#11522: Path URIs are not decoded
-------------------------------------+-------------------------------------
Reporter: | Type: defect
helpimnotdrowning |
Status: new | Priority: normal
Component: avformat | Version:
| unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
I originally discovered this when trying to play a video in SMPlayer using
the mpv backend, though this can be reproduced with ff* tools.
When trying to open a file with a URI-encoded URI, ffmpeg will fail to
read the file. From https://github.com/mpv-player/mpv/issues/10103 , I was
pointed to avformat being the issue (though I wasn't able to find this
person's issue here).
How to reproduce:
In my case, URIs are coming encoded from KDE's Dolphin trying to open a
remote (sftp) file in SMPlayer that contained a "#" in its path. In
ffprobe, the error is
{{{
$ ffprobe 'sftp://helpimnotdrowning@192.168.1.243:22/mnt/W/URUHA RUSHIA CH
- ARCHIVE/Rushia Ch. 潤羽るしあ/20191130 - 【%23潤羽るしあ3D】潤羽るし あ
3Dお披露目です！【ホロライブ】/20191130 - 【%23潤羽るしあ3D】潤羽るしあ3D
お披露目です！【ホロライブ】 [aBGaFFIP9bs].mkv'
[...]
[libssh @ 0x7fb370001900] Error opening sftp file: SFTP server: No such
file
sftp://helpimnotdrowning@192.168.1.243:22/mnt/W/URUHA RUSHIA CH -
ARCHIVE/Rushia Ch. 潤羽るしあ/20191130 - 【%23潤羽るしあ3D】潤羽るしあ3Dお
披露目です！【ホロライブ】/20191130 - 【%23潤羽るしあ3D】潤羽るしあ3Dお披
露目です！【ホロライブ】 [aBGaFFIP9bs].mkv: Input/output error
}}}
When I reference a local file with the file: protocol, this issue also
persists.
When the "%23"s are manually switched out with "#", ffprobe will correctly
read the file.
{{{
$ ffprobe 'sftp://helpimnotdrowning@192.168.1.243:22/mnt/W/URUHA RUSHIA CH
- ARCHIVE/Rushia Ch. 潤羽るしあ/20191130 - 【#潤羽るしあ3D】潤羽るしあ3Dお
披露目です！【ホロライブ】/20191130 - 【#潤羽るしあ3D】潤羽るしあ3Dお披露
目です！【ホロライブ】 [aBGaFFIP9bs].mkv'
[...]
Input #0, matroska,webm, from 'sftp://helpi[...]
}}}
This occurs under ffmpeg 5.1.6 for Debian Stable and a gyan.dev ffmpeg 7
build for Windows.
Though I am not one to read through RFCs, the linked mpv issue mentions
that URIs using reserved characters (like the #) should always percent-
encode/URI encode those characters (https://github.com/mpv-
player/mpv/issues/10103#issuecomment-1101352451 ), of which avformat seems
to break.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11522>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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