From 9a53529754c5ce91284aad960928ddfa07ac2e8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
Date: Mon, 20 Jun 2016 16:30:40 +0300
Subject: main/rtmpdump: improve performance by adjusting outbound chunk size

change outbound chunk size to server's chunk size. this improves
performance significantly.

(cherry picked from commit bf39fb1177ee77eee6c214a7393cc0054958ce08)
---
 main/rtmpdump/APKBUILD             | 29 ++++++++++++-----------------
 main/rtmpdump/fix-chunk-size.patch | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 17 deletions(-)
 create mode 100644 main/rtmpdump/fix-chunk-size.patch

diff --git a/main/rtmpdump/APKBUILD b/main/rtmpdump/APKBUILD
index a638c9984d..5a234be32a 100644
--- a/main/rtmpdump/APKBUILD
+++ b/main/rtmpdump/APKBUILD
@@ -3,7 +3,7 @@
 pkgname=rtmpdump
 verbase=2.4
 pkgver=2.4_git20141231
-pkgrel=1
+pkgrel=2
 pkgdesc="A tool to download rtmp:// and rtmpe:// streams"
 url="http://rtmpdump.mplayerhq.hu/"
 arch="all"
@@ -15,26 +15,18 @@ subpackages="$pkgname-dev $pkgname-doc librtmp"
 
 giturl="git://git.ffmpeg.org/rtmpdump"
 disturl="dev.alpinelinux.org:/archive/rtmpdump"
-source="http://dev.alpinelinux.org/archive/rtmpdump/rtmpdump-${pkgver}.tar.gz"
+source="http://dev.alpinelinux.org/archive/rtmpdump/rtmpdump-${pkgver}.tar.gz
+	fix-chunk-size.patch"
 
-_builddir="$srcdir"/$pkgname-$pkgver
-
-prepare() {
-	cd "$_builddir"
-	for i in $source; do
-		case $i in
-		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
-		esac
-	done
-}
+builddir="$srcdir"/$pkgname-$pkgver
 
 build() {
-	cd "$_builddir"
+	cd "$builddir"
 	make || return 1 
 }
 
 package() {
-	cd "$_builddir"
+	cd "$builddir"
 	make -j1 prefix=/usr MANDIR="$pkgdir/usr/share/man" DESTDIR="$pkgdir" install
 
 }
@@ -46,6 +38,9 @@ librtmp() {
 	mv "$pkgdir"/usr/lib "$subpkgdir"/usr/
 }
 
-md5sums="03c4c1fdfff2fc16f89c88097c2a132a  rtmpdump-2.4_git20141231.tar.gz"
-sha256sums="f2c7309a9c58c9da9c310c830c9fcb09f6ed999b074c585b4c127ad9ecba1b39  rtmpdump-2.4_git20141231.tar.gz"
-sha512sums="3029e7e6079b8ae444c60dee3dcabf637570a51d26d5ca546603fa1cf4e3f2c9f2a8e721a14e5710b13bd746ba73004f2ce3d46b3388b52cf5775b522d8b1eb6  rtmpdump-2.4_git20141231.tar.gz"
+md5sums="03c4c1fdfff2fc16f89c88097c2a132a  rtmpdump-2.4_git20141231.tar.gz
+d7111fb8afe34ca52a5697bd91b641d9  fix-chunk-size.patch"
+sha256sums="f2c7309a9c58c9da9c310c830c9fcb09f6ed999b074c585b4c127ad9ecba1b39  rtmpdump-2.4_git20141231.tar.gz
+dbb2dc7f99bfb38c8440d60e11c03986470fef6d73d64767f9414d95812ab38c  fix-chunk-size.patch"
+sha512sums="3029e7e6079b8ae444c60dee3dcabf637570a51d26d5ca546603fa1cf4e3f2c9f2a8e721a14e5710b13bd746ba73004f2ce3d46b3388b52cf5775b522d8b1eb6  rtmpdump-2.4_git20141231.tar.gz
+ddc7d2a67648284eaace4304864c8aabd14b4e2b90124915058b83c6a27a1feeb77fb2c76f77168975631982dc0c6c0eeafdd6a767cd3b1e8b5d771ade072a3c  fix-chunk-size.patch"
diff --git a/main/rtmpdump/fix-chunk-size.patch b/main/rtmpdump/fix-chunk-size.patch
new file mode 100644
index 0000000000..1e138b8e40
--- /dev/null
+++ b/main/rtmpdump/fix-chunk-size.patch
@@ -0,0 +1,33 @@
+diff -ru rtmpdump-2.4_git20141231.orig/librtmp/rtmp.c rtmpdump-2.4_git20141231/librtmp/rtmp.c
+--- rtmpdump-2.4_git20141231.orig/librtmp/rtmp.c	2014-07-07 10:15:59.000000000 +0300
++++ rtmpdump-2.4_git20141231/librtmp/rtmp.c	2016-06-19 21:31:48.898114687 +0300
+@@ -127,7 +127,7 @@
+ 
+ static int HandleInvoke(RTMP *r, const char *body, unsigned int nBodySize);
+ static int HandleMetadata(RTMP *r, char *body, unsigned int len);
+-static void HandleChangeChunkSize(RTMP *r, const RTMPPacket *packet);
++static void HandleChangeChunkSize(RTMP *r, RTMPPacket *packet);
+ static void HandleAudio(RTMP *r, const RTMPPacket *packet);
+ static void HandleVideo(RTMP *r, const RTMPPacket *packet);
+ static void HandleCtrl(RTMP *r, const RTMPPacket *packet);
+@@ -3339,13 +3339,19 @@
+ }
+ 
+ static void
+-HandleChangeChunkSize(RTMP *r, const RTMPPacket *packet)
++HandleChangeChunkSize(RTMP *r, RTMPPacket *packet)
+ {
+   if (packet->m_nBodySize >= 4)
+     {
+       r->m_inChunkSize = AMF_DecodeInt32(packet->m_body);
+       RTMP_Log(RTMP_LOGDEBUG, "%s, received: chunk size change to %d", __FUNCTION__,
+ 	  r->m_inChunkSize);
++      if (r->Link.protocol & RTMP_FEATURE_WRITE)
++        {
++          RTMP_Log(RTMP_LOGDEBUG, "%s, updating outChunkSize too", __FUNCTION__);
++          RTMP_SendPacket(r, packet, FALSE);
++          r->m_outChunkSize = r->m_inChunkSize;
++        }
+     }
+ }
+ 
-- 
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