From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Wed, 8 Feb 2017 21:05:44 +0000 (+0100)
Subject: Default to SMPTE Level A if possible; Level B is uncommon and has problems with at... 
X-Git-Tag: 1.5.0~48
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=5d2b2551353c8dc7946c8e7d1816db86b7e13cc1;p=nageru

Default to SMPTE Level A if possible; Level B is uncommon and has problems with at least my SDI->HDMI converter on 3G-SGI video formats.
---

diff --git a/decklink_output.cpp b/decklink_output.cpp
index 55d29c5..39b2cd0 100644
--- a/decklink_output.cpp
+++ b/decklink_output.cpp
@@ -88,6 +88,11 @@ void DeckLinkOutput::start_output(uint32_t mode, int64_t base_pts)
 		fprintf(stderr, "Failed to set PsF flag for card\n");
 		exit(1);
 	}
+	if (config->SetFlag(bmdDeckLinkConfigSMPTELevelAOutput, true) != S_OK) {
+		// This affects at least some no-name SDI->HDMI converters.
+		// Warn, but don't die.
+		fprintf(stderr, "WARNING: Failed to enable SMTPE Level A; resolutions like 1080p60 might have issues.\n");
+	}
 
 	BMDDisplayModeSupport support;
 	IDeckLinkDisplayMode *display_mode;