Remove DirectShowReader Part 3: Directories

1 files changed, 0 insertions, 360 deletions

diff --git a/dom/media/directshow/DirectShowReader.cpp b/dom/media/directshow/DirectShowReader.cpp
deleted file mode 100644
index cacf6f8de..000000000
--- a/dom/media/directshow/DirectShowReader.cpp
+++ /dev/null
@@ -1,360 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* 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 "DirectShowReader.h"
-#include "MediaDecoderReader.h"
-#include "mozilla/RefPtr.h"
-#include "DirectShowUtils.h"
-#include "AudioSinkFilter.h"
-#include "SourceFilter.h"
-#include "SampleSink.h"
-#include "VideoUtils.h"
-
-using namespace mozilla::media;
-
-namespace mozilla {
-
-// Windows XP's MP3 decoder filter. This is available on XP only, on Vista
-// and later we can use the DMO Wrapper filter and MP3 decoder DMO.
-const GUID DirectShowReader::CLSID_MPEG_LAYER_3_DECODER_FILTER =
-{ 0x38BE3000, 0xDBF4, 0x11D0, {0x86, 0x0E, 0x00, 0xA0, 0x24, 0xCF, 0xEF, 0x6D} };
-
-
-static LazyLogModule gDirectShowLog("DirectShowDecoder");
-#define LOG(...) MOZ_LOG(gDirectShowLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
-
-DirectShowReader::DirectShowReader(AbstractMediaDecoder* aDecoder)
-  : MediaDecoderReader(aDecoder),
-    mMP3FrameParser(aDecoder->GetResource()->GetLength()),
-#ifdef DIRECTSHOW_REGISTER_GRAPH
-    mRotRegister(0),
-#endif
-    mNumChannels(0),
-    mAudioRate(0),
-    mBytesPerSample(0)
-{
-  MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
-  MOZ_COUNT_CTOR(DirectShowReader);
-}
-
-DirectShowReader::~DirectShowReader()
-{
-  MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
-  MOZ_COUNT_DTOR(DirectShowReader);
-#ifdef DIRECTSHOW_REGISTER_GRAPH
-  if (mRotRegister) {
-    RemoveGraphFromRunningObjectTable(mRotRegister);
-  }
-#endif
-}
-
-// Try to parse the MP3 stream to make sure this is indeed an MP3, get the
-// estimated duration of the stream, and find the offset of the actual MP3
-// frames in the stream, as DirectShow doesn't like large ID3 sections.
-static nsresult
-ParseMP3Headers(MP3FrameParser *aParser, MediaResource *aResource)
-{
-  const uint32_t MAX_READ_SIZE = 4096;
-
-  uint64_t offset = 0;
-  while (aParser->NeedsData() && !aParser->ParsedHeaders()) {
-    uint32_t bytesRead;
-    char buffer[MAX_READ_SIZE];
-    nsresult rv = aResource->ReadAt(offset, buffer,
-                                    MAX_READ_SIZE, &bytesRead);
-    NS_ENSURE_SUCCESS(rv, rv);
-
-    if (!bytesRead) {
-      // End of stream.
-      return NS_ERROR_FAILURE;
-    }
-
-    aParser->Parse(reinterpret_cast<uint8_t*>(buffer), bytesRead, offset);
-    offset += bytesRead;
-  }
-
-  return aParser->IsMP3() ? NS_OK : NS_ERROR_FAILURE;
-}
-
-nsresult
-DirectShowReader::ReadMetadata(MediaInfo* aInfo,
-                               MetadataTags** aTags)
-{
-  MOZ_ASSERT(OnTaskQueue());
-  HRESULT hr;
-  nsresult rv;
-
-  // Create the filter graph, reference it by the GraphBuilder interface,
-  // to make graph building more convenient.
-  hr = CoCreateInstance(CLSID_FilterGraph,
-                        nullptr,
-                        CLSCTX_INPROC_SERVER,
-                        IID_IGraphBuilder,
-                        reinterpret_cast<void**>(static_cast<IGraphBuilder**>(getter_AddRefs(mGraph))));
-  NS_ENSURE_TRUE(SUCCEEDED(hr) && mGraph, NS_ERROR_FAILURE);
-
-  rv = ParseMP3Headers(&mMP3FrameParser, mDecoder->GetResource());
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  #ifdef DIRECTSHOW_REGISTER_GRAPH
-  hr = AddGraphToRunningObjectTable(mGraph, &mRotRegister);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-  #endif
-
-  // Extract the interface pointers we'll need from the filter graph.
-  hr = mGraph->QueryInterface(static_cast<IMediaControl**>(getter_AddRefs(mControl)));
-  NS_ENSURE_TRUE(SUCCEEDED(hr) && mControl, NS_ERROR_FAILURE);
-
-  hr = mGraph->QueryInterface(static_cast<IMediaSeeking**>(getter_AddRefs(mMediaSeeking)));
-  NS_ENSURE_TRUE(SUCCEEDED(hr) && mMediaSeeking, NS_ERROR_FAILURE);
-
-  // Build the graph. Create the filters we need, and connect them. We
-  // build the entire graph ourselves to prevent other decoders installed
-  // on the system being created and used.
-
-  // Our source filters, wraps the MediaResource.
-  mSourceFilter = new SourceFilter(MEDIATYPE_Stream, MEDIASUBTYPE_MPEG1Audio);
-  NS_ENSURE_TRUE(mSourceFilter, NS_ERROR_FAILURE);
-
-  rv = mSourceFilter->Init(mDecoder->GetResource(), mMP3FrameParser.GetMP3Offset());
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  hr = mGraph->AddFilter(mSourceFilter, L"MozillaDirectShowSource");
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  // The MPEG demuxer.
-  RefPtr<IBaseFilter> demuxer;
-  hr = CreateAndAddFilter(mGraph,
-                          CLSID_MPEG1Splitter,
-                          L"MPEG1Splitter",
-                          getter_AddRefs(demuxer));
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  // Platform MP3 decoder.
-  RefPtr<IBaseFilter> decoder;
-  // Firstly try to create the MP3 decoder filter that ships with WinXP
-  // directly. This filter doesn't normally exist on later versions of
-  // Windows.
-  hr = CreateAndAddFilter(mGraph,
-                          CLSID_MPEG_LAYER_3_DECODER_FILTER,
-                          L"MPEG Layer 3 Decoder",
-                          getter_AddRefs(decoder));
-  if (FAILED(hr)) {
-    // Failed to create MP3 decoder filter. Try to instantiate
-    // the MP3 decoder DMO.
-    hr = AddMP3DMOWrapperFilter(mGraph, getter_AddRefs(decoder));
-    NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-  }
-
-  // Sink, captures audio samples and inserts them into our pipeline.
-  static const wchar_t* AudioSinkFilterName = L"MozAudioSinkFilter";
-  mAudioSinkFilter = new AudioSinkFilter(AudioSinkFilterName, &hr);
-  NS_ENSURE_TRUE(mAudioSinkFilter && SUCCEEDED(hr), NS_ERROR_FAILURE);
-  hr = mGraph->AddFilter(mAudioSinkFilter, AudioSinkFilterName);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  // Join the filters.
-  hr = ConnectFilters(mGraph, mSourceFilter, demuxer);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  hr = ConnectFilters(mGraph, demuxer, decoder);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  hr = ConnectFilters(mGraph, decoder, mAudioSinkFilter);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  WAVEFORMATEX format;
-  mAudioSinkFilter->GetSampleSink()->GetAudioFormat(&format);
-  NS_ENSURE_TRUE(format.wFormatTag == WAVE_FORMAT_PCM, NS_ERROR_FAILURE);
-
-  mInfo.mAudio.mChannels = mNumChannels = format.nChannels;
-  mInfo.mAudio.mRate = mAudioRate = format.nSamplesPerSec;
-  mInfo.mAudio.mBitDepth = format.wBitsPerSample;
-  mBytesPerSample = format.wBitsPerSample / 8;
-
-  // Begin decoding!
-  hr = mControl->Run();
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  DWORD seekCaps = 0;
-  hr = mMediaSeeking->GetCapabilities(&seekCaps);
-  mInfo.mMediaSeekable = SUCCEEDED(hr) && (AM_SEEKING_CanSeekAbsolute & seekCaps);
-
-  int64_t duration = mMP3FrameParser.GetDuration();
-  if (SUCCEEDED(hr)) {
-    mInfo.mMetadataDuration.emplace(TimeUnit::FromMicroseconds(duration));
-  }
-
-  LOG("Successfully initialized DirectShow MP3 decoder.");
-  LOG("Channels=%u Hz=%u duration=%lld bytesPerSample=%d",
-      mInfo.mAudio.mChannels,
-      mInfo.mAudio.mRate,
-      RefTimeToUsecs(duration),
-      mBytesPerSample);
-
-  *aInfo = mInfo;
-  // Note: The SourceFilter strips ID3v2 tags out of the stream.
-  *aTags = nullptr;
-
-  return NS_OK;
-}
-
-inline float
-UnsignedByteToAudioSample(uint8_t aValue)
-{
-  return aValue * (2.0f / UINT8_MAX) - 1.0f;
-}
-
-bool
-DirectShowReader::Finish(HRESULT aStatus)
-{
-  MOZ_ASSERT(OnTaskQueue());
-
-  LOG("DirectShowReader::Finish(0x%x)", aStatus);
-  // Notify the filter graph of end of stream.
-  RefPtr<IMediaEventSink> eventSink;
-  HRESULT hr = mGraph->QueryInterface(static_cast<IMediaEventSink**>(getter_AddRefs(eventSink)));
-  if (SUCCEEDED(hr) && eventSink) {
-    eventSink->Notify(EC_COMPLETE, aStatus, 0);
-  }
-  return false;
-}
-
-class DirectShowCopy
-{
-public:
-  DirectShowCopy(uint8_t *aSource, uint32_t aBytesPerSample,
-                 uint32_t aSamples, uint32_t aChannels)
-    : mSource(aSource)
-    , mBytesPerSample(aBytesPerSample)
-    , mSamples(aSamples)
-    , mChannels(aChannels)
-    , mNextSample(0)
-  { }
-
-  uint32_t operator()(AudioDataValue *aBuffer, uint32_t aSamples)
-  {
-    uint32_t maxSamples = std::min(aSamples, mSamples - mNextSample);
-    uint32_t frames = maxSamples / mChannels;
-    size_t byteOffset = mNextSample * mBytesPerSample;
-    if (mBytesPerSample == 1) {
-      for (uint32_t i = 0; i < maxSamples; ++i) {
-        uint8_t *sample = mSource + byteOffset;
-        aBuffer[i] = UnsignedByteToAudioSample(*sample);
-        byteOffset += mBytesPerSample;
-      }
-    } else if (mBytesPerSample == 2) {
-      for (uint32_t i = 0; i < maxSamples; ++i) {
-        int16_t *sample = reinterpret_cast<int16_t *>(mSource + byteOffset);
-        aBuffer[i] = AudioSampleToFloat(*sample);
-        byteOffset += mBytesPerSample;
-      }
-    }
-    mNextSample += maxSamples;
-    return frames;
-  }
-
-private:
-  uint8_t * const mSource;
-  const uint32_t mBytesPerSample;
-  const uint32_t mSamples;
-  const uint32_t mChannels;
-  uint32_t mNextSample;
-};
-
-bool
-DirectShowReader::DecodeAudioData()
-{
-  MOZ_ASSERT(OnTaskQueue());
-  HRESULT hr;
-
-  SampleSink* sink = mAudioSinkFilter->GetSampleSink();
-  if (sink->AtEOS()) {
-    // End of stream.
-    return Finish(S_OK);
-  }
-
-  // Get the next chunk of audio samples. This blocks until the sample
-  // arrives, or an error occurs (like the stream is shutdown).
-  RefPtr<IMediaSample> sample;
-  hr = sink->Extract(sample);
-  if (FAILED(hr) || hr == S_FALSE) {
-    return Finish(hr);
-  }
-
-  int64_t start = 0, end = 0;
-  sample->GetMediaTime(&start, &end);
-  LOG("DirectShowReader::DecodeAudioData [%4.2lf-%4.2lf]",
-      RefTimeToSeconds(start),
-      RefTimeToSeconds(end));
-
-  LONG length = sample->GetActualDataLength();
-  LONG numSamples = length / mBytesPerSample;
-  LONG numFrames = length / mBytesPerSample / mNumChannels;
-
-  BYTE* data = nullptr;
-  hr = sample->GetPointer(&data);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), Finish(hr));
-
-  mAudioCompactor.Push(mDecoder->GetResource()->Tell(),
-                       RefTimeToUsecs(start),
-                       mInfo.mAudio.mRate,
-                       numFrames,
-                       mNumChannels,
-                       DirectShowCopy(reinterpret_cast<uint8_t *>(data),
-                                      mBytesPerSample,
-                                      numSamples,
-                                      mNumChannels));
-  return true;
-}
-
-bool
-DirectShowReader::DecodeVideoFrame(bool &aKeyframeSkip,
-                                   int64_t aTimeThreshold)
-{
-  MOZ_ASSERT(OnTaskQueue());
-  return false;
-}
-
-RefPtr<MediaDecoderReader::SeekPromise>
-DirectShowReader::Seek(SeekTarget aTarget, int64_t aEndTime)
-{
-  nsresult res = SeekInternal(aTarget.GetTime().ToMicroseconds());
-  if (NS_FAILED(res)) {
-    return SeekPromise::CreateAndReject(res, __func__);
-  } else {
-    return SeekPromise::CreateAndResolve(aTarget.GetTime(), __func__);
-  }
-}
-
-nsresult
-DirectShowReader::SeekInternal(int64_t aTargetUs)
-{
-  HRESULT hr;
-  MOZ_ASSERT(OnTaskQueue());
-
-  LOG("DirectShowReader::Seek() target=%lld", aTargetUs);
-
-  hr = mControl->Pause();
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  nsresult rv = ResetDecode();
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  LONGLONG seekPosition = UsecsToRefTime(aTargetUs);
-  hr = mMediaSeeking->SetPositions(&seekPosition,
-                                   AM_SEEKING_AbsolutePositioning,
-                                   nullptr,
-                                   AM_SEEKING_NoPositioning);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  hr = mControl->Run();
-  NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
-
-  return NS_OK;
-}
-
-} // namespace mozilla