From 5919275dde112187c5aeedeb7b4a76de8a7eb3dd Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Tue, 16 May 2017 14:11:52 +0200
Subject: Introduce variables SPEED_VPX SPEED_H264.

---
 bin/stream | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'bin/stream')

diff --git a/bin/stream b/bin/stream
index 846ebde..d044b24 100755
--- a/bin/stream
+++ b/bin/stream
@@ -88,6 +88,9 @@ HEIGHT=234
 HEIGHTS_WEBM="$HEIGHT"
 HEIGHTS_MPEG="$HEIGHT"
 
+SPEED_VPX=15
+SPEED_X264=ultrafast
+
 # inspired by Apple HLS recommendations
   if [ $HEIGHT -le 234 ]; then VBITRATE=145000;
 elif [ $HEIGHT -le 270 ]; then VBITRATE=365000;
@@ -176,7 +179,7 @@ ffmpeg -hide_banner -threads auto \
  -codec:a libopus -ac "$ACHANNELS" -ar "$AFRAMERATE_OPUS" -b:a "$ABITRATE_OPUS" } \
  ${HASVIDEO:+\
  -pix_fmt yuv420p \
- -codec:v vp8 -quality realtime -deadline 1000000 -cpu-used 15 \
+ -codec:v vp8 -quality realtime -deadline 1000000 -cpu-used "$SPEED_VPX" \
  -b:v "$VBITRATE" -minrate "$VBITRATE" -maxrate "$VBITRATE" \
  -undershoot-pct 95 -bufsize $((6000*VBITRATE/1000)) -rc_init_occupancy $((4000*VBITRATE/1000)) \
  -max-intra-rate 0 \
@@ -192,7 +195,7 @@ ffmpeg -hide_banner -threads auto \
  -codec:a aac -strict experimental -ac "$ACHANNELS" -ar "$AFRAMERATE_AAC" -b:a $((ACHANNELS*ABITRATE_AAC)) } \
  ${HASVIDEO:+\
  -pix_fmt yuv420p \
- -codec:v libx264 -tune zerolatency -preset ultrafast \
+ -codec:v libx264 -tune zerolatency -preset "$SPEED_X264" \
  -maxrate "$VBITRATE" -bufsize "$((VBITRATE*2))" -crf 23 } \
  -force_key_frames 'expr:gte(t,n_forced*2)' \
  -f rtp_mpegts rtp://$IP:10000 }
-- 
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