From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 8 Jul 2006 20:23:19 +0000 (+0000)
Subject: put the code which is specific for the large crc table under #ifndef CONFIG_SMALL
X-Git-Tag: v0.5~12455
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a08d38ee82e86bf17090eb65050b823366dde718;p=platform%2Fupstream%2Flibav.git

put the code which is specific for the large crc table under #ifndef CONFIG_SMALL

Originally committed as revision 5676 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavutil/crc.c b/libavutil/crc.c
index 430d8f594..13be2020d 100644
--- a/libavutil/crc.c
+++ b/libavutil/crc.c
@@ -33,10 +33,12 @@ int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size){
         }
     }
     ctx[256]=1;
+#ifndef CONFIG_SMALL
     if(ctx_size >= sizeof(AVCRC)*1024)
         for (i = 0; i < 256; i++)
             for(j=0; j<3; j++)
                 ctx[256*(j+1) + i]= (ctx[256*j + i]>>8) ^ ctx[ ctx[256*j + i]&0xFF ];
+#endif
 
     return 0;
 }
@@ -44,6 +46,7 @@ int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size){
 uint32_t av_crc(const AVCRC *ctx, uint32_t crc, const uint8_t *buffer, size_t length){
     const uint8_t *end= buffer+length;
 
+#ifndef CONFIG_SMALL
     if(!ctx[256])
         while(buffer<end-3){
             crc ^= le2me_32(*(uint32_t*)buffer); buffer+=4;
@@ -52,6 +55,7 @@ uint32_t av_crc(const AVCRC *ctx, uint32_t crc, const uint8_t *buffer, size_t le
                   ^ctx[1*256 + ((crc>>16)&0xFF)]
                   ^ctx[0*256 + ((crc>>24)     )];
         }
+#endif
     while(buffer<end)
         crc = ctx[((uint8_t)crc) ^ *buffer++] ^ (crc >> 8);