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What: dv1394 (a.k.a. "OHCI-DV I/O support" for FireWire)
Date: May 2010 (scheduled), finally removed in kernel v2.6.37
/dev/dv1394/* were character device files, one for each FireWire
controller and for NTSC and PAL respectively, from which DV data
could be received by read() or transmitted by write(). A few
ioctl()s allowed limited control.
This special-purpose interface has been superseded by libraw1394 +
libiec61883 which are functionally equivalent, support HDV, and
transparently work on top of the newer firewire kernel drivers.
ffmpeg/libavformat (if configured for DV1394)