pod 'TXLiteAVSDK_UGC','~> 6.6.7460'
TXLiteAVSDK_UGC 是上面最新版本
Undefined symbols for architecture x86_64:
"__OBJC_PROTOCOL_$_TXVideoPreviewListener", referenced from:
l_OBJC_CLASS_PROTOCOLS_$_TCVideoPreview in TCVideoPreview.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
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