[MPlayer-dev-eng] Segmentation fault in libaf/af_format.c

[Reimar Döffinger]

On Mon, Mar 24, 2014 at 04:52:46PM +0100, Ingo Brückl wrote:
> With current GUI (r37059) I'll get a segmentation fault in
> libaf/af_format.c:558 for ac3 audio.
> 
> The reason is the call to mixer_setbalance() triggered by
> uiEvent(ivSetBalance, guiInfo.Balance) in gui/interface.c, line 720, and
> - as a sequel - af_add(mixer->afilter, "pan") in mixer.c, line 163 which
> finally adds the "format" filter. (Without adding "pan" everything seems
> fine.)
> 
> Ingo

> MPlayer UNKNOWN-4.3.4 (C) 2000-2014 MPlayer Team
> Keine UTF-8-Locale gefunden, Tasten mit Zeichen
> jenseits von Latin-1 werden nicht erkannt werden.
> 
> Spiele /media/cdrom/AC3/prologe.AC3.
> libavformat version 55.19.104 (external)
> libavformat-Dateiformat erkannt!
> [ac3 @ 0xb78f5220]Estimating duration from bitrate, this may be inaccurate
> [lavf] stream 0: audio (ac3), -aid 0
> Load subtitles in /media/cdrom/AC3/
> ==========================================================================
> Erzwungener Audiocodec: hwac3
> Öffne Audiodecoder: [hwac3] AC3/DTS pass-through S/PDIF
> hwac3: switched to AC3, 448000 bps, 48000 Hz
> 
> AUDIO: 48000 Hz, 2 ch, ac3be, 448.0 kbit/29.17% (ratio: 56000->192000)
> Ausgewählter Audiocodec: [hwac3] afm: hwac3 (AC3 through S/PDIF)
> ==========================================================================
> [AO_ALSA] Format ac3be wird von der Hardware nicht unterstützt, versuche Standard.
> AO: [alsa] 48000Hz 2ch ac3le (2 bytes per sample)
> Video: kein Video
> [format] Sample format big-endian AC3 not yet supported 

Something should have caught this and given up instead of trying to push
audio data through it anyway.