Android :: Streaming Audio AAC Format

Jun 22, 2010

I have developed a streaming app for Android. My app is streaming AAC audio.The app works fine on 1.5, 1.6, and 2.1. I tested it on Froyo, the android 2.2 and it does not work there.I have try everthing - Streaming directly from server url - Download incrementaly the content, store in a temp file, start reading. - Download incrementaly the content, store in a ContentProvider and start reading.No luck, I always got errors : 06-23 02:47:02.257: ERROR/MediaPlayer(266): Unable to to create media player 06-23 02:47:02.257: INFO/System.out(266): setDataSourceFD failed.: status=0x80000000 Does Froyo support AAC? Anyone happens to stream AAC?



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Android :: Determining Audio Format Of Audio Files

May 8, 2010

Is there a way to determine the audio format of an audio file in Android? On normal java I do it like this:

File file= new File(...);
AudioInputStream stream = AudioSystem.getAudioInputStream(file);
AudioFormat format= stream.getFormat();

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Android :: Decode MP3 Audio Data To PCM Audio Format In Android

Dec 9, 2009

I am streaming an MP3 audio and instead making this MP3 audio to play, I want it to be converted to PCM format and pass this PCM audio to AudioTrack(as it takes PCM data as input.) instead of passing my MP3 stream to MediaPlayer. Can anyone please help me to convert the MP3 to PCM stream?

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Android :: App To Rip Audio From Video Into Mp3 Format?

Jan 22, 2010

Does such a thing exist please folks - want to rip some audio for an mp3 ringtone from a comedy video clip

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Android :: Improper Audio Format While Using AudioRecord API / What To Do?

Oct 12, 2010

I am doing recording in following way and storing byte array in a binary file. But the binary file I am getting is not in any format. what can be the problem? code...

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Android : Mp3 Encoder - Record Audio In Mp3 Format

Aug 2, 2010

I want to record audio in MP3 format in my android application. I know I can read PCM audio using the audioRecord class. Is there a java library compatible with android that will encode PCM to MP3? Is it possible to use the Lame mp3 encoder library?

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General :: WMP / MTP / Android Audio Format Detection

Mar 5, 2014

According to the MS website, Windows Media Player queries an MTP device to see what formats it supports. My Razr Maxx HD supports ogg and m4a. When attempting to sync WMP does not sync those files stating they might not be supported on the device. Being that I've had so much trouble in the past even getting any of the Android devices to be properly detected as an MTP device I'm worried this is a driver issue.I should be able to get WMP to at least convert them.

this is the device mis-reporting the formats, Windows not querying them properly, or an actual WMP issue? Would like to be able to get sync working without any conversions. Maybe there is a way to hardcode formats within the mtp inf file?

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Android :: Audio Streaming From PC To Phone

Aug 26, 2009

I'd like to be able to keep tabs on my dogs while I'm away. Ideally, I picture an app running on my PC that can stream audio to my cell, when I run an app on my cell. Any ideas around this? And there can be monkeys in the middle (PC to webpage to phone).

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Android :: Audio Streaming Integration

Jan 27, 2009

How can I integrate the cupcake audio streaming code into the existing android sdk?

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Android :: Streaming Audio From URL Using MediaPlayer?

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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Android :: Streaming Audio Over TCP Sockets

May 1, 2010

For my app, I need to record audio from MIC on an Android phone, and send it over TCP to the other android phone, where it needs to be played. I am using AudioRecord and AudioTrack class. This works great with a file - write audio to the file using DataOutputStream, and read from it using DataInputStream. However, if I obtain the same stream from a socket instead of a File, and try writing to it, I get an exception. I am at a loss to understand what could possibly be going wrong.

This is the code:.................

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Android : Does SDK 1.5 Support Audio - Mp3 Streaming

Sep 2, 2009

I am working on a music streaming application and cannot find APIs I can use for it (MediaPlayer supports files only local or HTTP). I have a few questions and would appreciate if someone can help me answering them.

Does Android SDK 1.5 support audio streaming (MP3 stream for example)? If does what API calls I can use? If doesn't what are the plans for future SDK releases that would support streaming? Are there any suggested work arounds until the streaming is supported (like temp files etc)?

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Android :: Update 2.1 Broke Audio Streaming

Jun 30, 2010

I have installed the 2.1 update on my HTC Hero yesterday, and happy as a puppy I instaleld my streaming app... Just to discover that it won't stream decently... It has to stream an mp3 stream and it works on my ADP 1.6 device, on a Samsung Galaxy S test-device (with 2.1) and on the 2.1 emulator...

Logcat is gettign the follwoing errors :

06-30 10:14:18.360: INFO/AudioPolicyService(56): stopOutput(): before lock
06-30 10:14:21.259: DEBUG/dalvikvm(1906): GC freed 28 objects / 1944 bytes in 186ms
06-30 10:14:21.439: INFO/AudioHardwareMSM72XX(56): AudioHardware pcm playback is going to standby.
06-30 10:14:21.439: DEBUG/StreamProcess(56): OutputStreamProcess::ResetAOLC()
06-30 10:14:22.919: INFO/AudioPolicyService(56): startOutput(): before lock
06-30 10:14:22.987: INFO/AudioHardwareMSM72XX(56): AUDIO_START: start kernel pcm_out driver.
06-30 10:14:26.329: DEBUG/dalvikvm(287): GC freed 11 objects / 488 bytes in 268ms
06-30 10:14:47.789: INFO/AudioPolicyService(56): stopOutput(): before lock
06-30 10:14:50.879: INFO/AudioHardwareMSM72XX(56): AudioHardware pcm playback is going to standby.
06-30 10:14:50.879: DEBUG/StreamProcess(56): OutputStreamProcess::ResetAOLC()
06-30 10:14:53.911: INFO/AudioPolicyService(56): startOutput(): before lock
06-30 10:14:54.022: INFO/AudioHardwareMSM72XX(56): AUDIO_START: start kernel pcm_out driver.

The result is a playing player, which stops (pauzes) every 10 seconds, the restarts This will work for about 8-10 restarts and then will simply stop without ever thrwoing an exception or something like that Which makes it somewhat difficult (if not impossible) to catch for us developers So has anyone been experiencing the same problem ? Does anyone have a clue if in this update another OpenCore lib has been used ? Does anyone have any solution ?

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Android :: Audio Only While Streaming Mp4 File To Device

Jul 11, 2010

I 've set Wowza streaming server to stream mp4 videos to Android phones. Android phone can play the RTSP stream successfully but here It only plays audio of the file not the video.

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Android :: Default Streaming Audio Application

Dec 30, 2009

When I pair my sprint htc hero to my car stereo, it always opens the default music player and starts playing a song. Can I prevent this from happening? I generally want to listen to pandora - and not my mp3's. Most annoying part is that the mp3's play simultaneously with pandora until I manually open that music app and pause the music.

There must be a way to either turn off the default action or to plug another program name into that defautl.

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Android :: Streaming Audio To Mobile Phones

May 24, 2010

I'm planning on building an application where audio media is going to be streamed to the mobile phone for the user to listen.The targets are smartphones: iPhone/Blackberry/Android/(J2ME ?).I see that streaming on iPhone has to be done with HTTP Live streaming, but I don't see it supported by other platforms.Should I broadcast the streams via rstp ? http ? Is there any way to use a unified solution for all the different mobile platform ? If anyone already had to go through this, help would be greatly appreciated.

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Android :: How To Play Streaming Audio / Video From URL

Nov 1, 2010

I am new in Android. I am using android os 2.2. I am trying to play streaming audio and video from url. I don't know what to do for that. after 3 days og googling i come to know that I have to use mediaPlayer and MediaController classes.I had use different differend combination of codes found on internet but not succeed.Can anybody guide me what to do for streaming audio/video playing. What about the UI if we use MediaPlayer or Controller class. is there any thing to related these in xml file of layout.if not then even please tell me what may be the code for that.please help me.

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Android : Requires Streaming Of An AAC Audio Stream

Aug 7, 2010

I'm working on an app for a client that requires streaming of an AAC audio stream. Unfortunately, there's nothing I can do about the stream format on the server. I'm working on Android and have discovered that Android's media player does not support raw AAC streams (which is what I'm getting). I found a project on Google Code that supports it (I tested it with the stream) but it's GPL'ed and that doesn't work for my client. I don't have much experience with this sort of thing so forgive me if my ideas aren't great. I know Android can play AAC encoded content if it is in an MP4 wrapper so I had thought about creating an MP4 wrapper on the fly on the client-side or perhaps even just doing some conversion to another format on the fly. Are these reasonable options? Does anybody have better suggestions?

Edit To rephrase, is it possible to put a raw AAC stream from a web server in an MP4 container in real time? If so, does anybody know of resources to help me with the process?

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Android :: Native MediaPlayer Plays Audio But Not Video - 3gp Format

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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Android :: Want To Record Audio In WAV Format / Phone Supports *.3gp - *.AMR Type

May 14, 2009

Now i want to record audio in WAV format. What should i do now because android only supports *.3gp or *.AMR type?

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Android : Need To Record Audio - Video Recording Files In 3gp / Mp4 Format

Jul 19, 2010

I need to record audio and video files in 3gp/mp4 format at the same file and same time.

When i run my application file is created with videofile.3gp but video does not record in sd card on the emulator.please let me clear one thing does video records on the emulator? if i run this code on android supported device do these error clear.
Please help me. I am new to this topic.please find the code and errors below.

package com.video;

* @copy Rights
* audio.java
* sample code for Eminosoft Developerworks Article
* Android development Team
* www.eminosoft.cm

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.provider.Settings;
import android.util.Log;
import android.view.View;
import android.widget.Button;

public class video extends Activity {

public MediaRecorder mrec = null;
private Button startRecording = null;
private Button stopRecording = null;
private static final String TAG = "SoundRecordingDemo";
File audiofile;
File video;
private MediaPlayer mMediaPlayer;}

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Android :: Audio Track Class Streaming Mode

May 18, 2010

I am trying to playback voice data which is received in form of RTP packets in my application. The class
Receiver.java extends thread is playing back the audio. The question is
1. For real time streaming operation how to configure the write(byte[], int offsetInBytes, int sizeInBytes) methods?
2. What is the function and purpose of getPlaybackHeadPosition() What is playback head position kindly explain! Note: The RTP packets I am receiving are not from a traditional Datagram Socket but rather then from Ad Hoc Network so there is unknow delay for receiving the RTP packets. I need to design the Receiver class to play back the voice as soon as packets are recieved. Kindly help me in this regard You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+ unsubscribe@ google groups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

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Android :: Streaming Audio From Computer To Device Via Bluetooth Possible?

May 21, 2010

I want to stream audio directly from my mac via bluetooth to my nexus one. This might sound crazy, but I actually want to be able to control the audio from my mac. I just want to be able to connect an audio jack to my nexus one and let it stream the audio via bluetooth. Is there an app for that?

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Android :: Mediaplayer To Play Live Streaming Audio

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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Android :: Streaming (live) Video And Audio From Camera Example App?

Mar 23, 2010

Where to get streaming (live) video and audio from camera example for Android? Suppose I want to create some live video streaming service app so I'll have some cool server at the back end. And I know how to do that part. Suppose I have some stand alone app for PCs now I want to go on to mobile devices. So I want to see some sample app grabing audio and video streams from Phone, Synchronizing them, encoding somehow, and sending LIVE stream to server. I need any Open-Source sample that will do this or something like this. Where can I get such one?

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Android :: Possible To Use Media Player To Play Streaming Audio?

Mar 21, 2010

The dev guide suggests this
MediaPlayer mp = new MediaPlayer();
mp.setDataSource(this, Uri.parse("http://wamu-1.streamguys.com:80"));
mp.prepare(); mp.start();
I can't seem to get it working though.
I'm getting "java.io.IOException: Prepare failed.: status=0x1"

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Android :: MediaPlayer Provides Wrong Duration On Audio Streaming

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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Android :: Application - Play Streaming Audio And Video?

Apr 16, 2010

I want to develop a player on Android, which can play streaming audio and video.how should i start about?

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Android :: How To Record Audio From Mic In Raw Pcm Format Into A Buffer Using Native Libraries Directly

Oct 9, 2009

My application cannot handle the JNIE overhead, as I need to make 2 JNIE calls to the native C/C++ code for every 20msec. So I am trying to use the native media libraries and the realted C/C++ files provided by Android in the folder "//external/srec/audio/test" of the donut build. Ex. AudioHardwareRecord, AudioInRecord etc.. I am implementing all the calls in the native layer.

I am using the sampling rate as 8000 and want to read 160 samples (320 bytes) at a time.

I used the following values to create the AudioRecord..

CODE:..........

It says "success" after creating this interface but I am getting the error "Bad Value" if I am doing the InitCheck.

And it is crashing once I start reading the samples or if I try to retrieve the configured sampling rate.

Has anybody tried to access this native code?

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Media :: Record Audio Into Ogg Format?

Dec 20, 2009

How to record audio into ogg format?

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