From 8e878f219d7485bfc0dba17c59960788d0df9115 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Fri, 5 May 2017 13:42:07 +0200
Subject: Prepare for multiple heights.

---
 bin/stream | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

(limited to 'bin')

diff --git a/bin/stream b/bin/stream
index 38902d2..452f47e 100755
--- a/bin/stream
+++ b/bin/stream
@@ -77,8 +77,11 @@ ABITRATE=32000
 HEIGHT=360
 VBITRATE=256000
 
-MKWEBM='[webm]'
-MKMPEG='[mpeg]'
+# FIXME: support multiple heights
+HEIGHTCOUNT=1
+height=$HEIGHT
+MKWEBM="[v${height}webm]"
+MKMPEG="[v${height}mpeg]"
 
 [ -z "$MKWEBM" ] || VCODECCOUNT=$((VCODECCOUNT+1))
 [ -z "$MKMPEG" ] || VCODECCOUNT=$((VCODECCOUNT+1))
@@ -99,16 +102,17 @@ ffmpeg -hide_banner -threads auto -re \
  ${VFILE:+-i "$VFILE"} \
  ${LOGO:+-i "$LOGO"} \
  ${HASVIDEO:+-filter_complex \
- "[$VSTREAMINDEX:v]scale=-2:$HEIGHT${WATERMARK:-[v]}${WATERMARK:+[bg]${LOGO:+;
-  [bg][$((VSTREAMINDEX+1)):v]overlay=main_w-overlay_w-20:main_h-overlay_h-20[v]}};
-  [v]split=$VCODECCOUNT$MKWEBM$MKMPEG" } \
+ "[$VSTREAMINDEX:v]split=$HEIGHTCOUNT[s$height];
+  [s$height]scale=-2:$height${WATERMARK:-[v$height]}${WATERMARK:+[bg$height]${LOGO:+;
+  [bg$height][$((VSTREAMINDEX+1)):v]overlay=main_w-overlay_w-20:main_h-overlay_h-20[v$height]}};
+  [v$height]split=$VCODECCOUNT$MKWEBM$MKMPEG" } \
  ${SAVEDIR:+-map '0:' ${TWOSOURCES:+-map '1:'} \
  -codec copy \
  -f segment -segment_format matroska -segment_format_options live=1:reserve_index_space=512kB \
  -segment_list "$SAVESTEM.ffconcat" -segment_list_flags live \
  -segment_time 600 -segment_atclocktime 1 -strftime 1 "$SAVESTEM-%H%M.mkv"} \
  ${MKWEBM:+\
- ${HASAUDIO:+-map '0:a' } ${HASVIDEO:+-map '[webm]' } \
+ ${HASAUDIO:+-map '0:a' } ${HASVIDEO:+-map "[v${height}webm]" } \
  ${HASAUDIO:+\
  -codec:a libopus -ac "$ACHANNELS" -ar "$AFRAMERATE" -b:a "$ABITRATE" } \
  ${HASVIDEO:+\
@@ -122,7 +126,7 @@ ffmpeg -hide_banner -threads auto -re \
  "${HASAUDIO:+[select=\'a\':f=rtp:payload_type=111]rtp://$IP:$FIRSTPORT?pkt_size=1200| \
   }${HASVIDEO:+[select=\'v\':f=rtp:payload_type=100]rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200}" } \
  ${MKMPEG:+\
- ${HASAUDIO:+-map '0:a' } ${HASVIDEO:+-map '[mpeg]' } \
+ ${HASAUDIO:+-map '0:a' } ${HASVIDEO:+-map "[v${height}mpeg]" } \
  ${HASAUDIO:+\
  -codec:a aac -strict experimental -ac "$ACHANNELS" -ar 44100 -b:a $((ACHANNELS*64))k } \
  ${HASVIDEO:+\
-- 
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