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

1 files changed, 47 insertions, 0 deletions

diff --git a/apps/codecs/dumb/src/helpers/sampbuf.c b/apps/codecs/dumb/src/helpers/sampbuf.c
new file mode 100644
index 0000000000..75510c729a
--- /dev/null
+++ b/apps/codecs/dumb/src/helpers/sampbuf.c
@@ -0,0 +1,47 @@
+/*  _______         ____    __         ___    ___
+ * \    _  \       \    /  \  /       \   \  /   /       '   '  '
+ *  |  | \  \       |  |    ||         |   \/   |         .      .
+ *  |  |  |  |      |  |    ||         ||\  /|  |
+ *  |  |  |  |      |  |    ||         || \/ |  |         '  '  '
+ *  |  |  |  |      |  |    ||         ||    |  |         .      .
+ *  |  |_/  /        \  \__//          ||    |  |
+ * /_______/ynamic    \____/niversal  /__\  /____\usic   /|  .  . ibliotheque
+ *                                                      /  \
+ *                                                     / .  \
+ * sampbuf.c - Helper for allocating sample           / / \  \
+ *             buffers.                              | <  /   \_
+ *                                                   |  \/ /\   /
+ * By entheh.                                         \_  /  > /
+ *                                                      | \ / /
+ *                                                      |  ' /
+ *                                                       \__/
+ */
+
+#include <stdlib.h>
+#include "dumb.h"
+
+
+
+sample_t **create_sample_buffer(int n_channels, long length)
+{
+        int i;
+        sample_t **samples = malloc(n_channels * sizeof(*samples));
+        if (!samples) return NULL;
+        samples[0] = malloc(n_channels * length * sizeof(*samples[0]));
+        if (!samples[0]) {
+                free(samples);
+                return NULL;
+        }
+        for (i = 1; i < n_channels; i++) samples[i] = samples[i-1] + length;
+        return samples;
+}
+
+
+
+void destroy_sample_buffer(sample_t **samples)
+{
+        if (samples) {
+                free(samples[0]);
+                free(samples);
+        }
+}