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80 lines
2.1 KiB
80 lines
2.1 KiB
#!/usr/bin/env sh |
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REAR_NODE="ov5640 4-004c" |
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REAR_LINK='"gc2145 4-003c":0->"sun6i-csi":0' |
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REAR_MODE="1920x1080@20" |
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FRONT_NODE="gc2145 4-003c" |
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FRONT_LINK='"ov5640 4-004c":0->"sun6i-csi":0' |
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FRONT_MODE="1600x1200@15" |
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FMTPIX='UYVY' |
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FMTBUS='UYVY8_2X8' |
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err() { |
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printf %b "$1" | dmenu -fn Terminus-20 -c -l 10 |
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exit 1 |
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} |
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setupmediactllinks() { |
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media-ctl -d /dev/media1 --links "$1" |
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media-ctl -d /dev/media1 --links "$2" |
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} |
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setupv4l2() { |
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MODE="$1" |
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NODE="$2" |
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RES="${MODE%%@*}" |
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SPEED="${MODE##*@}" |
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HEIGHT="${RES%%x*}" |
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WIDTH="${RES##*x}" |
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eval "media-ctl -d /dev/media1 --set-v4l2 '\"$NODE\":0[fmt:$FMTBUS/$RES@1/$SPEED]'" |
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v4l2-ctl --device /dev/video1 --set-fmt-video="width=$WIDTH,height=$HEIGHT,pixelformat=$FMTPIX" || |
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err "Couldnt set up camera\n Is killswitch in right position?" |
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} |
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startmpv() { |
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MODE="$1" |
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TRANSPOSE="$2" |
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RES="${MODE%%@*}" |
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SPEED="${MODE##*@}" |
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HEIGHT="${RES##*x}" |
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WIDTH="${RES%%x*}" |
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# FFMpeg here is just converting V4L2 into rawvideo data to pipe to mpv which |
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# has better compatabilty with mpv's rawvideo demuxer (then v4l2 data). There |
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# (may) be a way to directly invoke the rawvideo demuxer with a v4l2 device |
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# in mpv; but this is simpler and more reliable for now. |
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ffmpeg -re -fflags nobuffer -f v4l2 -video_size "$RES" -i /dev/video1 -f rawvideo - | |
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mpv \ |
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--cache-secs=0 --demuxer-readahead-secs=0 \ |
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--demuxer-rawvideo-w="$WIDTH" --demuxer-rawvideo-h="$HEIGHT" \ |
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--untimed --vo=xv --cache-pause=no --no-demuxer-thread \ |
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--profile=low-latency --demuxer=rawvideo -vf transpose="$TRANSPOSE" \ |
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- |
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} |
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camerarear() { |
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setupmediactllinks "${REAR_LINK}[0]" "${FRONT_LINK}[1]" |
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setupv4l2 "$REAR_MODE" "$REAR_NODE" |
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startmpv "$REAR_MODE" 1 |
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} |
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camerafront() { |
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setupmediactllinks "${FRONT_LINK}[0]" "${REAR_LINK}[1]" |
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setupv4l2 "$FRONT_MODE" "$FRONT_NODE" |
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startmpv "$FRONT_MODE" 3 |
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} |
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cameramenu() { |
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CHOICE="$( |
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printf %b "Rear Camera\nFront Camera\nClose Menu" | |
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dmenu -fn Terminus-30 -c -p "Camera" -l 20 |
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)" |
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if [ "$CHOICE" = "Close Menu" ]; then |
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exit 0 |
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elif [ "$CHOICE" = "Rear Camera" ]; then |
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st -e "$0" camerarear |
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elif [ "$CHOICE" = "Front Camera" ]; then |
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st -e "$0" camerafront |
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fi |
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} |
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if [ $# -gt 0 ]; then |
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"$@" |
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else |
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cameramenu |
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fi
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