From fe45b496464a77b2ae4d6cf4a3c46ce5444e4368 Mon Sep 17 00:00:00 2001
From: SAPikachu <sapikachu@gmail.com>
Date: Sun, 25 Dec 2011 15:27:55 +0000
Subject: [PATCH] AviSynth 16bit hack

---
 input/avs.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/input/avs.c b/input/avs.c
index 62f006e4f..cba2bd510 100644
--- a/input/avs.c
+++ b/input/avs.c
@@ -314,6 +314,14 @@ static int open_file( char *psz_filename, hnd_t *p_handle, video_info_t *info, c
         info->csp = X264_CSP_NONE;
     info->vfr = 0;
 
+    if( opt->bit_depth > 8 )
+    {
+        FAIL_IF_ERROR( info->width & 3, "avisynth 16bit hack requires that width is at least mod4\n" )
+        x264_cli_log( "avs", X264_LOG_INFO, "avisynth 16bit hack enabled\n" );
+        info->csp |= X264_CSP_HIGH_DEPTH;
+        info->width >>= 1;
+    }
+
     *p_handle = h;
     return 0;
 }