#1621: Converted flash video has longer duration than the source
-------------------------------------+-------------------------------------
Reporter: agowad | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by agowad):
COMMAND:
{{{
ffmpeg.exe -i "Dolphins_720.wmv" -ar 44100 "Dolphins_7202_TMP.flv"
}}}
You can change 44100 to lower value, then the difference is smaller.
MEDIA FILES:
*
{{{
ffmpeg.exe -i "Dolphins_720.wmv"
}}}
{{{
ffmpeg version N-43206-gf857465 Copyright (c) 2000-2012 the FFmpeg
developers
built on Aug 4 2012 16:10:39 with gcc 4.7.1 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-
frei0r --enable-libass
--enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut
--enable-libope
njpeg --enable-librtmp --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-
libvo-amrwbenc --enable-
libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
libavutil 51. 66.100 / 51. 66.100
libavcodec 54. 49.100 / 54. 49.100
libavformat 54. 22.100 / 54. 22.100
libavdevice 54. 2.100 / 54. 2.100
libavfilter 3. 5.102 / 3. 5.102
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
Input #0, asf, from 'Dolphins_720.wmv':
Metadata:
WMFSDKVersion : 9.00.00.2980
WMFSDKNeeded : 0.0.0.0000
IsVBR : 0
Duration: 00:01:46.02, start: 0.000000, bitrate: 6576 kb/s
Stream #0:0(eng): Audio: wmapro (b[1][0][0] / 0x0162), 48000 Hz, 5.1,
flt, 384 kb/s
Stream #0:1(eng): Video: wmv3 (Main) (WMV3 / 0x33564D57), yuv420p,
1280x720, 6000 kb/s, 23.98 tbr, 1k tbn, 1k tbc
At least one output file must be specified
}}}
*
{{{
ffmpeg.exe -i "Dolphins_7202_TMP.flv"
}}}
{{{
ffmpeg version N-43206-gf857465 Copyright (c) 2000-2012 the FFmpeg
developers
built on Aug 4 2012 16:10:39 with gcc 4.7.1 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-
frei0r --enable-libass
--enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut
--enable-libope
njpeg --enable-librtmp --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-
libvo-amrwbenc --enable-
libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
libavutil 51. 66.100 / 51. 66.100
libavcodec 54. 49.100 / 54. 49.100
libavformat 54. 22.100 / 54. 22.100
libavdevice 54. 2.100 / 54. 2.100
libavfilter 3. 5.102 / 3. 5.102
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
Input #0, flv, from 'Dolphins_7202_TMP.flv':
Metadata:
WMFSDKVersion : 9.00.00.2980
WMFSDKNeeded : 0.0.0.0000
IsVBR : 0
encoder : Lavf54.22.100
Duration: 00:01:47.24, start: 0.000000, bitrate: 1577 kb/s
Stream #0:0: Video: flv1, yuv420p, 1280x720, 200 kb/s, 23.98 tbr, 1k
tbn, 1k tbc
Stream #0:1: Audio: mp3, 44100 Hz, stereo, s16, 128 kb/s
At least one output file must be specified
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1621#comment:2>
FFmpeg <http://ffmpeg.org>
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