#5212: Can't seek while using -re and -ss at the same time
-------------------------------------+-------------------------------------
Reporter: groove | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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'''Summary of the bug:'''
If i use ''-re'' while using ''-ss 10'', the video will be delayed by 10
seconds, instead of skipping 10 seconds into the video, which is normal
behavior while not using ''-re''
'''How to reproduce:'''
{{{
ffmpeg -re -ss 10 -i test.mkv -c:v copy -c:a copy new.mkv
}}}
'''Output:'''
{{{
ffmpeg version N-78257-gdd57b31 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 4.9.2 (Debian 4.9.2-10)
configuration: --prefix=/opt/ffmpeg --enable-libx264 --enable-libssh
--enable-libfdk-aac --enable-libmp3lame --enable-libxvid --enable-libvpx
--enable-openssl --enable-gpl --enable-nonfree
libavutil 55. 17.100 / 55. 17.100
libavcodec 57. 24.101 / 57. 24.101
libavformat 57. 24.100 / 57. 24.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 28.100 / 6. 28.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, matroska,webm, from 'test.mkv':
Metadata:
ENCODER : Lavf57.24.100
Duration: 00:01:30.60, start: 0.000000, bitrate: 11347 kb/s
Chapter #0:0: start 0.000000, end 5.463000
Chapter #0:1: start 5.463000, end 93.508000
Stream #0:0: Video: h264 (High), yuv420p, 1920x800, SAR 1:1 DAR 12:5,
23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
Metadata:
DURATION : 00:01:30.590000000
Stream #0:1: Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 1536 kb/s
(default)
Metadata:
DURATION : 00:01:30.600000000
Output #0, matroska, to 'new.mkv':
Metadata:
encoder : Lavf57.24.100
Chapter #0:0: start 0.000000, end 83.508000
Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 1920x800 [SAR
1:1 DAR 12:5], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc (default)
Metadata:
DURATION : 00:01:30.590000000
Stream #0:1: Audio: dts (DTS) ([1] [0][0] / 0x2001), 48000 Hz,
5.1(side), 1536 kb/s (default)
Metadata:
DURATION : 00:01:30.600000000
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[matroska @ 0x3122200] failed to avoid negative pts -75 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
[matroska @ 0x3122200] failed to avoid negative pts -63 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
[matroska @ 0x3122200] failed to avoid negative pts -53 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
[matroska @ 0x3122200] failed to avoid negative pts -42 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
[matroska @ 0x3122200] failed to avoid negative pts -31 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
[matroska @ 0x3122200] failed to avoid negative pts -21 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
[matroska @ 0x3122200] failed to avoid negative pts -10 in stream 1.
Try -avoid_negative_ts 1 as a possible workaround.
frame= 1958 fps= 24 q=-1.0 Lsize= 113108kB time=00:01:20.59
bitrate=11497.4kbits/s speed= 1x
video:97980kB audio:15059kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 0.061519%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5212>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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