[FFmpeg-trac] #3702(undetermined:new): RTSP Streaming fails with "Could not write header for output file"

FFmpeg trac at avcodec.org
Fri Nov 6 01:55:40 EET 2020


#3702: RTSP Streaming fails with "Could not write header for output file"
-------------------------------------+-------------------------------------
             Reporter:  DJX          |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  rtsp         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by DJX):

 Testing with your commands:

 FFmpeg:
 {{{
 ffmpeg -f lavfi -i sine -f rtsp rtsp://127.0.0.1:12345/live.sdp
 ffmpeg version 2020-11-04-git-cfdddec0c8-full_build-www.gyan.dev Copyright
 (c) 2000-2020 the FFmpeg developers
   built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 w32threads --disable-autodetect --enable-fontconfig --enable-iconv
 --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-
 libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq
 --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2
 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid
 --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass
 --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-
 libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-
 llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc
 --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang
 --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-
 libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-
 libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame
 --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-
 libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis
 --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa
 --enable-librubberband --enable-libsoxr --enable-chromaprint
   libavutil      56. 60.100 / 56. 60.100
   libavcodec     58.112.101 / 58.112.101
   libavformat    58. 64.100 / 58. 64.100
   libavdevice    58. 11.102 / 58. 11.102
   libavfilter     7. 88.102 /  7. 88.102
   libswscale      5.  8.100 /  5.  8.100
   libswresample   3.  8.100 /  3.  8.100
   libpostproc    55.  8.100 / 55.  8.100
 Input #0, lavfi, from 'sine':
   Duration: N/A, start: 0.000000, bitrate: 705 kb/s
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s16le (native) -> aac (native))
 Press [q] to stop, [?] for help
 }}}

 FFplay:
 {{{
 ffplay -loglevel trace -rtsp_flags listen -timeout 10 -i
 rtsp://127.0.0.1:12345/live.sdp
 ffplay version 2020-11-04-git-cfdddec0c8-full_build-www.gyan.dev Copyright
 (c) 2003-2020 the FFmpeg developers
   built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 w32threads --disable-autodetect --enable-fontconfig --enable-iconv
 --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-
 libsnappy --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq
 --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2
 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid
 --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass
 --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-
 libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-
 llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc
 --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang
 --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-
 libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-
 libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame
 --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-
 libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis
 --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa
 --enable-librubberband --enable-libsoxr --enable-chromaprint
   libavutil      56. 60.100 / 56. 60.100
   libavcodec     58.112.101 / 58.112.101
   libavformat    58. 64.100 / 58. 64.100
   libavdevice    58. 11.102 / 58. 11.102
   libavfilter     7. 88.102 /  7. 88.102
   libswscale      5.  8.100 /  5.  8.100
   libswresample   3.  8.100 /  3.  8.100
   libpostproc    55.  8.100 / 55.  8.100
 Initialized direct3d renderer.
 Probing rtsp score:100 size:0q=    0KB vq=    0KB sq=    0B f=0/0
 [tcp @ 0000014fa8da4440] No default whitelist set
 [rtsp @ 0000014fa8dac200] Unable to open RTSP for listening f=0/0
 rtsp://127.0.0.1:12345/live.sdp: Unknown error
     nan    :  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0
 }}}


 If I hit Ctrl+C twice on the FFmpeg instance I get the following:
 {{{
 Could not write header for output file #0 (incorrect codec parameters ?):
 Immediate exit requested
 Error initializing output stream 0:0 --
 [aac @ 0000024393e1a440] Qavg: nan
 Exiting normally, received signal 2.
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3702#comment:20>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list