From 2a3092f9953c959548ae992e12f5407bbfaef4fa Mon Sep 17 00:00:00 2001
From: Alex Converse <aconverse@google.com>
Date: Fri, 16 May 2014 18:49:04 -0700
Subject: [PATCH] Exit with error when vpxenc cannot correctly scale the input.

Change-Id: I4713406b751da06c41962f444f8873accc4fa044
---
 vpxenc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vpxenc.c b/vpxenc.c
index 28d43f2..4d96294 100644
--- a/vpxenc.c
+++ b/vpxenc.c
@@ -1264,6 +1264,10 @@ static void encode_frame(struct stream_state *stream,
 
   /* Scale if necessary */
   if (img && (img->d_w != cfg->g_w || img->d_h != cfg->g_h)) {
+    if (img->fmt != VPX_IMG_FMT_I420 && img->fmt != VPX_IMG_FMT_YV12) {
+      fprintf(stderr, "%s can only scale 4:2:0 8bpp inputs\n", exec_name);
+      exit(EXIT_FAILURE);
+    }
     if (!stream->img)
       stream->img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420,
                                   cfg->g_w, cfg->g_h, 16);
-- 
2.7.4