[Mplayer-users] MPlayer's speed!

Felix Bьnemann atmosfear at users.sourceforge.net
Fri Jul 6 09:29:17 CEST 2001


Hello Nick,

Friday, July 06, 2001, 12:36:51 PM, you wrote:

NK> Hi, Arpi!

NK> On 2001-07-06 00:28:36 you wrote:

>>so here comes my notes:
>>
>>Found audio codec: [mp3] drv:1 (MPEG layer-2, layer-3)
>>Initializing audio codec...
>>dec_audio: Allocating 4608 + 65536 = 70144 bytes for output buffer
>>mp3lib: Processor ID: 631
>>mp3lib: Using AMD 3dnow-dsp(k7)! optimized decore.
>>DEMUX_AVI: Read 372 data bytes from packet 62773130
>>DEMUX: Append packet to d_audio, len=372  pts=0.000  pos=2  [packs: A=1 V=0]
>>DEMUX_AVI: Read 372 data bytes from packet 62773130
>>DEMUX: Append packet to d_audio, len=372  pts=0.000  pos=4  [packs: A=1 V=0]
>>... 
>>(here it reads the _whole_ audio stream from the file)
>>...
>>start playing...
>>but no audio stream (it's at EOF)
>>
>>So it seems to be a bug in mp3lib, or the audio steram of the file.
>>Do you have this problem with other files too, or only with this?
>>You should check/debug why mp3lib reads the whole stream at initialization
>>(it can't find/sync mp3 header?). Maybe it isn't mp3 ?
>>
>>Hmm. just noticed at the header:
>>======= WAVE Format =======
>>Format Tag: 353 (0x161)
>>
>>0x161 is id of divx audio, not mp3! but why mp3lib is called then?
>>
>>maybe you have afm=1 in the config file? (it forces using mp3lib
>>for audio decoding). or do you have bad codecs.conf...
>>
NK> I'm sorry! You are perfectly right! I had commented out all audio codecs
NK> excpet native - mp3 and ac3 - for testing purposes only, because before
NK> mplayer called l3codec.dll for mp3 stream but now it seems that mplayer
NK> uses native mp3lib codec. Well after updating codecs.conf I've got realtime
NK> playback for this movie but mplayer says:
NK> Audio: no sound
NK> Why? This movie has sound stream - I know it.
NK> All other avis (which have mp3 stream) is being played with sound.
NK> May be it would be better -v -v again?

NK> And last observation:
NK> when I tried following options of config:
NK> ao=sdl                  # To specify default audio driver (see -ao help for
NK>                         # list)
NK> ao = sdl:esd            # use SDL audio driver by default
NK>                         # use "ao = sdl:esd" to use SDL's ESD driver

NK> I've got very distorted sound on output from my SB16.
NK> (basses were very weak but highest frequencies were top loud
NK> and distorted).
NK> Is it a bug or is it a feature?
hmm was it 44kHz or 48kHz? maybe your SB16 doesn't support 48kHz, not
sure bout that.

NK> After commenting out 'ao = sdl:esd' sound is crystal clear.

NK> Best regards! Nick (2001-07-06 10:26:08)


-- 
Best regards,
 Felix                            mailto:atmosfear at users.sourceforge.net



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