From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.chez-thomas.org (mail.mlbassoc.com [65.100.170.105]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id AF38CE007C6 for ; Fri, 3 Jan 2014 09:15:15 -0800 (PST) Received: by mail.chez-thomas.org (Postfix, from userid 1998) id 9A456F8121F; Fri, 3 Jan 2014 10:15:14 -0700 (MST) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on hermes.chez-thomas.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=4.0 tests=ALL_TRUSTED,BAYES_00 autolearn=unavailable version=3.3.2 Received: from [192.168.1.114] (zeus [192.168.1.114]) by mail.chez-thomas.org (Postfix) with ESMTP id 69E67F811EE; Fri, 3 Jan 2014 10:15:13 -0700 (MST) Message-ID: <52C6F028.7020304@mlbassoc.com> Date: Fri, 03 Jan 2014 10:15:20 -0700 From: Gary Thomas User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Eric Nelson , Fabio Estevam References: <52C6D4EF.4060502@mlbassoc.com> <52C6DC67.9080700@mlbassoc.com> <52C6EE28.2080007@boundarydevices.com> In-Reply-To: <52C6EE28.2080007@boundarydevices.com> Cc: "meta-freescale@yoctoproject.org" Subject: Re: [meta-fsl-arm] i.MX6 audio performance X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jan 2014 17:15:15 -0000 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2014-01-03 10:06, Eric Nelson wrote: > Hi Gary, > > On 01/03/2014 08:51 AM, Gary Thomas wrote: >> On 2014-01-03 08:23, Fabio Estevam wrote: >>> On Fri, Jan 3, 2014 at 1:19 PM, Gary Thomas wrote: >>>> I'm trying to play MP3 files on my SabreLite (using mplayer from >>>> meta-oe). The performance is horrible; I only hear a fraction >>>> of a second then noise/nothing then another fraction of sound, etc. >>>> If I convert the file to .WAV and play using 'aplay' the sound is >>>> perfect. >>> >>> Which mp3 decoder is being used on your test? >> >> This is what mplayer tells me: >> ========================================================================== >> Forced audio codec: mad >> Requested audio codec family [mad] (afm=libmad) not available. >> Enable it at compilation. >> Requested audio codec family [mpg123] (afm=mpg123) not available. >> Enable it at compilation. >> Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders >> AUDIO: 44100 Hz, 2 ch, floatle, 128.0 kbit/4.54% (ratio: 16002->352800) >> Selected audio codec: [ffmp3float] afm: ffmpeg (FFmpeg MPEG layer-3 audio) >> >> So I assume that it's using FFMPEG. I get the same messages on my OMAP3 >> >> I've also run the same experiment on the SabreLite using gstreamer like >> this >> gst-launch filesrc location=file.mp3 ! audio/mpeg,layer=3 ! >> ffdec_mp3 ! alsasink >> This also plays fine on the SabreLite, so it seems that it's only something >> about mplayer. >> >> I also noticed that on the SabreLite, mplayer is using an additional >> library >> libXxf86dga.so.1 >> and that it was built using hard floating point (the OMAP3 is soft). >> >> Any ideas? >> > > Are you forcing ALSA output using '-ao alsa'? I've seen some issues with > OSS emulation and I'm not sure of the default. > > Please advise, No, I'm using it straight # mplayer FILE.mp3 Same on both platforms -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------