1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/directshow/DirectShowDecoder.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,45 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#if !defined(DirectShowDecoder_h_)
1.11 +#define DirectShowDecoder_h_
1.12 +
1.13 +#include "MediaDecoder.h"
1.14 +
1.15 +namespace mozilla {
1.16 +
1.17 +// Decoder that uses DirectShow to playback MP3 files only.
1.18 +class DirectShowDecoder : public MediaDecoder
1.19 +{
1.20 +public:
1.21 +
1.22 + DirectShowDecoder();
1.23 + virtual ~DirectShowDecoder();
1.24 +
1.25 + MediaDecoder* Clone() MOZ_OVERRIDE {
1.26 + if (!IsEnabled()) {
1.27 + return nullptr;
1.28 + }
1.29 + return new DirectShowDecoder();
1.30 + }
1.31 +
1.32 + MediaDecoderStateMachine* CreateStateMachine() MOZ_OVERRIDE;
1.33 +
1.34 + // Returns true if aType is a MIME type that we render with the
1.35 + // DirectShow backend. If aCodecList is non null,
1.36 + // it is filled with a (static const) null-terminated list of strings
1.37 + // denoting the codecs we'll playback. Note that playback is strictly
1.38 + // limited to MP3 only.
1.39 + static bool GetSupportedCodecs(const nsACString& aType,
1.40 + char const *const ** aCodecList);
1.41 +
1.42 + // Returns true if the DirectShow backend is preffed on.
1.43 + static bool IsEnabled();
1.44 +};
1.45 +
1.46 +} // namespace mozilla
1.47 +
1.48 +#endif
