From 92a544267bc88e8008d35b70a086b683daed0e2b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Sun, 27 Jun 2010 00:37:43 +0000
Subject: [PATCH] vp8: warn and request sample if upscaling specified in header

Originally committed as revision 23809 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/vp8.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index b7c60f9809..f7163f4103 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -399,6 +399,9 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
         buf      += 7;
         buf_size -= 7;
 
+        if (hscale || vscale)
+            av_log_missing_feature(s->avctx, "Upscaling", 1);
+
         s->update_golden = s->update_altref = VP56_FRAME_CURRENT;
         memcpy(s->prob->token    , vp8_token_default_probs , sizeof(s->prob->token));
         memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter, sizeof(s->prob->pred16x16));