Android :: Correctly Set MediaPlayer Audio Stream Type
Aug 21, 2010
I'm trying to create a way to adjust volume settings for each of the different streams (media, notification, ringtone, etc) and have a way to preview the output sound level of each stream. I believe I have the correct implementation, but when I set the output stream type, there is no sound that plays.
Here is the code that correctly plays the user's selected alarm sound:
CODE:.................
That commented out line is what is causing me problems. I would like to hear the alarm sound at the volume levels of the different audio streams, but when I include that line for STREAM_ALARM or any other audio stream, no sound at all plays.
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Nov 27, 2009
I am trying to make a very simple radio player for Android and I cannot get the audio streaming to work. In my latest attempt it plays for about 1 second and stops for some streams and it doesnt work at all for some other streams. Logcat doesn't give much useful information to me. I am testing on HTC Hero (Android 1.5).
If I hook the completion and buffer events I see the audio gets a complete event but it keeps buffering. Is there anything wrong with the code below? Should I be able to stream the the audio streams below? Is there a complete example somewhere of a working radio streaming?................
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Oct 27, 2010
I am trying to stream mp3 stream from my local http server indeed hosted on my phone to android media player.When local server gets the new socket , it starts writing some http headers followed by mp3 stream. but mediaplayer socket is throwing "Broken pipe" exception.Wat may be the issue causing this.
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Mar 11, 2009
Is it possible to stream a very large mp3 using MediaPlayer? The mp3 I am interested in is over 270 mb.
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Feb 17, 2009
I would like to receive an audio stream from an application running on a PC using the 802.11 connection. I tried the following and received Error (-1, 0) from the MediaPlayer:
mp = new MediaPlayer(); mp.setAudioStreamType(AudioManager.STREAM_MUSIC); mp.setDataSource("http://10.1.201.114:11224");
The MediaPlayer does connect to the application and the application starts sending audio but nothing happens on the G1. Is the setDataSource call above correct? If so, how do I set things like sample rate, etc? If not, any help would be great!
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Sep 22, 2010
Is there an Android equivalent to the iOS Core Audio / Audio File Stream Services? I need to be able to read audio bytes from a network and feed them to the audio system under my control, so I can do my own timeouts / reconnects / range requests / etc. without interrupting the audio playback (since the system audio thread would be playing audio already enqueued). It seems that MediaPlayer doesn't give me this level of control. Is there a lower-level framework that does, either in the SDK or NDK?
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Apr 28, 2009
Could I somehow trick the player on playing something of this format? I know that there is support for AAC encoded files but just how?
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Jan 29, 2009
I've been using androids MediaPlayer to stream from an http url and have a question about seeking. Currently, our urls expire after they have been used once or a certain time out has expired to dissuade scraping content. Now, this obviously makes progressive streaming past the buffer impossible with the exact same url as you need to open a new http connection with the same mangled key, which we intentionally don't allow.
However, MediaPlayer seems to do this when seeking before the current position (i.e. seeking from 1:00 in the audio to 0:30). As the file has already been downloaded up to the current position I'm confused as to why MediaPlayer is still trying to initate a new http connection in this case? The only thing I can think of is that MediaPlayer is getting rid of audio its already played up to the current position, and hence needs to restart the connection if you try to seek back on the stream. Is this correct, or is there something else going on?
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Oct 3, 2010
I have an app that worked fine on Android 2.1 (Eclair) but is no longer working in 2.2.1 (Froyo). I think this may have to do with the shift from OpenCore to StageFright for video encoding and decoding, but am unsure.
The debug logs show two things I'm not sure about:
Does this mean H.264 baseline is not supported? WARN/QCvdec(59): Parsing Error unsupported profile or level No idea about: ERROR/PVOMXVidDecNode(59): Ln 1373 OMX_EventError nData1 -2147479542 nData2 0
Play the following url (it works fine in VLC, for example): rtsp://nexus3.dropcam.com/6821ec44e37846428850ec195d69969a
The code:.........
The debug result:
CODE:................
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Aug 9, 2010
I just got a hold of an HTC Evo and well my app really looked bad(What a shame my part But the app looked great on another device I got Xperia X10.The differences: Evo: 480x800 X10: 480x854.Currently I have only 2 layouts that need special attention.My questions... What is the best way to properly handle screens resolution/sizes/types? I thought I would create the following resource folders: res/layout res/layout-800x480 res/layout-854x480.Does anyone know if this is the best way to handle specific layouts for specific screens?Doing it by resolution size?
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Dec 27, 2009
I've been trying to stream mp3's over http using Android's built in MediaPlayer class. The documentation would suggest to me that this should be as easy as :
MediaPlayer mp = new MediaPlayer();
mp.setDataSource(URL_OF_FILE);
mp.prepare();
mp.start();
However I am getting the following repeatedly. I have tried different URLs as well. Please don't tell me that streaming doesn't work on mp3's.
E/PlayerDriver( 31): Command PLAYER_SET_DATA_SOURCE completed with an error or info PVMFErrNotSupported
W/PlayerDriver( 31): PVMFInfoErrorHandlingComplete
E/MediaPlayer( 198): error (1, -4)
E/MediaPlayer( 198): start called in state 0
E/MediaPlayer( 198): error (-38, 0)
E/MediaPlayer( 198): Error (1,-4)
E/MediaPlayer( 198): Error (-38,0)
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Apr 27, 2010
Does anyone know the filepath for an Archos? I'm trying to get some media/audio to play, and it just won't find it...
public void onClick(View v1) {
final MediaPlayer mp = new MediaPlayer();
try {
mp.setDataSource("ARCHOS5:/Music/manowar.mp3");
mp.start();
Toast.makeText(Textbox.this, "Working", Toast.LENGTH_LONG).show();
mp.setLooping(true);
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();............................
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Nov 8, 2010
In my music app, i would like to play live streaming like radio broadcasting with mediaplayer as Mediaplayer mp = new Mediaplayer(); mp.setDataSource(LiveStreamingURL); mp.prepare(); mp.start(); but after playing for few seconds it is stopped. I dont know how to overcome it. Give me your suggestions for this.
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Feb 8, 2010
I want to create an Android application that is a client for an Internet radio station. And I want it look native to Android? But im confused with Android API logic and documentation. What i've got is that I need MediaPlayer and MediaController classes. Am I right, and is there any good example of AUDIO player for Android?
Especially, I'm very interested how to use MediaPlayer and MediaController classes together.
UPD:
Finally I've got the code, that does exactly what I want:
CODE:..............
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Apr 8, 2009
Some audio files return 0 from MediaPlayer.getDuration(), even though they're perfectly valid files that play ok and that players on Windows can find the duration of. There seem to be two different cases here: certain file types such as .wma and .wav always return 0 duration, and others only do so sometimes. I haven't been able to find any pattern in the latter case, but it does seem consistent per file. The music player displays 0:00 duration for these, so it's not just my code.
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May 27, 2010
I am having the following problem: I am using Android's MediaPlayer to play an mp3 through an HTTP connection. The audio is played correctly, but the MediaPlayer returns an incorrect duration (calling mediaPlayer.getDuration() ). Depending on the mp3 the duration is either shorter or longer. The code that plays the audio is the following:
mediaPlayer = new MediaPlayer(); mediaPlayer.setOnCompletionListener(this); mediaPlayer.setOnErrorListener(this); mediaPlayer.setOnPreparedListener(this); mediaPlayer.setOnBufferingUpdateListener(this); mediaPlayer.setDataSource("a valid URL"); mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); mediaPlayer.prepareAsync();............................
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Oct 13, 2009
Is it now possible mit sdk1.6 the audio decoder to access/use without using MediaPlayer ?
I saw : New version of OpenCore
Android 1.6 includes the updated OpenCore 2 media engine, which has:
* Support for OpenMAX encoders* Support for additional audio codecs in AuthorEngine* Improved buffering model supports shared buffers allocated in the decoder. but dont know how!
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Jun 16, 2009
I have the following native source code that is supposed to display video. It plays 3gp file ok and I can hear the audio, but the video is not shown.
CODE:..............
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Nov 18, 2009
I have a activity which is called from another activity as an intent... This activity loads and starts playing a audio file. All is good - that much works. The activity also has a "stop" button and that stops the audio from playing - that is also fine.
But how do I stop the file from playing if the user uses the back button to leave the activity without clicking on the "Stop" button?
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Aug 23, 2009
I used Class MediaRecorder to play mp3 file, the source like this:
CODE:.............
It runs no problem. But I want to get the stream,and write the byte array to the stream, let mick sound the refreing voice.
by use java source I can did that. the source like this:
CODE:.............
You know,Android SDK don't include the class SourceDataLine(package javax.sound.sampled).
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Sep 23, 2009
is possible to analyze audio stream spectrum with Android API (similar to what you can easily do with Flash). Basically what I need is to determine the duration between two claps in a small audio record. The claps are much louder than the background, so theoretically it should be somehow possible..
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Mar 10, 2009
I want to send audio stream to internet directly, instead of store in the file. But the output of MediaRecord only supports file by seting setOutputFile(String path) , not OutputStream. Is there any methods to do this?
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Sep 16, 2010
Can i stream the audio from my mac to my phone?
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Feb 10, 2010
How to play audio from a stream in android? I will get input stream from an online link( like continuous FM). I need to cache the stream and play it. I searched a lot in sites,,,but didnt get.They show option of playing from a stored file. There is no option to play from a stream.
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Aug 17, 2010
I have seen apps in the Android Marketplace with regards to an app recording an ongoing phone conversation. I am interested in how this is done. Anyone knows how the call is being recorded?Is there a way to maybe get an Audio Stream for a call in Android?
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Oct 13, 2009
I can capture an audio stream from the mic, but can I capture the currently playing audio stream?
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Apr 22, 2010
For some reason I am not longer able to reply on that topic, so I will start a new post with my further input. I noticed that in the newer Android versions the system will now automatically mute audio streams while some types of audio notifications are playing. This is a nice solution for many types of audio. For music players this works well. My audio application is an audiobook player. The reason that I had posted the original topic about the ability to get a notification when other audio needs to play, is because for an audiobook, muting the audio isn't a very good solution. People miss part of the dialog of the audiobook while it is muted.
I now have customers writing to me and complaining that it skips part of their audiobook when other notifications play. It appears to be skipping to the listener because the audiobook continues to play but is muted while the other audio notification plays. Is there a way for my application to get a notification when its audio stream gets muted and unmuted?...............
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Jul 18, 2010
I have a Samsung Moment with Android 2.1 on it and lately I cannot stream music or video in any app that I try. The YouTube app says "Sorry, this video cannot be played." for every single video, and if I try to use something like DroidLive (for shoutcast and such) it has a connection error every time. Grooveshark has an "Unknown MediaPlayer error." I tried a few other random apps off of the market to try to rule things out and none of them would play. Music that is stored on my SD card plays just fine.
It doesn't only not work sometimes, it doesn't work 100% of the time now. Happens when I have 3G and even if I'm connected to Wifi. I did a factory reset last night thinking that maybe an app had messed with a setting somewhere and it still doesn't work. I have no clue what else I could possibly try.
EDIT: As requested by the stickied thread:
1.) Model Number - SPH-M900
2.) Firmware Version - 2.1-update1
3.) Baseband Version - S:M900.8.0S.DD03
4.) Kernel Version - 2.6.29
5.) Build Number - ECLAIRDD03
And the hardware version is M900.8.0
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Jan 11, 2010
Let me first state that I do not know Java. I'm a .NET developer with solid C# skills, but I'm actually attempting to learn Java and the Android SDK at the same time (I know it's probably not ideal, but oh well, I'm adventurous :)) That said, my end goal is to write a streaming media player for Android that can accept Windows Media streams. I'm okay with restricting myself to Android 2.0 and greater if I need to. My current device is a Motorola Droid running Android 2.0.1. There is one online radio service I listen to religiously on my PC that only offers Windows Media streaming, and I'd like to transcode the stream so my Android device can play it.
Is such a thing possible? If so, would it be feasible (i.e., would it be too CPU intensive and kill the battery)? Should I be looking into doing this with the NDK in native code instead of Java? I'm not opposed to writing some sort of service in between that runs on a desktop computer (even in C#), but ideally I'd like to explore purely device-based options first. Where should I start?
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Sep 28, 2010
I lige watching movies on my computer, while im laying in my bed, but the cord from my headset is too short. is there an app where you can turn your phone into a wireless headset throug wifi so you can play the movie on your pc and get the sound through a headset you plug into your phone?
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