ffmpeg fails to access certain http URLs

[gjdfgh]

$ ffmpeg -i 'http://samples.mplayerhq.hu/V-codecs/N264/Video demo-1.avi' fds.avi
ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 17 2012 12:13:29 with gcc 4.7 (Debian 4.7.2-4)
  configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --disable-decoder=libdirac --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-libvpx --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libdc1394 --disable-altivec   libavutil      51. 73.101 / 51. 73.101
  libavcodec     54. 59.100 / 54. 59.100
  libavformat    54. 29.104 / 54. 29.104
  libavdevice    54.  2.101 / 54.  2.101
  libavfilter     3. 17.100 /  3. 17.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[http @ 0x8091600] HTTP error 404 Not Found
http://samples.mplayerhq.hu/V-codecs/N264/Video demo-1.avi: Input/output error

mplayer can access the file without trouble.

(Never mind the problem that the video codec used for this file is not supported by ffmpeg or mplayer.)

[Cigaes]

Spaces are not valid in HTTP URLs. Replace them by %20 and it works.

[gjdfgh]

The ffmpeg component should be doing this.

[Stefano Sabatini]

Hopefully fixed in:

commit 4a8fc1d83b1b55e1ac533644168018ebeec0c732
Author: Senthilnathan M <senthilnathan.maadasamy@gmail.com>
Date:   Sun Feb 10 23:08:52 2013 +0530

    lavf/utils: add support for special characters encoding in URL
    
    In particular, fix trac ticket #2031.
    
    Signed-off-by: Senthilnathan M <senthilnathan.maadasamy@gmail.com>
    Signed-off-by: Stefano Sabatini <stefasab@gmail.com>

Please reopen the ticket if this still fails in some cases.

[Carl Eugen Hoyos]

The commit was reverted.

[Gautam]

​http://mplayerhq.hu/pipermail/ffmpeg-devel/2020-February/256904.html
This commit fixes this issue. It can be closed.

[Carl Eugen Hoyos]

Fixed by Marton Balint in 6a7b5226e1c868fe6406b114e7303c70d886900b