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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/basictypes.h" | 5 #include "base/basictypes.h" |
6 #include "base/logging.h" | 6 #include "base/logging.h" |
7 #include "base/memory/scoped_ptr.h" | 7 #include "base/memory/scoped_ptr.h" |
8 #include "media/mp4/box_definitions.h" | 8 #include "media/mp4/box_definitions.h" |
9 #include "media/mp4/rcheck.h" | 9 #include "media/mp4/rcheck.h" |
10 #include "media/mp4/track_run_iterator.h" | 10 #include "media/mp4/track_run_iterator.h" |
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41 namespace mp4 { | 41 namespace mp4 { |
42 | 42 |
43 class TrackRunIteratorTest : public testing::Test { | 43 class TrackRunIteratorTest : public testing::Test { |
44 public: | 44 public: |
45 TrackRunIteratorTest() { | 45 TrackRunIteratorTest() { |
46 CreateMovie(); | 46 CreateMovie(); |
47 } | 47 } |
48 | 48 |
49 protected: | 49 protected: |
50 Movie moov_; | 50 Movie moov_; |
| 51 LogCB log_cb_; |
51 scoped_ptr<TrackRunIterator> iter_; | 52 scoped_ptr<TrackRunIterator> iter_; |
52 | 53 |
53 void CreateMovie() { | 54 void CreateMovie() { |
54 moov_.header.timescale = 1000; | 55 moov_.header.timescale = 1000; |
55 moov_.tracks.resize(3); | 56 moov_.tracks.resize(3); |
56 moov_.extends.tracks.resize(2); | 57 moov_.extends.tracks.resize(2); |
57 moov_.tracks[0].header.track_id = 1; | 58 moov_.tracks[0].header.track_id = 1; |
58 moov_.tracks[0].media.header.timescale = kAudioScale; | 59 moov_.tracks[0].media.header.timescale = kAudioScale; |
59 SampleDescription& desc1 = | 60 SampleDescription& desc1 = |
60 moov_.tracks[0].media.information.sample_table.description; | 61 moov_.tracks[0].media.information.sample_table.description; |
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146 } | 147 } |
147 | 148 |
148 void SetAscending(std::vector<uint32>* vec) { | 149 void SetAscending(std::vector<uint32>* vec) { |
149 vec->resize(10); | 150 vec->resize(10); |
150 for (size_t i = 0; i < vec->size(); i++) | 151 for (size_t i = 0; i < vec->size(); i++) |
151 (*vec)[i] = i+1; | 152 (*vec)[i] = i+1; |
152 } | 153 } |
153 }; | 154 }; |
154 | 155 |
155 TEST_F(TrackRunIteratorTest, NoRunsTest) { | 156 TEST_F(TrackRunIteratorTest, NoRunsTest) { |
156 iter_.reset(new TrackRunIterator(&moov_)); | 157 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
157 ASSERT_TRUE(iter_->Init(MovieFragment())); | 158 ASSERT_TRUE(iter_->Init(MovieFragment())); |
158 EXPECT_FALSE(iter_->IsRunValid()); | 159 EXPECT_FALSE(iter_->IsRunValid()); |
159 EXPECT_FALSE(iter_->IsSampleValid()); | 160 EXPECT_FALSE(iter_->IsSampleValid()); |
160 } | 161 } |
161 | 162 |
162 TEST_F(TrackRunIteratorTest, BasicOperationTest) { | 163 TEST_F(TrackRunIteratorTest, BasicOperationTest) { |
163 iter_.reset(new TrackRunIterator(&moov_)); | 164 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
164 MovieFragment moof = CreateFragment(); | 165 MovieFragment moof = CreateFragment(); |
165 | 166 |
166 // Test that runs are sorted correctly, and that properties of the initial | 167 // Test that runs are sorted correctly, and that properties of the initial |
167 // sample of the first run are correct | 168 // sample of the first run are correct |
168 ASSERT_TRUE(iter_->Init(moof)); | 169 ASSERT_TRUE(iter_->Init(moof)); |
169 EXPECT_TRUE(iter_->IsRunValid()); | 170 EXPECT_TRUE(iter_->IsRunValid()); |
170 EXPECT_FALSE(iter_->is_encrypted()); | 171 EXPECT_FALSE(iter_->is_encrypted()); |
171 EXPECT_EQ(iter_->track_id(), 1u); | 172 EXPECT_EQ(iter_->track_id(), 1u); |
172 EXPECT_EQ(iter_->sample_offset(), 100); | 173 EXPECT_EQ(iter_->sample_offset(), 100); |
173 EXPECT_EQ(iter_->sample_size(), 1); | 174 EXPECT_EQ(iter_->sample_size(), 1); |
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211 iter_->sample_offset()); | 212 iter_->sample_offset()); |
212 iter_->AdvanceRun(); | 213 iter_->AdvanceRun(); |
213 EXPECT_FALSE(iter_->IsRunValid()); | 214 EXPECT_FALSE(iter_->IsRunValid()); |
214 } | 215 } |
215 | 216 |
216 TEST_F(TrackRunIteratorTest, TrackExtendsDefaultsTest) { | 217 TEST_F(TrackRunIteratorTest, TrackExtendsDefaultsTest) { |
217 moov_.extends.tracks[0].default_sample_duration = 50; | 218 moov_.extends.tracks[0].default_sample_duration = 50; |
218 moov_.extends.tracks[0].default_sample_size = 3; | 219 moov_.extends.tracks[0].default_sample_size = 3; |
219 moov_.extends.tracks[0].default_sample_flags = | 220 moov_.extends.tracks[0].default_sample_flags = |
220 kSampleIsDifferenceSampleFlagMask; | 221 kSampleIsDifferenceSampleFlagMask; |
221 iter_.reset(new TrackRunIterator(&moov_)); | 222 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
222 MovieFragment moof = CreateFragment(); | 223 MovieFragment moof = CreateFragment(); |
223 moof.tracks[0].header.has_default_sample_flags = false; | 224 moof.tracks[0].header.has_default_sample_flags = false; |
224 moof.tracks[0].header.default_sample_size = 0; | 225 moof.tracks[0].header.default_sample_size = 0; |
225 moof.tracks[0].header.default_sample_duration = 0; | 226 moof.tracks[0].header.default_sample_duration = 0; |
226 moof.tracks[0].runs[0].sample_sizes.clear(); | 227 moof.tracks[0].runs[0].sample_sizes.clear(); |
227 ASSERT_TRUE(iter_->Init(moof)); | 228 ASSERT_TRUE(iter_->Init(moof)); |
228 iter_->AdvanceSample(); | 229 iter_->AdvanceSample(); |
229 EXPECT_FALSE(iter_->is_keyframe()); | 230 EXPECT_FALSE(iter_->is_keyframe()); |
230 EXPECT_EQ(iter_->sample_size(), 3); | 231 EXPECT_EQ(iter_->sample_size(), 3); |
231 EXPECT_EQ(iter_->sample_offset(), moof.tracks[0].runs[0].data_offset + 3); | 232 EXPECT_EQ(iter_->sample_offset(), moof.tracks[0].runs[0].data_offset + 3); |
232 EXPECT_EQ(iter_->duration(), TimeDeltaFromRational(50, kAudioScale)); | 233 EXPECT_EQ(iter_->duration(), TimeDeltaFromRational(50, kAudioScale)); |
233 EXPECT_EQ(iter_->dts(), TimeDeltaFromRational(50, kAudioScale)); | 234 EXPECT_EQ(iter_->dts(), TimeDeltaFromRational(50, kAudioScale)); |
234 } | 235 } |
235 | 236 |
236 TEST_F(TrackRunIteratorTest, FirstSampleFlagTest) { | 237 TEST_F(TrackRunIteratorTest, FirstSampleFlagTest) { |
237 // Ensure that keyframes are flagged correctly in the face of BMFF boxes which | 238 // Ensure that keyframes are flagged correctly in the face of BMFF boxes which |
238 // explicitly specify the flags for the first sample in a run and rely on | 239 // explicitly specify the flags for the first sample in a run and rely on |
239 // defaults for all subsequent samples | 240 // defaults for all subsequent samples |
240 iter_.reset(new TrackRunIterator(&moov_)); | 241 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
241 MovieFragment moof = CreateFragment(); | 242 MovieFragment moof = CreateFragment(); |
242 moof.tracks[1].header.has_default_sample_flags = true; | 243 moof.tracks[1].header.has_default_sample_flags = true; |
243 moof.tracks[1].header.default_sample_flags = | 244 moof.tracks[1].header.default_sample_flags = |
244 kSampleIsDifferenceSampleFlagMask; | 245 kSampleIsDifferenceSampleFlagMask; |
245 moof.tracks[1].runs[0].sample_flags.resize(1); | 246 moof.tracks[1].runs[0].sample_flags.resize(1); |
246 ASSERT_TRUE(iter_->Init(moof)); | 247 ASSERT_TRUE(iter_->Init(moof)); |
247 iter_->AdvanceRun(); | 248 iter_->AdvanceRun(); |
248 EXPECT_TRUE(iter_->is_keyframe()); | 249 EXPECT_TRUE(iter_->is_keyframe()); |
249 iter_->AdvanceSample(); | 250 iter_->AdvanceSample(); |
250 EXPECT_FALSE(iter_->is_keyframe()); | 251 EXPECT_FALSE(iter_->is_keyframe()); |
251 } | 252 } |
252 | 253 |
253 TEST_F(TrackRunIteratorTest, MinDecodeTest) { | 254 TEST_F(TrackRunIteratorTest, MinDecodeTest) { |
254 iter_.reset(new TrackRunIterator(&moov_)); | 255 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
255 MovieFragment moof = CreateFragment(); | 256 MovieFragment moof = CreateFragment(); |
256 moof.tracks[0].decode_time.decode_time = kAudioScale; | 257 moof.tracks[0].decode_time.decode_time = kAudioScale; |
257 ASSERT_TRUE(iter_->Init(moof)); | 258 ASSERT_TRUE(iter_->Init(moof)); |
258 EXPECT_EQ(TimeDeltaFromRational(moof.tracks[1].decode_time.decode_time, | 259 EXPECT_EQ(TimeDeltaFromRational(moof.tracks[1].decode_time.decode_time, |
259 kVideoScale), | 260 kVideoScale), |
260 iter_->GetMinDecodeTimestamp()); | 261 iter_->GetMinDecodeTimestamp()); |
261 } | 262 } |
262 | 263 |
263 TEST_F(TrackRunIteratorTest, ReorderingTest) { | 264 TEST_F(TrackRunIteratorTest, ReorderingTest) { |
264 // Test frame reordering and edit list support. The frames have the following | 265 // Test frame reordering and edit list support. The frames have the following |
265 // decode timestamps: | 266 // decode timestamps: |
266 // | 267 // |
267 // 0ms 40ms 120ms 240ms | 268 // 0ms 40ms 120ms 240ms |
268 // | 0 | 1 - | 2 - - | | 269 // | 0 | 1 - | 2 - - | |
269 // | 270 // |
270 // ...and these composition timestamps, after edit list adjustment: | 271 // ...and these composition timestamps, after edit list adjustment: |
271 // | 272 // |
272 // 0ms 40ms 160ms 240ms | 273 // 0ms 40ms 160ms 240ms |
273 // | 0 | 2 - - | 1 - | | 274 // | 0 | 2 - - | 1 - | |
274 | 275 |
275 // Create an edit list with one entry, with an initial start time of 80ms | 276 // Create an edit list with one entry, with an initial start time of 80ms |
276 // (that is, 2 / kVideoTimescale) and a duration of zero (which is treated as | 277 // (that is, 2 / kVideoTimescale) and a duration of zero (which is treated as |
277 // infinite according to 14496-12:2012). This will cause the first 80ms of the | 278 // infinite according to 14496-12:2012). This will cause the first 80ms of the |
278 // media timeline - which will be empty, due to CTS biasing - to be discarded. | 279 // media timeline - which will be empty, due to CTS biasing - to be discarded. |
279 iter_.reset(new TrackRunIterator(&moov_)); | 280 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
280 EditListEntry entry; | 281 EditListEntry entry; |
281 entry.segment_duration = 0; | 282 entry.segment_duration = 0; |
282 entry.media_time = 2; | 283 entry.media_time = 2; |
283 entry.media_rate_integer = 1; | 284 entry.media_rate_integer = 1; |
284 entry.media_rate_fraction = 0; | 285 entry.media_rate_fraction = 0; |
285 moov_.tracks[1].edit.list.edits.push_back(entry); | 286 moov_.tracks[1].edit.list.edits.push_back(entry); |
286 | 287 |
287 // Add CTS offsets. Without bias, the CTS offsets for the first three frames | 288 // Add CTS offsets. Without bias, the CTS offsets for the first three frames |
288 // would simply be [0, 3, -2]. Since CTS offsets should be non-negative for | 289 // would simply be [0, 3, -2]. Since CTS offsets should be non-negative for |
289 // maximum compatibility, these values are biased up to [2, 5, 0], and the | 290 // maximum compatibility, these values are biased up to [2, 5, 0], and the |
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306 EXPECT_EQ(iter_->dts(), TimeDeltaFromRational(1, kVideoScale)); | 307 EXPECT_EQ(iter_->dts(), TimeDeltaFromRational(1, kVideoScale)); |
307 EXPECT_EQ(iter_->cts(), TimeDeltaFromRational(4, kVideoScale)); | 308 EXPECT_EQ(iter_->cts(), TimeDeltaFromRational(4, kVideoScale)); |
308 EXPECT_EQ(iter_->duration(), TimeDeltaFromRational(2, kVideoScale)); | 309 EXPECT_EQ(iter_->duration(), TimeDeltaFromRational(2, kVideoScale)); |
309 iter_->AdvanceSample(); | 310 iter_->AdvanceSample(); |
310 EXPECT_EQ(iter_->dts(), TimeDeltaFromRational(3, kVideoScale)); | 311 EXPECT_EQ(iter_->dts(), TimeDeltaFromRational(3, kVideoScale)); |
311 EXPECT_EQ(iter_->cts(), TimeDeltaFromRational(1, kVideoScale)); | 312 EXPECT_EQ(iter_->cts(), TimeDeltaFromRational(1, kVideoScale)); |
312 EXPECT_EQ(iter_->duration(), TimeDeltaFromRational(3, kVideoScale)); | 313 EXPECT_EQ(iter_->duration(), TimeDeltaFromRational(3, kVideoScale)); |
313 } | 314 } |
314 | 315 |
315 TEST_F(TrackRunIteratorTest, IgnoreUnknownAuxInfoTest) { | 316 TEST_F(TrackRunIteratorTest, IgnoreUnknownAuxInfoTest) { |
316 iter_.reset(new TrackRunIterator(&moov_)); | 317 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
317 MovieFragment moof = CreateFragment(); | 318 MovieFragment moof = CreateFragment(); |
318 moof.tracks[1].auxiliary_offset.offsets.push_back(50); | 319 moof.tracks[1].auxiliary_offset.offsets.push_back(50); |
319 moof.tracks[1].auxiliary_size.default_sample_info_size = 2; | 320 moof.tracks[1].auxiliary_size.default_sample_info_size = 2; |
320 moof.tracks[1].auxiliary_size.sample_count = 2; | 321 moof.tracks[1].auxiliary_size.sample_count = 2; |
321 moof.tracks[1].runs[0].sample_count = 2; | 322 moof.tracks[1].runs[0].sample_count = 2; |
322 ASSERT_TRUE(iter_->Init(moof)); | 323 ASSERT_TRUE(iter_->Init(moof)); |
323 iter_->AdvanceRun(); | 324 iter_->AdvanceRun(); |
324 EXPECT_FALSE(iter_->AuxInfoNeedsToBeCached()); | 325 EXPECT_FALSE(iter_->AuxInfoNeedsToBeCached()); |
325 } | 326 } |
326 | 327 |
327 TEST_F(TrackRunIteratorTest, DecryptConfigTest) { | 328 TEST_F(TrackRunIteratorTest, DecryptConfigTest) { |
328 AddEncryption(&moov_.tracks[1]); | 329 AddEncryption(&moov_.tracks[1]); |
329 iter_.reset(new TrackRunIterator(&moov_)); | 330 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
330 | 331 |
331 MovieFragment moof = CreateFragment(); | 332 MovieFragment moof = CreateFragment(); |
332 AddAuxInfoHeaders(50, &moof.tracks[1]); | 333 AddAuxInfoHeaders(50, &moof.tracks[1]); |
333 | 334 |
334 ASSERT_TRUE(iter_->Init(moof)); | 335 ASSERT_TRUE(iter_->Init(moof)); |
335 | 336 |
336 // The run for track 2 will be first, since its aux info offset is the first | 337 // The run for track 2 will be first, since its aux info offset is the first |
337 // element in the file. | 338 // element in the file. |
338 EXPECT_EQ(iter_->track_id(), 2u); | 339 EXPECT_EQ(iter_->track_id(), 2u); |
339 EXPECT_TRUE(iter_->is_encrypted()); | 340 EXPECT_TRUE(iter_->is_encrypted()); |
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359 config = iter_->GetDecryptConfig(); | 360 config = iter_->GetDecryptConfig(); |
360 EXPECT_EQ(config->subsamples().size(), 2u); | 361 EXPECT_EQ(config->subsamples().size(), 2u); |
361 EXPECT_EQ(config->subsamples()[0].clear_bytes, 1u); | 362 EXPECT_EQ(config->subsamples()[0].clear_bytes, 1u); |
362 EXPECT_EQ(config->subsamples()[1].cypher_bytes, 4u); | 363 EXPECT_EQ(config->subsamples()[1].cypher_bytes, 4u); |
363 } | 364 } |
364 | 365 |
365 // It is legal for aux info blocks to be shared among multiple formats. | 366 // It is legal for aux info blocks to be shared among multiple formats. |
366 TEST_F(TrackRunIteratorTest, SharedAuxInfoTest) { | 367 TEST_F(TrackRunIteratorTest, SharedAuxInfoTest) { |
367 AddEncryption(&moov_.tracks[0]); | 368 AddEncryption(&moov_.tracks[0]); |
368 AddEncryption(&moov_.tracks[1]); | 369 AddEncryption(&moov_.tracks[1]); |
369 iter_.reset(new TrackRunIterator(&moov_)); | 370 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
370 | 371 |
371 MovieFragment moof = CreateFragment(); | 372 MovieFragment moof = CreateFragment(); |
372 moof.tracks[0].runs.resize(1); | 373 moof.tracks[0].runs.resize(1); |
373 AddAuxInfoHeaders(50, &moof.tracks[0]); | 374 AddAuxInfoHeaders(50, &moof.tracks[0]); |
374 AddAuxInfoHeaders(50, &moof.tracks[1]); | 375 AddAuxInfoHeaders(50, &moof.tracks[1]); |
375 moof.tracks[0].auxiliary_size.default_sample_info_size = 8; | 376 moof.tracks[0].auxiliary_size.default_sample_info_size = 8; |
376 | 377 |
377 ASSERT_TRUE(iter_->Init(moof)); | 378 ASSERT_TRUE(iter_->Init(moof)); |
378 EXPECT_EQ(iter_->track_id(), 1u); | 379 EXPECT_EQ(iter_->track_id(), 1u); |
379 EXPECT_EQ(iter_->aux_info_offset(), 50); | 380 EXPECT_EQ(iter_->aux_info_offset(), 50); |
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401 // unreasonable behavior demonstrated here: | 402 // unreasonable behavior demonstrated here: |
402 // byte 50: track 2, run 1 aux info | 403 // byte 50: track 2, run 1 aux info |
403 // byte 100: track 1, run 1 data | 404 // byte 100: track 1, run 1 data |
404 // byte 200: track 2, run 1 data | 405 // byte 200: track 2, run 1 data |
405 // byte 201: track 1, run 2 aux info (*inside* track 2, run 1 data) | 406 // byte 201: track 1, run 2 aux info (*inside* track 2, run 1 data) |
406 // byte 10000: track 1, run 2 data | 407 // byte 10000: track 1, run 2 data |
407 // byte 20000: track 1, run 1 aux info | 408 // byte 20000: track 1, run 1 aux info |
408 TEST_F(TrackRunIteratorTest, UnexpectedOrderingTest) { | 409 TEST_F(TrackRunIteratorTest, UnexpectedOrderingTest) { |
409 AddEncryption(&moov_.tracks[0]); | 410 AddEncryption(&moov_.tracks[0]); |
410 AddEncryption(&moov_.tracks[1]); | 411 AddEncryption(&moov_.tracks[1]); |
411 iter_.reset(new TrackRunIterator(&moov_)); | 412 iter_.reset(new TrackRunIterator(&moov_, log_cb_)); |
412 | 413 |
413 MovieFragment moof = CreateFragment(); | 414 MovieFragment moof = CreateFragment(); |
414 AddAuxInfoHeaders(20000, &moof.tracks[0]); | 415 AddAuxInfoHeaders(20000, &moof.tracks[0]); |
415 moof.tracks[0].auxiliary_offset.offsets.push_back(201); | 416 moof.tracks[0].auxiliary_offset.offsets.push_back(201); |
416 moof.tracks[0].auxiliary_size.sample_count += 2; | 417 moof.tracks[0].auxiliary_size.sample_count += 2; |
417 moof.tracks[0].auxiliary_size.default_sample_info_size = 8; | 418 moof.tracks[0].auxiliary_size.default_sample_info_size = 8; |
418 moof.tracks[0].runs[1].sample_count = 2; | 419 moof.tracks[0].runs[1].sample_count = 2; |
419 AddAuxInfoHeaders(50, &moof.tracks[1]); | 420 AddAuxInfoHeaders(50, &moof.tracks[1]); |
420 moof.tracks[1].runs[0].sample_sizes[0] = 5; | 421 moof.tracks[1].runs[0].sample_sizes[0] = 5; |
421 | 422 |
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437 EXPECT_EQ(iter_->track_id(), 1u); | 438 EXPECT_EQ(iter_->track_id(), 1u); |
438 EXPECT_EQ(iter_->aux_info_offset(), 201); | 439 EXPECT_EQ(iter_->aux_info_offset(), 201); |
439 EXPECT_EQ(iter_->sample_offset(), 10000); | 440 EXPECT_EQ(iter_->sample_offset(), 10000); |
440 EXPECT_EQ(iter_->GetMaxClearOffset(), 201); | 441 EXPECT_EQ(iter_->GetMaxClearOffset(), 201); |
441 EXPECT_TRUE(iter_->CacheAuxInfo(kAuxInfo, arraysize(kAuxInfo))); | 442 EXPECT_TRUE(iter_->CacheAuxInfo(kAuxInfo, arraysize(kAuxInfo))); |
442 EXPECT_EQ(iter_->GetMaxClearOffset(), 10000); | 443 EXPECT_EQ(iter_->GetMaxClearOffset(), 10000); |
443 } | 444 } |
444 | 445 |
445 } // namespace mp4 | 446 } // namespace mp4 |
446 } // namespace media | 447 } // namespace media |
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