From dd87c833743e8067372b810a97799ababbc9bcfc Mon Sep 17 00:00:00 2001
From: jstebbins <jstebbins@b64f7644-9d1e-0410-96f1-a4d463321fa5>
Date: Wed, 14 Apr 2010 16:47:02 +0000
Subject: [PATCH] patch to allow higher bitrates with faac

2 channel allows up to 320kbps, 6 channel allows up to 768kbps


git-svn-id: svn://localhost/HandBrake/trunk@3222 b64f7644-9d1e-0410-96f1-a4d463321fa5
---
 contrib/faac/A00-bitrates.patch | 60 +++++++++++++++++++++++++++++++++++++++++
 gtk/src/audiohandler.c          |  4 +--
 gtk/src/hb-backend.c            | 11 +++++---
 3 files changed, 70 insertions(+), 5 deletions(-)
 create mode 100644 contrib/faac/A00-bitrates.patch

diff --git a/contrib/faac/A00-bitrates.patch b/contrib/faac/A00-bitrates.patch
new file mode 100644
index 00000000..50b11ec7
--- /dev/null
+++ b/contrib/faac/A00-bitrates.patch
@@ -0,0 +1,60 @@
+diff -Naur faac-1.28/libfaac/frame.c ../build.debug/contrib/faac/faac-1.28/libfaac/frame.c
+--- faac-1.28.orig/libfaac/frame.c	2004-11-17 06:26:06.000000000 -0800
++++ faac-1.28/libfaac/frame.c	2010-04-10 12:26:28.200614437 -0700
+@@ -196,6 +196,8 @@
+ 			{47000, 10000},
+ 			{64000, 16000},
+ 			{76000, 20000},
++			{128000, 22000},
++			{160000, 22000},
+ #endif
+ 			{0, 0}
+ 		};
+@@ -242,8 +244,6 @@
+ 		config->bitRate = tmpbitRate * hEncoder->sampleRate / 44100;
+ #endif
+ 
+-		if (config->bandWidth > bwbase)
+-		  config->bandWidth = bwbase;
+ 	}
+ 
+     hEncoder->config.bitRate = config->bitRate;
+@@ -251,6 +251,7 @@
+     if (!config->bandWidth)
+     {
+         config->bandWidth = (config->quantqual - 100) * bwmult + bwbase;
++        config->bandWidth *= (double)hEncoder->sampleRate / 44100;
+     }
+ 
+     hEncoder->config.bandWidth = config->bandWidth;
+@@ -261,8 +262,8 @@
+     if (hEncoder->config.bandWidth > (hEncoder->sampleRate / 2))
+ 		hEncoder->config.bandWidth = hEncoder->sampleRate / 2;
+ 
+-    if (config->quantqual > 500)
+-		config->quantqual = 500;
++    if (config->quantqual > 700)
++		config->quantqual = 700;
+     if (config->quantqual < 10)
+ 		config->quantqual = 10;
+ 
+@@ -328,8 +329,6 @@
+     hEncoder->config.useTns = 0;
+     hEncoder->config.bitRate = 0; /* default bitrate / channel */
+     hEncoder->config.bandWidth = bwfac * hEncoder->sampleRate;
+-    if (hEncoder->config.bandWidth > bwbase)
+-		hEncoder->config.bandWidth = bwbase;
+     hEncoder->config.quantqual = 100;
+     hEncoder->config.psymodellist = (psymodellist_t *)psymodellist;
+     hEncoder->config.psymodelidx = 0;
+@@ -888,8 +887,8 @@
+ 		if (((diff > 0) && (fix > 0.0)) || ((diff < 0) && (fix < 0.0)))
+ 		{
+ 			hEncoder->aacquantCfg.quality *= (1.0 - fix);
+-			if (hEncoder->aacquantCfg.quality > 300)
+-				hEncoder->aacquantCfg.quality = 300;
++			if (hEncoder->aacquantCfg.quality > 700)
++				hEncoder->aacquantCfg.quality = 700;
+             if (hEncoder->aacquantCfg.quality < 50)
+                 hEncoder->aacquantCfg.quality = 50;
+ 		}
diff --git a/gtk/src/audiohandler.c b/gtk/src/audiohandler.c
index f8804e56..5895a83c 100644
--- a/gtk/src/audiohandler.c
+++ b/gtk/src/audiohandler.c
@@ -79,12 +79,12 @@ ghb_adjust_audio_rate_combos(signal_user_data_t *ud)
 	}
 	else if (acodec == HB_ACODEC_FAAC)
 	{
-		gint br, last = 160, first = 0;
+		gint br, last = 320, first = 0;
 
 		if (mix == HB_AMIXDOWN_6CH)
 		{
 			first = 192;
-			last = 448;
+			last = 768;
 		}
 
 		widget = GHB_WIDGET(ud->builder, "AudioBitrate");
diff --git a/gtk/src/hb-backend.c b/gtk/src/hb-backend.c
index 78fab8cb..abe02b8e 100644
--- a/gtk/src/hb-backend.c
+++ b/gtk/src/hb-backend.c
@@ -948,7 +948,7 @@ ghb_find_closest_audio_bitrate(gint codec, gint rate)
 	gint result;
 
 	if (codec == HB_ACODEC_FAAC)
-		high = 160;
+		high = 320;
 
 	result = high;
 	for (ii = 0; ii < hb_audio_bitrates_count; ii++)
@@ -1421,7 +1421,12 @@ ghb_get_best_audio_bitrate(gint acodec, gint br, gint channels)
 {
 	if (acodec & HB_ACODEC_FAAC)
 	{
-    	int maxbr = channels * 80;
+		int maxbr;
+
+		if (channels == 2)
+			maxbr = 320;
+		else
+			maxbr = 768;
 		if (br > maxbr)
 			br = maxbr;
 	}
@@ -2091,7 +2096,7 @@ ghb_find_audio_track(
 	gint count = 0;
 	gint track = -1;
 	gint max_chan = 0;
-	gboolean *used;
+	gboolean *used = NULL;
 	gboolean *passthru_used;
 	gint try_acodec;
 	gint passthru_acodec;
-- 
2.11.0