diff options
| -rwxr-xr-x | .local/share/bin/ccpreview | 78 |
1 files changed, 43 insertions, 35 deletions
diff --git a/.local/share/bin/ccpreview b/.local/share/bin/ccpreview index 98843a4..a835ab4 100755 --- a/.local/share/bin/ccpreview +++ b/.local/share/bin/ccpreview @@ -1,48 +1,56 @@ #!/bin/sh -caffeine - -PCI_ADDRESS="0000:00:14.0" -# USB_BUS_NUM="11" -USB_BUS_NUM="12" -VIDEO_DEVICE="/dev/v4l/by-path/pci-$PCI_ADDRESS-usb-0:$USB_BUS_NUM:1.0-video-index0" -AUDIO_DEVICE="alsa:usbstream=CARD=MS2109" +# capture card sysfs device path +SYSFS_PATH="/devices/pci0000:00/0000:00:14.0/usb1/1-12" +# script args WIDTH="$1" HEIGHT="$2" FRAMERATE="$3" -RESOLUTION="${WIDTH}x${HEIGHT}" -DEVICE="$(readlink -f "$VIDEO_DEVICE")" -# DEVICE_INDEX="$(grep "usb-$PCI_ADDRESS-$USB_BUS_NUM" /proc/asound/card*/usbmixer | cut -d: -f1 | tr -cd '[:digit:]')" -# DEFAULT_SINK_ALIAS="$(pw-metadata 0 default.audio.sink | grep -Po "value:'(.*?)'" | head -c-2 | cut -c8- | jq --raw-output .name)" +# find audio device (pulseaudio) +PULSE_DEVICE="$(pactl -f json list sources | jq \ + --arg sysfs_path "$SYSFS_PATH" --raw-output \ + '.[] | select(.properties["sysfs.path"] | . != null and startswith($sysfs_path)) | .name')" +AUDIO_URL="av://pulse:$PULSE_DEVICE" -# CAPTURE_FL="alsa:pcm:$DEVICE_INDEX:front:$DEVICE_INDEX:capture:capture_0" -# CAPTURE_FR="alsa:pcm:$DEVICE_INDEX:front:$DEVICE_INDEX:capture:capture_1" -# OUTPUT_FL="$DEFAULT_SINK_ALIAS:playback_0" -# OUTPUT_FR="$DEFAULT_SINK_ALIAS:playback_1" +# find video device (video4linux) +V4L_PATH="$(find "/sys$SYSFS_PATH" -name 'video4linux' | head -n1)" +V4L_PATH="$(find "$V4L_PATH" -name 'index' | xargs grep -l '^0$')" +V4L_PATH="$(echo "$V4L_PATH" | sed 's#/index$#/uevent#')" +VIDEO_DEVICE="$(. "$V4L_PATH" ; echo "/dev/$DEVNAME")" +VIDEO_DEVICE="$(readlink -f "$VIDEO_DEVICE")" +VIDEO_URL="av://v4l2:$VIDEO_DEVICE" -# echo "link $CAPTURE_FR -> $OUTPUT_FR" -# echo "link $CAPTURE_FL -> $OUTPUT_FL" - -# pw-link "$CAPTURE_FL" "$OUTPUT_FL" -# pw-link "$CAPTURE_FR" "$OUTPUT_FR" +RESOLUTION="${WIDTH}x${HEIGHT}" -v4l2-ctl -d "$DEVICE" --set-parm "$FRAMERATE" -v4l2-ctl -d "$DEVICE" --set-fmt-video "width=$WIDTH,height=$HEIGHT,pixelformat=MJPG" -v4l2-ctl -d "$DEVICE" --set-ctrl "brightness=0,contrast=128,saturation=128,hue=0" +# set capture card v4l parameters +v4l2-ctl --silent --device "$VIDEO_DEVICE" \ + --set-parm "$FRAMERATE" \ + --set-fmt-video "width=$WIDTH,height=$HEIGHT,pixelformat=MJPG" \ + --set-ctrl "brightness=0,contrast=128,saturation=128,hue=0" +# preview window mpv \ - --no-config \ - --input-conf=/dev/null --profile=low-latency --untimed --no-correct-pts \ - --no-osc --no-input-default-bindings --cache=no --pause=no --force-seekable=no \ - --demuxer-lavf-format=video4linux2 \ - --demuxer-lavf-o-set=input_format=mjpeg,framerate="$FRAMERATE",resolution="$RESOLUTION",rw_timeout=30000000 \ - --demuxer-thread=yes \ - "av://v4l2:$DEVICE" -# --audio-samplerate=48000 --audio-channels=stereo --audio-file="av://$AUDIO_DEVICE" \ -# --lavfi-complex="[aid1] amix [ao]; [v] [ao] concat=n=1:v=1:a=1 [vo] [ao]" \ - -# pw-link -d "$CAPTURE_FL" "$OUTPUT_FL" -# pw-link -d "$CAPTURE_FR" "$OUTPUT_FR" + --msg-level=input=no --no-config --input-conf=/dev/null \ + --no-osc --no-input-default-bindings --pause=no --force-seekable=no \ + \ + --no-cache --untimed --no-correct-pts \ + --no-demuxer-thread \ + --video-sync=audio \ + --audio-buffer=0 \ + --vd-lavc-threads=1 \ + --cache-pause=no \ + --interpolation=no \ + --video-latency-hacks=yes \ + --stream-buffer-size=4k \ + \ + --demuxer-lavf-o-add=fflags=+nobuffer \ + --demuxer-lavf-analyzeduration=0 \ + --demuxer-lavf-o-add=input_format=mjpeg \ + --demuxer-lavf-o-add=framerate="$FRAMERATE" \ + --demuxer-lavf-o-add=resolution="$RESOLUTION" \ + --demuxer-lavf-o-add=rw_timeout=30000000 \ + \ + "$VIDEO_URL" --audio-file="$AUDIO_URL" |