Hello.
I have been trying to use lavrec for several years now. I've tried several
different versions and it never seems to work. I've tried with a DC30+ and a
WinTV card (bttv). The bttv card works well with motv (and presumably xawtv),
ffmpeg, and transcode, but not with lavrec. Any ideas?
Thanks,
- Peter Federighi
Here's the output with the WinTV card:
hal9000:~ # lavrec -v 2 --software-encoding --use-read --audio-bitsize 16
--audio-bitrate 48000 --geometry 640x480 --format q --input n file.qt
INFO: [lavrec] Recording parameters:
INFO: [lavrec] Output format: Quicktime
INFO: [lavrec] Input Source: BT8x8 1st input NTSC
INFO: [lavrec] Decimation: 4
INFO: [lavrec] Quality: 50
INFO: [lavrec] Recording time: -1 sec
INFO: [lavrec]
INFO: [lavrec] MJPEG buffer size: 256 KB
INFO: [lavrec] # of MJPEG buffers: 64
INFO: [lavrec] Audio parameters:
INFO: [lavrec] Audio sample size: 16 bit
INFO: [lavrec] Audio sampling rate: 48000 Hz
INFO: [lavrec] Audio is MONO
INFO: [lavrec] Audio input recording level: Use mixer setting
INFO: [lavrec] Level of correction for Audio/Video synchronization:
INFO: [lavrec] Lost frame compensation and frame drop/insert
--DEBUG: [lavrec] Maximum size per file will be 4193280 MB
INFO: [lavrec] Using read(2)/write(2) system call for capture/playpack
INFO: [lavrec] Auto detecting input and norm ...
INFO: [lavrec] Image size will be 640x480, 2 field(s) per buffer
INFO: [lavrec] Got 8 YUV-buffers of size 2080 KB
INFO: [lavrec] Created 64 MJPEG-buffers of size 256 KB
INFO: [lavrec] Getting audio ...
--DEBUG: [lavrec] Starting software encoding thread
--DEBUG: [lavrec] Starting software encoding thread
--DEBUG: [lavrec] Encoding thread: sleeping for new frames (waiting for frame 1)
--DEBUG: [lavrec] Encoding thread: sleeping for new frames (waiting for frame 0)
INFO: [lavrec] Created 3 software JPEG-encoding process(es)
--DEBUG: [lavrec] Starting software encoding thread
--DEBUG: [lavrec] Queueing frame 0
--DEBUG: [lavrec] Encoding thread: sleeping for new frames (waiting for frame 2)
**ERROR: [lavrec] Error queuing buffers: Device or resource busy
Recording time : 0.00.00:00
Lost frames : 0
A/V sync ins/del: 0/0
Audio errors : 0
------------------------------------------------------------------------------
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