dericed
commented
1 year ago Trying again on the latest daily build:
% dvrescue device://59:00000000:003bc300 --decklink-audio-source embedded --decklink-video-source sdi --decklink-video-mode ntsc -m test.mkv
Capture frame 132, press ctrl+c to stop.%
% ffmpeg -i test.mkv
ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
built with Apple clang version 12.0.0 (clang-1200.0.32.29)
configuration: --prefix=/usr/local/Cellar/ffmpeg/6.0 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox
libavutil 58. 2.100 / 58. 2.100
libavcodec 60. 3.100 / 60. 3.100
libavformat 60. 3.100 / 60. 3.100
libavdevice 60. 1.100 / 60. 1.100
libavfilter 9. 3.100 / 9. 3.100
libswscale 7. 1.100 / 7. 1.100
libswresample 4. 10.100 / 4. 10.100
libpostproc 57. 1.100 / 57. 1.100
[matroska,webm @ 0x7fa185c04d80] Element at 0x1bf ending at 0x1cd exceeds containing master element ending at 0x1cc
[matroska,webm @ 0x7fa185c04d80] Duplicate element
[matroska,webm @ 0x7fa185c04d80] Element at 0x231 ending at 0xe7161 exceeds containing master element ending at 0x13f7
[matroska,webm @ 0x7fa185c04d80] Duplicate element
[matroska,webm @ 0x7fa185c04d80] 0x00 at pos 202 (0xca) invalid as first byte of an EBML number
[matroska,webm @ 0x7fa185c04d80] Element at 0x67 ending at 0xd14dbb9253abf4 exceeds containing master element ending at 0x1413
[matroska,webm @ 0x7fa185c04d80] 0x00 at pos 119 (0x77) invalid as first byte of an EBML number
[matroska,webm @ 0x7fa185c04d80] Element at 0x1bf ending at 0x1cd exceeds containing master element ending at 0x1cc
[matroska,webm @ 0x7fa185c04d80] Invalid track number 2
Last message repeated 4 times
Input #0, matroska,webm, from 'test.mkv':
Metadata:
encoder : dvrescue0.00
Duration: 00:00:04.40, start: 0.000000, bitrate: 226806 kb/s
Stream #0:0: Video: v210 (v210 / 0x30313276), yuv422p10le(bottom first), 720x486, SAR 9:10 DAR 4:3, 29.97 fps, 29.97 tbr, 1k tbn (default)
Stream #0:1: Video: v210 (v210 / 0x30313276), yuv422p10le(bottom first), 720x486, SAR 9:10 DAR 4:3, 29.97 fps, 29.97 tbr, 1k tbn (default)
At least one output file must be specifiedStill two video tracks and no audio. And invalid mkv structure.
% mediaconch test.mkv
fail! test.mkv
-- EBML-ELEMENT-CONTAINS-MANDATES
-- [fail:TrackUID MUST be a Child Element of TrackEntry but is not present.]
-- [/Segment[1]/Tracks[1]/TrackEntry[1]: [157 bytes] at bytes offset of 303]
-- [fail:TrackUID MUST be a Child Element of TrackEntry but is not present.]
-- [/Segment[1]/Tracks[1]/TrackEntry[2]: [70 bytes] at bytes offset of 460]It seems like there are void elements where there are missing parts in the mkv tracks section so maybe it's the way FFmpeg is ending the capture. For instance the CRC and Track UID are not in the tracks element but there are void elements of those same sizes as if it should be overwritten at the end. Perhaps a different stop signal is needed so FFmpeg can finalize the file.
JeromeMartinez
I'm using the dvrescue found on the test computer.
The output has two video tracks, no audio track, and an invalid EBML structure.