Re: Smooth in mplayer, choppy in vlc

On 11/04/14 22:27, Grant wrote:
>>>>>>>>> You're right, I tried a 1080p Blu-Ray rip and it is also choppy with
>>>>>>>>> audio enabled and smooth with audio disabled.  mplayer plays both
>>>>>>>>> the
>>>>>>>>> Blu-Ray rip and the 60fps file smoothly.  I fiddled with the vlc
>>>>>>>>> audio
>>>>>>>>> settings to no avail.  Do you know how to fix this?
>>>>>>>> mplayer is probably using alsa, and VLC is using pulseaudio. Try
>>>>>>>> switching
>>>>>>>> the audio output between alsa and pulse in VLC.
>>>>>>>
>>>>>>> I'm on Gentoo and I don't have pulseaudio installed.  I've tried
>>>>>>> designating ALSA specifically in the vlc settings but performance is
>>>>>>> still choppy.
>>>>>>
>>>>>> You got libsamplerate, ffmpeg set? If it still doesnt work, try
>>>>>> building
>>>>>> with these USE flags --
>>>>>>
>>>>>> X a52 aalib alsa avcodec avformat cdda dbus dirac dts dvbpsi dvd encode
>>>>>> ffmpeg flac kde libass libnotify libsamplerate matroska mmx mp3 mpeg
>>>>>> musepack ogg opengl png postproc qt4 schroedinger sdl sdl-image sid
>>>>>> skins
>>>>>> speex sse svg swscale taglib theora truetype twolame udev v4l vaapi
>>>>>> vcdx
>>>>>> vorbis x264 xcb xml xv -altivec -atmo -audioqueue -avahi -bidi -bluray
>>>>>> -cddb
>>>>>> -chromaprint -dc1394 -debug -directfb -directx -dvb -dxva2 -egl -faad
>>>>>> -fdk
>>>>>> -fluidsynth -fontconfig -gcrypt -gme -gnome -gnutls -growl -httpd
>>>>>> -ieee1394
>>>>>> -ios-vout -jack -kate -libcaca -libtar -libtiger -linsys -lirc -live
>>>>>> -lua
>>>>>> -macosx -macosx-audio -macosx-dialog-provider -macosx-eyetv
>>>>>> -macosx-qtkit
>>>>>> -macosx-quartztext -macosx-vout -media-library -modplug -mtp -ncurses
>>>>>> -neon
>>>>>> -omxil -opencv -optimisememory -opus -projectm -pulseaudio -qt5 -rdp
>>>>>> -rtsp
>>>>>> -run-as-root -samba -sftp -shout -test -tremor -upnp -vdpau -vlm -vnc
>>>>>> -wma-fixed -zvbi
>>>>>>
>>>>>> Just for testing.
>>>>>
>>>>> I switched to all of that except for kde and the result is the same.
>>>>
>>>> C(XX)FLAGS?
>>>
>>> -march=native -O2 -pipe -fomit-frame-pointer
>>>
>>>
>>>> What's your version of VLC?
>>>
>>> I've tried 2.1.2 and 9999 (latest from git).
>>>
>>>
>>>> Anything you've done in a/52 preference in VLC (in all
>>>> preferences>audio/video codec>a/52)?
>>>
>>> I've tried with and without dynamic range compression and the internal
>>> upmixer.  No other options there.
>>>
>>>
>>>> Since when did this start to happen? What's you're version of
>>>> media-libs/a52dec?
>>>
>>> Previously, I didn't usually play videos on this system so it may have
>>> been happening for a while.  It wasn't happening about a year or so
>>> ago.  I've tried a52dec-0.7.4-r6 and 0.7.4-r7.
>>>
>>> I just noticed that every time it stutters I get this in the console:
>>>
>>> core input error: ES_OUT_SET_(GROUP_)PCR  is called too late
>>> (pts_delay increased to 300 ms)
>>> core input error: ES_OUT_RESET_PCR called
>>
>> Did you try and play just pure AAC audio? It could be an a/v sync issue.
>
> I'm not sure how to get ahold of a sample like that.  Do you know of
> one available online?
>
> It's worth mentioning that the problem also doesn't exhibit itself with mpv.
>
> - Grant
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Did I reply to this before (I think the attachment got rejected by the 
mailing list)?

Anyway, download from here --

http://103.242.119.194/ac3_the_other_side_48khz_5.1.ac3
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