[FFmpeg-trac] #1817(undetermined:new): create_time contains wrong value for Canon EOS 550D movies
FFmpeg
trac at avcodec.org
Mon Oct 15 13:10:36 CEST 2012
#1817: create_time contains wrong value for Canon EOS 550D movies
-------------------------------------+-------------------------------------
Reporter: pwes | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
When working with H.264 movies from my Canon I spotted the wrong value of
timestamps. E.g. for the attached file:
{{{
$ ffprobe MVI_5302.MOV
ffprobe version N-36547-gb08273c Copyright (c) 2007-2012 the FFmpeg
developers
built on Oct 15 2012 12:52:06 with gcc 4.6 (Ubuntu/Linaro
4.6.3-1ubuntu5)
configuration: --enable-gpl --enable-libfaac --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp
--enable-libtheora --enable-libvorbis --enable-libvpx --enable-x11grab
--enable-libx264 --enable-nonfree --enable-version3
libavutil 51. 76.100 / 51. 76.100
libavcodec 54. 66.100 / 54. 66.100
libavformat 54. 32.101 / 54. 32.101
libavdevice 54. 3.100 / 54. 3.100
libavfilter 3. 19.102 / 3. 19.102
libswscale 2. 1.101 / 2. 1.101
libswresample 0. 16.100 / 0. 16.100
libpostproc 52. 1.100 / 52. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'MVI_5302.MOV':
Metadata:
major_brand : qt
minor_version : 537331968
compatible_brands: qt CAEP
creation_time : 1942-09-10 06:13:06
Duration: 00:00:01.04, start: 0.000000, bitrate: 38744 kb/s
Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuvj420p, 1920x1080, 37195 kb/s, 25 fps, 25 tbr, 25k tbn, 50k
tbc
Metadata:
creation_time : 1942-09-10 06:13:06
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, 2
channels, s16, 1536 kb/s
Metadata:
creation_time : 1942-09-10 06:13:06
}}}
In other software it's OK:
{{{
$ mplayer MVI_5302.MOV
MPlayer2 UNKNOWN (C) 2000-2011 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote
control.
Playing MVI_5302.MOV.
Detected file format: QuickTime/MPEG-4/Motion JPEG 2000 format
(libavformat)
[lavf] stream 0: video (h264), -vid 0
[lavf] stream 1: audio (pcm_s16le), -aid 0, -alang eng
VIDEO: [H264] 1920x1088 24bpp 25.000 fps 37195.8 kbps (4540.5
kbyte/s)
Clip info:
major_brand: qt
minor_version: 537331968
compatible_brands: qt CAEP
creation_time: 2012-10-15 12:41:22
}}}
I'm pretty sure it used to work on older versions, as I was transcoding my
home video for some time.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1817>
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