scripts: ds2013 encoding parameters

scripts/ds2013-resources.js

@@ -6,8 +6,8 @@ var url = require('url');
 
 var running = 0, queue = [];
 
-var SUFFIXES = ["_hq.mp4", ".mp4", ".webm"];
-var WEB_SUFFIXES = [".mp4", ".webm"];
+var SUFFIXES = ["_hq.mp4", ".mp4", ".webm", ".mp3"];
+var WEB_SUFFIXES = [".mp4", ".webm", ".mp3"];
 
 function resolveSizes(urls, cb) {
     if (running > 0) {
@@ -62,6 +62,7 @@ function resolveSizes(urls, cb) {
 function mimeByExt(url) {
     var ext = url.split('.').pop();
     var type = ({ avi: 'video/avi',
+		  mp3: 'audio/mpeg',
 		  mp4: 'video/mp4',
 		  webm: 'video/webm',
 		  ogv: 'video/ogg',

scripts/encode_gif.sh

@@ -3,5 +3,9 @@
 if=$1
 of=$2
 
-ffmpeg -i "$if" -ss 10 -r 0.002 -b 100k -bt 100M -s 320x180 "$of.%05d.jpg" && \
-convert -delay 50 -loop 0 "$of.?????.jpg" "$of.gif"
+ffmpeg -i "$if"  -r 0.01 -b:v 100k -bt:v 10M   -s 320x180  "$of.%05d.jpg"  && \
+rm -v $of.0000[01234].jpg && \
+convert -delay 50 -loop 0 "$of.?????.jpg" "$of.gif" && \
+mv $of.00005.jpg $of.jpg && \
+rm -v $of.0*.jpg
+

scripts/encode_mp3.sh

@@ -0,0 +1,16 @@
+#!/bin/sh -e
+
+if=$1
+of=$2
+
+# No. CPU cores:
+threads=8
+# Audio bitrate:
+ab=96k
+
+ffmpeg -i "$if" \
+    -f mp3 \
+    -ab $ab \
+    -threads $threads \
+    -y "$of"
+

scripts/encode_mp4.sh

@@ -8,7 +8,7 @@ threads=8
 # Video bitrate:
 vb=400k
 # Audio bitrate:
-ab=64k
+ab=128k
 
 ffmpeg -i "$if" \
     -f mp4 \
@@ -18,7 +18,6 @@ ffmpeg -i "$if" \
     -vcodec libx264 \
     -vpre libx264-ipod640 \
     -b:v $vb \
-    -s 640x360 \
     -passlogfile "$of.ffmpeg2pass" \
     -y "$of"
 

scripts/encode_webm.sh

@@ -9,7 +9,7 @@ threads=8
 # Video bitrate:
 vb=400k
 # Audio bitrate:
-ab=96k
+ab=128k
 
 ffmpeg -i "$if" \
     -threads $threads \
@@ -17,7 +17,6 @@ ffmpeg -i "$if" \
     -an \
     -vcodec libvpx \
     -b:v $vb \
-    -s 640x360 \
     -pass 1 \
     -passlogfile "$of.ffmpeg2pass" \
     -y /dev/null
@@ -28,7 +27,6 @@ ffmpeg -i "$if" \
     -ab $ab \
     -vcodec libvpx \
     -b:v $vb \
-    -s 640x360 \
     -pass 2 \
     -passlogfile "$of.ffmpeg2pass" \
     -y "$of"