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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. | |
4 | |
5 #include <string> | |
6 #include <vector> | |
7 | |
8 #include "base/bind.h" | |
9 #include "base/callback_helpers.h" | |
10 #include "base/message_loop.h" | |
11 #include "media/base/decoder_buffer.h" | |
12 #include "media/base/decrypt_config.h" | |
13 #include "media/base/gmock_callback_support.h" | |
14 #include "media/base/mock_callback.h" | |
15 #include "media/base/mock_filters.h" | |
16 #include "media/filters/decrypting_demuxer_stream.h" | |
17 #include "media/filters/ffmpeg_decoder_unittest.h" | |
18 #include "testing/gmock/include/gmock/gmock.h" | |
19 | |
20 using ::testing::_; | |
21 using ::testing::IsNull; | |
22 using ::testing::Return; | |
23 using ::testing::ReturnRef; | |
24 using ::testing::SaveArg; | |
25 using ::testing::StrictMock; | |
26 | |
27 namespace media { | |
28 | |
29 static const int kFakeBufferSize = 16; | |
30 static const VideoFrame::Format kVideoFormat = VideoFrame::YV12; | |
31 static const gfx::Size kCodedSize(320, 240); | |
32 static const gfx::Rect kVisibleRect(320, 240); | |
33 static const gfx::Size kNaturalSize(320, 240); | |
34 static const uint8 kFakeKeyId[] = { 0x4b, 0x65, 0x79, 0x20, 0x49, 0x44 }; | |
35 static const uint8 kFakeIv[DecryptConfig::kDecryptionKeySize] = { 0 }; | |
36 | |
37 // Create a fake non-empty encrypted buffer. | |
38 static scoped_refptr<DecoderBuffer> CreateFakeEncryptedBuffer() { | |
39 scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(kFakeBufferSize)); | |
40 buffer->SetDecryptConfig(scoped_ptr<DecryptConfig>(new DecryptConfig( | |
41 std::string(reinterpret_cast<const char*>(kFakeKeyId), | |
42 arraysize(kFakeKeyId)), | |
43 std::string(reinterpret_cast<const char*>(kFakeIv), arraysize(kFakeIv)), | |
44 0, | |
45 std::vector<SubsampleEntry>()))); | |
46 return buffer; | |
47 } | |
48 | |
49 // Use anonymous namespace here to prevent the actions to be defined multiple | |
50 // times across multiple test files. Sadly we can't use static for them. | |
51 namespace { | |
52 | |
53 ACTION_P(ReturnBuffer, buffer) { | |
54 arg0.Run(buffer ? DemuxerStream::kOk : DemuxerStream::kAborted, buffer); | |
55 } | |
56 | |
57 ACTION_P(RunCallbackIfNotNull, param) { | |
58 if (!arg0.is_null()) | |
59 arg0.Run(param); | |
60 } | |
61 | |
62 ACTION_P2(ResetAndRunCallback, callback, param) { | |
63 base::ResetAndReturn(callback).Run(param); | |
64 } | |
65 | |
66 MATCHER(IsEndOfStream, "end of stream") { | |
67 return (arg->IsEndOfStream()); | |
68 } | |
69 | |
70 } // namespace | |
71 | |
72 class DecryptingDemuxerStreamTest : public testing::Test { | |
73 public: | |
74 DecryptingDemuxerStreamTest() | |
75 : demuxer_stream_(new DecryptingDemuxerStream( | |
76 base::Bind(&Identity<scoped_refptr<base::MessageLoopProxy> >, | |
77 message_loop_.message_loop_proxy()), | |
78 base::Bind( | |
79 &DecryptingDemuxerStreamTest::RequestDecryptorNotification, | |
80 base::Unretained(this)))), | |
81 decryptor_(new StrictMock<MockDecryptor>()), | |
82 input_audio_stream_(new StrictMock<MockDemuxerStream>()), | |
83 input_video_stream_(new StrictMock<MockDemuxerStream>()), | |
84 encrypted_buffer_(CreateFakeEncryptedBuffer()), | |
85 decrypted_buffer_(new DecoderBuffer(kFakeBufferSize)) { | |
86 } | |
87 | |
88 void InitializeAudioAndExpectStatus(const AudioDecoderConfig& config, | |
89 PipelineStatus status) { | |
90 EXPECT_CALL(*input_audio_stream_, audio_decoder_config()) | |
91 .WillRepeatedly(ReturnRef(config)); | |
92 EXPECT_CALL(*input_audio_stream_, type()) | |
93 .WillRepeatedly(Return(DemuxerStream::AUDIO)); | |
94 | |
95 demuxer_stream_->Initialize(input_audio_stream_, | |
96 NewExpectedStatusCB(status)); | |
97 message_loop_.RunUntilIdle(); | |
98 } | |
99 | |
100 void InitializeVideoAndExpectStatus(const VideoDecoderConfig& config, | |
101 PipelineStatus status) { | |
102 EXPECT_CALL(*input_video_stream_, video_decoder_config()) | |
103 .WillRepeatedly(ReturnRef(config)); | |
104 EXPECT_CALL(*input_video_stream_, type()) | |
105 .WillRepeatedly(Return(DemuxerStream::VIDEO)); | |
106 | |
107 demuxer_stream_->Initialize(input_video_stream_, | |
108 NewExpectedStatusCB(status)); | |
109 message_loop_.RunUntilIdle(); | |
110 } | |
111 | |
112 // The following functions are used to test stream-type-neutral logics in | |
ddorwin
2012/11/13 22:52:33
s/logics/logic/
xhwang
2012/11/14 18:01:52
Done.
| |
113 // DecryptingDemuxerStream. Therefore, we don't specify audio or video in the | |
114 // function names. But for testing purpose, they all use an audio input | |
115 // demuxer stream. | |
116 | |
117 void Initialize() { | |
118 EXPECT_CALL(*this, RequestDecryptorNotification(_)) | |
119 .WillOnce(RunCallbackIfNotNull(decryptor_.get())); | |
120 EXPECT_CALL(*decryptor_, RegisterKeyAddedCB(Decryptor::kAudio, _)) | |
121 .WillOnce(SaveArg<1>(&key_added_cb_)); | |
122 | |
123 AudioDecoderConfig input_config( | |
124 kCodecVorbis, 16, CHANNEL_LAYOUT_STEREO, 44100, NULL, 0, true); | |
125 InitializeAudioAndExpectStatus(input_config, PIPELINE_OK); | |
126 | |
127 const AudioDecoderConfig& output_config = | |
128 demuxer_stream_->audio_decoder_config(); | |
129 EXPECT_EQ(DemuxerStream::AUDIO, demuxer_stream_->type()); | |
130 EXPECT_FALSE(output_config.is_encrypted()); | |
131 EXPECT_EQ(16, output_config.bits_per_channel()); | |
132 EXPECT_EQ(CHANNEL_LAYOUT_STEREO, output_config.channel_layout()); | |
133 EXPECT_EQ(44100, output_config.samples_per_second()); | |
134 } | |
135 | |
136 void ReadAndExpectBufferReadyWith( | |
137 DemuxerStream::Status status, | |
138 const scoped_refptr<DecoderBuffer>& decrypted_buffer) { | |
139 if (status != DemuxerStream::kOk) | |
140 EXPECT_CALL(*this, BufferReady(status, IsNull())); | |
141 else if (decrypted_buffer->IsEndOfStream()) | |
142 EXPECT_CALL(*this, BufferReady(status, IsEndOfStream())); | |
143 else | |
144 EXPECT_CALL(*this, BufferReady(status, decrypted_buffer)); | |
145 | |
146 demuxer_stream_->Read(base::Bind(&DecryptingDemuxerStreamTest::BufferReady, | |
147 base::Unretained(this))); | |
148 message_loop_.RunUntilIdle(); | |
149 } | |
150 | |
151 // Sets up expectations and actions to put DecryptingDemuxerStream in an | |
152 // active normal reading state. | |
153 void EnterNormalReadingState() { | |
154 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
155 .WillOnce(ReturnBuffer(encrypted_buffer_)); | |
156 EXPECT_CALL(*decryptor_, Decrypt(_, _, _)) | |
157 .WillOnce(RunCallback<2>(Decryptor::kSuccess, decrypted_buffer_)); | |
158 | |
159 ReadAndExpectBufferReadyWith(DemuxerStream::kOk, decrypted_buffer_); | |
160 } | |
161 | |
162 // Make the read callback pending by saving and not firing it. | |
163 void EnterPendingReadState() { | |
164 EXPECT_TRUE(pending_demuxer_read_cb_.is_null()); | |
165 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
166 .WillOnce(SaveArg<0>(&pending_demuxer_read_cb_)); | |
167 demuxer_stream_->Read(base::Bind(&DecryptingDemuxerStreamTest::BufferReady, | |
168 base::Unretained(this))); | |
169 message_loop_.RunUntilIdle(); | |
170 // Make sure the Read() triggers a Read() on the input demuxer stream. | |
171 EXPECT_FALSE(pending_demuxer_read_cb_.is_null()); | |
172 } | |
173 | |
174 // Make the decrypt callback pending by saving and not firing it. | |
175 void EnterPendingDecryptState() { | |
176 EXPECT_TRUE(pending_decrypt_cb_.is_null()); | |
177 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
178 .WillRepeatedly(ReturnBuffer(encrypted_buffer_)); | |
179 EXPECT_CALL(*decryptor_, Decrypt(_, encrypted_buffer_, _)) | |
180 .WillOnce(SaveArg<2>(&pending_decrypt_cb_)); | |
181 | |
182 demuxer_stream_->Read(base::Bind(&DecryptingDemuxerStreamTest::BufferReady, | |
183 base::Unretained(this))); | |
184 message_loop_.RunUntilIdle(); | |
185 // Make sure Read() triggers a Decrypt() on the decryptor. | |
186 EXPECT_FALSE(pending_decrypt_cb_.is_null()); | |
187 } | |
188 | |
189 void EnterWaitingForKeyState() { | |
190 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
191 .WillRepeatedly(ReturnBuffer(encrypted_buffer_)); | |
192 EXPECT_CALL(*decryptor_, Decrypt(_, encrypted_buffer_, _)) | |
193 .WillRepeatedly(RunCallback<2>(Decryptor::kNoKey, | |
194 scoped_refptr<DecoderBuffer>())); | |
195 demuxer_stream_->Read(base::Bind(&DecryptingDemuxerStreamTest::BufferReady, | |
196 base::Unretained(this))); | |
197 message_loop_.RunUntilIdle(); | |
198 } | |
199 | |
200 void AbortPendingDecryptCB() { | |
201 if (!pending_decrypt_cb_.is_null()) { | |
202 base::ResetAndReturn(&pending_decrypt_cb_).Run(Decryptor::kSuccess, NULL); | |
203 } | |
204 } | |
205 | |
206 void Reset() { | |
207 EXPECT_CALL(*decryptor_, CancelDecrypt(Decryptor::kAudio)) | |
208 .WillRepeatedly(InvokeWithoutArgs( | |
209 this, &DecryptingDemuxerStreamTest::AbortPendingDecryptCB)); | |
210 | |
211 demuxer_stream_->Reset(NewExpectedClosure()); | |
212 message_loop_.RunUntilIdle(); | |
213 } | |
214 | |
215 MOCK_METHOD1(RequestDecryptorNotification, | |
216 void(const DecryptingDemuxerStream::DecryptorNotificationCB&)); | |
217 | |
218 MOCK_METHOD2(BufferReady, void(DemuxerStream::Status, | |
219 const scoped_refptr<DecoderBuffer>&)); | |
220 | |
221 MessageLoop message_loop_; | |
222 scoped_refptr<DecryptingDemuxerStream> demuxer_stream_; | |
223 scoped_ptr<StrictMock<MockDecryptor> > decryptor_; | |
224 scoped_refptr<StrictMock<MockDemuxerStream> > input_audio_stream_; | |
225 scoped_refptr<StrictMock<MockDemuxerStream> > input_video_stream_; | |
226 | |
227 DemuxerStream::ReadCB pending_demuxer_read_cb_; | |
228 Decryptor::KeyAddedCB key_added_cb_; | |
229 Decryptor::DecryptCB pending_decrypt_cb_; | |
230 | |
231 // Constant buffers to be returned by the input demuxer streams and the | |
232 // |decryptor_|. | |
233 scoped_refptr<DecoderBuffer> encrypted_buffer_; | |
234 scoped_refptr<DecoderBuffer> decrypted_buffer_; | |
235 | |
236 private: | |
237 DISALLOW_COPY_AND_ASSIGN(DecryptingDemuxerStreamTest); | |
238 }; | |
239 | |
240 TEST_F(DecryptingDemuxerStreamTest, Initialize_NormalAudio) { | |
241 Initialize(); | |
242 } | |
243 | |
244 // Ensure that DecryptingDemuxerStream only accepts encrypted audio. | |
245 TEST_F(DecryptingDemuxerStreamTest, Initialize_UnencryptedAudioConfig) { | |
246 AudioDecoderConfig config(kCodecVorbis, 16, CHANNEL_LAYOUT_STEREO, 44100, | |
247 NULL, 0, false); | |
248 | |
249 InitializeAudioAndExpectStatus(config, DEMUXER_ERROR_NO_SUPPORTED_STREAMS); | |
250 } | |
251 | |
252 // Ensure DecryptingDemuxerStream handles invalid audio config without crashing. | |
253 TEST_F(DecryptingDemuxerStreamTest, Initialize_InvalidAudioConfig) { | |
254 AudioDecoderConfig config(kUnknownAudioCodec, 0, CHANNEL_LAYOUT_STEREO, 0, | |
255 NULL, 0, true); | |
256 | |
257 InitializeAudioAndExpectStatus(config, DEMUXER_ERROR_NO_SUPPORTED_STREAMS); | |
258 } | |
259 | |
260 TEST_F(DecryptingDemuxerStreamTest, Initialize_NormalVideo) { | |
261 EXPECT_CALL(*this, RequestDecryptorNotification(_)) | |
262 .WillOnce(RunCallbackIfNotNull(decryptor_.get())); | |
263 EXPECT_CALL(*decryptor_, RegisterKeyAddedCB(Decryptor::kVideo, _)) | |
264 .WillOnce(SaveArg<1>(&key_added_cb_)); | |
265 | |
266 VideoDecoderConfig config(kCodecVP8, VIDEO_CODEC_PROFILE_UNKNOWN, | |
267 kVideoFormat, | |
268 kCodedSize, kVisibleRect, kNaturalSize, | |
269 NULL, 0, true); | |
270 InitializeVideoAndExpectStatus(config, PIPELINE_OK); | |
271 | |
272 const VideoDecoderConfig& output_config = | |
273 demuxer_stream_->video_decoder_config(); | |
274 EXPECT_EQ(DemuxerStream::VIDEO, demuxer_stream_->type()); | |
275 EXPECT_FALSE(output_config.is_encrypted()); | |
276 EXPECT_EQ(kCodecVP8, output_config.codec()); | |
277 EXPECT_EQ(kVideoFormat, output_config.format()); | |
278 EXPECT_EQ(VIDEO_CODEC_PROFILE_UNKNOWN, output_config.profile()); | |
279 EXPECT_EQ(kCodedSize, output_config.coded_size()); | |
280 EXPECT_EQ(kVisibleRect, output_config.visible_rect()); | |
281 EXPECT_EQ(kNaturalSize, output_config.natural_size()); | |
282 EXPECT_FALSE(output_config.extra_data()); | |
283 EXPECT_EQ(0u, output_config.extra_data_size()); | |
284 } | |
285 | |
286 // Ensure that DecryptingDemuxerStream only accepts encrypted video. | |
287 TEST_F(DecryptingDemuxerStreamTest, Initialize_UnencryptedVideoConfig) { | |
288 VideoDecoderConfig config(kCodecVP8, VIDEO_CODEC_PROFILE_UNKNOWN, | |
289 kVideoFormat, | |
290 kCodedSize, kVisibleRect, kNaturalSize, | |
291 NULL, 0, false); | |
292 | |
293 InitializeVideoAndExpectStatus(config, DEMUXER_ERROR_NO_SUPPORTED_STREAMS); | |
294 } | |
295 | |
296 // Ensure DecryptingDemuxerStream handles invalid video config without crashing. | |
297 TEST_F(DecryptingDemuxerStreamTest, Initialize_InvalidVideoConfig) { | |
298 VideoDecoderConfig config(kCodecVP8, VIDEO_CODEC_PROFILE_UNKNOWN, | |
299 VideoFrame::INVALID, | |
300 kCodedSize, kVisibleRect, kNaturalSize, | |
301 NULL, 0, true); | |
302 | |
303 InitializeVideoAndExpectStatus(config, DEMUXER_ERROR_NO_SUPPORTED_STREAMS); | |
304 } | |
305 | |
306 // Test normal read case. | |
307 TEST_F(DecryptingDemuxerStreamTest, Read_Normal) { | |
308 Initialize(); | |
309 EnterNormalReadingState(); | |
310 } | |
311 | |
312 // Test the case where the decryptor returns error during read. | |
313 TEST_F(DecryptingDemuxerStreamTest, Read_DecryptError) { | |
314 Initialize(); | |
315 | |
316 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
317 .WillRepeatedly(ReturnBuffer(encrypted_buffer_)); | |
318 EXPECT_CALL(*decryptor_, Decrypt(_, encrypted_buffer_, _)) | |
319 .WillRepeatedly(RunCallback<2>(Decryptor::kError, | |
320 scoped_refptr<DecoderBuffer>())); | |
321 ReadAndExpectBufferReadyWith(DemuxerStream::kAborted, NULL); | |
322 } | |
323 | |
324 // Test the case where the input is an end-of-stream buffer. | |
325 TEST_F(DecryptingDemuxerStreamTest, Read_EndOfStream) { | |
326 Initialize(); | |
327 EnterNormalReadingState(); | |
328 | |
329 // No Decryptor::Decrypt() call is expected for EOS buffer. | |
330 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
331 .WillOnce(ReturnBuffer(DecoderBuffer::CreateEOSBuffer())); | |
332 | |
333 ReadAndExpectBufferReadyWith(DemuxerStream::kOk, | |
334 DecoderBuffer::CreateEOSBuffer()); | |
335 } | |
336 | |
337 // Test the case where the a key is added when the decryptor is in | |
338 // kWaitingForKey state. | |
339 TEST_F(DecryptingDemuxerStreamTest, KeyAdded_DuringWaitingForKey) { | |
340 Initialize(); | |
341 EnterWaitingForKeyState(); | |
342 | |
343 EXPECT_CALL(*decryptor_, Decrypt(_, encrypted_buffer_, _)) | |
344 .WillRepeatedly(RunCallback<2>(Decryptor::kSuccess, decrypted_buffer_)); | |
345 EXPECT_CALL(*this, BufferReady(DemuxerStream::kOk, decrypted_buffer_)); | |
346 key_added_cb_.Run(); | |
347 message_loop_.RunUntilIdle(); | |
348 } | |
349 | |
350 // Test the case where the a key is added when the decryptor is in | |
351 // kPendingDecrypt state. | |
352 TEST_F(DecryptingDemuxerStreamTest, KeyAdded_DruingPendingDecrypt) { | |
353 Initialize(); | |
354 EnterPendingDecryptState(); | |
355 | |
356 EXPECT_CALL(*decryptor_, Decrypt(_, encrypted_buffer_, _)) | |
357 .WillRepeatedly(RunCallback<2>(Decryptor::kSuccess, decrypted_buffer_)); | |
358 EXPECT_CALL(*this, BufferReady(DemuxerStream::kOk, decrypted_buffer_)); | |
359 // The decrypt callback is returned after the correct decryption key is added. | |
360 key_added_cb_.Run(); | |
361 base::ResetAndReturn(&pending_decrypt_cb_).Run(Decryptor::kNoKey, NULL); | |
362 message_loop_.RunUntilIdle(); | |
363 } | |
364 | |
365 // Test resetting when the DecryptingDemuxerStream is in kIdle state but has | |
366 // not returned any buffer. | |
367 TEST_F(DecryptingDemuxerStreamTest, Reset_DuringIdleAfterInitialization) { | |
368 Initialize(); | |
369 Reset(); | |
370 } | |
371 | |
372 // Test resetting when the DecryptingDemuxerStream is in kIdle state after it | |
373 // has returned one buffer. | |
374 TEST_F(DecryptingDemuxerStreamTest, Reset_DuringIdleAfterReadOneBuffer) { | |
375 Initialize(); | |
376 EnterNormalReadingState(); | |
377 Reset(); | |
378 } | |
379 | |
380 // Test resetting when DecryptingDemuxerStream is in kPendingDemuxerRead state. | |
381 TEST_F(DecryptingDemuxerStreamTest, Reset_DuringPendingDemuxerRead) { | |
382 Initialize(); | |
383 EnterPendingReadState(); | |
384 | |
385 EXPECT_CALL(*this, BufferReady(DemuxerStream::kAborted, IsNull())); | |
386 | |
387 Reset(); | |
388 base::ResetAndReturn(&pending_demuxer_read_cb_).Run(DemuxerStream::kOk, | |
389 encrypted_buffer_); | |
390 message_loop_.RunUntilIdle(); | |
391 } | |
392 | |
393 // Test resetting when the DecryptingDemuxerStream is in kPendingDecrypt state. | |
394 TEST_F(DecryptingDemuxerStreamTest, Reset_DuringPendingDecrypt) { | |
395 Initialize(); | |
396 EnterPendingDecryptState(); | |
397 | |
398 EXPECT_CALL(*this, BufferReady(DemuxerStream::kAborted, IsNull())); | |
399 | |
400 Reset(); | |
401 } | |
402 | |
403 // Test resetting when the DecryptingDemuxerStream is in kWaitingForKey state. | |
404 TEST_F(DecryptingDemuxerStreamTest, Reset_DuringWaitingForKey) { | |
405 Initialize(); | |
406 EnterWaitingForKeyState(); | |
407 | |
408 EXPECT_CALL(*this, BufferReady(DemuxerStream::kAborted, IsNull())); | |
409 | |
410 Reset(); | |
411 } | |
412 | |
413 // Test resetting after the DecryptingDemuxerStream has been reset. | |
414 TEST_F(DecryptingDemuxerStreamTest, Reset_AfterReset) { | |
415 Initialize(); | |
416 EnterNormalReadingState(); | |
417 Reset(); | |
418 Reset(); | |
419 } | |
420 | |
421 // Test aborted read on the demuxer stream. | |
422 TEST_F(DecryptingDemuxerStreamTest, DemuxerRead_Aborted) { | |
423 Initialize(); | |
424 | |
425 // ReturnBuffer() with NULL triggers aborted demuxer read. | |
426 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
427 .WillOnce(ReturnBuffer(scoped_refptr<DecoderBuffer>())); | |
428 | |
429 ReadAndExpectBufferReadyWith(DemuxerStream::kAborted, NULL); | |
430 } | |
431 | |
432 // Test aborted read on the input demuxer stream when the | |
433 // DecryptingDemuxerStream is being reset. | |
434 TEST_F(DecryptingDemuxerStreamTest, DemuxerRead_AbortedDuringReset) { | |
435 Initialize(); | |
436 EnterPendingReadState(); | |
437 | |
438 // Make sure we get a NULL audio frame returned. | |
439 EXPECT_CALL(*this, BufferReady(DemuxerStream::kAborted, IsNull())); | |
440 | |
441 Reset(); | |
442 base::ResetAndReturn(&pending_demuxer_read_cb_).Run(DemuxerStream::kAborted, | |
443 NULL); | |
444 message_loop_.RunUntilIdle(); | |
445 } | |
446 | |
447 // Test config change on the input demuxer stream. | |
448 TEST_F(DecryptingDemuxerStreamTest, DemuxerRead_ConfigChanged) { | |
449 Initialize(); | |
450 | |
451 EXPECT_CALL(*input_audio_stream_, Read(_)) | |
452 .WillOnce(RunCallback<0>(DemuxerStream::kConfigChanged, | |
453 scoped_refptr<DecoderBuffer>())); | |
454 | |
455 // TODO(xhwang): Update this when kConfigChanged is supported. | |
456 ReadAndExpectBufferReadyWith(DemuxerStream::kAborted, NULL); | |
457 } | |
458 | |
459 } // namespace media | |
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