fix regression when using producer 'consumer' with decklink

This feature now requires one to set the preview property on this
producer to support special preview mode when the speed is 0.

diff --git a/src/modules/decklink/producer_decklink.cpp b/src/modules/decklink/producer_decklink.cpp
index be3406683401e6849496b20f794279708f458f38..ea00f9452541365f4218fa9fffea9b09bbe7401b 100644 (file)
--- a/src/modules/decklink/producer_decklink.cpp
+++ b/src/modules/decklink/producer_decklink.cpp
@@ -357,7 +357,8 @@ public:
                        IDeckLinkVideoInputFrame* video,
                        IDeckLinkAudioInputPacket* audio )
        {
-               if ( mlt_producer_get_speed( getProducer() ) == 0.0 && !mlt_deque_count( m_queue ))
+               if ( mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( getProducer() ), "preview" ) &&
+                       mlt_producer_get_speed( getProducer() ) == 0.0 && !mlt_deque_count( m_queue ))
                {
                        pthread_cond_broadcast( &m_condition );
                        return S_OK;

diff --git a/src/modules/decklink/producer_decklink.yml b/src/modules/decklink/producer_decklink.yml
index 3d60725eb95a856dceb2ca9128512a1e90ed7227..bc8fa63de9afb49434ad0ed5f2b329fd261bfec8 100644 (file)
--- a/src/modules/decklink/producer_decklink.yml
+++ b/src/modules/decklink/producer_decklink.yml
@@ -75,3 +75,12 @@ parameters:
     default: 0
     unit: lines
     widget: spinner
+
+  - identifier: preview
+    title: Enable preview
+    description: Support preview monitoring when paused (speed = 0).
+    type: integer
+    minimum: 0
+    maximum: 1
+    default: 0
+    widget: checkbox