[FFmpeg-trac] #8683(avformat:new): publish srt stream with special streamid

[FFmpeg]

#8683: publish srt stream with special streamid
-------------------------------------+----------------------------------
             Reporter:  xiaozhihong  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avformat     |                  Version:  4.2
             Keywords:  SRT          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 My FFmpeg version and built message:
 ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.12) 20160609
   configuration: --prefix=/root/git/xiaozhihong/shell/ff/FFmpeg/build
 --pkg-config-flags=--static --extra-
 cflags=-I/root/git/xiaozhihong/shell/ff/FFmpeg/build/include --extra-
 ldflags=-L/root/git/xiaozhihong/shell/ff/FFmpeg/build/lib --extra-
 libs='-lpthread -lm'
 --bindir=/root/git/xiaozhihong/shell/ff/FFmpeg/build/bin --enable-static
 --enable-libsrt --disable-libxcb --disable-libxcb --disable-libxcb-shm
 --disable-libxcb-xfixes --disable-libxcb-shape --disable-vdpau --disable-
 libass --enable-gpl --enable-libfdk-aac --enable-libopus --enable-libx264
 --enable-nonfree
 =================================================
 My FFmpeg command line:
 ffmpeg -re -stream_loop -1 -i input.flv -c copy -f flv
 "srt://localhost:9000?streamid=test_stream?key1=value1&key2=value2"

 My problem:
 I have a sepcial streamid like "test_stream?key1=value1&key2=value2", when
 I publish stream with SRT by using this special streamid, ffmpeg will
 truncate it to "test_stream?key1=value1", I lost "&key2=value2"

 I see the source code in libavformat/libsrt.c, FFmpeg will try to find the
 special argement in srt url.
 Can I use
 "srt://localhost:9000?streamid="test_stream?key1=value1&key2=value2""
 instead of
 "srt://localhost:9000?streamid=test_stream?key1=value1&key2=value2"  or
 any other solution?

 Thanks.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8683>
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