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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(DirectShowDecoder_h_)
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#define DirectShowDecoder_h_
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#include "MediaDecoder.h"
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namespace mozilla {
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// Decoder that uses DirectShow to playback MP3 files only.
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class DirectShowDecoder : public MediaDecoder
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{
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public:
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DirectShowDecoder();
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virtual ~DirectShowDecoder();
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MediaDecoder* Clone() MOZ_OVERRIDE {
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if (!IsEnabled()) {
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return nullptr;
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}
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return new DirectShowDecoder();
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}
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MediaDecoderStateMachine* CreateStateMachine() MOZ_OVERRIDE;
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// Returns true if aType is a MIME type that we render with the
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// DirectShow backend. If aCodecList is non null,
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// it is filled with a (static const) null-terminated list of strings
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// denoting the codecs we'll playback. Note that playback is strictly
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// limited to MP3 only.
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static bool GetSupportedCodecs(const nsACString& aType,
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char const *const ** aCodecList);
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// Returns true if the DirectShow backend is preffed on.
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static bool IsEnabled();
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};
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} // namespace mozilla
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#endif
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