79 static unsigned int mszh_decomp(const unsigned char * srcptr, int srclen, unsigned char * destptr, …  in mszh_decomp()  argument
81     unsigned char *destptr_bak = destptr;  in mszh_decomp()
82     unsigned char *destptr_end = destptr + destsize;  in mszh_decomp()
87     while (srcptr < srcptr_end && destptr < destptr_end) {  in mszh_decomp()
89             memcpy(destptr, srcptr, 4);  in mszh_decomp()
90             destptr += 4;  in mszh_decomp()
96             ofs = FFMIN(ofs, destptr - destptr_bak);  in mszh_decomp()
98             cnt = FFMIN(cnt, destptr_end - destptr);  in mszh_decomp()
100                 av_memcpy_backptr(destptr, ofs, cnt);  in mszh_decomp()
104                 memset(destptr, 0, cnt);  in mszh_decomp()
106             destptr += cnt;  in mszh_decomp()
112                 if (destptr_end - destptr < 32 || srcptr_end - srcptr < 32) break;  in mszh_decomp()
113                 memcpy(destptr, srcptr, 32);  in mszh_decomp()
114                 destptr += 32;  in mszh_decomp()
122     return destptr - destptr_bak;  in mszh_decomp()