зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.3 KiB
C
46 строки
1.3 KiB
C
|
/* -*- 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(DirectShowDecoder_h_)
|
||
|
|
#define DirectShowDecoder_h_
|
||
|
|
|
||
|
|
#include "MediaDecoder.h"
|
||
|
|
|
||
|
|
namespace mozilla {
|
||
|
|
|
||
|
|
// Decoder that uses DirectShow to playback MP3 files only.
|
||
|
|
class DirectShowDecoder : public MediaDecoder
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
DirectShowDecoder();
|
||
|
|
virtual ~DirectShowDecoder();
|
||
|
|
|
||
|
|
MediaDecoder* Clone() MOZ_OVERRIDE {
|
||
|
|
if (!IsEnabled()) {
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
return new DirectShowDecoder();
|
||
|
|
}
|
||
|
|
|
||
|
|
MediaDecoderStateMachine* CreateStateMachine() MOZ_OVERRIDE;
|
||
|
|
|
||
|
|
// Returns true if aType is a MIME type that we render with the
|
||
|
|
// DirectShow backend. If aCodecList is non null,
|
||
|
|
// it is filled with a (static const) null-terminated list of strings
|
||
|
|
// denoting the codecs we'll playback. Note that playback is strictly
|
||
|
|
// limited to MP3 only.
|
||
|
|
static bool GetSupportedCodecs(const nsACString& aType,
|
||
|
|
char const *const ** aCodecList);
|
||
|
|
|
||
|
|
// Returns true if the DirectShow backend is preffed on.
|
||
|
|
static bool IsEnabled();
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace mozilla
|
||
|
|
|
||
|
|
#endif
|