check if threads_count is too large

Originally committed as revision 2798 to svn://svn.ffmpeg.org/ffmpeg/trunk

check if threads_count is too large
Originally committed as revision 2798 to svn://svn.ffmpeg.org/ffmpeg/trunk
fbf2284c · Michael Niedermayer · 1e31d32c · fbf2284c
Commit fbf2284c authored Feb 18, 2004 by Michael Niedermayer
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mpegvideo.c libavcodec/mpegvideo.c +5 -0

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--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -886,6 +886,11 @@ int MPV_encode_init(AVCodecContext *avctx)
        return -1;
    }
    
+    if(s->avctx->thread_count > MAX_THREADS || 16*s->avctx->thread_count > s->height){
+        av_log(avctx, AV_LOG_ERROR, "too many threads\n");
+        return -1;
+    }
+    
    if(s->avctx->thread_count > 1)
        s->rtp_mode= 1;