From 27be5bc72855a0fbbdae230bc144624c9eb85f5e Mon Sep 17 00:00:00 2001
From: Michiel Van Der Kolk <not.valid@email.address>
Date: Thu, 17 Mar 2005 20:50:03 +0000
Subject: Initial check in dumb 0.9.2 - has a few usages of floating point that
 should be rewritten to fixed point. seems to compile cleanly for iriver.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6197 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs/dumb/src/core/makeduh.c | 92 +++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 apps/codecs/dumb/src/core/makeduh.c

(limited to 'apps/codecs/dumb/src/core/makeduh.c')

diff --git a/apps/codecs/dumb/src/core/makeduh.c b/apps/codecs/dumb/src/core/makeduh.c
new file mode 100644
index 0000000000..1e422fb502
--- /dev/null
+++ b/apps/codecs/dumb/src/core/makeduh.c
@@ -0,0 +1,92 @@
+/*  _______         ____    __         ___    ___
+ * \    _  \       \    /  \  /       \   \  /   /       '   '  '
+ *  |  | \  \       |  |    ||         |   \/   |         .      .
+ *  |  |  |  |      |  |    ||         ||\  /|  |
+ *  |  |  |  |      |  |    ||         || \/ |  |         '  '  '
+ *  |  |  |  |      |  |    ||         ||    |  |         .      .
+ *  |  |_/  /        \  \__//          ||    |  |
+ * /_______/ynamic    \____/niversal  /__\  /____\usic   /|  .  . ibliotheque
+ *                                                      /  \
+ *                                                     / .  \
+ * makeduh.c - Function to construct a DUH from       / / \  \
+ *             its components.                       | <  /   \_
+ *                                                   |  \/ /\   /
+ * By entheh.                                         \_  /  > /
+ *                                                      | \ / /
+ *                                                      |  ' /
+ *                                                       \__/
+ */
+
+#include <stdlib.h>
+
+#include "dumb.h"
+#include "internal/dumb.h"
+
+
+
+static DUH_SIGNAL *make_signal(DUH_SIGTYPE_DESC *desc, sigdata_t *sigdata)
+{
+	DUH_SIGNAL *signal;
+
+	ASSERT((desc->start_sigrenderer && desc->end_sigrenderer) || (!desc->start_sigrenderer && !desc->end_sigrenderer));
+	ASSERT(desc->sigrenderer_get_samples && desc->sigrenderer_get_current_sample);
+
+	signal = malloc(sizeof(*signal));
+
+	if (!signal) {
+		if (desc->unload_sigdata)
+			if (sigdata)
+				(*desc->unload_sigdata)(sigdata);
+		return NULL;
+	}
+
+	signal->desc = desc;
+	signal->sigdata = sigdata;
+
+	return signal;
+}
+
+
+
+DUH *make_duh(long length, int n_signals, DUH_SIGTYPE_DESC *desc[], sigdata_t *sigdata[])
+{
+	DUH *duh = malloc(sizeof(*duh));
+	int i;
+	int fail;
+
+	if (duh) {
+		duh->n_signals = n_signals;
+
+		duh->signal = malloc(n_signals * sizeof(*duh->signal));
+
+		if (!duh->signal) {
+			free(duh);
+			duh = NULL;
+		}
+	}
+
+	if (!duh) {
+		for (i = 0; i < n_signals; i++)
+			if (desc[i]->unload_sigdata)
+				if (sigdata[i])
+					(*desc[i]->unload_sigdata)(sigdata[i]);
+		return NULL;
+	}
+
+	fail = 0;
+
+	for (i = 0; i < n_signals; i++) {
+		duh->signal[i] = make_signal(desc[i], sigdata[i]);
+		if (!duh->signal[i])
+			fail = 1;
+	}
+
+	if (fail) {
+		unload_duh(duh);
+		return NULL;
+	}
+
+	duh->length = length;
+
+	return duh;
+}
-- 
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