1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_
6 #define MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_
9 #include "base/message_loop/message_loop.h"
10 #include "media/audio/clockless_audio_sink.h"
11 #include "media/audio/null_audio_sink.h"
12 #include "media/base/audio_hardware_config.h"
13 #include "media/base/demuxer.h"
14 #include "media/base/filter_collection.h"
15 #include "media/base/media_keys.h"
16 #include "media/base/pipeline.h"
17 #include "media/base/video_frame.h"
18 #include "media/filters/video_renderer_impl.h"
19 #include "testing/gmock/include/gmock/gmock.h"
29 // Empty MD5 hash string. Used to verify empty video tracks.
30 extern const char kNullVideoHash[];
32 // Empty hash string. Used to verify empty audio tracks.
33 extern const char kNullAudioHash[];
35 // Dummy tick clock which advances extremely quickly (1 minute every time
36 // NowTicks() is called).
37 class DummyTickClock : public base::TickClock {
39 DummyTickClock() : now_() {}
40 virtual ~DummyTickClock() {}
41 virtual base::TimeTicks NowTicks() OVERRIDE;
46 // Integration tests for Pipeline. Real demuxers, real decoders, and
47 // base renderer implementations are used to verify pipeline functionality. The
48 // renderers used in these tests rely heavily on the AudioRendererBase &
49 // VideoRendererImpl implementations which contain a majority of the code used
50 // in the real AudioRendererImpl & SkCanvasVideoRenderer implementations used in
51 // the browser. The renderers in this test don't actually write data to a
52 // display or audio device. Both of these devices are simulated since they have
53 // little effect on verifying pipeline behavior and allow tests to run faster
55 class PipelineIntegrationTestBase {
57 PipelineIntegrationTestBase();
58 virtual ~PipelineIntegrationTestBase();
60 bool WaitUntilOnEnded();
61 PipelineStatus WaitUntilEndedOrError();
62 bool Start(const base::FilePath& file_path, PipelineStatus expected_status);
63 // Enable playback with audio and video hashing enabled, or clockless
64 // playback (audio only). Frame dropping and audio underflow will be disabled
65 // if hashing enabled to ensure consistent hashes.
66 enum kTestType { kHashed, kClockless };
67 bool Start(const base::FilePath& file_path,
68 PipelineStatus expected_status,
70 // Initialize the pipeline and ignore any status updates. Useful for testing
71 // invalid audio/video clips which don't have deterministic results.
72 bool Start(const base::FilePath& file_path);
73 bool Start(const base::FilePath& file_path, Decryptor* decryptor);
77 bool Seek(base::TimeDelta seek_time);
79 bool WaitUntilCurrentTimeIsAfter(const base::TimeDelta& wait_time);
80 scoped_ptr<FilterCollection> CreateFilterCollection(
81 const base::FilePath& file_path, Decryptor* decryptor);
83 // Returns the MD5 hash of all video frames seen. Should only be called once
84 // after playback completes. First time hashes should be generated with
85 // --video-threads=1 to ensure correctness. Pipeline must have been started
86 // with hashing enabled.
87 std::string GetVideoHash();
89 // Returns the hash of all audio frames seen. Should only be called once
90 // after playback completes. Pipeline must have been started with hashing
92 std::string GetAudioHash();
94 // Returns the time taken to render the complete audio file.
95 // Pipeline must have been started with clockless playback enabled.
96 base::TimeDelta GetAudioTime();
99 base::MessageLoop message_loop_;
100 base::MD5Context md5_context_;
101 bool hashing_enabled_;
102 bool clockless_playback_;
103 scoped_ptr<Demuxer> demuxer_;
104 scoped_ptr<DataSource> data_source_;
105 scoped_ptr<Pipeline> pipeline_;
106 scoped_refptr<NullAudioSink> audio_sink_;
107 scoped_refptr<ClocklessAudioSink> clockless_audio_sink_;
109 PipelineStatus pipeline_status_;
110 Demuxer::NeedKeyCB need_key_cb_;
111 VideoFrame::Format last_video_frame_format_;
112 DummyTickClock dummy_clock_;
113 AudioHardwareConfig hardware_config_;
114 PipelineMetadata metadata_;
116 void OnStatusCallbackChecked(PipelineStatus expected_status,
117 PipelineStatus status);
118 void OnStatusCallback(PipelineStatus status);
119 PipelineStatusCB QuitOnStatusCB(PipelineStatus expected_status);
120 void DemuxerNeedKeyCB(const std::string& type,
121 const std::vector<uint8>& init_data);
122 void set_need_key_cb(const Demuxer::NeedKeyCB& need_key_cb) {
123 need_key_cb_ = need_key_cb;
127 void OnError(PipelineStatus status);
128 void QuitAfterCurrentTimeTask(const base::TimeDelta& quit_time);
129 scoped_ptr<FilterCollection> CreateFilterCollection(
130 scoped_ptr<Demuxer> demuxer, Decryptor* decryptor);
132 void SetDecryptor(Decryptor* decryptor,
133 const DecryptorReadyCB& decryptor_ready_cb);
134 void OnVideoRendererPaint(const scoped_refptr<VideoFrame>& frame);
136 MOCK_METHOD1(OnMetadata, void(PipelineMetadata));
137 MOCK_METHOD0(OnPrerollCompleted, void());
142 #endif // MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_