Hi,
if input signal to decklink board is differ from specified at board
initialization or changed later, decklink could inform it by
VideoInputFormatChanged callback. but it still does not give a proper
frame at VideoInputFrameArrived
provided patch stop/start decklink board with updated profile.
--
________________________________________
Maksym Veremeyenko
>From a2a7c254df003a7082d395626dac904a647cd326 Mon Sep 17 00:00:00 2001
From: Maksym Veremeyenko <ve...@m1.tv>
Date: Wed, 3 Sep 2014 19:11:50 +0300
Subject: [PATCH] restart decklink if input signal changed mode
---
src/modules/decklink/producer_decklink.cpp | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/modules/decklink/producer_decklink.cpp b/src/modules/decklink/producer_decklink.cpp
index 04510f4..e194b38 100644
--- a/src/modules/decklink/producer_decklink.cpp
+++ b/src/modules/decklink/producer_decklink.cpp
@@ -79,6 +79,7 @@ private:
}
public:
+ mlt_profile m_new_input;
void setProducer( mlt_producer producer )
{ m_producer = producer; }
@@ -91,6 +92,7 @@ public:
m_producer = NULL;
m_decklink = NULL;
m_decklinkInput = NULL;
+ m_new_input = NULL;
}
virtual ~DeckLinkProducer()
@@ -606,6 +608,7 @@ public:
( mode->GetFlags() & bmdDisplayModeColorspaceRec709 ) ? 709 : 601;
mlt_log_verbose( getProducer(), "colorspace changed %d\n", profile->colorspace );
}
+ m_new_input = profile;
return S_OK;
}
};
@@ -627,6 +630,13 @@ static int get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
mlt_position end = mlt_producer_get_playtime( producer );
end = ( mlt_producer_get_length( producer ) < end ? mlt_producer_get_length( producer ) : end ) - 1;
+ if ( decklink && decklink->m_new_input )
+ {
+ decklink->m_new_input = NULL;
+ decklink->stop();
+ decklink->start( decklink->m_new_input );
+ }
+
// Re-open if needed
if ( !decklink && pos < end )
{
--
1.7.7.6
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