[FFmpeg-trac] #4098(swscale:new): To what range is the swscaler referring to?
FFmpeg
trac at avcodec.org
Mon Nov 10 01:46:10 CET 2014
#4098: To what range is the swscaler referring to?
-------------------------------------+-------------------------------------
Reporter: | Type: defect
michael.heuberger | Priority: normal
Status: new | Version:
Component: swscale | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
When encoding the video, I always see this warning
{{{
[swscaler @ 0x2599be0] deprecated pixel format used, make sure you did set
range correctly
}}}
I want this warning to disappear but how? I am already setting the
recommended pixel format
{{
-pix_fmt yuv420p
}}
but the warning still shows up. I really do not understand to what range
the swscaler is referring to. How can I fix this? Or is this a bug?
How to reproduce:
{{{
% ffmpeg -r 14.563322542394877 -f image2 -i /home/michael-
heuberger/binarykitchen/code/videomail.io/var/local/tmp/clients/videomail.io/11e4
-686f-55c3c770-9cab-b5660842b8b4/frames/%d.jpg -i /home/michael-
heuberger/binarykitchen/code/videomail.io/var/local/tmp/clients/videomail.io/11e4
-686f-55c3c770-9cab-b5660842b8b4/videomail_preview.wav -y -acodec
libfdk_aac -ar 44100 -ac 1 -vcodec libx264 -preset ultrafast -profile:v
baseline -crf 24 -pix_fmt yuv420p -loglevel warning -movflags faststart
/home/michael-
heuberger/binarykitchen/code/videomail.io/var/local/tmp/clients/videomail.io/11e4
-686f-55c3c770-9cab-b5660842b8b4/videomail_preview.mp4
}}}
{{{
$ ffmpeg
ffmpeg version 2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
built on Oct 10 2014 15:15:58 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-
avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3
--enable-x11grab --enable-libpulse --enable-libopencore-amrnb --enable-
libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb
--enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis
--enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex
--enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid
libavutil 54. 7.100 / 54. 7.100
libavcodec 56. 1.100 / 56. 1.100
libavformat 56. 4.101 / 56. 4.101
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 1.100 / 5. 1.100
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 0.100 / 53. 0.100
Hyper fast Audio and Video encoder
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4098>
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