diff options
Diffstat (limited to 'plugins/dumb/dumb-kode54/src/helpers/sampbuf.c')
| -rw-r--r-- | plugins/dumb/dumb-kode54/src/helpers/sampbuf.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/plugins/dumb/dumb-kode54/src/helpers/sampbuf.c b/plugins/dumb/dumb-kode54/src/helpers/sampbuf.c new file mode 100644 index 00000000..488db449 --- /dev/null +++ b/plugins/dumb/dumb-kode54/src/helpers/sampbuf.c @@ -0,0 +1,64 @@ +/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * sampbuf.c - Helper for allocating sample / / \ \
+ * buffers. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <stdlib.h>
+#include "dumb.h"
+
+
+
+/* DEPRECATED */
+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;
+}
+
+
+
+sample_t **allocate_sample_buffer(int n_channels, long length)
+{
+ int i;
+ sample_t **samples = malloc(((n_channels + 1) >> 1) * 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 + 1) >> 1; i++) samples[i] = samples[i-1] + length*2;
+ return samples;
+}
+
+
+
+void destroy_sample_buffer(sample_t **samples)
+{
+ if (samples) {
+ free(samples[0]);
+ free(samples);
+ }
+}
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