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-rw-r--r--libs/ardour/mtc_slave.cc38
1 files changed, 35 insertions, 3 deletions
diff --git a/libs/ardour/mtc_slave.cc b/libs/ardour/mtc_slave.cc
index 0caa86196a..a86a3e9014 100644
--- a/libs/ardour/mtc_slave.cc
+++ b/libs/ardour/mtc_slave.cc
@@ -15,7 +15,6 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <errno.h>
@@ -42,6 +41,8 @@ using namespace PBD;
MTC_Slave::MTC_Slave (Session& s, MIDI::Port& p)
: session (s)
{
+ can_notify_on_unknown_rate = true;
+
rebind (p);
reset ();
}
@@ -94,8 +95,39 @@ MTC_Slave::update_mtc_time (const byte *msg, bool was_full)
smpte.minutes = msg[2];
smpte.seconds = msg[1];
smpte.frames = msg[0];
-
- session.smpte_to_sample( smpte, mtc_frame, true, false );
+
+ switch (msg[4]) {
+ case MTC_24_FPS:
+ smpte.rate = 24;
+ smpte.drop = false;
+ can_notify_on_unknown_rate = true;
+ break;
+ case MTC_25_FPS:
+ smpte.rate = 25;
+ smpte.drop = false;
+ can_notify_on_unknown_rate = true;
+ break;
+ case MTC_30_FPS_DROP:
+ smpte.rate = 30;
+ smpte.drop = true;
+ can_notify_on_unknown_rate = true;
+ break;
+ case MTC_30_FPS:
+ smpte.rate = 30;
+ smpte.drop = false;
+ can_notify_on_unknown_rate = true;
+ break;
+ default:
+ /* throttle error messages about unknown MTC rates */
+ if (can_notify_on_unknown_rate) {
+ error << _("Unknown rate/drop value in incoming MTC stream, session values used instead") << endmsg;
+ can_notify_on_unknown_rate = false;
+ }
+ smpte.rate = session.smpte_frames_per_second();
+ smpte.drop = session.smpte_drop_frames();
+ }
+
+ session.smpte_to_sample (smpte, mtc_frame, true, false);
if (was_full) {