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1 files changed, 72 insertions, 0 deletions

diff --git a/source/time/AudioClock.c b/source/time/AudioClock.c
new file mode 100644
index 0000000..022abb2
--- /dev/null
+++ b/source/time/AudioClock.c
@@ -0,0 +1,72 @@
+//
+// AudioClock.c - MrsWatson
+// Created by Nik Reiman on 1/5/12.
+// Copyright (c) 2012 Teragon Audio. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+//   this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+//   this list of conditions and the following disclaimer in the documentation
+//   and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "time/AudioClock.h"
+
+AudioClock audioClockInstance = NULL;
+
+void initAudioClock(void)
+{
+    audioClockInstance = (AudioClock)malloc(sizeof(AudioClockMembers));
+    audioClockInstance->currentFrame = 0;
+    audioClockInstance->transportChanged = false;
+    audioClockInstance->isPlaying = false;
+}
+
+AudioClock getAudioClock(void)
+{
+    return audioClockInstance;
+}
+
+void advanceAudioClock(AudioClock self, const unsigned long blocksize)
+{
+    if (self->currentFrame == 0 || !self->isPlaying) {
+        self->transportChanged = true;
+        self->isPlaying = true;
+    } else {
+        self->transportChanged = false;
+    }
+
+    self->currentFrame += blocksize;
+}
+
+void audioClockStop(AudioClock self)
+{
+    self->isPlaying = false;
+    self->transportChanged = true;
+}
+
+void freeAudioClock(AudioClock self)
+{
+    if (self != NULL) {
+        free(self);
+        self = NULL;
+    }
+}