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Posted to issues@cordova.apache.org by "Jörn Zaefferer (JIRA)" <ji...@apache.org> on 2016/10/07 12:29:20 UTC
[jira] [Commented] (CB-11966) Make durationHint parameter for
requestAudioContext configurable
[ https://issues.apache.org/jira/browse/CB-11966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15554968#comment-15554968 ]
Jörn Zaefferer commented on CB-11966:
-------------------------------------
I managed to fix my specific problem with a fork that always sets AUDIOFOCUS_GAIN_TRANSIENT. It also abandons audio focus when all players are released: https://github.com/ilovept/cordova-plugin-media/commit/7e77477ff98be206780f03b3a82f1ee12c9db4e9
Since I have no idea how to expose the durationHint, there's little point in sending a pull request for this commit. With some guidance on the API design, I might be able to put something together. Otherwise I hope my commit can be a starting point for whoever ends up having to solve the same issue.
> Make durationHint parameter for requestAudioContext configurable
> ----------------------------------------------------------------
>
> Key: CB-11966
> URL: https://issues.apache.org/jira/browse/CB-11966
> Project: Apache Cordova
> Issue Type: New Feature
> Components: Plugin Media
> Reporter: Jörn Zaefferer
> Labels: android
>
> Android supports playback of so-called transient audio, like instructions from navigation software or a beep from a timer or messenger, via the AudioManager#requestAudioFocus method's `durationHint` parameter. Currently this is hardcoded to AUDIOFOCUS_GAIN: https://github.com/apache/cordova-plugin-media/blob/0a5a72df42ddd91c50f2a36d0c58408c3b43a9fd/src/android/AudioHandler.java#L445
> That causes all other audio, like music or a podcast, to be stopped. Setting it instead to AUDIOFOCUS_GAIN_TRANSIENT would only pause other audio while the sound is playing. AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK allows other audio to only lower volume, without pausing. There's also AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE, but I don't understand what that does.
> For more background, see https://developer.android.com/training/managing-audio/audio-focus.html
> I suggest adding a (Android specific) option to override the default to one of the transient values.
> Since the caller is itself called by `startPlayingAudio()` ( https://github.com/apache/cordova-plugin-media/blob/0a5a72df42ddd91c50f2a36d0c58408c3b43a9fd/src/android/AudioHandler.java#L318 ), it might make sense to make this a parameter of the `media.play()` method. I'm not sure what a good format would be. Passing an `int` is kinda bad. Apparently none of the existing methods have any configuration.
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