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