[Cin] ffmpeg raw dv profiles patch

[Andrew Randrianasulu]

пт, 5 янв. 2024 г., 13:15 Terje J. Hanssen <terjejhanssen at gmail.com>:

>
>
> Den 05.01.2024 09:47, skrev Andrew Randrianasulu:
>
>
>
> пт, 5 янв. 2024 г., 11:38 Terje J. Hanssen via Cin <
> cin at lists.cinelerra-gg.org>:
>
>>
>>
>> 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?
>>
>
>
> yeah, I just mean I used HDV as source.
>
>
> Yet, could it be that the source actually was DVCPro HD?
>
> I mean, where came for example mediainfo' s Commercial name "DVCPRO HD"
> from, and ffprobe's "yuv422p" and PCM audio tracks?
>

it was re-encoded, just as raw dv stream, and *not* put into mov or avi
container :)

not very useful, just for testing more.


>
>
>
>
> Date 1970 is surely too early, but such is default! Probably makes it
> easier to see if file was from camera or re-encoded.
>
>>
>> --
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>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
>
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