libavdevice/bmdenc.c:207:5: error: use of undeclared identifier 'displayMode'
    displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
    ^
libavdevice/bmdenc.c:207:32: error: use of undeclared identifier 'frameRateDuration'
    displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
                               ^
libavdevice/bmdenc.c:207:52: error: use of undeclared identifier 'frameRateScale'
    displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
                                                   ^
libavdevice/bmdenc.c:208:25: error: use of undeclared identifier 'frameRateScale'
    st->time_base.den = frameRateScale;
                        ^
libavdevice/bmdenc.c:209:25: error: use of undeclared identifier 'frameRateDuration'
    st->time_base.num = frameRateDuration;
                        ^
libavdevice/bmdenc.c:282:29: error: no member named 'data_st' in 'BMDCaptureContext'
    pkt.stream_index = ctx->data_st->index;
                       ~~~  ^
libavdevice/bmdenc.c:284:55: error: implicit declaration of function 'av_gettime' is
      invalid in C99 [-Werror,-Wimplicit-function-declaration]
    pkt.size = snprintf(buf, sizeof(buf), "%" PRId64, av_gettime());
                                                      ^
/usr/include/secure/_stdio.h:57:62: note: expanded from macro 'snprintf'
  __builtin___snprintf_chk (str, len, 0, __darwin_obsz(str), __VA_ARGS__)
                                                             ^
libavdevice/bmdenc.c:284:55: warning: format specifies type 'long long' but the
      argument has type 'int' [-Wformat]
    pkt.size = snprintf(buf, sizeof(buf), "%" PRId64, av_gettime());
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/secure/_stdio.h:57:62: note: expanded from macro 'snprintf'
  __builtin___snprintf_chk (str, len, 0, __darwin_obsz(str), __VA_ARGS__)
                                                             ^
libavdevice/bmdenc.c:312:30: warning: incompatible pointer types passing
      'PacketQueue *' (aka 'struct PacketQueue *') to parameter of type
      'BMDCaptureContext *' [-Wincompatible-pointer-types]
        put_wallclock_packet(&ctx->q, &pkt);
                             ^~~~~~~
libavdevice/bmdenc.c:274:52: note: passing argument to parameter 'ctx' here
static int put_wallclock_packet(BMDCaptureContext *ctx, AVPacket *p)
                                                   ^
libavdevice/bmdenc.c:389:53: error: no member named 'wallclock' in ''
    { "wallclock", "Add the wallclock information", O(wallclock),        AV_OPT...
                                                    ^ ~~~~~~~~~
libavdevice/bmdenc.c:381:50: note: expanded from macro 'O'
#define O(x) offsetof(BMDCaptureContext, conf) + offsetof(DecklinkConf, x)
                                                 ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/6.1.0/include/stddef.h:133:24: note:
      expanded from macro 'offsetof'
#define offsetof(t, d) __builtin_offsetof(t, d)