decklink: Always use the video stream time for audio too

The audio packet times can be completely unrelated to the video stream
time, depending on the card. While this looks like a bug in the driver,
just always using the video stream time (which is correct) works as a
workaround for now.

diff --git a/sys/decklink/gstdecklink.cpp b/sys/decklink/gstdecklink.cpp
index 2d49bb7..b01c90e 100644 (file)
--- a/sys/decklink/gstdecklink.cpp
+++ b/sys/decklink/gstdecklink.cpp
@@ -768,6 +768,7 @@ public:
     gboolean no_signal = FALSE;
     GstClock *clock = NULL;
     HRESULT res;
+    BMDTimeValue stream_time = GST_CLOCK_TIME_NONE;
 
     g_mutex_lock (&m_input->lock);
     if (m_input->videosrc) {
@@ -806,7 +807,6 @@ public:
     }
 
     if (got_video_frame && videosrc && video_frame) {
-      BMDTimeValue stream_time = GST_CLOCK_TIME_NONE;
       BMDTimeValue stream_duration = GST_CLOCK_TIME_NONE;
       IDeckLinkTimecode *dtc = 0;
 
@@ -839,15 +839,8 @@ public:
     }
 
     if (got_audio_packet && audiosrc && audio_packet) {
-      BMDTimeValue packet_time = GST_CLOCK_TIME_NONE;
-
-      res = audio_packet->GetPacketTime (&packet_time, GST_SECOND);
-      if (res != S_OK) {
-        GST_ERROR ("Failed to get stream time: 0x%08x", res);
-        packet_time = GST_CLOCK_TIME_NONE;
-      }
       m_input->got_audio_packet (audiosrc, audio_packet, capture_time,
-          packet_time, no_signal);
+          stream_time, no_signal);
     } else {
       if (!audio_packet)
         GST_DEBUG ("Received no audio packet at %" GST_TIME_FORMAT,