SND_MIXER_SCHN_SIDE_RIGHT
};
-PUBLIC unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
+static struct dev_ctx_alsa **dev_ctx_a = NULL;
+
+
+unsigned char _alsa_init (const char *name, audioCtxHandleT *ctx) {
snd_pcm_t *dev;
snd_pcm_hw_params_t *params;
/* allocate the global array if it hasn't been done */
if (!dev_ctx_a) {
- dev_ctx_a = (dev_ctx_alsa_T**) malloc (sizeof(dev_ctx_alsa_T));
+ dev_ctx_a = (dev_ctx_alsa_T**) malloc (sizeof(dev_ctx_alsa_T*));
dev_ctx_a[0] = (dev_ctx_alsa_T*) malloc (sizeof(dev_ctx_alsa_T));
dev_ctx_a[0]->name = NULL;
dev_ctx_a[0]->dev = NULL;
}
/* is a card with similar name already opened ? */
- for (num = 0; num < (sizeof(dev_ctx_a)/sizeof(dev_ctx_alsa_T)); num++) {
+ for (num = 0; num < (sizeof(dev_ctx_a)/sizeof(dev_ctx_alsa_T*)); num++) {
if (dev_ctx_a[num]->name &&
!strcmp (dev_ctx_a[num]->name, name))
return 0;
num++;
/* it's not... let us add it to the global array */
- dev_ctx_a = (dev_ctx_alsa_T**) realloc (dev_ctx_a, (num+1)*sizeof(dev_ctx_alsa_T));
+ dev_ctx_a = (dev_ctx_alsa_T**) realloc (dev_ctx_a, (num+1)*sizeof(dev_ctx_alsa_T*));
dev_ctx_a[num] = (dev_ctx_alsa_T*) malloc (sizeof(dev_ctx_alsa_T));
dev_ctx_a[num]->name = strdup (name);
dev_ctx_a[num]->dev = dev;
ctx->idx = num;
ctx->name = strdup (name);
- if (verbose) fprintf (stderr, "Successfully initialized ALSA backend.\n");
+ fprintf (stderr, "Successfully initialized ALSA backend.\n");
return 1;
}
-PUBLIC void _alsa_free (const char *name) {
+void _alsa_free (const char *name) {
int num;
- for (num = 0; num < (sizeof(dev_ctx_a)/sizeof(dev_ctx_alsa_T)); num++) {
+ for (num = 0; num < (sizeof(dev_ctx_a)/sizeof(dev_ctx_alsa_T*)); num++) {
if (dev_ctx_a[num]->name &&
!strcmp (dev_ctx_a[num]->name, name)) {
snd_pcm_close (dev_ctx_a[num]->dev);
}
}
-PUBLIC void _alsa_play (int num) {
+void _alsa_play (int num) {
if (!dev_ctx_a || !dev_ctx_a[num] || dev_ctx_a[num]->thr_should_run ||
access (AUDIO_BUFFER, F_OK) == -1)
pthread_create (&dev_ctx_a[num]->thr, NULL, _alsa_play_thread_fn, (void*)dev_ctx_a[num]);
}
-PUBLIC void _alsa_stop (int num) {
+void _alsa_stop (int num) {
if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->thr_should_run)
return;
pthread_join (dev_ctx_a[num]->thr, NULL);
}
-PUBLIC unsigned int _alsa_get_volume (int num, unsigned int channel) {
+unsigned int _alsa_get_volume (int num, unsigned int channel) {
if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm)
return 0;
snd_mixer_selem_get_playback_volume (dev_ctx_a[num]->mixer_elm, SCHANNELS[channel], &dev_ctx_a[num]->vol);
- return (int)(dev_ctx_a[num]->vol*100)/dev_ctx_a[num]->vol_max;
+ return (unsigned int)(dev_ctx_a[num]->vol*100)/dev_ctx_a[num]->vol_max;
}
-PUBLIC void _alsa_set_volume (int num, unsigned int channel, unsigned int vol) {
+void _alsa_set_volume (int num, unsigned int channel, unsigned int vol) {
if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm ||
vol > 100)
return;
snd_mixer_selem_set_playback_volume (dev_ctx_a[num]->mixer_elm, SCHANNELS[channel], (vol*dev_ctx_a[num]->vol_max)/100);
-
}
-PUBLIC void _alsa_set_volume_all (int num, unsigned int vol) {
+void _alsa_set_volume_all (int num, unsigned int vol) {
if (!dev_ctx_a || !dev_ctx_a[num] || !dev_ctx_a[num]->mixer_elm ||
vol > 100)
snd_mixer_selem_set_playback_volume_all (dev_ctx_a[num]->mixer_elm, (vol*dev_ctx_a[num]->vol_max)/100);
}
-PUBLIC unsigned char _alsa_get_mute (int num) {
+unsigned char _alsa_get_mute (int num) {
int mute = 0;
snd_mixer_elem_t *elm_m;
return (unsigned char)!mute;
}
-PUBLIC void _alsa_set_mute (int num, unsigned char tomute) {
+void _alsa_set_mute (int num, unsigned char tomute) {
snd_mixer_elem_t *elm_m;
int mute;
snd_mixer_selem_set_playback_switch_all (elm_m, !mute);
}
-PUBLIC void _alsa_set_rate (int num, unsigned int rate) {
+void _alsa_set_rate (int num, unsigned int rate) {
if (!dev_ctx_a || !dev_ctx_a[num])
return;
snd_pcm_hw_params_set_rate_near (dev_ctx_a[num]->dev, dev_ctx_a[num]->params, &rate, 0);
}
-PUBLIC void _alsa_set_channels (int num, unsigned int channels) {
+void _alsa_set_channels (int num, unsigned int channels) {
if (!dev_ctx_a || !dev_ctx_a[num])
return;
/* ---- LOCAL THREADED FUNCTIONS ---- */
-STATIC void* _alsa_play_thread_fn (void *ctx) {
+void* _alsa_play_thread_fn (void *ctx) {
dev_ctx_alsa_T *dev_ctx_a = (dev_ctx_alsa_T *)ctx;
FILE *file = NULL;