[FFmpeg-cvslog] ptx: fix inverted check for sufficient data

[Janne Grunau]

ffmpeg | branch: master | Janne Grunau <janne-libav at jannau.net> | Sat Dec 10 16:57:32 2011 +0100| [8d61eef917f736ebd4bc23c36d1b0cb3934e7dd6] | committer: Janne Grunau

ptx: fix inverted check for sufficient data

Fix regression introduced in 2b53e69.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d61eef917f736ebd4bc23c36d1b0cb3934e7dd6
---

 libavcodec/ptx.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/ptx.c b/libavcodec/ptx.c
index 75b42d5..fd4933c 100644
--- a/libavcodec/ptx.c
+++ b/libavcodec/ptx.c
@@ -84,7 +84,7 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     ptr    = p->data[0];
     stride = p->linesize[0];
 
-    for (y = 0; y < h && buf_end - buf < w * bytes_per_pixel; y++) {
+    for (y = 0; y < h && buf_end - buf >= w * bytes_per_pixel; y++) {
 #if HAVE_BIGENDIAN
         unsigned int x;
         for (x=0; x<w*bytes_per_pixel; x+=bytes_per_pixel)