diff options
| author | Jonas Smedegaard <dr@jones.dk> | 2017-04-24 10:12:09 +0200 |
|---|---|---|
| committer | Jonas Smedegaard <dr@jones.dk> | 2017-04-24 10:12:09 +0200 |
| commit | 9de9eb344f1c274fac00c6eaa97351f4a2958082 (patch) | |
| tree | b53013eafd5a273a32e31e8a428bc59464ef02b7 /bin | |
| parent | 5f51d9a1ac60fcb524344bf0987957fcf0c212f2 (diff) | |
Add capture+encode+stream (fork of loop+encode+stream).
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/capture+encode+stream | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/bin/capture+encode+stream b/bin/capture+encode+stream new file mode 100755 index 0000000..223b69b --- /dev/null +++ b/bin/capture+encode+stream @@ -0,0 +1,39 @@ +#!/bin/sh + +set -e + +AINPUT=hw:0 +VINPUT=/dev/fw1 + +HOST=${1:-morla} +if [ "$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 + +ACHANNELS=2 +AFRAMERATE=48000 +ABITRATE=32000 + +VBITRATE=256000 + +# based on http://www.webmproject.org/docs/encoder-parameters/#real-time-cbr-encoding-and-streaming +# + Add 1s latency (deadline) +# + Use same RTP payload types as GStreamer +ffmpeg -threads auto -re \ + -f alsa -sample_rate "$AFRAMERATE" -channels "$ACHANNELS" -thread_queue_size 1024 -i "$AINPUT" \ + -f libdc1394 -video_size 640x480 -framerate 15 -thread_queue_size 256 -i "$VINPUT" \ + -codec:a libopus -ac "$ACHANNELS" -ar "$AFRAMERATE" -b:a "$ABITRATE" \ + -vn \ + -f rtp -payload_type 111 "rtp://$IP:$FIRSTPORT?pkt_size=1200" \ + -an \ + -pix_fmt yuv420p \ + -codec:v vp8 -quality realtime -deadline 1000000 -cpu-used 15 \ + -b:v "$VBITRATE" -minrate "$VBITRATE" -maxrate "$VBITRATE" \ + -undershoot-pct 95 -bufsize $((6000*VBITRATE/1000)) -rc_init_occupancy $((4000*VBITRATE/1000)) \ + -max-intra-rate 0 \ + -qmin 4 -qmax 56 \ + -f rtp -payload_type 100 "rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200" |