зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.5 KiB
C++
66 строки
1.5 KiB
C++
/* -*- 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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#include "DirectShowDecoder.h"
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#include "DirectShowReader.h"
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#include "DirectShowUtils.h"
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#include "MediaDecoderStateMachine.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/WindowsVersion.h"
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namespace mozilla {
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MediaDecoderStateMachine* DirectShowDecoder::CreateStateMachine()
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{
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return new MediaDecoderStateMachine(this, new DirectShowReader(this));
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}
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/* static */
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bool
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DirectShowDecoder::GetSupportedCodecs(const nsACString& aType,
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char const *const ** aCodecList)
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{
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if (!IsEnabled()) {
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return false;
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}
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static char const *const mp3AudioCodecs[] = {
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"mp3",
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nullptr
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};
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if (aType.EqualsASCII("audio/mpeg") ||
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aType.EqualsASCII("audio/mp3")) {
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if (aCodecList) {
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*aCodecList = mp3AudioCodecs;
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}
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return true;
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}
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return false;
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}
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/* static */
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bool
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DirectShowDecoder::IsEnabled()
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{
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return CanDecodeMP3UsingDirectShow() &&
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Preferences::GetBool("media.directshow.enabled");
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}
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DirectShowDecoder::DirectShowDecoder(MediaDecoderOwner* aOwner)
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: MediaDecoder(aOwner)
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{
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MOZ_COUNT_CTOR(DirectShowDecoder);
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}
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DirectShowDecoder::~DirectShowDecoder()
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{
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MOZ_COUNT_DTOR(DirectShowDecoder);
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}
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} // namespace mozilla
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