[FFmpeg-trac] #5125(undetermined:new): mpg frames flick
FFmpeg
trac at avcodec.org
Thu Jan 7 01:09:56 CET 2016
#5125: mpg frames flick
-------------------------------------+-------------------------------------
Reporter: rhbc73 | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Generated a mpg file from a single png image. Command line below
{{{
$ ffmpeg.exe -loop 1 -i 001.png -t 30 -target pal-dvd a30.mpg
ffmpeg version N-77715-gfc703f5 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-
libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs
--enable-libxvid --enable-libzimg --enable-lzma --enable-decklink
--enable-zlib
libavutil 55. 12.100 / 55. 12.100
libavcodec 57. 21.100 / 57. 21.100
libavformat 57. 21.101 / 57. 21.101
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 23.100 / 6. 23.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, png_pipe, from '001.png':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: png, rgba(pc), 720x576 [SAR 3779:3779 DAR 5:4], 25
fps, 25 tbr, 25 tbn, 25 tbc
Output #0, dvd, to 'a30.mpg':
Metadata:
encoder : Lavf57.21.101
Stream #0:0: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 1:1 DAR
5:4], q=2-31, 6000 kb/s, 25 fps, 90k tbn, 25 tbc
Metadata:
encoder : Lavc57.21.100 mpeg2video
Side data:
unknown side data type 10 (24 bytes)
Stream mapping:
Stream #0:0 -> #0:0 (png (native) -> mpeg2video (native))
Press [q] to stop, [?] for help
frame= 750 fps=196 q=2.0 Lsize= 10748kB time=00:00:29.96
bitrate=2938.8kbits/s speed=7.82x
video:10489kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 2.465228%
}}}
Play the generated mpg in ffplay or MPC-HOME, you can notice flick every
0.5 second.
The mp4 file generated by the same image doesn't have this problem.
Command line is
{{{
ffmpeg.exe -loop 1 -i 001.png -t 30 mp4_30.mp4
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5125>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list