Re: [Ltib] mp3play produces sound but mplayer doesnt?

[Krzysztof Stankiewicz]

Hi,

My rootfs is all setup and Ive followed those instructions before. I can verify this by using another kernel that playback does work.

No matter how I compile the kernel though I can never get the amixer working (unless I uses a kernel binary provided by vendor)
address@hidden /usr]# amixer
amixer: Mixer default load error: Inappropriate ioctl for device

I did manage to get 2.6.27 working with sound now by enabling Bus Support -> PCMCIA.
But mplayer strangely pauses during playback every 0.5 seconds. It does it with mp3s.

Im trying the same with 2.6.34. theres no pausing but neither is there any audible audio.

Ive enabled all sound related options in the kernel...and as far as I can ive configured .27 and .34 similairly.

In .27 I enabled I2C0 and I2C1.. I dont see this option in .34 under system type -> chip components. (im not sure if i2c is used for sound but...)
i have this enabled in .34 though; device drivers->i2csupport->i2c hardware bus 0->[*]i2c bus support for philips pnx.

---

From: address@hidden
To: address@hidden; address@hidden; address@hidden
Date: Tue, 3 May 2011 16:15:33 +0200
Subject: Re: [Ltib] mp3play produces sound but mplayer doesnt?

 

Hi,

 

It might require ALSA device nodes in /dev/snd/. Have you checked the setup for ALSA (check http://www.lpclinux.com/Forums/ForumLPC32xx0001) and also verified the volume is on?

 

thanks,

Kevin

 

Subject: Re: [Ltib] mp3play produces sound but mplayer doesnt?

 

Oh hi I meant;

mplayer is capable of decoding mp3's also, but when it attempts it theres no sound coming out.

So i wonder how to make it use existing hardware correctly when mp3player can?

Something to do with OSS/ALSA..? something wasnt compiled into the kernel I have?


> Date: Mon, 2 May 2011 15:09:09 +0100
> From: address@hidden
> To: address@hidden
> CC: address@hidden
> Subject: Re: [Ltib] mp3play produces sound but mplayer doesnt?
>
> mp4 is a different format an needs a different codec/package.
>
> On 28/04/11 09:16, Krzysztof Stankiewicz wrote:
> >
> > any clues to this?
> >
> > if mp3play can play an mp3 why i can only get blips from mplayer when
> > playing an mp4?
> >
> >
> >
>
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