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comparison: content/media/directshow/DirectShowDecoder.h
content/media/directshow/DirectShowDecoder.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #if !defined(DirectShowDecoder_h_) | |
| 8 #define DirectShowDecoder_h_ | |
| 9 | |
| 10 #include "MediaDecoder.h" | |
| 11 | |
| 12 namespace mozilla { | |
| 13 | |
| 14 // Decoder that uses DirectShow to playback MP3 files only. | |
| 15 class DirectShowDecoder : public MediaDecoder | |
| 16 { | |
| 17 public: | |
| 18 | |
| 19 DirectShowDecoder(); | |
| 20 virtual ~DirectShowDecoder(); | |
| 21 | |
| 22 MediaDecoder* Clone() MOZ_OVERRIDE { | |
| 23 if (!IsEnabled()) { | |
| 24 return nullptr; | |
| 25 } | |
| 26 return new DirectShowDecoder(); | |
| 27 } | |
| 28 | |
| 29 MediaDecoderStateMachine* CreateStateMachine() MOZ_OVERRIDE; | |
| 30 | |
| 31 // Returns true if aType is a MIME type that we render with the | |
| 32 // DirectShow backend. If aCodecList is non null, | |
| 33 // it is filled with a (static const) null-terminated list of strings | |
| 34 // denoting the codecs we'll playback. Note that playback is strictly | |
| 35 // limited to MP3 only. | |
| 36 static bool GetSupportedCodecs(const nsACString& aType, | |
| 37 char const *const ** aCodecList); | |
| 38 | |
| 39 // Returns true if the DirectShow backend is preffed on. | |
| 40 static bool IsEnabled(); | |
| 41 }; | |
| 42 | |
| 43 } // namespace mozilla | |
| 44 | |
| 45 #endif |
