avcodec/exr: Check remaining bits in last get code loop

[ffmpeg] / libavcodec / h264idct_template.c

diff --git a/libavcodec/h264idct_template.c b/libavcodec/h264idct_template.c
index 7526bdd812c3a2c40d21c1337ab1cd511947a6eb..5993ae2e6e7dae160037e6855f4b0d94f2d7e6af 100644 (file)
--- a/libavcodec/h264idct_template.c
+++ b/libavcodec/h264idct_template.c
@@ -76,10 +76,10 @@ void FUNCC(ff_h264_idct8_add)(uint8_t *_dst, int16_t *_block, int stride){
 
     for( i = 0; i < 8; i++ )
     {
-        const unsigned int a0 =  block[i+0*8] + block[i+4*8];
-        const unsigned int a2 =  block[i+0*8] - block[i+4*8];
-        const unsigned int a4 = (block[i+2*8]>>1) - block[i+6*8];
-        const unsigned int a6 = (block[i+6*8]>>1) + block[i+2*8];
+        const unsigned int a0 =  block[i+0*8] + (unsigned)block[i+4*8];
+        const unsigned int a2 =  block[i+0*8] - (unsigned)block[i+4*8];
+        const unsigned int a4 = (block[i+2*8]>>1) - (unsigned)block[i+6*8];
+        const unsigned int a6 = (block[i+6*8]>>1) + (unsigned)block[i+2*8];
 
         const unsigned int b0 = a0 + a6;
         const unsigned int b2 = a2 + a4;