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-rw-r--r--src/channel.c83
1 files changed, 3 insertions, 80 deletions
diff --git a/src/channel.c b/src/channel.c
index 169b245..fd6741b 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -1,85 +1,8 @@
#include <stdlib.h>
#include <string.h>
-#include "mutex.h"
+#include <plibsys.h>
#include "channel.h"
-void mossrose_channel_init(struct mossrose_channel_t *chan)
-{
- mossrose_mutex_init(&(chan->mutex));
- chan->left = NULL;
- chan->right = NULL;
- chan->n_samples = 0;
- chan->pos = 0;
-}
-
-
-int mossrose_channel_set(struct mossrose_channel_t *chan, float *left, float *right, size_t len, int force)
-{
- int result = 0;
- mossrose_mutex_lock(&(chan->mutex));
- if (chan->n_samples != 0 && !force) {
- /* channel is still playing! */
- result = 1; goto unlock;
- }
-
- chan->n_samples = len;
- chan->pos = 0;
-
- /* left channel */
- if (chan->left != NULL) free(chan->left);
- if (left == NULL)
- chan->left = NULL;
- else {
- chan->left = malloc(len * sizeof(float));
- if (chan->left == NULL) { result = 2; goto unlock; }
- memcpy(chan->left, left, len * sizeof(float));
- }
-
- /* right channel */
- if (chan->right != NULL) free(chan->right);
- if (right == NULL)
- chan->right = NULL;
- else {
- chan->right = malloc(len * sizeof(float));
- if (chan->right == NULL) { result = 3; goto unlock; }
- memcpy(chan->right, right, len * sizeof(float));
- }
-
- unlock:
- mossrose_mutex_unlock(&(chan->mutex));
- return result;
-}
-
-
-void mossrose_channel_reset(struct mossrose_channel_t *chan)
-{
- chan->n_samples = 0;
- chan->pos = 0;
-}
-
-
-int mossrose_channel_advance(float *left, float *right, struct mossrose_channel_t *chan)
-{
- if (chan->pos >= chan->n_samples) return 1;
- if (chan->left != NULL)
- *left = chan->left[chan->pos];
- else
- *left = 0;
- if (chan->right != NULL)
- *right = chan->right[chan->pos];
- else
- *right = 0;
- chan->pos += 1;
- return 0;
-}
-
-
-void mossrose_channel_destroy(struct mossrose_channel_t *chan)
-{
- mossrose_mutex_destroy(&(chan->mutex));
- if (chan->left != NULL) free(chan->left);
- if (chan->right != NULL) free(chan->right);
-}
-
-
+struct channel_t {
+};