avcodec/hevc_ps: Check cropping parameters more correctly
authorMichael Niedermayer <michaelni@gmx.at>
Sat, 21 Mar 2015 11:54:16 +0000 (12:54 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Sat, 21 Mar 2015 11:55:03 +0000 (12:55 +0100)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/hevc_ps.c

index 85ce2cc..075a4bd 100644 (file)
@@ -1039,7 +1039,8 @@ 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) {