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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/media/directshow/AudioSinkInputPin.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/directshow/AudioSinkInputPin.h')
-rw-r--r--dom/media/directshow/AudioSinkInputPin.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/dom/media/directshow/AudioSinkInputPin.h b/dom/media/directshow/AudioSinkInputPin.h
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+++ b/dom/media/directshow/AudioSinkInputPin.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#if !defined(AudioSinkInputPin_h_)
+#define AudioSinkInputPin_h_
+
+#include "BaseInputPin.h"
+#include "DirectShowUtils.h"
+#include "mozilla/RefPtr.h"
+#include "nsAutoPtr.h"
+
+namespace mozilla {
+
+namespace media {
+ class MediaType;
+}
+
+class AudioSinkFilter;
+class SampleSink;
+
+
+// Input pin for capturing audio output of a DirectShow filter graph.
+// This is the input pin for the AudioSinkFilter.
+class AudioSinkInputPin: public mozilla::media::BaseInputPin
+{
+public:
+ AudioSinkInputPin(wchar_t* aObjectName,
+ AudioSinkFilter* aFilter,
+ mozilla::CriticalSection* aLock,
+ HRESULT* aOutResult);
+ virtual ~AudioSinkInputPin();
+
+ HRESULT GetMediaType (IN int iPos, OUT mozilla::media::MediaType * pmt);
+ HRESULT CheckMediaType (IN const mozilla::media::MediaType * pmt);
+ STDMETHODIMP Receive (IN IMediaSample *);
+ STDMETHODIMP BeginFlush() override;
+ STDMETHODIMP EndFlush() override;
+
+ // Called when we start decoding a new segment, that happens directly after
+ // a seek. This captures the segment's start time. Samples decoded by the
+ // MP3 decoder have their timestamps offset from the segment start time.
+ // Storing the segment start time enables us to set each sample's MediaTime
+ // as an offset in the stream relative to the start of the stream, rather
+ // than the start of the segment, i.e. its absolute time in the stream.
+ STDMETHODIMP NewSegment(REFERENCE_TIME tStart,
+ REFERENCE_TIME tStop,
+ double dRate) override;
+
+ STDMETHODIMP EndOfStream() override;
+
+ // Returns the IMediaSeeking interface of the connected output pin.
+ // We forward seeking requests upstream from the sink to the source
+ // filters.
+ already_AddRefed<IMediaSeeking> GetConnectedPinSeeking();
+
+ SampleSink* GetSampleSink();
+
+private:
+ AudioSinkFilter* GetAudioSinkFilter();
+
+ // Sets the media time on the media sample, relative to the segment
+ // start time.
+ HRESULT SetAbsoluteMediaTime(IMediaSample* aSample);
+
+ nsAutoPtr<SampleSink> mSampleSink;
+
+ // Synchronized by the filter lock; BaseInputPin::mLock.
+ REFERENCE_TIME mSegmentStartTime;
+};
+
+} // namespace mozilla
+
+#endif // AudioSinkInputPin_h_