ffmpeg | branch: release/2.4 | Michael Niedermayer <michae...@gmx.at> | Sat Mar 
21 12:54:16 2015 +0100| [2049d95f2feec2d7306429867f9ae388de839dbf] | committer: 
Michael Niedermayer

avcodec/hevc_ps: Check cropping parameters more correctly

Signed-off-by: Michael Niedermayer <michae...@gmx.at>
(cherry picked from commit 06c70d45373dedc600f28e345685b130b60203c1)

Signed-off-by: Michael Niedermayer <michae...@gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2049d95f2feec2d7306429867f9ae388de839dbf
---

 libavcodec/hevc_ps.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index 3309377..d7e78b1 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -1040,7 +1040,8 @@ int ff_hevc_decode_nal_sps(HEVCContext *s)
                          (sps->output_window.left_offset + 
sps->output_window.right_offset);
     sps->output_height = sps->height -
                          (sps->output_window.top_offset + 
sps->output_window.bottom_offset);
-    if (sps->output_width <= 0 || sps->output_height <= 0) {
+    if (sps->width  <= sps->output_window.left_offset + 
(int64_t)sps->output_window.right_offset  ||
+        sps->height <= sps->output_window.top_offset  + 
(int64_t)sps->output_window.bottom_offset) {
         av_log(s->avctx, AV_LOG_WARNING, "Invalid visible frame dimensions: 
%dx%d.\n",
                sps->output_width, sps->output_height);
         if (s->avctx->err_recognition & AV_EF_EXPLODE) {

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