diff options
| author | Jonas Smedegaard <dr@jones.dk> | 2017-04-28 00:29:01 +0200 |
|---|---|---|
| committer | Jonas Smedegaard <dr@jones.dk> | 2017-04-28 00:29:01 +0200 |
| commit | 4c9bb43819a0084c2b4a9de9e352a4de888988c7 (patch) | |
| tree | effec26bee48c3d64a8a0465b32619f307172d07 | |
| parent | 2a70d239d48f8644eede497bbc1c04a03fda9ab9 (diff) | |
Refactor to flexibly support inputs, and make logo optional.
| -rwxr-xr-x | bin/captureDVCAM+edit+encode+stream | 65 |
1 files changed, 56 insertions, 9 deletions
diff --git a/bin/captureDVCAM+edit+encode+stream b/bin/captureDVCAM+edit+encode+stream index 4bf2e4d..0e99129 100755 --- a/bin/captureDVCAM+edit+encode+stream +++ b/bin/captureDVCAM+edit+encode+stream @@ -2,18 +2,64 @@ set -e -AINPUT=hw:0 -VINPUT=/dev/fw1 -LOGO=../../content/icon_small.png +# TODO: Externalize to site-specific configfile +[ $# -gt 0 ] || set -- morla 5002 -- dvcam ../../content/icon_small.png -HOST=${1:-morla} +exit1() { + echo >&2 "ERROR: $1" + exit 1 +} + +while [ $# -gt 0 ]; do + case $1 in + --) + shift; break;; + *) + if [ -z "$HOST" ]; then + HOST=$1 + elif [ -z "$FIRSTPORT" ]; then + FIRSTPORT=$1 + else + exit1 "Too many arguments: Max. 2 about target" + fi + ;; + esac + shift +done + +# TODO: Externalize to site-specific configfile +[ $# -gt 0 ] || set -- dvcam ../../content/icon_small.png + +while [ $# -gt 0 ]; do + case $1 in + alsa=*) ALSA=${1#*=}; AINPUT=$((AINPUT+1));; + alsa) ALSA=default; AINPUT=$((AINPUT+1));; + dvcam=*) DVCAM=${1#*=}; XINPUT=$((XINPUT+1));; + dvcam) DVCAM=auto; XINPUT=$((XINPUT+1));; + *.png) LOGO=$1; WINPUT=$((WINPUT+1));; + --) shift; break;; + *) exit1 "Unsupported input: $1";; + esac + shift +done + +HOST=${HOST:-127.0.0.1} if [ "$HOST" = "$(hostname --short)" ]; then IP=127.0.0.1 else IP=$(host "$HOST" | grep -Po 'address \K\S+') fi -FIRSTPORT=${2:-5002} # even number - next 3 ports used too +[ -n "$AINPUT$VINPUT$XINPUT" ] || exit1 "Too few arguments: Min. 1 A/V source" +[ -z "$AINPUT" ] || [ -z "$VINPUT" ] || [ -z "$XINPUT" ] || exit1 "Too many arguments: Max. 2 A/V sources" +[ -z "$AINPUT" ] || [ $AINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 audio source" +[ -z "$VINPUT" ] || [ $VINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 video source" +[ -z "$WINPUT" ] || [ $WINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 watermark source" +[ -z "$XINPUT" ] || [ $XINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 multimedia source" +VSTREAMINDEX=1 +[ -n "$AINPUT" ] || VSTREAMINDEX=0 + +FIRSTPORT=${FIRSTPORT:-5002} # even number - next 3 ports used too ACHANNELS=2 AFRAMERATE=48000 @@ -27,11 +73,12 @@ VBITRATE=256000 # + Add 1s latency (deadline) # + Use same RTP payload types as GStreamer ffmpeg -hide_banner -threads auto -re \ - -f iec61883 -i auto \ - -i "$LOGO" \ + ${ALSA:+-f alsa -sample_rate "$AFRAMERATE" -channels "$ACHANNELS" -thread_queue_size 1024 -i "$ALSA"} \ + ${DVCAM:+-f iec61883 -i $DVCAM} \ + ${LOGO:+-i "$LOGO"} \ -filter_complex \ - "[0:v]scale=-1:$HEIGHT[bg]; - [bg][1:v]overlay=main_w-overlay_w-20:main_h-overlay_h-20[v]" \ + "[$VSTREAMINDEX:v]scale=-1:$HEIGHT[bg]${LOGO:+; + [bg][$((VSTREAMINDEX+1)):v]overlay=main_w-overlay_w-20:main_h-overlay_h-20[v]}" \ -map '0:a' \ -codec:a libopus -ac "$ACHANNELS" -ar "$AFRAMERATE" -b:a "$ABITRATE" \ -f rtp -payload_type 111 "rtp://$IP:$FIRSTPORT?pkt_size=1200" \ |