Does anyone see what I'm doing wrong?
BEFORE.
0, 503945955, 503957216, 3753, 640646, 0x90f222e3
0, 503957216, 503964723, 3753, 125904, 0x3f60a4e2
0, 503960970, 503960970, 3753, 106426, 0xe5c85d36
0, 503964723, 503975985, 3753, 126806, 0x9c5d46c5
COMMAND to change the 1st frame's DTS from 503945955 to 503953462.
ffmpeg -copyts -i in.m2ts -map 0 -bsf:v setts=dts='if(eq(DTS\,503945955)\,503953462\,DTS)' -c copy
-dn -muxdelay 0 out.m2ts
PROVOKED:
[vost#0:0/copy @ 0000000002ac04c0] Invalid DTS: 503953462 PTS: 503945955,
replacing by guess
AFTER, all the PTSs have been changed.
0, 503945955, 503945955, 3753, 640646, 0x90f222e3
0, 503957216, 503957216, 3753, 125904, 0x3f60a4e2
0, 503960970, 503960970, 3753, 106426, 0xe5c85d36
0, 503964723, 503964723, 3753, 126806, 0x9c5d46c5
in.m2ts, there is _no_ PTS==503945955. FFmpeg appears to be mixing up PTS with DTS. Terminal output
is below.
Thanks,
Mark.
C:\Windows\System32>ffmpeg -copyts -i c:\in.m2ts -map 0 -bsf:v
setts=dts='if(eq(DTS\,503945955)\,503953463\,DTS)' -c copy -dn -muxdelay 0 c:\out.m2ts
ffmpeg version 2024-04-04-git-478d97f303-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-li
bxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist
--enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --en
able-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption
--enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libxevd --enab
le-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-libharfbu
zz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf
--enable-cuda-llvm --enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d
12va --enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc --enable-vaapi
--enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-li
bcdio --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-lads
pa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr
--enable-chromaprint
libavutil 59. 13.100 / 59. 13.100
libavcodec 61. 5.101 / 61. 5.101
libavformat 61. 3.100 / 61. 3.100
libavdevice 61. 2.100 / 61. 2.100
libavfilter 10. 2.101 / 10. 2.101
libswscale 8. 2.100 / 8. 2.100
libswresample 5. 2.100 / 5. 2.100
libpostproc 58. 2.100 / 58. 2.100
[mpegts @ 00000000005631c0] start time for stream 2 is not set in
estimate_timings_from_pts
[mpegts @ 00000000005631c0] Could not find codec parameters for stream 2 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
Input #0, mpegts, from 'c:\in.m2ts':
Duration: 00:03:04.85, start: 5599.524622, bitrate: 15195 kb/s
Program 1
Metadata:
service_name : Service01
service_provider: FFmpeg
Stream #0:0[0x1011]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1920x1080
[SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn
Stream #0:1[0x1100]: Audio: dts (dca) (DTS-HD MA) ([130][0][0][0] / 0x0082), 48000 Hz, mono, s32p
(24 bit)
Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090)
File 'c:\out.m2ts' already exists. Overwrite? [y/N] y
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Stream #0:2 -> #0:2 (copy)
Output #0, mpegts, to 'c:\out.m2ts':
Metadata:
encoder : Lavf61.3.100
Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1920x1080 [SAR
1:1 DAR 16:9], q=2-31, 23.98 fps, 23.98 tbr, 90k tbn
Stream #0:1: Audio: dts (DTS-HD MA) ([130][0][0][0] / 0x0082), 48000 Hz,
mono, s32p (24 bit)
Stream #0:2: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
Press [q] to stop, [?] for help
[vost#0:0/copy @ 0000000003a9f980] Invalid DTS: 503953463 PTS: 503945955,
replacing by guess
[out#0/mpegts @ 00000000004f7340] video:302944KiB audio:23295KiB subtitle:0KiB other streams:0KiB
global headers:0KiB muxing overhead: 5.101183%
size= 342882KiB time=N/A bitrate=N/A speed=N/A
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