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Message #48295
[Bug 1180343] Re: avconv fails to remux MOV with H.264 and Raw 16-bit PCM audio
Is this still an issue with libav-tools 11.2-1? If so, please report the
bug upstream: https://libav.org/bugreports.html
** Changed in: libav (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1180343
Title:
avconv fails to remux MOV with H.264 and Raw 16-bit PCM audio
Status in libav package in Ubuntu:
Incomplete
Bug description:
I have a lot of MOV files created by Canon EOS 7D. Unfortunately I
didn't set date/time in time so I needed to change "creation_time",
i.e. to remux MOV files with "-metadata creation_time=...",
e.g.
avconv -i MVI_0007.MOV -vcodec copy -acodec copy -metadata creation_time="2011-02-04 13:23:35" MVI_0007.avconv.MOV
The resulting MOV file turned to be a problem. Neither totem nor
Popcorn Hour A-400 could play it's audio track. And here is why:
mantonyan@mantonyan:~/Desktop/mtimecorrector$ diff -u MVI_0007.MOV.mediainfo MVI_0007.avconv.MOV.mediainfo
--- MVI_0007.MOV.mediainfo 2013-05-15 14:22:11.435335721 +0400
+++ MVI_0007.avconv.MOV.mediainfo 2013-05-15 14:52:18.871333390 +0400
@@ -1,13 +1,14 @@
General
-Complete name : MVI_0007.MOV
+Complete name : MVI_0007.avconv.MOV
Format : MPEG-4
Format profile : QuickTime
Codec ID : qt
File size : 97.9 MiB
Duration : 18s 160ms
Overall bit rate : 45.2 Mbps
-Encoded date : UTC 2009-01-01 00:13:44
-Tagged date : UTC 2009-01-01 00:13:44
+Encoded date : UTC 2011-02-04 13:23:35
+Tagged date : UTC 2011-02-04 13:23:35
+Writing application : Lavf53.21.1
Video
ID : 1
@@ -34,8 +35,8 @@
Bits/(Pixel*Frame) : 0.843
Stream size : 94.6 MiB (97%)
Language : English
-Encoded date : UTC 2009-01-01 00:13:44
-Tagged date : UTC 2009-01-01 00:13:44
+Encoded date : UTC 2011-02-04 13:23:35
+Tagged date : UTC 2011-02-04 13:23:35
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.601
@@ -43,9 +44,9 @@
Audio
ID : 2
Format : PCM
-Format settings, Endianness : Little
-Format settings, Sign : Signed
-Codec ID : sowt
+Format settings, Endianness : Big
+Format settings, Sign : Unsigned
+Codec ID : lpcm
Duration : 18s 160ms
Bit rate mode : Constant
Bit rate : 1 536 Kbps
@@ -55,7 +56,7 @@
Bit depth : 16 bits
Stream size : 3.33 MiB (3%)
Language : English
-Encoded date : UTC 2009-01-01 00:13:44
-Tagged date : UTC 2009-01-01 00:13:44
+Encoded date : UTC 2011-02-04 13:23:35
+Tagged date : UTC 2011-02-04 13:23:35
"little-endian signed sowt" got converted to "big-endian unsigned
lpcm".
Than I tried doing the same with
http://ffmpeg.gusari.org/static/64bit/ffmpeg.static.64bit.2013-05-15.tar.gz
e.g.
~/Desktop/ffmpeg.static.64bit.2013-05-15/ffmpeg -i MVI_0007.MOV -vcodec copy -acodec copy -metadata creation_time="2011-02-04 13:23:35" MVI_0007.ffmpeg.MOV
Surprisingly the resulting MOV was correct, i.e. "little-endian signed
sowt" got converted to "little-endian signed sowt" (!).
Thus ffmpeg converted the MOV file correctly whereas avconv didn't
which led me to a conclusion that maybe there is a bug in avconv.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: libav-tools 6:0.8.6-1ubuntu2
ProcVersionSignature: Ubuntu 3.9.0-0.4-generic 3.9.0
Uname: Linux 3.9.0-0-generic x86_64
ApportVersion: 2.10-0ubuntu3
Architecture: amd64
Date: Wed May 15 14:37:02 2013
InstallationDate: Installed on 2011-06-28 (686 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110531.1)
MarkForUpload: True
SourcePackage: libav
UpgradeStatus: No upgrade log present (probably fresh install)
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