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Muxing together a .ts file and a sub file causes playback issues in video and audio [closed]
3 mai 2024, par Meta83So I have a .ts file and a converted .dvb sub file (.SRT TO .DVB) that I want to mux togheter using FFMPEG. The mux is a success and the file plays fine in VLC or other modern divce.However I have an older divce (around 10 yeras old) where playback has issues, whenever a line of subs is displayd the picture and and audio gets corrupted and frezzes up and as sson there are no lins everything looks good again and so on. Note that subs are displayd correctly and they are not affected by the issue, only picture and audio is.


I have tried using diffrent command without any luck but here is the most basic command that should work :


ffmpeg -i <video file="file"> -i <dvb file="file"> -f mpegts -c:v copy -c:a copy -c:s copy -copyts <output file="file">
</output></dvb></video>


Here is the output I get frome FFMPEG :


ffmpeg version 7.0-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
 built with gcc 13.2.0 (Rev5, 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-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo --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-libcodec2 --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 59. 8.100 / 59. 8.100
 libavcodec 61. 3.100 / 61. 3.100
 libavformat 61. 1.100 / 61. 1.100
 libavdevice 61. 1.100 / 61. 1.100
 libavfilter 10. 1.100 / 10. 1.100
 libswscale 8. 1.100 / 8. 1.100
 libswresample 5. 1.100 / 5. 1.100
 libpostproc 58. 1.100 / 58. 1.100
[mpegts @ 0000029209341000] stream 0 : no PTS found at end of file, duration not set
Input #0, mpegts, from '\Tests\video.ts':
 Duration: 00:28:52.06, start: 0.980000, bitrate: 4992 kb/s
 Program 1
 Stream #0:0[0x1e1]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn
 Stream #0:1[0x1e2](swe): Audio: mp2 (mp3float) ([3][0][0][0] / 0x0003), 48000 Hz, stereo, fltp, 192 kb/s
Input #1, mpegts, from 'ENG.dvb':
 Duration: 00:28:09.88, start: 0.160000, bitrate: 8 kb/s
 Program 1
 Metadata:
 service_name : Service01
 service_provider: FFmpeg
 Stream #1:0[0x100](eng): Subtitle: dvb_subtitle (dvbsub) ([6][0][0][0] / 0x0006)
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
 Stream #1:0 -> #0:2 (copy)
Output #0, mpegts, to '\Tests\20735799_muxed.ts':
 Metadata:
 encoder : Lavf61.1.100
 Stream #0:0: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 25 tbr, 90k tbn
 Stream #0:1(swe): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, fltp, 192 kb/s
 Stream #0:2(swe): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Press [q] to stop, [?] for help
[out#0/mpegts @ 000002920a155380] video:951379KiB audio:40595KiB subtitle:1389KiB other streams:0KiB global headers:0KiB muxing overhead: 3.385295%
size= 1026992KiB time=00:27:25.74 bitrate=5112.1kbits/s speed=75.3x



Can anyone help me out ? I'm I missing something that is needed for older divaces (divece in question is a Samsung SMT-S5140 STB).


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