From 363f4d522d8ef47dd30537371e7d7ebc53730a48 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Wed, 17 May 2017 08:44:33 +0200
Subject: Vary x264 speed based on height, and make not on doing same for vpx.

---
 bin/capture+encode+serve           | 46 +++++++++++++++++++++++++++++---------
 bin/decode+edit+encode             |  1 +
 bin/decode+edit+loop+encode+stream |  1 +
 bin/encodevideo+loop+stream        |  1 +
 bin/loop+encode+stream             |  1 +
 bin/stream                         | 17 ++++++++------
 6 files changed, 50 insertions(+), 17 deletions(-)

(limited to 'bin')

diff --git a/bin/capture+encode+serve b/bin/capture+encode+serve
index e87310f..29688f1 100755
--- a/bin/capture+encode+serve
+++ b/bin/capture+encode+serve
@@ -47,18 +47,44 @@ my $HEIGHT    = 240;
 my $FRAMERATE = 25;
 my $AUDIORATE = 48000;
 
-my $SPEED_VPX  = 15;
-my $SPEED_X264 = 'ultrafast';
-
-my $VBITRATE;
+# TODO: Vary vpx quality based on height
+my $SPEED_VPX = 15;
 
 # inspired by Apple HLS recommendations
-if    ( $HEIGHT le 234 ) { $VBITRATE = 145000 }
-elsif ( $HEIGHT le 270 ) { $VBITRATE = 365000 }
-elsif ( $HEIGHT le 360 ) { $VBITRATE = 730000 }
-elsif ( $HEIGHT le 432 ) { $VBITRATE = 1100000 }
-elsif ( $HEIGHT le 540 ) { $VBITRATE = 2000000 }
-elsif ( $HEIGHT le 720 ) { $VBITRATE = 3000000 }
+# TODO: Externalize to site-specific configfile
+my ( $VBITRATE, $SPEED_X264, $SPEED_X264_ALONE );
+if ( $HEIGHT le 234 ) {
+	$VBITRATE         = 145000;
+	$SPEED_X264       = 'slow';
+	$SPEED_X264_ALONE = 'fast';
+}
+elsif ( $HEIGHT le 270 ) {
+	$VBITRATE         = 365000;
+	$SPEED_X264       = 'faster';
+	$SPEED_X264_ALONE = 'fast';
+}
+elsif ( $HEIGHT le 360 ) {
+	$VBITRATE         = 730000;
+	$SPEED_X264       = 'faster';
+	$SPEED_X264_ALONE = 'fast';
+}
+elsif ( $HEIGHT le 432 ) {
+	$VBITRATE         = 1100000;
+	$SPEED_X264       = 'veryfast';
+	$SPEED_X264_ALONE = 'fast';
+}
+elsif ( $HEIGHT le 540 ) {
+	$VBITRATE         = 2000000;
+	$SPEED_X264       = 'toofast';
+	$SPEED_X264_ALONE = 'veryfast';
+}
+elsif ( $HEIGHT le 720 ) {
+	$VBITRATE         = 3000000;
+	$SPEED_X264       = 'toofast';
+	$SPEED_X264_ALONE = 'ultrafast';
+}
+unless ($HEIGHTS_WEBM) { $SPEED_X264 = $SPEED_X264_ALONE }
+if ( toofast == $SPEED_X264 ) die "Not enough CPU - reduce size or streams";
 
 my $VCAPS = "video/x-raw,height=$HEIGHT";
 my $ACAPS = "audio/x-raw,rate=$AUDIORATE,channels=2,depth=16";
diff --git a/bin/decode+edit+encode b/bin/decode+edit+encode
index a0eb208..73f4a68 100755
--- a/bin/decode+edit+encode
+++ b/bin/decode+edit+encode
@@ -10,6 +10,7 @@ OUTPUT=../tmp/omni/show0/earth.webm
 
 HEIGHT=360
 
+# TODO: Vary vpx quality based on height
 SPEED_VPX=4
 
 # inspired by Apple HLS recommendations
diff --git a/bin/decode+edit+loop+encode+stream b/bin/decode+edit+loop+encode+stream
index ba70b02..a620eb1 100755
--- a/bin/decode+edit+loop+encode+stream
+++ b/bin/decode+edit+loop+encode+stream
@@ -21,6 +21,7 @@ ITERATIONS=${3-0} # endless by default
 
 HEIGHT=360
 
+# TODO: Vary vpx quality based on height
 SPEED_VPX=15
 
 # inspired by Apple HLS recommendations
diff --git a/bin/encodevideo+loop+stream b/bin/encodevideo+loop+stream
index 94ea765..a8a5f76 100755
--- a/bin/encodevideo+loop+stream
+++ b/bin/encodevideo+loop+stream
@@ -16,6 +16,7 @@ FIRSTPORT=${2:-5002} # even number - next 3 ports used too
 # TODO: resolve this or resize based on it
 HEIGHT=360
 
+# TODO: Vary vpx quality based on height
 SPEED_VPX=15
 
 # inspired by Apple HLS recommendations
diff --git a/bin/loop+encode+stream b/bin/loop+encode+stream
index a4c84be..567ca82 100755
--- a/bin/loop+encode+stream
+++ b/bin/loop+encode+stream
@@ -22,6 +22,7 @@ ABITRATE_OPUS=48000
 # TODO
 HEIGHT=360
 
+# TODO: Vary vpx quality based on height
 SPEED_VPX=15
 
 # inspired by Apple HLS recommendations
diff --git a/bin/stream b/bin/stream
index 71b6713..ac5135f 100755
--- a/bin/stream
+++ b/bin/stream
@@ -88,17 +88,20 @@ HEIGHT=270
 HEIGHTS_WEBM="$HEIGHT"
 HEIGHTS_MPEG="$HEIGHT"
 
+# TODO: Vary vpx quality based on 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;
-elif [ $HEIGHT -le 360 ]; then VBITRATE=730000;
-elif [ $HEIGHT -le 432 ]; then VBITRATE=1100000;
-elif [ $HEIGHT -le 540 ]; then VBITRATE=2000000;
-elif [ $HEIGHT -le 720 ]; then VBITRATE=3000000;
+# TODO: Externalize to site-specific configfile
+  if [ $HEIGHT -le 234 ]; then VBITRATE=145000; SPEED_X264=slow; SPEED_X264_ALONE=fast;
+elif [ $HEIGHT -le 270 ]; then VBITRATE=365000; SPEED_X264=faster; SPEED_X264_ALONE=fast;
+elif [ $HEIGHT -le 360 ]; then VBITRATE=730000; SPEED_X264=faster; SPEED_X264_ALONE=fast;
+elif [ $HEIGHT -le 432 ]; then VBITRATE=1100000; SPEED_X264=veryfast; SPEED_X264_ALONE=fast;
+elif [ $HEIGHT -le 540 ]; then VBITRATE=2000000; SPEED_X264=toofast; SPEED_X264_ALONE=veryfast;
+elif [ $HEIGHT -le 720 ]; then VBITRATE=3000000; SPEED_X264=toofast; SPEED_X264_ALONE=ultrafast;
 fi
+[ -n "$HEIGHTS_WEBM" ] || SPEED_X264="$SPEED_X264_ALONE"
+[ toofast != "$SPEED_X264" ] || exit1 "Not enough CPU - reduce size or streams"
 
 # shellcheck disable=SC2048,SC2059
 echo_n() {
-- 
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