#11313: Stream loop VTT subtitles via UDP ( error = Numerical result out of
range )
-------------------------------------+-------------------------------------
Reporter: tysonite | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: webvtt | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
Looping VTT subtitles via ffmpeg finishes with "Numerical result out of
range" error right after first iteration.
How to reproduce:
{{{
% ./ffmpeg-master-latest-linux64-gpl/bin/ffmpeg -report -y -stream_loop -1
-re -i subtitles1.vtt -map 0:s -c:s webvtt -fflags +genpts
-reset_timestamps 1 -avoid_negative_ts make_zero -f webvtt
udp://127.0.0.1:1234
ffmpeg version N-117832-ge9c3698ed2-20241119 Copyright (c) 2000-2024 the
FFmpeg developers
built with gcc 14.2.0 (crosstool-NG 1.26.0.120_4d36f27)
configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static
--pkg-config=pkg-config --cross-prefix=x86_64-ffbuild-linux-gnu-
--arch=x86_64 --target-os=linux --enable-gpl --enable-version3 --disable-
debug --enable-iconv --enable-zlib --enable-libfreetype --enable-
libfribidi --enable-gmp --enable-libxml2 --enable-openssl --enable-lzma
--enable-fontconfig --enable-libharfbuzz --enable-libvorbis --enable-
opencl --enable-libpulse --enable-libvmaf --enable-libxcb --enable-xlib
--enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth
--enable-chromaprint --enable-libdav1d --enable-libdavs2 --enable-
libdvdread --enable-libdvdnav --disable-libfdk-aac --enable-ffnvcodec
--enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar
--enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl
--enable-libmp3lame --enable-libopus --enable-librist --enable-libssh
--enable-libtheora --enable-libvpx --enable-libwebp --enable-libzmq
--enable-lv2 --enable-libvpl --enable-openal --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg
--enable-libopenmpt --enable-librav1e --enable-librubberband --disable-
schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1
--enable-libtwolame --enable-libuavs3d --enable-libdrm --enable-vaapi
--enable-libvidstab --enable-vulkan --enable-libshaderc --enable-
libplacebo --enable-libvvenc --enable-libx264 --enable-libx265 --enable-
libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-
cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-libs='-ldl -lgomp'
--extra-ldflags=-pthread --extra-ldexeflags=-pie --cc=x86_64-ffbuild-
linux-gnu-gcc --cxx=x86_64-ffbuild-linux-gnu-g++ --ar=x86_64-ffbuild-
linux-gnu-gcc-ar --ranlib=x86_64-ffbuild-linux-gnu-gcc-ranlib --nm=x86_64
-ffbuild-linux-gnu-gcc-nm --extra-version=20241119
[in#0/webvtt @ 0x55dcd5262600] Task finished with error code: -34
(Numerical result out of range)
[in#0/webvtt @ 0x55dcd5262600] Terminating thread with return code -34
(Numerical result out of range)
}}}
Log files and subtitles are attached.
The same happens if any of "-fflags +genpts -reset_timestamps 1
-avoid_negative_ts make_zero" flag is absent.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11313>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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