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avdevice/decklink: warn about too old decklink API version

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2020-10-08 21:31:24 +02:00
parent acaf6c625b
commit a6f6726a81
1 changed files with 22 additions and 1 deletions
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23
libavdevice/decklink_common.cpp
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@@ -70,9 +70,30 @@ static IDeckLinkIterator *decklink_create_iterator(AVFormatContext *avctx)
#else #else
iter = CreateDeckLinkIteratorInstance(); iter = CreateDeckLinkIteratorInstance();
#endif #endif
if (!iter) if (!iter) {
av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator. " av_log(avctx, AV_LOG_ERROR, "Could not create DeckLink iterator. "
"Make sure you have DeckLink drivers " BLACKMAGIC_DECKLINK_API_VERSION_STRING " or newer installed.\n"); "Make sure you have DeckLink drivers " BLACKMAGIC_DECKLINK_API_VERSION_STRING " or newer installed.\n");
} else {
IDeckLinkAPIInformation *api;
int64_t version;
#ifdef _WIN32
if (CoCreateInstance(CLSID_CDeckLinkAPIInformation, NULL, CLSCTX_ALL,
IID_IDeckLinkAPIInformation, (void**) &api) != S_OK) {
api = NULL;
}
#else
api = CreateDeckLinkAPIInformationInstance();
#endif
if (api && api->GetInt(BMDDeckLinkAPIVersion, &version) == S_OK) {
if (version < BLACKMAGIC_DECKLINK_API_VERSION)
av_log(avctx, AV_LOG_WARNING, "Installed DeckLink drivers are too old and may be incompatible with the SDK this module was built against. "
"Make sure you have DeckLink drivers " BLACKMAGIC_DECKLINK_API_VERSION_STRING " or newer installed.\n");
} else {
av_log(avctx, AV_LOG_ERROR, "Failed to check installed DeckLink API version.\n");
}
if (api)
api->Release();
}
return iter; return iter;
} }