android_frameworks_ex/variablespeed, branch stable/cm-11.0

Fix AudioEngine to allow re-initialization - DO NOT MERGE

2014-03-06T16:58:27+00:00

Add AudioEngine::CompareAndSetEngine and change
VariableSpeed::initializeEngine to use this method so it only initializes
a new engine once rather than asserting on subsequent calls.

Change AudioEngine::DeleteEngine so it ignores repeated calls instead of
asserting. Add VariableSpeed::isReadyToPlay so callers can detect when
the audio library has been properly initialized.

Bug:11511992
Change-Id: I4517cb2ab4c186da43dffc7dbc2a9ad49000059f
(cherry picked from commit 8502b724a9fdc104e7b4a3aba1641e101b4c7be9)

Add liblog

2013-04-10T04:54:58+00:00

Bug: 8580410
Change-Id: I64962c4175c8bb6e98cdd39efd3982d55082c66d

Initialize requested interfaces array

2012-07-03T22:59:04+00:00

Bug: 6768181
Change-Id: Ic8ca44594aea8a0e50740fe69270464ccdd7da6c

Fix build

2012-03-27T01:16:43+00:00

Change-Id: I998b4503bbc6b8ce2149e6801548749a54b237b2

Fix playback in variable speed audio.

2011-09-09T13:46:15+00:00

- Recent changes to system/media broke variable speed playback.
- Traced to http://go/android-cl/132098 which presumed that variable
  speed playback wasn't using the renamed sample rate field, but we
  had our own copy of the field (it wasn't previously available in the
  api).
- This cl also fixes the TODO by removing our own copy of the fields,
  and using instead the defines from the OpenSL android api directly.

Bug: 5282965
Change-Id: I58033e9299d26d6a05259e4d50708d27fc3fa7e1

Enables detailed logging during variable speed playback.

2011-09-05T09:40:33+00:00

This commit adds support for dynamically enabling logging in the
variable speed library if log.tag.VariableSpeed is set.

After this change, you can enable logging by running:

adb shell setprop log.tag.VariableSpeed 1

Logging will be disabled after reboot or after running:

adb shell setprop log.tag.VariableSpeed ""

The logging in the library is quite verbose, so we do not want to enable
it by default.

Bug: 5253004
Change-Id: I3addde5552093eb0c4926b67245d578a7da0fb7a

Allows selecting the audio stream used for playback.

2011-09-01T11:23:19+00:00

Adds setAudioStreamType() to the MediaPlayerProxy interface and
implements it in the variable speed player.

Bug: 5240848
Change-Id: I1bb9fdbee7aa6113c5d5d5a8000e9794800fad9f

Fix the audio stutter during playback.

2011-08-27T00:21:54+00:00

- Was using the base pointer from callback context when I meant to be
  using the 'current position' pointer.

Bug: 5114126
Change-Id: Ie9baded973672cd8ac7ffe0f16f1bdf22c8f1030

Fix a rare crash.

2011-08-10T14:57:28+00:00

- Crash could be reproduced by seeking to the very end of a voicemail,
  playing the voicemail to see the ui reset to beginning, then
  increasing rate.
- Reason was that during playback, insufficient data has been read to
  read the sample rate and channels, and in that situation the increase
  rate requires constructing the time scaler, which in turn requires
  a valid sample rate and channels.
- Added a test to prove that the bug exists, and to prove the fix which
  is to ignore the rate change call when sample rate and channels not
  known.
- Also added another unit test in the process to verify that it's safe
  to call set rate at any point during the life cycle of the player.

Bug: 5140693
Change-Id: I474e5769f2b72762348534e4d06104af247e8726

Prove that there's an issue with media player audio.

2011-08-09T11:40:19+00:00

- File format of files downloaded from GoogleVoice:
  MPEG ADTS, layer III,  v2.5,  32 kbps, 8 kHz, Monaural
- If we seek in that file before beginning playback, there is a very
  obvious triple/quadruple stutter.
- This adds a unit test that plays such a file after seeking, which
  clearly demonstratest the stutter on my variable speed library.
- This same test can be used to demonstrate the stutter with the regular
  MediaPlayer.

Other:
  - Also adds the correct ADD_VOICEMAIL permission, which was renamed
    earlier.

Bug: 5114126
Change-Id: I3dfaf7686c879076d9949047d91875010b6d8b52