*/
#define SND_PCM_EXTPLUG_VERSION_MAJOR 1 /**< Protocol major version */
#define SND_PCM_EXTPLUG_VERSION_MINOR 0 /**< Protocol minor version */
-#define SND_PCM_EXTPLUG_VERSION_TINY 1 /**< Protocol tiny version */
+#define SND_PCM_EXTPLUG_VERSION_TINY 2 /**< Protocol tiny version */
/**
* Filter-plugin protocol version
*/
* init; optional initialization called at prepare or reset
*/
int (*init)(snd_pcm_extplug_t *ext);
+ /**
+ * query the channel maps; optional; since v1.0.2
+ */
+ int **(*query_chmaps)(snd_pcm_extplug_t *ext);
+ /**
+ * get the channel map; optional; since v1.0.2
+ */
+ int *(*get_chmap)(snd_pcm_extplug_t *ext);
+ /**
+ * set the channel map; optional; since v1.0.2
+ */
+ int (*set_chmap)(snd_pcm_extplug_t *ext, const int *map);
};
*/
#define SND_PCM_IOPLUG_VERSION_MAJOR 1 /**< Protocol major version */
#define SND_PCM_IOPLUG_VERSION_MINOR 0 /**< Protocol minor version */
-#define SND_PCM_IOPLUG_VERSION_TINY 1 /**< Protocol tiny version */
+#define SND_PCM_IOPLUG_VERSION_TINY 2 /**< Protocol tiny version */
/**
* IO-plugin protocol version
*/
*/
void (*dump)(snd_pcm_ioplug_t *io, snd_output_t *out);
/**
- * get the delay for the running PCM; optional
+ * get the delay for the running PCM; optional; since v1.0.1
*/
int (*delay)(snd_pcm_ioplug_t *io, snd_pcm_sframes_t *delayp);
+ /**
+ * query the channel maps; optional; since v1.0.2
+ */
+ int **(*query_chmaps)(snd_pcm_ioplug_t *io);
+ /**
+ * get the channel map; optional; since v1.0.2
+ */
+ int *(*get_chmap)(snd_pcm_ioplug_t *io);
+ /**
+ * set the channel map; optional; since v1.0.2
+ */
+ int (*set_chmap)(snd_pcm_ioplug_t *io, const int *map);
};
return 0;
}
+static int **snd_pcm_extplug_query_chmaps(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->version >= 0x010002 &&
+ ext->data->callback->query_chmaps)
+ return ext->data->callback->query_chmaps(ext->data);
+ return snd_pcm_generic_query_chmaps(pcm);
+}
+
+static int *snd_pcm_extplug_get_chmap(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->version >= 0x010002 &&
+ ext->data->callback->get_chmap)
+ return ext->data->callback->get_chmap(ext->data);
+ return snd_pcm_generic_get_chmap(pcm);
+}
+
+static int snd_pcm_extplug_set_chmap(snd_pcm_t *pcm, const int *map)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->version >= 0x010002 &&
+ ext->data->callback->set_chmap)
+ return ext->data->callback->set_chmap(ext->data, map);
+ return snd_pcm_generic_set_chmap(pcm, map);
+}
+
static const snd_pcm_ops_t snd_pcm_extplug_ops = {
.close = snd_pcm_extplug_close,
.info = snd_pcm_generic_info,
.async = snd_pcm_generic_async,
.mmap = snd_pcm_generic_mmap,
.munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_extplug_query_chmaps,
+ .get_chmap = snd_pcm_extplug_get_chmap,
+ .set_chmap = snd_pcm_extplug_set_chmap,
};
#endif /* !DOC_HIDDEN */
return 0;
}
+static int **snd_pcm_ioplug_query_chmaps(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010002 &&
+ io->data->callback->query_chmaps)
+ return io->data->callback->query_chmaps(io->data);
+ return NULL;
+}
+
+static int *snd_pcm_ioplug_get_chmap(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010002 &&
+ io->data->callback->get_chmap)
+ return io->data->callback->get_chmap(io->data);
+ return NULL;
+}
+
+static int snd_pcm_ioplug_set_chmap(snd_pcm_t *pcm, const int *map)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010002 &&
+ io->data->callback->set_chmap)
+ return io->data->callback->set_chmap(io->data, map);
+ return -ENXIO;
+}
+
static void snd_pcm_ioplug_dump(snd_pcm_t *pcm, snd_output_t *out)
{
ioplug_priv_t *io = pcm->private_data;
.dump = snd_pcm_ioplug_dump,
.mmap = snd_pcm_ioplug_mmap,
.munmap = snd_pcm_ioplug_munmap,
+ .query_chmaps = snd_pcm_ioplug_query_chmaps,
+ .get_chmap = snd_pcm_ioplug_get_chmap,
+ .set_chmap = snd_pcm_ioplug_set_chmap,
};
static const snd_pcm_fast_ops_t snd_pcm_ioplug_fast_ops = {