Opened 12 years ago

Closed 12 years ago

#1003 closed defect (wontfix)

faad converts mono files to stereo

Reported by: aflist2@… Owned by: r_togni@…
Priority: normal Component: ad
Version: HEAD Severity: normal
Keywords: Cc:
Blocked By: Blocking:
Reproduced by developer: Analyzed by developer:



playing a file with the default faad decoder converts mono files to stereo.

file decodertest.aac

decodertest.aac: MPEG ADTS, AAC, v4, LC, 48 kHz, monaural

MPlayer dev-SVN-r25826-4.2.3 (C) 2000-2008 MPlayer Team
CPU: AMD Athlon(tm) XP 2100+ (Family: 6, Model: 6, Stepping: 2)
CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX MMX2 3DNow 3DNowEx SSE
117 audio & 238 video codecs

Playing decodertest.aac.
libavformat file format detected.
[lavf] Audio stream found, -aid 0
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
AUDIO: 48000 Hz, 2 ch, s16le, 4.9 kbit/0.32% (ratio: 609->192000)
Selected audio codec: [faad] afm: faad (FAAD AAC (MPEG-2/MPEG-4 Audio) decoder)
AO: [oss] 48000Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A: -5.7 (unknown) of 29.7 (29.6) 1.2%
Exiting... (Quit)

Attachments (1)

decodertest.aac (17.7 KB) - added by aflist2@… 12 years ago.
test file (mono)

Download all attachments as: .zip

Change History (3)

Changed 12 years ago by aflist2@…

test file (mono)

comment:1 Changed 12 years ago by aflist2@…

comment:2 Changed 12 years ago by reimar

  • Resolution set to wontfix
  • Status changed from new to closed

MPlayer FAAD is compiled to support implicit PS signalling, to support this mono must always be upmixed to stereo.

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