[Cin] ffmpeg raw dv profiles patch

[Andrew Randrianasulu]

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 :)
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