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Re: [Linphone-developers] Choppy sound on Android


From: Jehan Monnier
Subject: Re: [Linphone-developers] Choppy sound on Android
Date: Tue, 30 Nov 2010 19:17:31 +0100

Hi,
Well, we cannot guaranty liblinphone works in real time on the emulator. But on HTC desire with GSM codec, it must.
Do you have the same traces from the HTC desire ? Also you can look at top (adb shell top) to make sure an other process is not eating cpu .
Cheers




Le 29 nov. 2010 à 14:19, Alexander a écrit :

  For now I can provide complete logcat's dump for one call (see attached file). If some additional info or debugging options are required, please let me know.

  I asked about git repo because it noticed differences in debug output and event handling in sources.

2010/11/29 Jehan Monnier <address@hidden>
Hi Alexander,

Late ticks can explain choppy voice, but not with only one.
Can you provide us with more traces ?
Regarding git repo, the version from git is the latest.
Cheers

Jehan Monnier





Le 29 nov. 2010 à 13:36, Alexander a écrit :

Hello all!

I try to use liblinphone (sources are downloaded from git) in my Android project and encounter the following problem: incoming sound is choppy, sometimes it completely disappears (but if remote side speaks non-stop, everything is fine). We use GSM codec, comfort noise is disabled. When call is active, logcat shows the following messages:

11-29 12:25:41.783: WARN/AudioFlinger(31): RecordThread: buffer overflow
11-29 12:25:38.142: WARN/mediastreamer(637): Audio MSTicker: We are late of 60 miliseconds.

It this ok? I encounter this on both Android Emulator and my HTC Desire.

By the way, I noticed that liblinphone from git-repository differs from liblinphone included in apk-file. The one in apk is more recent (it's API slightly differs)?
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