Android :: OpenCore / Streaming MP3 Over HTTP?

May 12, 2010

Im experiencing an intermittent and very frustrating issue with MediaPlayer on Android when streaming MP3 over HTTP. Ive done as much research and debugging as I possibly can to try and find a solution, but am coming up short. I cant find reference to this issue anywhere, including Essentially, whats happening is MediaPlayer will not come out of the preparing state. The device is receiving audio data during this time, as indicated by network sniffs and the MediaPlayer buffering callback being invoked repeatedly with increasing percentage values, but eventually the buffer appears to become full and stops receiving. Because prepare() never returns, or more accurately when prepareAsync() is used and the onPrepared callback is never invoked, and neither the onError() nor onInfo() callbacks are invoked, the application can neither call MediaPlayer.start() nor make any sort of recovery. Other notable observations: The problem is intermittent, meaning that subsequent attempts to play the exact same MP3 stream from the exact same server may exhibit this behavior or not - The problem seems to be exasperated when the device is connected via 3G versus wifi - The problem occurs on different MP3s encoded by different software - The problem occurs when streaming from different HTTP servers - The problem cannot be reproduced on any of the Android SDK emulators - The problem can be reproduced on the HTC Incredible, Verizon Motorola DROID, and HTC Touch - When MediaPlayer successfully returns from the preparing state, there is an info message (what=1, extra=44) received. This info message is not received during the problematic case. Anyone ever experienced this, or even find a solution?

Android :: OpenCore / Streaming MP3 over HTTP?

Android :: 2.1 Supports Http Streaming For Mp3?

Sep 1, 2010

Does Andriod2.1 supports http streaming for mp3?

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Android :: Need HTTP - RTSP Video Streaming

Jul 26, 2010

I need HTTP/RTSP Video Streaming with Android. Any Ideas ?
Is that possible to go with JMF with Android ? Any Working examples ?

Already tried with

Its not working with my case. Are there any specific types of videos that Android can stream?

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HTTP Live Streaming And Flash On Android?

Feb 7, 2011

i have read many posts related to http streaming but i haven't found any solution yet. My objective is to stream a video using http protocol.

i also want to know about streaming flash video too.

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Android :: Recording Amr Audio And Streaming To HTTP Server In Realtime

Jul 6, 2009

AudioRecord can record audio data in pcm format in realtime, but there is no audio-encoder who can encode pcm data to amr format. may be third-party java code can do this, but the performance may be very low.MediaRecorder just record audio data to disk. not realtime.It seems that this is a real miss-impossible?

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Android :: Windows Media Services Streaming - Using RSTP Or HTTP

Oct 31, 2010

Is it possible to stream video to an Android device by using Windows Media Services? Which protocol should I use between RTSP and HTTP? Actually, I have a video file (MP4 format) at a server and I want to stream video files to an Andriod device.

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General :: Player HLS (HTTP Live Streaming) Code Modification

May 25, 2012

I have source code from an appli running on android 3.2 with a WAMP Server and WowZa Server on my desktop. I have to make it accept the HLS (Http Live Streaming). I saw on the web that the Vitamio Library can do that so i used it. I know that natively, android 3.0+ do it well but i do not succeeded make it work successfully.

The player is successfully displayed but no video starts..After a reboot of my router (because my server didn't answer), the player crash each time.

Somestimes yes, sometimes no, i have some logs, they are as attachment.I think a buffer problem...

I think I have to implement this method (at the end of my code) but i know what type in it.public void onBufferingUpdate(MediaPlayer mPlayer, int percent)


Here's my code from the Player Activity :

package fr.niji.broadpeak.activity;
import java.util.ArrayList;
import android.content.Context;
import android.content.Intent;


Commented lines are the lines when i had still not used Vitamio.

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Android :: RTSP And HTTP Streaming In Android

Apr 29, 2009

I need your help regarding streaming in android. I read some of the previous discussions but I have a few doubts which I thought of clarifying from you. Please help me with the following aspects:

(i) Does android supports RTSP and HTTP streaming?
(ii) One discussion read -> "Streaming does not work in the emulator environment due to some firewall issues in the emulator network layer". Is this issue not resolved till now?
(iii) I used the api demo code available
@ ApiDemossrccomexample

Here I set the path as->
path = "Rtsp:// 3gp"; OR as ->
"path = "rtsp://"
This is crashing @ mMediaPlayer.prepare();
(I am using darwin streaming server)

This is playing fine in local playback. But, I am not able to understand why it is crashing here.
(iv) The supported codecs are MPEG4 Video, AVC, MPEG4 Audio, AMR, and H263. Am I correct? I await your response. Kindly assist.

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Android :: New OMX Component Integration Into Opencore

Aug 2, 2010

I am trying to integrate VP8 video codec into PV opencore FW in Froyo & test at PV test application level. I have done the following steps, 1. Made a new folder for vp8 @ external/opencore/codecs_v2/omx/ omx_vp8. 2. Made appropriate modifications in the omx_baseclass, omx_common etc. 3. Modified the PV test app (external/opencore/codecs_v2/omx/ omx_testapp) for testing VP8. 4. included the VP8 source code to froyo. 5. Included new oscluuid for VP8 With these modifications, the build is fine. The shared libraries and binaries are creating properly. Also OMX-MasterInit is passing. But the application fails at OMX_GetHandle(). *pHandle is coming as zero. I am using the PV OMX core. I am just adding a new codec which is not supported by PV Opencore and test at PV test_app level.Can you please answer my below queries: 1. Do we need to change the pvplayer.cfg file? Bcoz i am using the PC omx_core itself. 2. Any other changes needs to be done for integrating a new component into Opencore? Please provide you valuable inputs. Let me know if need any additional informations.

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Android :: Possible To Use Directly OpenCore From Java

Sep 27, 2009

Anybody know if it is possible use directly OpenCore from java or native with NDK ?

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Android :: Opencore Test Result

Mar 22, 2010

Here is what I got while running a test case of open core . *************** # pvplayer_ engine _test -test 1 1 SDK Labeled: PVDEV_ CORE_RELEASE_6.506.4.1 built on 20090312 Test Program for pvPlayer engine class. Input file name 'test.mp4' Test case range 1 to 1 Compressed output Video(No) Audio(No)Log level 8; Log node 0 Log Text 0 Log Mem 0 Starting Test 1: Open-Play-Stop-Reset Results for Test Case 1: Successes 1, Failures 1 Total Execution time for file test.mp4 is : 2.712000 seconds# *************** I want to ask why it shows 1 success and 1 failure . there should be only 1 pass or 1 fail only . Do each test case have multiple sub-tests within them ? which class in source code finally decide whether it is pass or faiL?

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Android :: Adding New Format To OpenCore

Jul 14, 2009

I am trying to add flash (flv) support to openCORE, i found some hints in this forum but still there are many things that unclear. I would like in the beginning to play local .flv file,from SDCARD, without streaming. As i understand i need to implement Parser within fileformats, "parser node" and "recognizer" and register it with player engine, and of cause add h.263 Sorenson codec. Can someone point me to the information on the data flow from the main Player Engine to the "parser node", what API is used,? How will "parser node" send the data to the Codec Engine? Which parts will i have to add to enable streaming later? I also looked inside the documentation within opencore but did not find relevant information, perhaps i missed something and someone can point me to where should i look.

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Android :: Difference Between StageFright And Opencore

May 24, 2010

What are the differences between StageFright and Opencore? What does this mean to app developers? Please point me to any links, tutorials online. You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to To unsubscribe from this group, send email to For more options, visit this group at

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Android :: Opencore Test Cases Error

Feb 24, 2010

I guess ur doing it correctly.While running the test cases already provided by the PVcore,one can only see the logs and not the output on the screen or the speaker. This is what my experience says.Other people who worked on this can confirm.

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Android :: Opencore / Progressive Download - How Does It Work ?

Nov 20, 2009

when a video is played over http (progressive download), in some cases, the application stops the current http connection and continues the download using a new http request with a range header. closing the connection is the phone choice, not server. somebody knows in which cases the phone behaves this way?

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Android :: Video / Audio Frame As Input To OpenCore

Aug 5, 2009

I am not able to use MediaPlayer/VideoView to make rtsp to work in Android. So I have created a client to interact with RTSP server, I have succeeded in doing this.I am able to get the video/audio frame from RTSP server (MySpace) in Android. Now I want to play the frames. I have searched OpenCore APIs to play the frames, but didn't get any APIs. My investigation: There is a class PlayerDriver.c It creates two sinks one audio and other video. handleSetVideoSurface handleSetAudioSink Two objects of type PVPlayerDataSinkPVMFNode are created. I suspect this class has a way to give the stream as input, but I am not getting the definition of this class. Can you suggest me is there any class I need to look into it?

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Android :: How To Let OpenCore Can Make Files Under AVI Parser Node Folder

Jul 17, 2010

I create aviparsernode folder by coping from MP4 parser node folder under /external/opencore/nodes/. But when I type "make" command under /external/opencore/build_config/opencore_dynamic/. The files under aviparsernode folder are not compilied. Does any one knows how to let OpenCore to make files under aviparsernode folder?

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Android : Video Resolution Supported By PV Codes In Opencore Module?

Jan 29, 2009

What are the video resolutions supported by the PV codes in the opencore module? Is there a manual or guide describing this?

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Android :: Android 1.6 New OpenCore - How Shared Buffers Affects?

Oct 8, 2009

The following what written on the Android 1.6 Platform Highlights: 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 Could someone explain to me how this affects us the developers? Does this mean now we can play other media types? What in reality is new to us on Android 1.6 in regards to OpenCore?

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Android :: How To Test Opencore On Android Emulator?

Feb 26, 2009

I am trying to integrate my codec on the ARM side using my own OMX core. Now I would like to test it on the Android Emulator using the Eclipse and Android SDK. I would like to know, *Tool chain used to compile openCore * How to set up Android Emulator to test my latest openCore (after integrating the Codec)?

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Android :: How Do I Use Android Opencore Codecs Using JNI?

Jul 15, 2010

I want to use the codecs in Android from my application. For now I just want to use the H.264 codec for testing, unless the mp3 or aac codecs provide functions for sending the audio to the device's speaker in which case I would prefer one of those.I have the NDK installed along with Cygwin, GNU Make, and GNU Awk. I can't figure out what I need to do from here though. I'm downloading the entire OpenCORE tree right now but I don't even know how to build it or make Eclipse plugin know it needs to include the files.An example or a tutorial would be much appreciated.EDIT:It looks like I can use JNI like P/Invoke which would mean I don't have to build the OpenCORE libraries myself. However, I can't find any documentation on the names of the libraries I need to load. I'm also confused as to how to do it. I'm looking at and I don't understand what the purpose of writing a library to access a library is. Couldn't you just use something like System.loadLibrary("")?

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Android :: Use HTTP/1.0 In HttpClient

May 26, 2010

By default HttpClient use HTTP/1.1 protocol, is there any way to change it to HTTP/1.0?

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Android :: HTTP Notifications Don't Come

Aug 11, 2010

I have a paid app on Android Market. I've set up an HTTPS notification URL in Google Checkout settings. Yet notifications don't come. Please, what am I doing wrong? Are realtime order notifications supported for Android Market at all? If so, is there a separate UI for setting those up?

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Android :: Getting Url Of Http Response?

Apr 6, 2010

I have a problem. I'm doing a http post request to a URL like this; DefaultHttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost(url); HttpResponse response = httpclient.execute(httppost); I am able to get the response content (html in this case) but I would like to be able to get the url of the response. Is there a way? Or could i use some other technique to do the post request and retrieve the url? The repsonse url is lke and would like to get the parameter values, I've tried to use the getParams().getParameter() on the HttpResponse object without any success. So if anyone has a solution to get the parameters without getting the url.

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Android :: How To Use Http Delete

Mar 3, 2010

I want to ping a url and post a xml to it using http delete as i want to initiate a delete action on the server side.

But i am not able to post the xml using http delete.


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Android :: Http GET 400 Error?

Mar 25, 2009

I need to make a GET request to the which takes 3 mandatory headers


I am trying this code:....................

responseCode is 400 which seems a header missing error

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Android :: How Do Perform Http GET

Jul 21, 2009

Given a Url for an image, I wanted to downoload it and paste it onto my canvas in android. How do I retrieve the image to my app ?

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Android :: How To Do HTTP Authentication

Dec 28, 2009

I am checking out the class org.apache.http.auth. Any more reference or example if anyone has?

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Android :: Which Org.apache.http Is Using - And Where Can Get That As Jar?

Mar 8, 2010

At the moment I'm trying to build some integration tests for an android project. I would like to use the same apache http classes I use on the android. Which version is this and can I get a jar of that somewhere?

Trying to use the jar that comes with android only resolves in Exceptions... But most of the tests won't need running them in the emulator all the time just because I use some apache libraries or do they?

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Android :: HTTP Get Methods?

May 14, 2010

I have written a number of applications for blackberry and am just starting in Android. It seems to me that android has a lot more built in functions. I am starting by recreating some of my BB apps on Android and on one I take a few xml sites and parse them out. On blackberry I implemented this by creating a class that extended a thread. I would construct a new instance of this class with the parameters of my http request and it would call a function back in my main class, sending it the results. I am tempted to reuse my code, but am curious if android has something better built in. I have been looking at the handler class as well as possible using a service.

Bascially, I would like to start a new thread that will return a document of a specific url.

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