Remove buffer duration calculation from WebMClusterParser and update SourceBufferStream accordingly

media/filters/chunk_demuxer_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/mock_callback.h"
 #include "media/base/mock_demuxer_host.h"
 #include "media/base/test_data_util.h"
@@ skipping 237 matching lines @@
   bool AppendDataInPieces(const uint8* data, size_t length, size_t piece_size) {
     const uint8* start = data;
     const uint8* end = data + length;
     while (start < end) {
       base::TimeDelta old_buffered_time = buffered_time_;
       size_t append_size = std::min(piece_size,
                                     static_cast<size_t>(end - start));
       if (!AppendData(start, append_size))
         return false;
       start += append_size;
-
-      EXPECT_GE(buffered_time_, old_buffered_time);
     }
     return true;
   }
 
   bool AppendInitSegment(bool has_audio, bool has_video,
                          bool video_content_encoded) {
     return AppendInitSegment(kSourceId, has_audio, has_video,
                              video_content_encoded);
   }
 
@@ skipping 551 matching lines @@
   AddSimpleBlock(&cb, kAudioTrackNum, 5);
   AddSimpleBlock(&cb, kVideoTrackNum, 5);
   AddSimpleBlock(&cb, kAudioTrackNum, 4);
   AddSimpleBlock(&cb, kVideoTrackNum, 7);
   scoped_ptr<Cluster> cluster(cb.Finish());
 
   EXPECT_CALL(host_, OnDemuxerError(PIPELINE_ERROR_DECODE));
   ASSERT_TRUE(AppendData(cluster->data(), cluster->size()));
 }
 
-TEST_F(ChunkDemuxerTest, TestMonotonicallyIncreasingTimestampsAcrossClusters) {
-  ASSERT_TRUE(InitDemuxer(true, true, false));
-
-  ClusterBuilder cb;
-
-  // Test monotonic increasing timestamps on a per stream
-  // basis across clusters.
-  cb.SetClusterTimecode(5);
-  AddSimpleBlock(&cb, kAudioTrackNum, 5);
-  AddSimpleBlock(&cb, kVideoTrackNum, 5);
-  scoped_ptr<Cluster> cluster_a(cb.Finish());
-
-  ASSERT_TRUE(AppendData(cluster_a->data(), cluster_a->size()));
-
-  cb.SetClusterTimecode(4);
-  AddSimpleBlock(&cb, kAudioTrackNum, 4);
-  AddSimpleBlock(&cb, kVideoTrackNum, 7);
-  scoped_ptr<Cluster> cluster_b(cb.Finish());
-
-  EXPECT_CALL(host_, OnDemuxerError(PIPELINE_ERROR_DECODE));
-  ASSERT_TRUE(AppendData(cluster_b->data(), cluster_b->size()));
-
-  // Verify that AppendData() doesn't accept more data now.
-  scoped_ptr<Cluster> cluster_c(GenerateCluster(10, 2));
-  EXPECT_FALSE(demuxer_->AppendData(kSourceId, cluster_c->data(),
-                                    cluster_c->size()));
-}
-
 // Test the case where a cluster is passed to AppendData() before
 // INFO & TRACKS data.
 TEST_F(ChunkDemuxerTest, TestClusterBeforeInitSegment) {
   EXPECT_CALL(*client_, DemuxerOpened(_));
   demuxer_->Initialize(
       &host_, NewExpectedStatusCB(DEMUXER_ERROR_COULD_NOT_OPEN));
 
   ASSERT_EQ(AddId(), ChunkDemuxer::kOk);
 
   scoped_ptr<Cluster> cluster(GenerateCluster(0, 1));
@@ skipping 598 matching lines @@
 
   // Test a simple cluster.
   scoped_ptr<Cluster> cluster_1(GenerateSingleStreamCluster(0, 132,
                                 kVideoTrackNum, kVideoBlockDuration));
 
   ASSERT_TRUE(AppendData(cluster_1->data(), cluster_1->size()));
 
   CheckExpectedRanges("{ [0,132) }");
 
   // Append a disjoint cluster to check for two separate ranges.
-  scoped_ptr<Cluster> cluster_2(GenerateSingleStreamCluster(150, 249,
+  scoped_ptr<Cluster> cluster_2(GenerateSingleStreamCluster(200, 299,
                                 kVideoTrackNum, kVideoBlockDuration));
 
   ASSERT_TRUE(AppendData(cluster_2->data(), cluster_2->size()));
 
-  CheckExpectedRanges("{ [0,132) [150,249) }");
+  CheckExpectedRanges("{ [0,132) [200,299) }");
 }
 
 TEST_F(ChunkDemuxerTest, GetBufferedRanges_AudioVideo) {
   ASSERT_TRUE(InitDemuxer(true, true, false));
 
   // Audio: 0 -> 23
   // Video: 0 -> 33
   // Buffered Range: 0 -> 23
   // Audio block duration is smaller than video block duration,
   // so the buffered ranges should correspond to the audio blocks.
   scoped_ptr<Cluster> cluster_a0(
       GenerateSingleStreamCluster(0, kAudioBlockDuration, kAudioTrackNum,
                                   kAudioBlockDuration));
 
   scoped_ptr<Cluster> cluster_v0(
       GenerateSingleStreamCluster(0, kVideoBlockDuration, kVideoTrackNum,
                                   kVideoBlockDuration));
 
   ASSERT_TRUE(AppendData(cluster_a0->data(), cluster_a0->size()));
   ASSERT_TRUE(AppendData(cluster_v0->data(), cluster_v0->size()));
 
   CheckExpectedRanges("{ [0,23) }");
 
-  // Audio: 100 -> 150
-  // Video: 120 -> 170
-  // Buffered Range: 120 -> 150  (end overlap)
+  // Audio: 300 -> 400
+  // Video: 320 -> 420
+  // Buffered Range: 320 -> 400  (end overlap)
   scoped_ptr<Cluster> cluster_a1(
-      GenerateSingleStreamCluster(100, 150, kAudioTrackNum, 50));
+      GenerateSingleStreamCluster(300, 400, kAudioTrackNum, 50));
 
   scoped_ptr<Cluster> cluster_v1(
-      GenerateSingleStreamCluster(120, 170, kVideoTrackNum, 50));
+      GenerateSingleStreamCluster(320, 420, kVideoTrackNum, 50));
 
   ASSERT_TRUE(AppendData(cluster_a1->data(), cluster_a1->size()));
   ASSERT_TRUE(AppendData(cluster_v1->data(), cluster_v1->size()));
 
-  CheckExpectedRanges("{ [0,23) [120,150) }");
+  CheckExpectedRanges("{ [0,23) [320,400) }");
 
-  // Audio: 220 -> 290
-  // Video: 200 -> 270
-  // Buffered Range: 220 -> 270  (front overlap)
+  // Audio: 520 -> 590
+  // Video: 500 -> 570
+  // Buffered Range: 520 -> 570  (front overlap)
   scoped_ptr<Cluster> cluster_a2(
-      GenerateSingleStreamCluster(220, 290, kAudioTrackNum, 70));
+      GenerateSingleStreamCluster(520, 590, kAudioTrackNum, 70));
 
   scoped_ptr<Cluster> cluster_v2(
-      GenerateSingleStreamCluster(200, 270, kVideoTrackNum, 70));
+      GenerateSingleStreamCluster(500, 570, kVideoTrackNum, 70));
 
   ASSERT_TRUE(AppendData(cluster_a2->data(), cluster_a2->size()));
   ASSERT_TRUE(AppendData(cluster_v2->data(), cluster_v2->size()));
 
-  CheckExpectedRanges("{ [0,23) [120,150) [220,270) }");
+  CheckExpectedRanges("{ [0,23) [320,400) [520,570) }");
 
-  // Audio: 320 -> 350
-  // Video: 300 -> 370
-  // Buffered Range: 320 -> 350  (complete overlap, audio)
+  // Audio: 720 -> 750
+  // Video: 700 -> 770
+  // Buffered Range: 720 -> 750  (complete overlap, audio)
   scoped_ptr<Cluster> cluster_a3(
-      GenerateSingleStreamCluster(320, 350, kAudioTrackNum, 30));
+      GenerateSingleStreamCluster(720, 750, kAudioTrackNum, 30));
 
   scoped_ptr<Cluster> cluster_v3(
-      GenerateSingleStreamCluster(300, 370, kVideoTrackNum, 70));
+      GenerateSingleStreamCluster(700, 770, kVideoTrackNum, 70));
 
   ASSERT_TRUE(AppendData(cluster_a3->data(), cluster_a3->size()));
   ASSERT_TRUE(AppendData(cluster_v3->data(), cluster_v3->size()));
 
-  CheckExpectedRanges("{ [0,23) [120,150) [220,270) [320,350) }");
+  CheckExpectedRanges("{ [0,23) [320,400) [520,570) [720,750) }");
 
-  // Audio: 400 -> 470
-  // Video: 420 -> 450
-  // Buffered Range: 420 -> 450  (complete overlap, video)
+  // Audio: 900 -> 970
+  // Video: 920 -> 950
+  // Buffered Range: 920 -> 950  (complete overlap, video)
   scoped_ptr<Cluster> cluster_a4(
-      GenerateSingleStreamCluster(400, 470, kAudioTrackNum, 70));
+      GenerateSingleStreamCluster(900, 970, kAudioTrackNum, 70));
 
   scoped_ptr<Cluster> cluster_v4(
-      GenerateSingleStreamCluster(420, 450, kVideoTrackNum, 30));
+      GenerateSingleStreamCluster(920, 950, kVideoTrackNum, 30));
 
   ASSERT_TRUE(AppendData(cluster_a4->data(), cluster_a4->size()));
   ASSERT_TRUE(AppendData(cluster_v4->data(), cluster_v4->size()));
 
-  CheckExpectedRanges("{ [0,23) [120,150) [220,270) [320,350) [420,450) }");
+  CheckExpectedRanges("{ [0,23) [320,400) [520,570) [720,750) [920,950) }");
 
   // Appending within buffered range should not affect buffered ranges.
   scoped_ptr<Cluster> cluster_a5(
-      GenerateSingleStreamCluster(430, 450, kAudioTrackNum, 20));
+      GenerateSingleStreamCluster(930, 950, kAudioTrackNum, 20));
   ASSERT_TRUE(AppendData(cluster_a5->data(), cluster_a5->size()));
-  CheckExpectedRanges("{ [0,23) [120,150) [220,270) [320,350) [420,450) }");
+  CheckExpectedRanges("{ [0,23) [320,400) [520,570) [720,750) [920,950) }");
 
   // Appending to single stream outside buffered ranges should not affect
   // buffered ranges.
   scoped_ptr<Cluster> cluster_v5(
-      GenerateSingleStreamCluster(530, 540, kVideoTrackNum, 10));
+      GenerateSingleStreamCluster(1230, 1240, kVideoTrackNum, 10));
   ASSERT_TRUE(AppendData(cluster_v5->data(), cluster_v5->size()));
-  CheckExpectedRanges("{ [0,23) [120,150) [220,270) [320,350) [420,450) }");
+  CheckExpectedRanges("{ [0,23) [320,400) [520,570) [720,750) [920,950) }");
 }
 
 // Once EndOfStream() is called, GetBufferedRanges should not cut off any
 // over-hanging tails at the end of the ranges as this is likely due to block
 // duration differences.
 TEST_F(ChunkDemuxerTest, GetBufferedRanges_EndOfStream) {
   ASSERT_TRUE(InitDemuxer(true, true, false));
 
   scoped_ptr<Cluster> cluster_a(
       GenerateSingleStreamCluster(0, 90, kAudioTrackNum, 90));
@@ skipping 72 matching lines @@
   EXPECT_EQ(demuxer_->AddId("source_id", "video/mp4", codecs), expected);
 }
 
 TEST_F(ChunkDemuxerTest, TestEndOfStreamFailures) {
   std::string audio_id = "audio";
   std::string video_id = "video";
 
   ASSERT_TRUE(InitDemuxerAudioAndVideoSources(audio_id, video_id));
 
   scoped_ptr<Cluster> cluster_a1(
-      GenerateSingleStreamCluster(0, 15, kAudioTrackNum, 15));
+      GenerateSingleStreamCluster(0, 35, kAudioTrackNum, 35));
   scoped_ptr<Cluster> cluster_v1(
-      GenerateSingleStreamCluster(0, 5, kVideoTrackNum, 5));
+      GenerateSingleStreamCluster(0, 10, kVideoTrackNum, 5));
   scoped_ptr<Cluster> cluster_v2(
-      GenerateSingleStreamCluster(5, 10, kVideoTrackNum, 5));
+      GenerateSingleStreamCluster(10, 25, kVideoTrackNum, 5));
   scoped_ptr<Cluster> cluster_v3(
-      GenerateSingleStreamCluster(10, 20, kVideoTrackNum, 10));
+      GenerateSingleStreamCluster(30, 50, kVideoTrackNum, 10));
 
   ASSERT_TRUE(AppendData(audio_id, cluster_a1->data(), cluster_a1->size()));
   ASSERT_TRUE(AppendData(video_id, cluster_v1->data(), cluster_v1->size()));
   ASSERT_TRUE(AppendData(video_id, cluster_v3->data(), cluster_v3->size()));
 
-  CheckExpectedRanges(audio_id, "{ [0,15) }");
-  CheckExpectedRanges(video_id, "{ [0,5) [10,20) }");
+  CheckExpectedRanges(audio_id, "{ [0,35) }");
+  CheckExpectedRanges(video_id, "{ [0,10) [30,50) }");
 
   // Make sure that end of stream fails because there is a gap between
   // the current position(0) and the end of the appended data.
   ASSERT_FALSE(demuxer_->EndOfStream(PIPELINE_OK));
 
   // Seek to an time that is inside the last ranges for both streams
   // and verify that the EndOfStream() is successful.
   demuxer_->StartWaitingForSeek();
-  demuxer_->Seek(base::TimeDelta::FromMilliseconds(10),
+  demuxer_->Seek(base::TimeDelta::FromMilliseconds(30),
                  NewExpectedStatusCB(PIPELINE_OK));
 
   ASSERT_TRUE(demuxer_->EndOfStream(PIPELINE_OK));
 
   // Seek back to 0 and verify that EndOfStream() fails again.
   demuxer_->StartWaitingForSeek();
   demuxer_->Seek(base::TimeDelta::FromMilliseconds(0),
                  NewExpectedStatusCB(PIPELINE_OK));
 
   ASSERT_FALSE(demuxer_->EndOfStream(PIPELINE_OK));
 
   // Append the missing range and verify that EndOfStream() succeeds now.
   ASSERT_TRUE(AppendData(video_id, cluster_v2->data(), cluster_v2->size()));
 
-  CheckExpectedRanges(audio_id, "{ [0,15) }");
-  CheckExpectedRanges(video_id, "{ [0,20) }");
+  CheckExpectedRanges(audio_id, "{ [0,35) }");
+  CheckExpectedRanges(video_id, "{ [0,50) }");
 
   ASSERT_TRUE(demuxer_->EndOfStream(PIPELINE_OK));
 }
 
 TEST_F(ChunkDemuxerTest, TestGetBufferedRangesBeforeInitSegment) {
   EXPECT_CALL(*client_, DemuxerOpened(_));
   demuxer_->Initialize(&host_, CreateInitDoneCB(PIPELINE_OK));
   ASSERT_EQ(AddId("audio", true, false), ChunkDemuxer::kOk);
   ASSERT_EQ(AddId("video", false, true), ChunkDemuxer::kOk);
 
   CheckExpectedRanges("audio", "{ }");
   CheckExpectedRanges("video", "{ }");
 }
 
 }  // namespace media