Remove files and comments related to MP4Reader

The MP4Reader no longer exists in the tree.

4 files changed, 1 insertions, 222 deletions

diff --git a/dom/media/fmp4/MP4Stream.cpp b/dom/media/fmp4/MP4Stream.cpp
index 615a7dc01..9a79cac7a 100644
--- a/dom/media/fmp4/MP4Stream.cpp
+++ b/dom/media/fmp4/MP4Stream.cpp
@@ -48,9 +48,6 @@ MP4Stream::BlockingReadIntoCache(int64_t aOffset, size_t aCount, Monitor* aToUnl
   return true;
 }
 
-// We surreptitiously reimplement the supposedly-blocking ReadAt as a non-
-// blocking CachedReadAt, and record when it fails. This allows MP4Reader
-// to retry the read as an actual blocking read without holding the lock.
 bool
 MP4Stream::ReadAt(int64_t aOffset, void* aBuffer, size_t aCount,
                   size_t* aBytesRead)
diff --git a/dom/media/gtest/TestMP4Reader.cpp b/dom/media/gtest/TestMP4Reader.cpp
deleted file mode 100644
index f08f7a40d..000000000
--- a/dom/media/gtest/TestMP4Reader.cpp
+++ /dev/null
@@ -1,217 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "gtest/gtest.h"
-#include "MP4Reader.h"
-#include "MP4Decoder.h"
-#include "mozilla/SharedThreadPool.h"
-#include "MockMediaResource.h"
-#include "MockMediaDecoderOwner.h"
-#include "mozilla/Preferences.h"
-#include "TimeUnits.h"
-
-using namespace mozilla;
-using namespace mozilla::dom;
-
-class TestBinding
-{
-public:
-  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TestBinding);
-
-  RefPtr<MP4Decoder> decoder;
-  RefPtr<MockMediaResource> resource;
-  RefPtr<MP4Reader> reader;
-
-  explicit TestBinding(const char* aFileName = "gizmo.mp4")
-    : decoder(new MP4Decoder())
-    , resource(new MockMediaResource(aFileName))
-    , reader(new MP4Reader(decoder))
-  {
-    EXPECT_EQ(NS_OK, Preferences::SetBool(
-                       "media.use-blank-decoder", true));
-
-    EXPECT_EQ(NS_OK, resource->Open(nullptr));
-    decoder->SetResource(resource);
-
-    reader->Init(nullptr);
-    // This needs to be done before invoking GetBuffered. This is normally
-    // done by MediaDecoderStateMachine.
-    reader->DispatchSetStartTime(0);
-  }
-
-  void Init() {
-    nsCOMPtr<nsIThread> thread;
-    nsCOMPtr<nsIRunnable> r = NewRunnableMethod(this, &TestBinding::ReadMetadata);
-    nsresult rv = NS_NewThread(getter_AddRefs(thread), r);
-    EXPECT_EQ(NS_OK, rv);
-    thread->Shutdown();
-  }
-
-private:
-  virtual ~TestBinding()
-  {
-    {
-      RefPtr<TaskQueue> queue = reader->OwnerThread();
-      nsCOMPtr<nsIRunnable> task = NewRunnableMethod(reader, &MP4Reader::Shutdown);
-      // Hackily bypass the tail dispatcher so that we can AwaitShutdownAndIdle.
-      // In production code we'd use BeginShutdown + promises.
-      queue->Dispatch(task.forget(), AbstractThread::AssertDispatchSuccess,
-                      AbstractThread::TailDispatch);
-      queue->AwaitShutdownAndIdle();
-    }
-    decoder = nullptr;
-    resource = nullptr;
-    reader = nullptr;
-    SharedThreadPool::SpinUntilEmpty();
-  }
-
-  void ReadMetadata()
-  {
-    MediaInfo info;
-    MetadataTags* tags;
-    EXPECT_EQ(NS_OK, reader->ReadMetadata(&info, &tags));
-  }
-};
-
-TEST(MP4Reader, BufferedRange)
-{
-  RefPtr<TestBinding> b = new TestBinding();
-  b->Init();
-
-  // Video 3-4 sec, audio 2.986666-4.010666 sec
-  b->resource->MockAddBufferedRange(248400, 327455);
-
-  media::TimeIntervals ranges = b->reader->GetBuffered();
-  EXPECT_EQ(1U, ranges.Length());
-  EXPECT_NEAR(270000 / 90000.0, ranges.Start(0).ToSeconds(), 0.000001);
-  EXPECT_NEAR(360000 / 90000.0, ranges.End(0).ToSeconds(), 0.000001);
-}
-
-TEST(MP4Reader, BufferedRangeMissingLastByte)
-{
-  RefPtr<TestBinding> b = new TestBinding();
-  b->Init();
-
-  // Dropping the last byte of the video
-  b->resource->MockClearBufferedRanges();
-  b->resource->MockAddBufferedRange(248400, 324912);
-  b->resource->MockAddBufferedRange(324913, 327455);
-
-  media::TimeIntervals ranges = b->reader->GetBuffered();
-  EXPECT_EQ(1U, ranges.Length());
-  EXPECT_NEAR(270000.0 / 90000.0, ranges.Start(0).ToSeconds(), 0.000001);
-  EXPECT_NEAR(357000 / 90000.0, ranges.End(0).ToSeconds(), 0.000001);
-}
-
-TEST(MP4Reader, BufferedRangeSyncFrame)
-{
-  RefPtr<TestBinding> b = new TestBinding();
-  b->Init();
-
-  // Check that missing the first byte at 2 seconds skips right through to 3
-  // seconds because of a missing sync frame
-  b->resource->MockClearBufferedRanges();
-  b->resource->MockAddBufferedRange(146336, 327455);
-
-  media::TimeIntervals ranges = b->reader->GetBuffered();
-  EXPECT_EQ(1U, ranges.Length());
-  EXPECT_NEAR(270000.0 / 90000.0, ranges.Start(0).ToSeconds(), 0.000001);
-  EXPECT_NEAR(360000 / 90000.0, ranges.End(0).ToSeconds(), 0.000001);
-}
-
-TEST(MP4Reader, CompositionOrder)
-{
-  RefPtr<TestBinding> b = new TestBinding("mediasource_test.mp4");
-  b->Init();
-
-  // The first 5 video samples of this file are:
-  // Video timescale=2500
-  // Frame Start  Size  Time  Duration  Sync
-  //     1    48  5455   166        83  Yes
-  //     2  5503   145   249        83
-  //     3  6228   575   581        83
-  //     4  7383   235   415        83
-  //     5  8779   183   332        83
-  //     6  9543   191   498        83
-  //
-  // Audio timescale=44100
-  //     1  5648   580     0      1024  Yes
-  //     2  6803   580  1024      1058  Yes
-  //     3  7618   581  2082      1014  Yes
-  //     4  8199   580  3096      1015  Yes
-  //     5  8962   581  4111      1014  Yes
-  //     6  9734   580  5125      1014  Yes
-  //     7 10314   581  6139      1059  Yes
-  //     8 11207   580  7198      1014  Yes
-  //     9 12035   581  8212      1014  Yes
-  //    10 12616   580  9226      1015  Yes
-  //    11 13220   581  10241     1014  Yes
-
-  b->resource->MockClearBufferedRanges();
-  // First two frames in decoding + first audio frame
-  b->resource->MockAddBufferedRange(48, 5503);   // Video 1
-  b->resource->MockAddBufferedRange(5503, 5648); // Video 2
-  b->resource->MockAddBufferedRange(6228, 6803); // Video 3
-
-  // Audio - 5 frames; 0 - 139206 us
-  b->resource->MockAddBufferedRange(5648, 6228);
-  b->resource->MockAddBufferedRange(6803, 7383);
-  b->resource->MockAddBufferedRange(7618, 8199);
-  b->resource->MockAddBufferedRange(8199, 8779);
-  b->resource->MockAddBufferedRange(8962, 9563);
-  b->resource->MockAddBufferedRange(9734, 10314);
-  b->resource->MockAddBufferedRange(10314, 10895);
-  b->resource->MockAddBufferedRange(11207, 11787);
-  b->resource->MockAddBufferedRange(12035, 12616);
-  b->resource->MockAddBufferedRange(12616, 13196);
-  b->resource->MockAddBufferedRange(13220, 13901);
-
-  media::TimeIntervals ranges = b->reader->GetBuffered();
-  EXPECT_EQ(2U, ranges.Length());
-
-  EXPECT_NEAR(166.0 / 2500.0, ranges.Start(0).ToSeconds(), 0.000001);
-  EXPECT_NEAR(332.0 / 2500.0, ranges.End(0).ToSeconds(), 0.000001);
-
-  EXPECT_NEAR(581.0 / 2500.0, ranges.Start(1).ToSeconds(), 0.000001);
-  EXPECT_NEAR(11255.0 / 44100.0, ranges.End(1).ToSeconds(), 0.000001);
-}
-
-TEST(MP4Reader, Normalised)
-{
-  RefPtr<TestBinding> b = new TestBinding("mediasource_test.mp4");
-  b->Init();
-
-  // The first 5 video samples of this file are:
-  // Video timescale=2500
-  // Frame Start  Size  Time  Duration  Sync
-  //     1    48  5455   166        83  Yes
-  //     2  5503   145   249        83
-  //     3  6228   575   581        83
-  //     4  7383   235   415        83
-  //     5  8779   183   332        83
-  //     6  9543   191   498        83
-  //
-  // Audio timescale=44100
-  //     1  5648   580     0      1024  Yes
-  //     2  6803   580  1024      1058  Yes
-  //     3  7618   581  2082      1014  Yes
-  //     4  8199   580  3096      1015  Yes
-  //     5  8962   581  4111      1014  Yes
-  //     6  9734   580  5125      1014  Yes
-  //     7 10314   581  6139      1059  Yes
-  //     8 11207   580  7198      1014  Yes
-  //     9 12035   581  8212      1014  Yes
-  //    10 12616   580  9226      1015  Yes
-  //    11 13220   581  10241     1014  Yes
-
-  b->resource->MockClearBufferedRanges();
-  b->resource->MockAddBufferedRange(48, 13901);
-
-  media::TimeIntervals ranges = b->reader->GetBuffered();
-  EXPECT_EQ(1U, ranges.Length());
-
-  EXPECT_NEAR(166.0 / 2500.0, ranges.Start(0).ToSeconds(), 0.000001);
-  EXPECT_NEAR(11255.0 / 44100.0, ranges.End(0).ToSeconds(), 0.000001);
-}
diff --git a/dom/media/gtest/moz.build b/dom/media/gtest/moz.build
index d5d02bced..a7ea73807 100644
--- a/dom/media/gtest/moz.build
+++ b/dom/media/gtest/moz.build
@@ -21,7 +21,6 @@ UNIFIED_SOURCES += [
     'TestMozPromise.cpp',
     'TestMP3Demuxer.cpp',
     'TestMP4Demuxer.cpp',
-    # 'TestMP4Reader.cpp', disabled so we can turn check tests back on (bug 1175752)
     'TestTrackEncoder.cpp',
     'TestVideoSegment.cpp',
     'TestVideoUtils.cpp',
diff --git a/dom/media/platforms/wmf/WMFMediaDataDecoder.h b/dom/media/platforms/wmf/WMFMediaDataDecoder.h
index a4dd49f56..75571d61e 100644
--- a/dom/media/platforms/wmf/WMFMediaDataDecoder.h
+++ b/dom/media/platforms/wmf/WMFMediaDataDecoder.h
@@ -33,7 +33,7 @@ public:
   // Returns S_OK on success, or MF_E_TRANSFORM_NEED_MORE_INPUT if there's not
   // enough data to produce more output. If this returns a failure code other
   // than MF_E_TRANSFORM_NEED_MORE_INPUT, an error will be reported to the
-  // MP4Reader.
+  // MP4Demuxer.
   virtual HRESULT Output(int64_t aStreamOffset,
                          RefPtr<MediaData>& aOutput) = 0;