Re: Playing mp3 on OMAP5912 OSK

[Dirk Behme <dirk.behme@googlemail.com>]

Dirk Behme wrote:
> Dirk Behme wrote:
> 
>> Anderson Briglia wrote:
>>
>>> I tested the ALSA driver presented in the latest git tree and madplay 
>>> is working properly.
>>
>>
>>>> output: ioctl(SNDCTL_DSP_SYNC): Invalid argument
>>
>>
>> Seems that this becomes strange. I used Anderson's madplay, libmad and 
>> .mp3 for tests. Anderson's mp3 is 44.1 kHz as well, so this shouldn't 
>> be the issue. My kernel sound configuration seems to be okay as well. 
>> But even with Anderson's binaries I get the ioctl error above. So last 
>> thing I can imagine is other kernel configuration.
> 
> 
> For the archive and fyi answering to myself:
> 
> Here's my 'what it is not' list:
> 
> - madplay binaries and libraries are okay
> - mp3 is okay
> - playing over NFS is okay
> - kernel config is okay
> 
> And now? Toolchain!
> 
> Compiling kernel with my old 3.4.1 gcc: madplay doesn't complain any 
> more. Compiling kernel with my newer 4.1.0 with same config and same 
> binaries: madplay fails. Haven't seen any other issues with my 4.1.0 
> yet, no error, failure, nothing.
> 
> Will see if I find time to investigate this further. Built my 4.1.0 with 
> crosstool-0.42 and crosstool's
> 
> eval `cat arm.dat gcc-4.1.0-glibc-2.3.2.dat`  sh all.sh --notest
> 
> configuration.

For the archive: Seems that this [1] is fixed with

http://gcc.gnu.org/viewcvs/branches/gcc-4_1-branch/gcc/cse.c?r1=115620&r2=115619&pathrev=115620

Many thanks to Paul Brook!

Regards

Dirk

[1] http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27363