[FFmpeg-user] How can I get ffmpeg to honor 'analyzeduration' and 'probesize'?

Mon Dec 25 23:48:16 EET 2023

On Mon, Dec 25, 2023 at 10:32 PM Mark Filipak <markfilipak.imdb at gmail.com>
wrote:

> Hi All,
> How can I get ffmpeg to honor 'analyzeduration' and 'probesize'?
>
> I'm submitting "-analyzeduration 5772725000 -probesize 15091101696".
> Getting "Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (5000000)".
> The terminal output is below.
> I've attached 00305+00306.zip
> It contains:
>    00305+00306.cmd
>    00305+00306.txt
>    ffmpeg-20231225-151722.log
> Note: In order to get GMail to send the ZIP, I had to change the name of
> 00305+00306.cmd to
> "00305+00306.cmdfoo".
> Note: I reduced the size of ffmpeg-20231225-151722.log from 41,483,612
> bytes to 8,523,561 bytes by
> deleting
> 1188892 lines of "Writing block of size..." and
> 337231 lines of "...forcing output" and
> 1072327 lines of "[concat @ 0000000000398480] file:..." and
> 112681 lines of "[concat @ 0000000000398480]  -> pts:..." and
> 107938 lines of "[NULL @ 00000000085ebc00] ct_type:1 pic_struct:0".
>
> Thanks -- Mark.
>
>
> C:\Windows\System32>ffmpeg -report -analyzeduration 5772725000 -probesize
> 15091101696 -r 24000/1001
> -f concat -safe 0 -i c:\00305+00306.txt -map 0 -c copy -dn
> c:\00305+00306.mkv
>

For concat demuxer inputs you probably need to put those options with
values inside that .txt file.
Because ffmpeg is not used directly with concat demuxer, as concat demuxer
is doing many stuff at once.

Consult concat demuxer documention for more info.

ffmpeg started on 2023-12-25 at 15:17:22
> Report written to "ffmpeg-20231225-151722.log"
> Log level: 48
> ffmpeg version 2023-11-09-git-acf63d5350-full_build-www.gyan.dev
> Copyright (c) 2000-2023 the FFmpeg
> developers
>    built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
>    configuration: --enable-gpl --enable-version3 --enable-static
> --pkg-config=pkgconf
> --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-libzvbi
> --enable-librav1e
> --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265
> --enable-libxavs2
> --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-ffnvcodec
> --enable-nvdec --enable-nvenc
> --enable-dxva2 --enable-d3d11va --enable-libvpl --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      58. 32.100 / 58. 32.100
>    libavcodec     60. 33.100 / 60. 33.100
>    libavformat    60. 17.100 / 60. 17.100
>    libavdevice    60.  4.100 / 60.  4.100
>    libavfilter     9. 13.100 /  9. 13.100
>    libswscale      7.  6.100 /  7.  6.100
>    libswresample   4. 13.100 /  4. 13.100
>    libpostproc    57.  4.100 / 57.  4.100
> [dca @ 00000000003a5500] Residual encoded channels are present without core
> [matroska,webm @ 00000000003a4a80] Could not find codec parameters for
> stream 2 (Subtitle:
> hdmv_pgs_subtitle (pgssub)): unspecified size
> Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (5000000) options
> [matroska,webm @ 00000000003a4a80] Auto-inserting h264_mp4toannexb
> bitstream filter
> [dca @ 0000000003af5040] Residual encoded channels are present without core
> Input #0, concat, from 'c:\00305+00306.txt':
>    Duration: 02:47:55.46, start: 0.000000, bitrate: N/A
>    Stream #0:0: Video: h264 (High), yuv420p(progressive), 1920x1080 [SAR
> 1:1 DAR 16:9], 23.98 fps,
> 23.98 tbr, 1k tbn
>      Metadata:
>        DURATION        : 01:32:51.432000000
>    Stream #0:1: Audio: dts (DTS-HD MA), 48000 Hz, mono, s32p (24 bit)
>      Metadata:
>        DURATION        : 01:32:51.393000000
>    Stream #0:2: Subtitle: hdmv_pgs_subtitle, 1920x1080
>      Metadata:
>        DURATION        : 01:31:16.546000000
> Output #0, matroska, to 'c:\00305+00306.mkv':
>    Metadata:
>      encoder         : Lavf60.17.100
>    Stream #0:0: Video: h264 (High) (H264 / 0x34363248),
> yuv420p(progressive), 1920x1080 [SAR 1:1 DAR
> 16:9], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn
>      Metadata:
>        DURATION        : 01:32:51.432000000
>    Stream #0:1: Audio: dts (DTS-HD MA) ([1] [0][0] / 0x2001), 48000 Hz,
> mono, s32p (24 bit)
>      Metadata:
>        DURATION        : 01:32:51.393000000
>    Stream #0:2: Subtitle: hdmv_pgs_subtitle ([255][255][255][255] /
> 0xFFFFFFFF), 1920x1080
>      Metadata:
>        DURATION        : 01:31:16.546000000
> Stream mapping:
>    Stream #0:0 -> #0:0 (copy)
>    Stream #0:1 -> #0:1 (copy)
>    Stream #0:2 -> #0:2 (copy)
> Press [q] to stop, [?] for help
> [matroska @ 00000000088f8f40] Non-monotonic DTS in output stream 0:0;
> previous: 584, current: 575;
> changing to 584. This may result in incorrect timestamps in the output
> file.
> [matroska @ 00000000088f8f40] Non-monotonic DTS in output stream 0:0;
> previous: 584, current: 575;
> changing to 584. This may result in incorrect timestamps in the output
> file.
> [dca @ 0000000004787400] Residual encoded channels are present without core
> [matroska,webm @ 00000000050a9940] Could not find codec parameters for
> stream 2 (Subtitle:
> hdmv_pgs_subtitle (pgssub)): unspecified size
> Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (5000000) options
> [matroska,webm @ 00000000050a9940] Auto-inserting h264_mp4toannexb
> bitstream filter
> [out#0/matroska @ 0000000000787b80] video:23083482kB audio:1345656kB
> subtitle:40434kB other
> streams:0kB global headers:0kB muxing overhead: 0.041062%
> size=24479619kB time=02:47:55.41 bitrate=19903.6kbits/s
> speed=13.4x_______________________________________________
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