Public bug reported:
Package: Transcode v1.17 3.1.1.7-9ubuntu2
System: Linux Mint v19 Tara 4.15.0-24-generic #26-Ubuntu SMP Wed Jun 13
08:44:47 UTC 2018
Hi Transcode Team,
I tried every combination, different source format files, different export
options with and without video, using ffmpeg or tcaud audio AC3 export modules,
everytime I get segfault.
Without -N 0x2000 AC3 export settings all video is processed, and other audio
export formats work.
I tried the simplest AC3 export command line as:
$transcode -y null,tcaud -i AE7_16b_d.mov -N 0x2000 -m audio.ac3
AND
$transcode -y null,tcaud -N 0x2000 -i Windchime.wav -m audio.ac3 -q 2
but same segfault results as below:
My ffmpeg version 7:3.4.2-2 (which I expect is not used once I use tcaud
export plugin).
I trust this bug report & details can help many Ubuntu users.
Any suggestions appreciated ?
Regards, Jeff
Terminal output:
$ transcode -y null,tcaud -F 8 -i AE7_16b_d.mov \
> -N 0x2000 -E 48000 -D 0 -b 320 -m audio.ac3
transcode v1.1.7 (C) 2001-2003 Thomas Oestreich, 2003-2010 Transcode Team
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.BUP.
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
libdvdread: Can't open file VIDEO_TS.BUP.
[transcode] V: auto-probing | AE7_16b_d.mov (OK)
[transcode] V: import format | (null) in QuickTime (module=mov)
[transcode] A: auto-probing | AE7_16b_d.mov (OK)
[transcode] A: import format | PCM in QuickTime (module=mov)
[transcode] V: AV demux/sync | (1) sync AV at initial MPEG sequence
[transcode] V: import frame | 1920x1080 1.78:1 encoded @ 16:9
[transcode] V: bits/pixel | 0.036 (low)
[transcode] V: decoding fps,frc | 23.976,1
[transcode] V: video format | YUV420 (4:2:0) aka I420
[transcode] A: import format | 0x1 PCM [48000,16,2]
[transcode] A: export format | 0x2000 AC3 [48000,16,2] 320 kbps
[transcode] V: export format | unknown (module dependant)
[transcode] V: encoding fps,frc | 23.976,1
[transcode] A: bytes per frame | 8008 (8008.000000)
[transcode] A: adjustment | 0@1000
[transcode] V: IA32/AMD64 accel | sse42 sse41 ssse3 sse3 sse2 sse mmx cmove asm
[transcode] V: video buffer | 10 @ 1920x1080 [0x2]
[transcode] A: audio buffer | 10 @ 48000x2x16
[import_mov.so] v0.1.3 (2005-12-04) (video) * | (audio) *
[export_tcaud.so] v0.9.0 (2007-07-03) (audio) MPEG/AC3/PCM
[export_null.so] v0.1.2 (2001-08-17) (video) null | (audio) null
[import_mov.so] codec=lpcm, rate=48000 Hz, bits=16, channels=2, samples=8250242
[import_mov.so] VIDEO: codec=avc1, fps=23.976, width=1920, height=1080,
frames=4121
[transcode] PCM -> AC3
Segmentation fault (core dumped)
** Affects: transcode (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1782402
Title:
any export AC3 causes segfault
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