Den 05.01.2024 03:38, skrev Andrew Randrianasulu via Cin:
Just for testing my aspect ratio patch series ...
It makes funny dv out of HDV with two channel of audio:
mediainfo /dev/shm/dv.dv
General
Complete name : /dev/shm/dv.dv
Format : DV
Commercial name : DVCPRO HD
File size : 322 MiB
Frame rate : 25.000 FPS
Recorded date : 1970-01-01 00:00:00.000
Video
Format : DV
Commercial name : DVCPRO HD
Width : 1 440 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Standard : PAL
Color space : YUV
Scan type : Interlaced
Scan order : Bottom Field First
Compression mode : Lossy
Time code of first frame : 00:00:00:00
Time code source : Subcode time code
Audio #1
ID : 0
Format : PCM
Format settings : Big / Signed
Bit rate mode : Constant
Bit rate : 768 kb/s
Channel(s) : 1 channel
Sampling rate : 48.0 kHz
Bit depth : 16 bits
Audio #2
ID : 1
Format : PCM
Format settings : Big / Signed
Bit rate mode : Constant
Bit rate : 768 kb/s
Channel(s) : 1 channel
Sampling rate : 48.0 kHz
Bit depth : 16 bits
Audio #3
ID : 2
Format : PCM
Format settings : Big / Signed
Bit rate mode : Constant
Bit rate : 768 kb/s
Channel(s) : 1 channel
Sampling rate : 48.0 kHz
Bit depth : 16 bits
Audio #4
ID : 3
Format : PCM
Format settings : Big / Signed
Bit rate mode : Constant
Bit rate : 768 kb/s
Channel(s) : 1 channel
Sampling rate : 48.0 kHz
Bit depth : 16 bits
ffprobe says:
ffprobe /dev/shm/dv.dv
ffprobe version 4.4.4 Copyright (c) 2007-2023 the FFmpeg developers
built with gcc 11.2.0 (GCC)
configuration: --prefix=/usr --libdir=/usr/lib --shlibdir=/usr/lib
--docdir=/usr/doc/ffmpeg-4.4.4/html --mandir=/usr/man --disable-debug
--enable-shared --disable-static --enable-gpl --enable-version3
--enable-avresample --arch=i586 --enable-libfontconfig
--enable-libfreetype --enable-libfribidi --enable-gnutls
--enable-libass --enable-libbluray --enable-libcdio --enable-frei0r
--enable-libgsm --enable-openal --enable-libopus --enable-librtmp
--enable-libspeex --enable-libssh --enable-libtheora
--enable-libtwolame --enable-libv4l2 --enable-libvidstab
--enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxvid --enable-libzmq --enable-libmp3lame
--enable-opencl --enable-opengl --enable-libopenjpeg
--disable-libpulse --enable-libsmbclient --enable-libsvtav1
--enable-libxml2 --enable-librsvg --enable-libdrm --enable-libaom
--enable-libdav1d --enable-libsoxr --enable-libzimg
--enable-vapoursynth
libavutil 56. 70.100 / 56. 70.100
libavcodec 58.134.100 / 58.134.100
libavformat 58. 76.100 / 58. 76.100
libavdevice 58. 13.100 / 58. 13.100
libavfilter 7.110.100 / 7.110.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 9.100 / 5. 9.100
libswresample 3. 9.100 / 3. 9.100
libpostproc 55. 9.100 / 55. 9.100
[dv @ 0x886bfc0] Estimating duration from bitrate, this may be inaccurate
Input #0, dv, from '/dev/shm/dv.dv':
Metadata:
timecode : 00:00:00:00
Duration: 00:00:23.48, start: 0.000000, bitrate: 115200 kb/s
Stream #0:0: Video: dvvideo, yuv422p, 1440x1080 [SAR 4:3 DAR 16:9],
25000 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream #0:2: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream #0:3: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream #0:4: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
so, 8 streams ( four stereo pairs), only first 2 of them are real :)
The format seems to be DVCPro HD (Panasonic), not HDV?
https://en.wikipedia.org/wiki/DV_(video_format)#DVCPRO_HD
But recorded date 1970 was early?
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