From: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Date: Fri, 16 Oct 2015 01:44:22 +0000 (-0400)
Subject: swscale/swscale: add av_warn_unused_result to sws_init_context
X-Git-Tag: android-x86-7.1-r1~8476
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=cd8a0a9a9a9ea501367e7f1d17e70cde62e4c746;p=android-x86%2Fexternal-ffmpeg.git

swscale/swscale: add av_warn_unused_result to sws_init_context

This should not trigger any warnings; but adds robustness.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
---

diff --git a/libswscale/swscale.h b/libswscale/swscale.h
index ff3f630ec1..da9dd2ea8f 100644
--- a/libswscale/swscale.h
+++ b/libswscale/swscale.h
@@ -150,6 +150,7 @@ struct SwsContext *sws_alloc_context(void);
  * @return zero or positive value on success, a negative value on
  * error
  */
+av_warn_unused_result
 int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
 
 /**