LCOV - code coverage report
Current view: directory - dom/ipc - AudioParent.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 155 0 0.0 %
Date: 2012-06-02 Functions: 46 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim: set sw=2 ts=8 et tw=80 : */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla Audio IPC
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  *   The Mozilla Foundation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Doug Turner <dougt@mozilla.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "mozilla/dom/AudioParent.h"
      41                 : #include "mozilla/unused.h"
      42                 : #include "nsThreadUtils.h"
      43                 : 
      44                 : // C++ file contents
      45                 : namespace mozilla {
      46                 : namespace dom {
      47                 : 
      48                 : class AudioWriteEvent : public nsRunnable
      49               0 : {
      50                 :  public:
      51               0 :   AudioWriteEvent(nsAudioStream* owner, nsCString data, PRUint32 frames)
      52               0 :   {
      53               0 :     mOwner = owner;
      54               0 :     mData  = data;
      55               0 :     mFrames = frames;
      56               0 :   }
      57                 : 
      58               0 :   NS_IMETHOD Run()
      59                 :   {
      60               0 :     mOwner->Write(mData.get(), mFrames);
      61               0 :     return NS_OK;
      62                 :   }
      63                 : 
      64                 :  private:
      65                 :     nsRefPtr<nsAudioStream> mOwner;
      66                 :     nsCString mData;
      67                 :     PRUint32  mFrames;
      68                 : };
      69                 : 
      70                 : class AudioPauseEvent : public nsRunnable
      71               0 : {
      72                 :  public:
      73               0 :   AudioPauseEvent(nsAudioStream* owner, bool aPause)
      74               0 :   {
      75               0 :     mOwner = owner;
      76               0 :     mPause = aPause;
      77               0 :   }
      78                 : 
      79               0 :   NS_IMETHOD Run()
      80                 :   {
      81               0 :     if (mPause)
      82               0 :         mOwner->Pause();
      83                 :     else
      84               0 :         mOwner->Resume();
      85               0 :     return NS_OK;
      86                 :   }
      87                 : 
      88                 :  private:
      89                 :     nsRefPtr<nsAudioStream> mOwner;
      90                 :     bool mPause;
      91                 : };
      92                 : 
      93                 : class AudioStreamShutdownEvent : public nsRunnable
      94               0 : {
      95                 :  public:
      96               0 :   AudioStreamShutdownEvent(nsAudioStream* owner)
      97               0 :   {
      98               0 :     mOwner = owner;
      99               0 :   }
     100                 : 
     101               0 :   NS_IMETHOD Run()
     102                 :   {
     103               0 :     mOwner->Shutdown();
     104               0 :     return NS_OK;
     105                 :   }
     106                 : 
     107                 :  private:
     108                 :     nsRefPtr<nsAudioStream> mOwner;
     109                 : };
     110                 : 
     111                 : 
     112                 : class AudioMinWriteSizeDone : public nsRunnable
     113               0 : {
     114                 :  public:
     115               0 :   AudioMinWriteSizeDone(AudioParent* owner, PRInt32 minFrames)
     116               0 :   {
     117               0 :     mOwner = owner;
     118               0 :     mMinFrames = minFrames;
     119               0 :   }
     120                 : 
     121               0 :   NS_IMETHOD Run()
     122                 :   {
     123               0 :     mOwner->SendMinWriteSizeDone(mMinFrames);
     124               0 :     return NS_OK;
     125                 :   }
     126                 : 
     127                 :  private:
     128                 :     nsRefPtr<AudioParent> mOwner;
     129                 :     PRInt32 mMinFrames;
     130                 : };
     131                 : 
     132                 : class AudioMinWriteSizeEvent : public nsRunnable
     133               0 : {
     134                 :  public:
     135               0 :   AudioMinWriteSizeEvent(AudioParent* parent, nsAudioStream* owner)
     136               0 :   {
     137               0 :     mParent = parent;
     138               0 :     mOwner = owner;
     139               0 :   }
     140                 : 
     141               0 :   NS_IMETHOD Run()
     142                 :   {
     143               0 :     PRInt32 minFrames = mOwner->GetMinWriteSize();
     144               0 :     nsCOMPtr<nsIRunnable> event = new AudioMinWriteSizeDone(mParent, minFrames);
     145               0 :     NS_DispatchToMainThread(event);
     146               0 :     return NS_OK;
     147                 :   }
     148                 : 
     149                 :  private:
     150                 :     nsRefPtr<nsAudioStream> mOwner;
     151                 :     nsRefPtr<AudioParent> mParent;
     152                 : };
     153                 : 
     154                 : class AudioDrainDoneEvent : public nsRunnable
     155               0 : {
     156                 :  public:
     157               0 :   AudioDrainDoneEvent(AudioParent* owner)
     158               0 :   {
     159               0 :     mOwner = owner;
     160               0 :   }
     161                 : 
     162               0 :   NS_IMETHOD Run()
     163                 :   {
     164               0 :     mOwner->SendDrainDone();
     165               0 :     return NS_OK;
     166                 :   }
     167                 : 
     168                 :  private:
     169                 :     nsRefPtr<AudioParent> mOwner;
     170                 : };
     171                 : 
     172                 : class AudioDrainEvent : public nsRunnable
     173               0 : {
     174                 :  public:
     175               0 :   AudioDrainEvent(AudioParent* parent, nsAudioStream* owner)
     176               0 :   {
     177               0 :     mParent = parent;
     178               0 :     mOwner = owner;
     179               0 :   }
     180                 : 
     181               0 :   NS_IMETHOD Run()
     182                 :   {
     183               0 :     mOwner->Drain();
     184               0 :     nsCOMPtr<nsIRunnable> event = new AudioDrainDoneEvent(mParent);
     185               0 :     NS_DispatchToMainThread(event);
     186               0 :     return NS_OK;
     187                 :   }
     188                 : 
     189                 :  private:
     190                 :     nsRefPtr<nsAudioStream> mOwner;
     191                 :     nsRefPtr<AudioParent> mParent;
     192                 : };
     193                 : 
     194               0 : NS_IMPL_THREADSAFE_ISUPPORTS1(AudioParent, nsITimerCallback)
     195                 : 
     196                 : nsresult
     197               0 : AudioParent::Notify(nsITimer* timer)
     198                 : {
     199               0 :   if (!mIPCOpen) {
     200               0 :     timer->Cancel();
     201               0 :     return NS_ERROR_FAILURE;
     202                 :   }
     203                 : 
     204               0 :   NS_ASSERTION(mStream, "AudioStream not initialized.");
     205               0 :   PRInt64 position = mStream->GetPositionInFrames();
     206               0 :   unused << SendPositionInFramesUpdate(position, PR_IntervalNow());
     207               0 :   return NS_OK;
     208                 : }
     209                 : 
     210                 : bool
     211               0 : AudioParent::RecvWrite(const nsCString& data, const PRUint32& frames)
     212                 : {
     213               0 :   if (!mStream)
     214               0 :     return false;
     215               0 :   nsCOMPtr<nsIRunnable> event = new AudioWriteEvent(mStream, data, frames);
     216               0 :   nsCOMPtr<nsIThread> thread = mStream->GetThread();
     217               0 :   thread->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
     218               0 :   return true;
     219                 : }
     220                 : 
     221                 : bool
     222               0 : AudioParent::RecvSetVolume(const float& aVolume)
     223                 : {
     224               0 :   if (!mStream)
     225               0 :       return false;
     226               0 :   mStream->SetVolume(aVolume);
     227               0 :   return true;
     228                 : }
     229                 : 
     230                 : bool
     231               0 : AudioParent::RecvMinWriteSize()
     232                 : {
     233               0 :   if (!mStream)
     234               0 :     return false;
     235               0 :   nsCOMPtr<nsIRunnable> event = new AudioMinWriteSizeEvent(this, mStream);
     236               0 :   nsCOMPtr<nsIThread> thread = mStream->GetThread();
     237               0 :   thread->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
     238               0 :   return true;
     239                 : }
     240                 : 
     241                 : bool
     242               0 : AudioParent::RecvDrain()
     243                 : {
     244               0 :   if (!mStream)
     245               0 :     return false;
     246               0 :   nsCOMPtr<nsIRunnable> event = new AudioDrainEvent(this, mStream);
     247               0 :   nsCOMPtr<nsIThread> thread = mStream->GetThread();
     248               0 :   thread->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
     249               0 :   return true;
     250                 : }
     251                 : 
     252                 : bool
     253               0 : AudioParent::RecvPause()
     254                 : {
     255               0 :   if (!mStream)
     256               0 :     return false;
     257               0 :   nsCOMPtr<nsIRunnable> event = new AudioPauseEvent(mStream, true);
     258               0 :   nsCOMPtr<nsIThread> thread = mStream->GetThread();
     259               0 :   thread->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
     260               0 :   return true;
     261                 : }
     262                 : 
     263                 : bool
     264               0 : AudioParent::RecvResume()
     265                 : {
     266               0 :   if (!mStream)
     267               0 :     return false;
     268               0 :   nsCOMPtr<nsIRunnable> event = new AudioPauseEvent(mStream, false);
     269               0 :   nsCOMPtr<nsIThread> thread = mStream->GetThread();
     270               0 :   thread->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
     271               0 :   return true;
     272                 : }
     273                 : 
     274                 : bool
     275               0 : AudioParent::RecvShutdown()
     276                 : {
     277               0 :   Shutdown();
     278               0 :   unused << PAudioParent::Send__delete__(this);
     279               0 :   return true;
     280                 : }
     281                 : 
     282                 : bool
     283               0 : AudioParent::SendMinWriteSizeDone(PRInt32 minFrames)
     284                 : {
     285               0 :   if (mIPCOpen)
     286               0 :     return PAudioParent::SendMinWriteSizeDone(minFrames);
     287               0 :   return true;
     288                 : }
     289                 : 
     290                 : bool
     291               0 : AudioParent::SendDrainDone()
     292                 : {
     293               0 :   if (mIPCOpen)
     294               0 :     return PAudioParent::SendDrainDone();
     295               0 :   return true;
     296                 : }
     297                 : 
     298               0 : AudioParent::AudioParent(PRInt32 aNumChannels, PRInt32 aRate, PRInt32 aFormat)
     299               0 :   : mIPCOpen(true)
     300                 : {
     301               0 :   mStream = nsAudioStream::AllocateStream();
     302               0 :   NS_ASSERTION(mStream, "AudioStream allocation failed.");
     303               0 :   if (NS_FAILED(mStream->Init(aNumChannels,
     304                 :                               aRate,
     305                 :                               (nsAudioStream::SampleFormat) aFormat))) {
     306               0 :       NS_WARNING("AudioStream initialization failed.");
     307               0 :       mStream = nsnull;
     308               0 :       return;
     309                 :   }
     310                 : 
     311               0 :   mTimer = do_CreateInstance("@mozilla.org/timer;1");
     312               0 :   mTimer->InitWithCallback(this, 1000, nsITimer::TYPE_REPEATING_SLACK);
     313                 : }
     314                 : 
     315               0 : AudioParent::~AudioParent()
     316                 : {
     317               0 : }
     318                 : 
     319                 : void
     320               0 : AudioParent::ActorDestroy(ActorDestroyReason aWhy)
     321                 : {
     322               0 :   mIPCOpen = false;
     323                 : 
     324               0 :   Shutdown();
     325               0 : }
     326                 : 
     327                 : void
     328               0 : AudioParent::Shutdown()
     329                 : {
     330               0 :   if (mTimer) {
     331               0 :     mTimer->Cancel();
     332               0 :     mTimer = nsnull;
     333                 :   }
     334                 : 
     335               0 :   if (mStream) {
     336               0 :       nsCOMPtr<nsIRunnable> event = new AudioStreamShutdownEvent(mStream);
     337               0 :       nsCOMPtr<nsIThread> thread = mStream->GetThread();
     338               0 :       thread->Dispatch(event, nsIEventTarget::DISPATCH_NORMAL);
     339               0 :       mStream = nsnull;
     340                 :   }
     341               0 : }
     342                 : 
     343                 : } // namespace dom
     344                 : } // namespace mozilla

Generated by: LCOV version 1.7