[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>
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