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-rwxr-xr-xlocalv4ldump119
1 files changed, 0 insertions, 119 deletions
diff --git a/localv4ldump b/localv4ldump
deleted file mode 100755
index ba4880c..0000000
--- a/localv4ldump
+++ /dev/null
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-#!/bin/sh
-# Copyright © 2012, 2013 Jonas Smedegaard <dr@jones.dk>
-# Description: record most possible video data using least CPU
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# Depends: libav-tools, alsa-utils, v4l-utils
-#
-# TODO: add --help option
-# TODO: make inputs overrideable
-# TODO: optionally limit number of inputs
-# TODO: make codecs, rates etc. configurable
-# TODO: auto-limit number of video-inputs per USB channel
-# TODO: include SMTPE channel
-# TODO: Check and ask if outfile already exist
-# TODO: Add --force option to skip asking for overwriting
-
-set -e
-
-#melt cam_Microsoft_LifeCam_Studio.mlt -consumer avformat:x.avi vcodec=ffv1 an=1
-
-output="${1:-dump.mkv}"
-
-# resolve audio inputs: default PCM of all ALSA cards with input devices
-ainputs="$(arecord -l | perl -anE '/^card/ and say $F[2]')"
-#ainputs="CARD=Generic_1,DEV=0"
-
-# FIXME: detect and avoid more than one device on same USB channel:
-# [video4linux2 @ 0xed7e00] ioctl(VIDIOC_STREAMON): No space left on device
-# /dev/video2: No space left on device
-# maybe with $(v4l2-ctl --list-devices)
-vinputs="$(ls -1 /dev/video*)"
-#vinputs="$(ls -1 /dev/video* | grep -v video1)"
-#vinputs="/dev/video0 /dev/video1 /dev/video3"
-#vinputs="/dev/video0"
-
-# TODO: probe and optimize V4L settings (highest 16/9 size at >= 20fps
-inrate=20
-#inrate=10
-outrate=$inrate # seems this ensures fixed rate when input is flaky
-
-#vcodec=huffyuv # more common
-vcodec=ffvhuff # more compact, supports YV12 colorspace
-#vcodec=ffv1 # most compact, supports RGBA colorspace, too CPU-hungry
-
-acodec=pcm_s16le
-
-vf="${vf:+$vf }-vf setpts=(RTCTIME-RTCSTART)/(TB*1000000)" # current time
-vf="${vf:+$vf }-vf hqdn3d" # high-quality denoise (good for webcams)
-font='/usr/share/fonts/truetype/droid/DroidSans.ttf'
-#vf="${vf:+$vf }-vf "drawtext=fontfile=$font: timecode='09\:57\:00\:00': r=25: x=(w-tw)/2: y=h-(2*lh): fontcolor=white: box=1: boxcolor=0x00000000@1"}"
-#vf="${vf:+$vf }-vf "drawtext=fontfile=DroidSans.ttf:'timecode=09\:57\:00\:00':r=25:x=\(w-tw\)/2:y=h-\(2*lh\):fontcolor=white:box=1:boxcolor=0x00000000@1"}"
-
-parse_v4l2_formats() {
- v4l2-ctl --list-formats-ext -d "$1" | perl -n \
- -e '/^\tIndex\h*:/ and $type=$format=$raw=$size=$speed=undef;'\
- -e '/^\tType\h*: (Video Capture)/ and $type=$1;'\
- -e '/^\tPixel Format: '\''(\w+)'\''( \(compressed\))?/ and $format=$1 and $raw=int(!($2));'\
- -e '/^\t\tSize: Discrete (\d+x\d+)/ and $size=$1;'\
- -e 'next unless ($type and $format and $size);'\
- -e '/^\t\t\tInterval: .* \((\d+)\.\d+ fps\)/ and $speed=$1;'\
- -e 'next unless ($speed >= '$inrate');'\
- -E 'say "$raw $size $format"' \
- | sort -rV
-}
-
-# expand arguments
-i=0
-ainargs=
-amaps=
-for input in $ainputs; do
- # TODO: handle varying descriptions (not just pick first entry)
- # TODO: handle more descriptions (not just assume stereo)
- achannels=
- achannelsdesc="$(amixer -c $input | grep '^ Capture channels:' | head -n 1)"
- case $achannelsdesc in
- *': Mono')
- achannels=1
- ;;
- esac
- ainargs="${ainargs:+$ainargs }-f alsa -ar 44100 ${achannels:+-ac $achannels} -i hw:$input"
- amaps="${amaps:+$amaps }-map $i:a"
- i=$(expr $i + 1)
-done
-vinargs=
-vmaps=
-for input in $vinputs; do
- read raw size format dummy <<FORMATS
-$(parse_v4l2_formats $input)
-FORMATS
- case $format in
- YUYV)
- format=yuyv422
- ;;
- MJPG)
- format=mjpeg
- ;;
- esac
- [ -n "$format" ] || { echo "Skipping unsuitable input $input"; continue; }
- vinargs="${vinargs:+$vinargs }-f video4linux2 -input_format $format ${inrate:+-framerate $inrate }-s $size -i $input"
- vmaps="${vmaps:+$vmaps }-map $i:v:0"
- i=$(expr $i + 1)
-done
-voutargs=${vinputs:+-c:v $vcodec $vf ${outrate:+-r $outrate}}
-aoutargs=${ainputs:+-c:a $acodec}
-
-echo avconv -threads auto $ainargs $vinargs $vmaps $amaps $voutargs $aoutargs -y "$output"
-exec avconv -threads auto $ainargs $vinargs $vmaps $amaps $voutargs $aoutargs -y "$output"