Shift P:
FFMPEG mov
Audio wrench enabled first: Didn't find simple pcm_s16le and tried
dnxhr_pcm_s16.mov, but got mismatch and disabled it
Video wrench: dv50p.mov
Video4Linux /dev/video0
50 frames to record at a time
720 x 576
50.000 frame reate for recording
r(ecording)
Start record:
cin
Cinelerra Infinity - built: May 18 2025 05:16:59
........
DeviceV4L2Base::v4l2_open
pixels="YUYV"; res="1920x1080 1600x1200 1360x768 1280x1024
1280x960 1280x720 1024x768 800x600 720x576 720x480 640x480"
v4l2 s_fmt 720x576 YUYV
DeviceV4L2Base::v4l2_open VIDIOC_S_STD: Inappropriate ioctl for
device
int FFMPEG::init_encoder(const char*):
mismatch audio/video file format:
/home/terje/Videos//DV50p_pal.mov
DeviceV4L2Base::v4l2_open pixels="YUYV"; res="1920x1080
1600x1200 1360x768 1280x1024 1280x960 1280x720 1024x768 800x600
720x576 720x480 640x480"
v4l2 s_fmt 720x576 YUYV
DeviceV4L2Base::v4l2_open VIDIOC_S_STD: Inappropriate ioctl for
device
[AVFormatContext @ 0x7f6aa81d0080] Requested output format
'dv50p_pal.mov' is not known.
int FFMPEG::init_encoder(const char*):
failed: /home/terje/Videos//DV50p_pal.mov
DeviceV4L2Base::v4l2_open pixels="YUYV"; res="1920x1080
1600x1200 1360x768 1280x1024 1280x960 1280x720 1024x768 800x600
720x576 720x480 640x480"
v4l2 s_fmt 720x576 YUYV
DeviceV4L2Base::v4l2_open VIDIOC_S_STD: Inappropriate ioctl for
device
[AVFormatContext @ 0x7f6aa81ad0c0] Requested output format
'dv50p_pal.mov' is not known.
int FFMPEG::init_encoder(const char*):
failed: /home/terje/Videos//DV50p_pal.mov
DeviceV4L2Base::v4l2_open pixels="YUYV"; res="1920x1080
1600x1200 1360x768 1280x1024 1280x960 1280x720 1024x768 800x600
720x576 720x480 640x480"
v4l2 s_fmt 720x576 YUYV
--------------------
ffmpeg -hide_banner -f
v4l2 -i /dev/video0 -f alsa -ch_layout stereo -i hw:CARD=UHD,DEV=0
-c:v dvvideo -vf scale=720x576 -r 50 -c:a copy -t 10 -f mov
dv_r50+pcm.mov
Input #0, video4linux2,v4l2, from '/dev/video0':
Duration: N/A, start: 538.465207, bitrate: 1990656 kb/s
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422,
1920x1080, 1990656 kb/s, 60 fps, 60 tbr, 1000k tbn
Input #1, alsa, from 'hw:CARD=UHD,DEV=0':
Duration: N/A, start: 1749738351.392999, bitrate: 1536 kb/s
Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo (native) -> dvvideo
(native))
Stream #1:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
[dvvideo @ 0x7f2298705c80] Only top-left chroma location is
supported in DV, input value is: unspecified
----
frame= 476 fps= 50 q=-0.0 size= 135168KiB time=00:00:09.50
bitrate=116553.7kbits/s dup=0 drop=94 speed= 1x [out#0/mov @
0x55b8598e3700] video:140625KiB audio:1875KiB subtitle:0KiB other
streams:0KiB global headers:0KiB muxing overhead: 0.026882%
frame= 500 fps= 50 q=-0.0 Lsize= 142539KiB time=00:00:10.00
bitrate=116767.6kbits/s dup=0 drop=98 speed=0.999x
--------
du -sh dv*
140M dv_50M+pcm.mov
140M dv_r50_50M+pcm.mov
140M dv_r50+pcm.mov
-----
ffprobe -hide_banner
dv_r50+pcm.mov
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'dv_r50+pcm.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf61.7.100
Duration: 00:00:10.00, start: 0.000000, bitrate: 116749 kb/s
Stream #0:0[0x1]: Video: dvvideo (dv5p / 0x70357664),
yuv422p(progressive), 720x576 [SAR 16:15 DAR 4:3], 57600 kb/s, 50
fps, 50 tbr, 12800 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : FFMP
encoder : Lavc61.19.101 dvvideo
Stream #0:1[0x2]: Audio: pcm_s16le (sowt / 0x74776F73), 48000
Hz, stereo, s16, 1536 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0
--------------
mediainfo
dv_r50+pcm.mov
General
Complete name : dv_r50+pcm.mov
Format : MPEG-4
Format profile : QuickTime
Codec ID : qt 0000.02 (qt )
File size : 139 MiB
Duration : 10 s 2 ms
Overall bit rate mode : Constant
Overall bit rate : 117 Mb/s
Frame rate : 50.000 FPS
Writing application : Lavf61.7.100
Video
ID : 1
Format : DV
Codec ID : dv5p
Duration : 10 s 0 ms
Bit rate mode : Constant
Bit rate : 24.4 Mb/s
Width : 720 pixels
Height : 576 pixels
Display aspect ratio : 4:3
Frame rate mode : Constant
Frame rate : 50.000 FPS
Original frame rate : 25.000 FPS
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:2
Bit depth : 8 bits
Scan type : Progressive
Original scan type : Interlaced
Original scan order : Bottom Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 1.179
Stream size : 29.1 MiB (21%)
Writing library : Lavc61.19.101 dvvideo
Audio
ID : 2
Format : PCM
Format settings : Little / Signed
Codec ID : sowt
Duration : 10 s 2 ms
Bit rate mode : Constant
Bit rate : 1 536 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Bit depth : 16 bits
Stream size : 1.83 MiB (1%)
Default : Yes
Alternate group : 1
--