vs2015 Compile ffmpeg error rtmp.lib (rtmp.obj): "Error LNK2001: unresolved external symbol ___iob_func

vs2015 compile FFmpeg (version 3.0.2) references the external library file librtmp The following error occurred:

Rtmp.lib (rtmp.obj): Error LNK2001: unresolved external symbol __imp__strtod

Rtmp.lib (rtmp.obj): Error LNK2001: unresolved external symbol __imp__sscanf

Rtmp.lib (rtmp.obj): Error LNK2001: unresolved external symbol __imp___snprintf

Rtmp.lib (rtmp.obj): Error LNK2001: unresolved external symbol __imp__rand

Rtmp.lib (rtmp.obj): Error LNK2001: unresolved external symbol __imp___strdup

Rtmp.lib (log.obj): Error LNK2001: unresolved external symbol __imp____iob_func

Rtmp.lib (log.obj): Error LNK2001: unresolved external symbol __imp___vsnprintf

Rtmp.lib (hashswf.obj): Error LNK2001: unresolved external symbol __imp__sprintf

Rtmp.lib (hashswf.obj): Error LNK2001: unresolved external symbol __imp___mktime64

Rtmp.lib (hashswf.obj): Error LNK2001: unresolved external symbol __IMP__MEMCHR

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol _sscanf

Rtmp.lib (v3_utl.obj): Error LNK2001: unresolved external symbol _sscanf

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol [email protected]

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol [email protected]

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol [email protected]

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol [email protected]

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol __vsnprintf

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol _vfprintf

Rtmp.lib (ui_openssl.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (t1_enc.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (pem_lib.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (txt_db.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (d1_enc.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (cryptlib.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (d1_both.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (rsa_sign.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (s3_srvr.obj): Error LNK2001: unresolved external symbol ___iob_func

Rtmp.lib (pqueue.obj): Error LNK2001: unresolved external symbol _printf

Rtmp.lib (dso_win32.obj): Error LNK2001: unresolved external symbol _sprintf

Part of the reason is that the reference library Librtmp contains Lib is not compiled with vs2015, one of the workarounds

vs2012 or earlier to recompile the librtmp, or to recompile all lib with vs2015

Solve the problem.

If you have problems, please add streaming media/ffmpeg/audio and video 127903734.

vs2015 Compile ffmpeg error rtmp.lib (rtmp.obj): "Error LNK2001: unresolved external symbol ___iob_func