mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 08:12:05 +00:00
130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set sw=2 ts=2 et tw=80 : */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla Audio IPC
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* The Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Doug Turner <dougt@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "mozilla/dom/AudioChild.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
NS_IMPL_THREADSAFE_ADDREF(AudioChild);
|
|
NS_IMPL_THREADSAFE_RELEASE(AudioChild);
|
|
|
|
AudioChild::AudioChild()
|
|
: mLastPosition(-1),
|
|
mLastPositionTimestamp(0),
|
|
mMinWriteSize(-2),// Initial value, -2, error on -1
|
|
mAudioReentrantMonitor("AudioChild.mReentrantMonitor"),
|
|
mIPCOpen(PR_TRUE),
|
|
mDrained(PR_FALSE)
|
|
{
|
|
MOZ_COUNT_CTOR(AudioChild);
|
|
}
|
|
|
|
AudioChild::~AudioChild()
|
|
{
|
|
MOZ_COUNT_DTOR(AudioChild);
|
|
}
|
|
|
|
void
|
|
AudioChild::ActorDestroy(ActorDestroyReason aWhy)
|
|
{
|
|
mIPCOpen = PR_FALSE;
|
|
}
|
|
|
|
bool
|
|
AudioChild::RecvPositionInFramesUpdate(const PRInt64& position,
|
|
const PRInt64& time)
|
|
{
|
|
mLastPosition = position;
|
|
mLastPositionTimestamp = time;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
AudioChild::RecvDrainDone()
|
|
{
|
|
ReentrantMonitorAutoEnter mon(mAudioReentrantMonitor);
|
|
mDrained = PR_TRUE;
|
|
mAudioReentrantMonitor.NotifyAll();
|
|
return true;
|
|
}
|
|
|
|
PRInt32
|
|
AudioChild::WaitForMinWriteSize()
|
|
{
|
|
ReentrantMonitorAutoEnter mon(mAudioReentrantMonitor);
|
|
// -2 : initial value
|
|
while (mMinWriteSize == -2 && mIPCOpen) {
|
|
mAudioReentrantMonitor.Wait();
|
|
}
|
|
return mMinWriteSize;
|
|
}
|
|
|
|
bool
|
|
AudioChild::RecvMinWriteSizeDone(const PRInt32& minFrames)
|
|
{
|
|
ReentrantMonitorAutoEnter mon(mAudioReentrantMonitor);
|
|
mMinWriteSize = minFrames;
|
|
mAudioReentrantMonitor.NotifyAll();
|
|
return true;
|
|
}
|
|
|
|
void
|
|
AudioChild::WaitForDrain()
|
|
{
|
|
ReentrantMonitorAutoEnter mon(mAudioReentrantMonitor);
|
|
while (!mDrained && mIPCOpen) {
|
|
mAudioReentrantMonitor.Wait();
|
|
}
|
|
}
|
|
|
|
PRInt64
|
|
AudioChild::GetLastKnownPosition()
|
|
{
|
|
return mLastPosition;
|
|
}
|
|
|
|
PRInt64
|
|
AudioChild::GetLastKnownPositionTimestamp()
|
|
{
|
|
return mLastPositionTimestamp;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|