gecko/dom/media/MP3Decoder.cpp

46 lines
1.2 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/. */
#include "MP3Decoder.h"
#include "MediaDecoderStateMachine.h"
#include "MediaFormatReader.h"
#include "MP3Demuxer.h"
#include "mozilla/Preferences.h"
#ifdef MOZ_WIDGET_ANDROID
#include "AndroidBridge.h"
#endif
namespace mozilla {
MediaDecoder*
MP3Decoder::Clone() {
if (!IsEnabled()) {
return nullptr;
}
return new MP3Decoder();
}
MediaDecoderStateMachine*
MP3Decoder::CreateStateMachine() {
nsRefPtr<MediaDecoderReader> reader =
new MediaFormatReader(this, new mp3::MP3Demuxer(GetResource()));
return new MediaDecoderStateMachine(this, reader);
}
bool
MP3Decoder::IsEnabled() {
#ifdef MOZ_WIDGET_ANDROID
// We need android.media.MediaCodec which exists in API level 16 and higher.
return AndroidBridge::Bridge()->GetAPIVersion() >= 16;
#else
return Preferences::GetBool("media.mp3.enabled");
#endif
}
} // namespace mozilla