[FFmpeg-cvslog] r11872 - trunk/libavcodec/imc.c

[reimar]

Author: reimar
Date: Tue Feb  5 19:39:55 2008
New Revision: 11872

Log:
Check that we have enough input data in IMC decoder.


Modified:
   trunk/libavcodec/imc.c

Modified: trunk/libavcodec/imc.c
==============================================================================
--- trunk/libavcodec/imc.c	(original)
+++ trunk/libavcodec/imc.c	Tue Feb  5 19:39:55 2008
@@ -638,6 +638,10 @@ static int imc_decode_frame(AVCodecConte
     int counter, bitscount;
     uint16_t buf16[IMC_BLOCK_SIZE / 2];
 
+    if (buf_size < IMC_BLOCK_SIZE) {
+        av_log(avctx, AV_LOG_ERROR, "imc frame too small!\n");
+        return -1;
+    }
     for(i = 0; i < IMC_BLOCK_SIZE / 2; i++)
         buf16[i] = bswap_16(((const uint16_t*)buf)[i]);