[FFmpeg-trac] #2892(undetermined:new): MPEG tbn value incorrectly evaluated: causes MOV wrap to fail
FFmpeg
trac at avcodec.org
Fri Aug 23 03:13:00 CEST 2013
#2892: MPEG tbn value incorrectly evaluated: causes MOV wrap to fail
-------------------------------------+-------------------------------------
Reporter: ortoni | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
A longstanding bug in determining the tbn value for an mpeg source now
prevents adding timecode to imx MOV format
How to reproduce:
{{{
% ffmpeg.exe -i test.mov -c:v copy -c:a copy -vtag mx3n -timecode
10:00:00:00 out.mov
ffmpeg version 1.2 Copyright (c) 2000-2013 the FFmpeg developers
built on Mar 28 2013 00:28:48 with gcc 4.8.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enab
le-libass --enable-libbluray --enable-libcaca --enable-libfreetype
--enable-libg
sm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb
--enable-libo
pencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-li
bschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-lib
twolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
--enabl
e-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
creation_time : 1970-01-01 00:00:00
Duration: 00:00:30.03, start: 0.000000, bitrate: 32315 kb/s
Stream #0:0(eng): Video: mpeg2video (4:2:2) (mx3n / 0x6E33786D),
yuv422p, 72
0x512 [SAR 128:135 DAR 4:3], 30006 kb/s, 29.97 fps, 29.97 tbr, 30k tbn,
59.94 tbc
Metadata:
creation_time : 1970-01-01 00:00:00
handler_name : Apple Alias Data Handler
timecode : 00:00:10;00
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz,
stereo, s32, 2304 kb/s
Metadata:
creation_time : 1970-01-01 00:00:00
handler_name : Apple Alias Data Handler
Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
Metadata:
creation_time : 2013-02-07 15:58:36
handler_name : Apple Alias Data Handler
timecode : 00:00:10;00
Output #0, mov, to 'out.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
timecode : 10:00:00:00
encoder : Lavf54.63.104
Stream #0:0(eng): Video: mpeg2video (mx3n / 0x6E33786D), yuv422p,
720x512 [S
AR 128:135 DAR 4:3], q=2-31, 30006 kb/s, 29.97 fps, 30k tbn, 30k tbc
Metadata:
creation_time : 1970-01-01 00:00:00
handler_name : Apple Alias Data Handler
timecode : 00:00:10;00
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz,
stereo, 23
04 kb/s
Metadata:
creation_time : 1970-01-01 00:00:00
handler_name : Apple Alias Data Handler
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 626 fps=0.0 q=-1.0 size= 78835kB time=00:00:20.85
bitrate=30968.0kbits
fps 30000 is too large
frame= 900 fps=0.0 q=-1.0 Lsize= 118466kB time=00:00:30.03
bitrate=32316.7kbits/s
video:109998kB audio:8446kB subtitle:0 global headers:0kB muxing overhead
0.018463%
ffmpeg version
built on ...
}}}
Thanks in advance
m
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2892>
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