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path: root/bin/send-gst-rtp-v-a
blob: cc30c0e7ece3f0f859e1e7a0f3c8e63e3ba77ae3 (plain)
  1. #!/bin/sh
  2. # Send RTP video and audio streams
  3. set -e
  4. RECIP=${RECIP:-$1} # destination host - default: use multicast group
  5. VDEVICES=${1:-$(find /dev -maxdepth 1 -type c -name 'video*' | sort)}
  6. #ADEVICES=${2:-$(arecord -L | grep -Po '^hw:\S+')}
  7. #ADEVICES=${2:-$(arecord -L | grep -Pom1 '^hw:\S+')}
  8. ADEVICES=${2:-} # FIXME: Detect/blacklist and skip faulty devices
  9. VFORMAT=${VFORMAT:-$3} # H264 VP8 RAW - default: RAW
  10. AFORMAT=${AFORMAT:-$4} # AMR OPUS RAW - default: RAW
  11. set -u
  12. # set multicast groups (also for recorder host) if camera host is wildcard
  13. [ -n "$RECIP" ] || RECMIP=239.255.0.1
  14. [ -n "$RECIP" ] || CAMMIP=239.255.0.2
  15. RECHOST="${RECIP:+host=$RECIP}${RECMIP:+host=$RECMIP auto-multicast=true}"
  16. CAMHOST="${CAMMIP:+address=$CAMMIP auto-multicast=true}"
  17. HEIGHT=240
  18. FRAMERATE=25
  19. AUDIORATE=48000
  20. VCAPS=video/x-raw,height="$HEIGHT"
  21. ACAPS=audio/x-raw,rate="$AUDIORATE",channels=2,depth=16
  22. # * http://stackoverflow.com/a/42237307
  23. ABUFFERS=20000
  24. # * force threads using queues - see http://stackoverflow.com/a/30738533
  25. # * generous queue sizes inspired by https://wiki.xiph.org/GST_cookbook
  26. QUEUE=" queue max-size-bytes=100000000 max-size-time=0"
  27. case "$VFORMAT" in
  28. H264)
  29. # * let x264 use low-latency sliced-threads (i.e. don't disable treads)
  30. VENC="x264enc speed-preset=ultrafast tune=zerolatency bitrate=800 byte-stream=true key-int-max=15 intra-refresh=true option-string=\"slice-max-size=8192:vbv-maxrate=80:vbv-bufsize=10\" ! video/x-h264,profile=baseline ! $QUEUE ! rtph264pay"
  31. ;;
  32. VP8)
  33. VENC="vp8enc min_quantizer=10 max_quantizer=10 cpu-used=10 deadline=1000000 ! video/x-vp8 ! $QUEUE ! rtpvp8pay"
  34. ;;
  35. RAW|'')
  36. VENC="rtpvrawpay"
  37. ;;
  38. esac
  39. case "$AFORMAT" in
  40. AMR)
  41. AENC="amrnbenc ! $QUEUE ! rtpamrpay"
  42. ;;
  43. OPUS)
  44. AENC="opusenc ! $QUEUE ! rtpopuspay"
  45. ;;
  46. RAW|'')
  47. AENC="rtpL16pay"
  48. ;;
  49. esac
  50. stream() {
  51. ID=$1
  52. SRC=$2
  53. echo \
  54. $SRC \
  55. ! "rtpbin.send_rtp_sink_$ID" \
  56. rtpbin."send_rtp_src_$ID" ! queue \
  57. ! udpsink name="rtp_sink_$ID" port=$((5000+ID-1)) $RECHOST \
  58. rtpbin.send_rtcp_src_$ID \
  59. ! udpsink name="rtcp_sink_$ID" port=$((5010+ID-1)) $RECHOST sync=false async=false \
  60. udpsrc name="rtp_src_$ID" port=$((5020+ID-1)) $CAMHOST \
  61. ! rtpbin."recv_rtcp_sink_$ID"
  62. }
  63. n=0
  64. gst-launch-1.0 -v \
  65. rtpbin name=rtpbin \
  66. $(for dev in $VDEVICES; do n=$((n+1)); stream "$n" "v4l2src device=$dev ! $QUEUE ! videoconvert ! $VCAPS ! $QUEUE ! $VENC ! $QUEUE"; done; \
  67. for dev in $ADEVICES; do n=$((n+1)); stream "$n" "alsasrc device=$dev buffer-time=$ABUFFERS ! $QUEUE ! audioconvert ! $QUEUE ! $AENC ! $QUEUE"; done)
  68. set -e