LTC slave fix fps detection with 29.97000 option

[ardour.git] / libs / ardour / audio_diskstream.cc

diff --git a/libs/ardour/audio_diskstream.cc b/libs/ardour/audio_diskstream.cc
index 8e6b5c27f1af8cfd917d43f10bf246c087b47cb3..2d2d3d252fa343b3ab88db388b17e1fa1c2e9fc3 100644 (file)
--- a/libs/ardour/audio_diskstream.cc
+++ b/libs/ardour/audio_diskstream.cc
@@ -151,7 +151,7 @@ void
 AudioDiskstream::non_realtime_input_change ()
 {
        {
-               Glib::Mutex::Lock lm (state_lock);
+               Glib::Threads::Mutex::Lock lm (state_lock);
 
                if (input_change_pending.type == IOChange::NoChange) {
                        return;
@@ -430,7 +430,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecn
                return 0;
        }
 
-       Glib::Mutex::Lock sm (state_lock, Glib::TRY_LOCK);
+       Glib::Threads::Mutex::Lock sm (state_lock, Glib::Threads::TRY_LOCK);
 
        if (!sm.locked()) {
                return 1;
@@ -578,7 +578,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecn
                /* no varispeed playback if we're recording, because the output .... TBD */
 
                if (rec_nframes == 0 && _actual_speed != 1.0f) {
-                       necessary_samples = (framecnt_t) floor ((nframes * fabs (_actual_speed))) + 1;
+                       necessary_samples = (framecnt_t) ceil ((nframes * fabs (_actual_speed))) + 2;
                } else {
                        necessary_samples = nframes;
                }
@@ -812,7 +812,7 @@ AudioDiskstream::seek (framepos_t frame, bool complete_refill)
        ChannelList::iterator chan;
        boost::shared_ptr<ChannelList> c = channels.reader();
 
-       Glib::Mutex::Lock lm (state_lock);
+       Glib::Threads::Mutex::Lock lm (state_lock);
 
        for (n = 0, chan = c->begin(); chan != c->end(); ++chan, ++n) {
                (*chan)->playback_buf->reset ();
@@ -1379,7 +1379,7 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
        }
 
        /* XXX is there anything we can do if err != 0 ? */
-       Glib::Mutex::Lock lm (capture_info_lock);
+       Glib::Threads::Mutex::Lock lm (capture_info_lock);
 
        if (capture_info.empty()) {
                return;