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-<!---
- Licensed to the Apache Software Foundation (ASF) under one
- or more contributor license agreements. See the NOTICE file
- distributed with this work for additional information
- regarding copyright ownership. The ASF licenses this file
- to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing,
- software distributed under the License is distributed on an
- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- KIND, either express or implied. See the License for the
- specific language governing permissions and limitations
- under the License.
--->
-
-# org.apache.cordova.media
-
-This plugin provides the ability to record and play back audio files on a device.
-
-__NOTE__: The current implementation does not adhere to a W3C
-specification for media capture, and is provided for convenience only.
-A future implementation will adhere to the latest W3C specification
-and may deprecate the current APIs.
-
-This plugin defines a global `Media` Constructor.
-
-Although in the global scope, it is not available until after the `deviceready` event.
-
- document.addEventListener("deviceready", onDeviceReady, false);
- function onDeviceReady() {
- console.log(Media);
- }
-
-## Installation
-
- cordova plugin add org.apache.cordova.media
-
-## Supported Platforms
-
-- Android
-- BlackBerry 10
-- iOS
-- Windows Phone 7 and 8
-- Tizen
-- Windows 8
-
-## Windows Phone Quirks
-
-- Only one media file can be played back at a time.
-
-- There are strict restrictions on how your application interacts with other media. See the [Microsoft documentation for details][url].
-
-[url]: http://msdn.microsoft.com/en-us/library/windowsphone/develop/hh184838(v=vs.92).aspx
-
-## Media
-
- var media = new Media(src, mediaSuccess, [mediaError], [mediaStatus]);
-
-### Parameters
-
-- __src__: A URI containing the audio content. _(DOMString)_
-
-- __mediaSuccess__: (Optional) The callback that executes after a `Media` object has completed the current play, record, or stop action. _(Function)_
-
-- __mediaError__: (Optional) The callback that executes if an error occurs. _(Function)_
-
-- __mediaStatus__: (Optional) The callback that executes to indicate status changes. _(Function)_
-
-### Constants
-
-The following constants are reported as the only parameter to the
-`mediaStatus` callback:
-
-- `Media.MEDIA_NONE` = 0;
-- `Media.MEDIA_STARTING` = 1;
-- `Media.MEDIA_RUNNING` = 2;
-- `Media.MEDIA_PAUSED` = 3;
-- `Media.MEDIA_STOPPED` = 4;
-
-### Methods
-
-- `media.getCurrentPosition`: Returns the current position within an audio file.
-
-- `media.getDuration`: Returns the duration of an audio file.
-
-- `media.play`: Start or resume playing an audio file.
-
-- `media.pause`: Pause playback of an audio file.
-
-- `media.release`: Releases the underlying operating system's audio resources.
-
-- `media.seekTo`: Moves the position within the audio file.
-
-- `media.setVolume`: Set the volume for audio playback.
-
-- `media.startRecord`: Start recording an audio file.
-
-- `media.stopRecord`: Stop recording an audio file.
-
-- `media.stop`: Stop playing an audio file.
-
-### Additional ReadOnly Parameters
-
-- __position__: The position within the audio playback, in seconds.
- - Not automatically updated during play; call `getCurrentPosition` to update.
-
-- __duration__: The duration of the media, in seconds.
-
-
-## media.getCurrentPosition
-
-Returns the current position within an audio file. Also updates the `Media` object's `position` parameter.
-
- media.getCurrentPosition(mediaSuccess, [mediaError]);
-
-### Parameters
-
-- __mediaSuccess__: The callback that is passed the current position in seconds.
-
-- __mediaError__: (Optional) The callback to execute if an error occurs.
-
-### Quick Example
-
- // Audio player
- //
- var my_media = new Media(src, onSuccess, onError);
-
- // Update media position every second
- var mediaTimer = setInterval(function () {
- // get media position
- my_media.getCurrentPosition(
- // success callback
- function (position) {
- if (position > -1) {
- console.log((position) + " sec");
- }
- },
- // error callback
- function (e) {
- console.log("Error getting pos=" + e);
- }
- );
- }, 1000);
-
-
-## media.getDuration
-
-Returns the duration of an audio file in seconds. If the duration is unknown, it returns a value of -1.
-
-
- media.getDuration();
-
-### Quick Example
-
- // Audio player
- //
- var my_media = new Media(src, onSuccess, onError);
-
- // Get duration
- var counter = 0;
- var timerDur = setInterval(function() {
- counter = counter + 100;
- if (counter > 2000) {
- clearInterval(timerDur);
- }
- var dur = my_media.getDuration();
- if (dur > 0) {
- clearInterval(timerDur);
- document.getElementById('audio_duration').innerHTML = (dur) + " sec";
- }
- }, 100);
-
-
-## media.pause
-
-Pauses playing an audio file.
-
- media.pause();
-
-
-### Quick Example
-
- // Play audio
- //
- function playAudio(url) {
- // Play the audio file at url
- var my_media = new Media(url,
- // success callback
- function () { console.log("playAudio():Audio Success"); },
- // error callback
- function (err) { console.log("playAudio():Audio Error: " + err); }
- );
-
- // Play audio
- my_media.play();
-
- // Pause after 10 seconds
- setTimeout(function () {
- media.pause();
- }, 10000);
- }
-
-
-## media.play
-
-Starts or resumes playing an audio file.
-
- media.play();
-
-
-### Quick Example
-
- // Play audio
- //
- function playAudio(url) {
- // Play the audio file at url
- var my_media = new Media(url,
- // success callback
- function () {
- console.log("playAudio():Audio Success");
- },
- // error callback
- function (err) {
- console.log("playAudio():Audio Error: " + err);
- }
- );
- // Play audio
- my_media.play();
- }
-
-
-### iOS Quirks
-
-- __numberOfLoops__: Pass this option to the `play` method to specify
- the number of times you want the media file to play, e.g.:
-
- var myMedia = new Media("http://audio.ibeat.org/content/p1rj1s/p1rj1s_-_rockGuitar.mp3")
- myMedia.play({ numberOfLoops: 2 })
-
-- __playAudioWhenScreenIsLocked__: Pass in this option to the `play`
- method to specify whether you want to allow playback when the screen
- is locked. If set to `true` (the default value), the state of the
- hardware mute button is ignored, e.g.:
-
- var myMedia = new Media("http://audio.ibeat.org/content/p1rj1s/p1rj1s_-_rockGuitar.mp3")
- myMedia.play({ playAudioWhenScreenIsLocked : false })
-
-- __order of file search__: When only a file name or simple path is
- provided, iOS searches in the `www` directory for the file, then in
- the application's `documents/tmp` directory:
-
- var myMedia = new Media("audio/beer.mp3")
- myMedia.play() // first looks for file in www/audio/beer.mp3 then in <application>/documents/tmp/audio/beer.mp3
-
-## media.release
-
-Releases the underlying operating system's audio resources.
-This is particularly important for Android, since there are a finite amount of
-OpenCore instances for media playback. Applications should call the `release`
-function for any `Media` resource that is no longer needed.
-
- media.release();
-
-
-### Quick Example
-
- // Audio player
- //
- var my_media = new Media(src, onSuccess, onError);
-
- my_media.play();
- my_media.stop();
- my_media.release();
-
-
-## media.seekTo
-
-Sets the current position within an audio file.
-
- media.seekTo(milliseconds);
-
-### Parameters
-
-- __milliseconds__: The position to set the playback position within the audio, in milliseconds.
-
-
-### Quick Example
-
- // Audio player
- //
- var my_media = new Media(src, onSuccess, onError);
- my_media.play();
- // SeekTo to 10 seconds after 5 seconds
- setTimeout(function() {
- my_media.seekTo(10000);
- }, 5000);
-
-
-### BlackBerry 10 Quirks
-
-- Not supported on BlackBerry OS 5 devices.
-
-## media.setVolume
-
-Set the volume for an audio file.
-
- media.setVolume(volume);
-
-### Parameters
-
-- __volume__: The volume to set for playback. The value must be within the range of 0.0 to 1.0.
-
-### Supported Platforms
-
-- Android
-- iOS
-
-### Quick Example
-
- // Play audio
- //
- function playAudio(url) {
- // Play the audio file at url
- var my_media = new Media(url,
- // success callback
- function() {
- console.log("playAudio():Audio Success");
- },
- // error callback
- function(err) {
- console.log("playAudio():Audio Error: "+err);
- });
-
- // Play audio
- my_media.play();
-
- // Mute volume after 2 seconds
- setTimeout(function() {
- my_media.setVolume('0.0');
- }, 2000);
-
- // Set volume to 1.0 after 5 seconds
- setTimeout(function() {
- my_media.setVolume('1.0');
- }, 5000);
- }
-
-
-## media.startRecord
-
-Starts recording an audio file.
-
- media.startRecord();
-
-### Supported Platforms
-
-- Android
-- iOS
-- Windows Phone 7 and 8
-- Windows 8
-
-### Quick Example
-
- // Record audio
- //
- function recordAudio() {
- var src = "myrecording.mp3";
- var mediaRec = new Media(src,
- // success callback
- function() {
- console.log("recordAudio():Audio Success");
- },
-
- // error callback
- function(err) {
- console.log("recordAudio():Audio Error: "+ err.code);
- });
-
- // Record audio
- mediaRec.startRecord();
- }
-
-
-### Android Quirks
-
-- Android devices record audio in Adaptive Multi-Rate format. The specified file should end with a _.amr_ extension.
-- The hardware volume controls are wired up to the media volume while any Media objects are alive. Once the last created Media object has `release()` called on it, the volume controls revert to their default behaviour. The controls are also reset on page navigation, as this releases all Media objects.
-
-### iOS Quirks
-
-- iOS only records to files of type _.wav_ and returns an error if the file name extension is not correct.
-
-- If a full path is not provided, the recording is placed in the application's `documents/tmp` directory. This can be accessed via the `File` API using `LocalFileSystem.TEMPORARY`. Any subdirectory specified at record time must already exist.
-
-- Files can be recorded and played back using the documents URI:
-
- var myMedia = new Media("documents://beer.mp3")
-
-### Windows 8 Quirks
-
-- If a full path is not provided, the recording is placed in the AppData/temp directory. This can be accessed via the `File` API using `LocalFileSystem.TEMPORARY` or 'ms-appdata:///temp/<filename>' URI.
-
-- Any subdirectory specified at record time must already exist.
-
-### Tizen Quirks
-
-- Not supported on Tizen devices.
-
-## media.stop
-
-Stops playing an audio file.
-
- media.stop();
-
-### Quick Example
-
- // Play audio
- //
- function playAudio(url) {
- // Play the audio file at url
- var my_media = new Media(url,
- // success callback
- function() {
- console.log("playAudio():Audio Success");
- },
- // error callback
- function(err) {
- console.log("playAudio():Audio Error: "+err);
- }
- );
-
- // Play audio
- my_media.play();
-
- // Pause after 10 seconds
- setTimeout(function() {
- my_media.stop();
- }, 10000);
- }
-
-
-## media.stopRecord
-
-Stops recording an audio file.
-
- media.stopRecord();
-
-### Supported Platforms
-
-- Android
-- iOS
-- Windows Phone 7 and 8
-- Windows 8
-
-### Quick Example
-
- // Record audio
- //
- function recordAudio() {
- var src = "myrecording.mp3";
- var mediaRec = new Media(src,
- // success callback
- function() {
- console.log("recordAudio():Audio Success");
- },
-
- // error callback
- function(err) {
- console.log("recordAudio():Audio Error: "+ err.code);
- }
- );
-
- // Record audio
- mediaRec.startRecord();
-
- // Stop recording after 10 seconds
- setTimeout(function() {
- mediaRec.stopRecord();
- }, 10000);
- }
-
-
-### Tizen Quirks
-
-- Not supported on Tizen devices.
-
-## MediaError
-
-A `MediaError` object is returned to the `mediaError` callback
-function when an error occurs.
-
-### Properties
-
-- __code__: One of the predefined error codes listed below.
-
-- __message__: An error message describing the details of the error.
-
-### Constants
-
-- `MediaError.MEDIA_ERR_ABORTED` = 1
-- `MediaError.MEDIA_ERR_NETWORK` = 2
-- `MediaError.MEDIA_ERR_DECODE` = 3
-- `MediaError.MEDIA_ERR_NONE_SUPPORTED` = 4
-