallDesiredFormat) {
110  EXPECT_TRUE(OpenFile("captured-320x240-2s-48.frames"));
111  // desired format with large resolution.
112  cricket::VideoFormat desired(
113      3200, 2400, cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_ANY);
114  EXPECT_TRUE(capturer_->GetBestCaptureFormat(desired, &capture_format_));
115  EXPECT_EQ(320, capture_format_.width);
116  EXPECT_EQ(240, capture_format_.height);
117
118  // Desired format with small resolution.
119  desired.width = 0;
120  desired.height = 0;
121  EXPECT_TRUE(capturer_->GetBestCaptureFormat(desired, &capture_format_));
122  EXPECT_EQ(320, capture_format_.width);
123  EXPECT_EQ(240, capture_format_.height);
124}
125
126TEST_F(FileVideoCapturerTest, TestSupportedAsDesiredFormat) {
127  EXPECT_TRUE(OpenFile("captured-320x240-2s-48.frames"));
128  // desired format same as the capture format supported by the file
129  cricket::VideoFormat desired = capturer_->GetSupportedFormats()->at(0);
130  EXPECT_TRUE(capturer_->GetBestCaptureFormat(desired, &capture_format_));
131  EXPECT_TRUE(desired == capture_format_);
132
133  // desired format same as the supported capture format except the fourcc
134  desired.fourcc = cricket::FOURCC_ANY;
135  EXPECT_TRUE(capturer_->GetBestCaptureFormat(desired, &capture_format_));
136  EXPECT_NE(capture_format_.fourcc, desired.fourcc);
137
138  // desired format with minimum interval
139  desired.interval = cricket::VideoFormat::kMinimumInterval;
140  EXPECT_TRUE(capturer_->GetBestCaptureFormat(desired, &capture_format_));
141}
142
143TEST_F(FileVideoCapturerTest, TestNoRepeat) {
144  EXPECT_TRUE(OpenFile("captured-320x240-2s-48.frames"));
145  VideoCapturerListener listener;
146  capturer_->SignalFrameCaptured.connect(
147      &listener, &VideoCapturerListener::OnFrameCaptured);
148  capturer_->set_repeat(0);
149  capture_format_ = capturer_->GetSupportedFormats()->at(0);
150  EXPECT_EQ(cricket::CS_RUNNING, capturer_->Start(capture_format_));
151  EXPECT_TRUE_WAIT(!capturer_->IsRunning(), 20000);
152  EXPECT_EQ(48, listener.frame_count());
153}
154
155TEST_F(FileVideoCapturerTest, TestRepeatForever) {
156  // Start the capturer_ with 50 fps and read no less than 150 frames.
157  EXPECT_TRUE(OpenFile("captured-320x240-2s-48.frames"));
158  VideoCapturerListener listener;
159  capturer_->SignalFrameCaptured.connect(
160      &listener, &VideoCapturerListener::OnFrameCaptured);
161  capturer_->set_repeat(talk_base::kForever);
162  capture_format_ = capturer_->GetSupportedFormats()->at(0);
163  capture_format_.interval = cricket::VideoFormat::FpsToInterval(50);
164  EXPECT_EQ(cricket::CS_RUNNING, capturer_->Start(capture_format_));
165  EXPECT_TRUE(NULL != capturer_->GetCaptureFormat());
166  EXPECT_TRUE(capture_format_ == *capturer_->GetCaptureFormat());
167  EXPECT_TRUE_WAIT(!capturer_->IsRunning() ||
168                   listener.frame_count() >= 150, 20000);
169  capturer_->Stop();
170  EXPECT_FALSE(capturer_->IsRunning());
171  EXPECT_GE(listener.frame_count(), 150);
172  EXPECT_FALSE(listener.resolution_changed());
173  EXPECT_EQ(listener.frame_width(), capture_format_.width);
174  EXPECT_EQ(listener.frame_height(), capture_format_.height);
175}
176
177// See: https://code.google.com/p/webrtc/issues/detail?id=2409
178TEST_F(FileVideoCapturerTest, DISABLED_TestPartialFrameHeader) {
179  EXPECT_TRUE(OpenFile("1.frame_plus_1.byte"));
180  VideoCapturerListener listener;
181  capturer_->SignalFrameCaptured.connect(
182      &listener, &VideoCapturerListener::OnFrameCaptured);
183  capturer_->set_repeat(0);
184  capture_format_ = capturer_->GetSupportedFormats()->at(0);
185  EXPECT_EQ(cricket::CS_RUNNING, capturer_->Start(capture_format_));
186  EXPECT_TRUE_WAIT(!capturer_->IsRunning(), 1000);
187  EXPECT_EQ(1, listener.frame_count());
188}
189
190TEST_F(FileVideoCapturerTest, TestFileDevices) {
191  cricket::Device not_a_file("I'm a camera", "with an id");
192  EXPECT_FALSE(
193      cricket::FileVideoCapturer::IsFileVideoCapturerDevice(not_a_file));
194  const std::string test_file =
195      cricket::GetTestFilePath("captured-320x240-2s-48.frames");
196  cricket::Device file_device =
197      cricket::FileVideoCapturer::CreateFileVideoCapturerDevice(test_file);
198  EXPECT_TRUE(
199      cricket::FileVideoCapturer::IsFileVideoCapturerDevice(file_device));
200  EXPECT_TRUE(capturer_->Init(file_device));
201  EXPECT_EQ(file_device.id, capturer_->GetId());
202}
203
204}  // unnamed namespace
205