rockbox/apps/codecs/dumb/src/helpers/sampbuf.c
Michiel Van Der Kolk 27be5bc728 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
2005-03-17 20:50:03 +00:00

47 lines
1.6 KiB
C

/* _______ ____ __ ___ ___
* \ _ \ \ / \ / \ \ / / ' ' '
* | | \ \ | | || | \/ | . .
* | | | | | | || ||\ /| |
* | | | | | | || || \/ | | ' ' '
* | | | | | | || || | | . .
* | |_/ / \ \__// || | |
* /_______/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);
}
}