globally change all use of "frame" to refer to audio into "sample".

Generated by tools/f2s. Some hand-editing will be required in a few places to fix up comments related to timecode
and video in order to keep the legible

1 files changed, 74 insertions, 0 deletions

diff --git a/libs/ardour/beats_samples_converter.cc b/libs/ardour/beats_samples_converter.cc
new file mode 100644
index 0000000000..67b13cd05f
--- /dev/null
+++ b/libs/ardour/beats_samples_converter.cc
@@ -0,0 +1,74 @@
+/*
+    Copyright (C) 2009 Paul Davis
+    Author: David Robillard
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id: midiregion.h 733 2006-08-01 17:19:38Z drobilla $
+*/
+
+#include "pbd/stacktrace.h"
+
+#include "ardour/beats_samples_converter.h"
+#include "ardour/tempo.h"
+
+namespace ARDOUR {
+
+/** Takes a positive duration in quarter-note beats and considers it as a distance from the origin
+ *  supplied to the constructor.  Returns the equivalent number of samples,
+ *  taking tempo changes into account.
+ */
+samplepos_t
+BeatsSamplesConverter::to (Evoral::Beats beats) const
+{
+	if (beats < Evoral::Beats()) {
+		std::cerr << "negative beats passed to BFC: " << beats << std::endl;
+		PBD::stacktrace (std::cerr, 30);
+		return 0;
+	}
+	return _tempo_map.samplepos_plus_qn (_origin_b, beats) - _origin_b;
+}
+
+/** Takes a duration in samples and considers it as a distance from the origin
+ *  supplied to the constructor.  Returns the equivalent number of quarter-note beats,
+ *  taking tempo changes into account.
+ */
+Evoral::Beats
+BeatsSamplesConverter::from (samplepos_t samples) const
+{
+	return _tempo_map.framewalk_to_qn (_origin_b, samples);
+}
+
+/** As above, but with quarter-note beats in double instead (for GUI). */
+samplepos_t
+DoubleBeatsSamplesConverter::to (double beats) const
+{
+	if (beats < 0.0) {
+		std::cerr << "negative beats passed to BFC: " << beats << std::endl;
+		PBD::stacktrace (std::cerr, 30);
+		return 0;
+	}
+	return _tempo_map.samplepos_plus_qn (_origin_b, Evoral::Beats(beats)) - _origin_b;
+}
+
+/** As above, but with quarter-note beats in double instead (for GUI). */
+double
+DoubleBeatsSamplesConverter::from (samplepos_t samples) const
+{
+	return _tempo_map.framewalk_to_qn (_origin_b, samples).to_double();
+}
+
+} /* namespace ARDOUR */
+