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alsa: Adjust to GVariant-based sr_config_* functions

This commit is contained in:
Bert Vermeulen 2013-03-31 20:55:39 +02:00
parent 3316e149d0
commit aa0dbd683c
3 changed files with 25 additions and 16 deletions
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31
hardware/alsa/api.c
View File

@ -27,11 +27,10 @@
#include "libsigrok-internal.h"
#include "protocol.h"
static const int hwcaps[] = {
static const int32_t hwcaps[] = {
SR_CONF_SAMPLERATE,
SR_CONF_LIMIT_SAMPLES,
SR_CONF_CONTINUOUS,
0,
};
SR_PRIV struct sr_dev_driver alsa_driver_info;
@ -124,14 +123,14 @@ static int hw_cleanup(void)
return SR_OK;
}
static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
switch (id) {
case SR_CONF_SAMPLERATE:
devc = sdi->priv;
*data = &devc->cur_samplerate;
*data = g_variant_new_uint64(devc->cur_samplerate);
break;
default:
return SR_ERR_ARG;
@ -140,7 +139,7 @@ static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
return SR_OK;
}
static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
@ -148,10 +147,10 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
switch (id) {
case SR_CONF_SAMPLERATE:
alsa_set_samplerate(sdi, *(const uint64_t *)value);
alsa_set_samplerate(sdi, g_variant_get_uint64(data));
break;
case SR_CONF_LIMIT_SAMPLES:
devc->limit_samples = *(const uint64_t *)value;
devc->limit_samples = g_variant_get_uint64(data);
break;
default:
sr_err("Unknown capability: %d.", id);
@ -161,25 +160,35 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
return SR_OK;
}
static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
GVariant *gvar;
GVariantBuilder gvb;
int i;
(void)sdi;
switch (key) {
case SR_CONF_DEVICE_OPTIONS:
*data = hwcaps;
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
break;
case SR_CONF_SAMPLERATE:
if (!sdi || !sdi->priv)
return SR_ERR_ARG;
devc = sdi->priv;
if (!devc->supp_rates.list) {
if (!devc->samplerates) {
sr_err("Instance did not contain a samplerate list.");
return SR_ERR_ARG;
}
*data = &devc->supp_rates;
for (i = 0; devc->samplerates[i]; i++)
;
g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
devc->samplerates, i, sizeof(uint64_t));
g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
*data = g_variant_builder_end(&gvb);
break;
default:
return SR_ERR_ARG;

8
hardware/alsa/protocol.c
View File

@ -152,7 +152,7 @@ static void alsa_scan_handle_dev(GSList **devices,
devc->num_probes = channels;
devc->hw_params = hw_params;
memcpy(devrates, hwrates, offset * sizeof(uint64_t));
devc->supp_rates.list = devrates;
devc->samplerates = devrates;
sdi->priv = devc;
sdi->driver = di;
@ -294,7 +294,7 @@ SR_PRIV void alsa_dev_inst_clear(struct sr_dev_inst *sdi)
return;
snd_pcm_hw_params_free(devc->hw_params);
g_free((void*)devc->supp_rates.list);
g_free((void*)devc->samplerates);
sr_dev_inst_free(sdi);
}
@ -326,11 +326,11 @@ SR_PRIV int alsa_set_samplerate(const struct sr_dev_inst *sdi,
i = 0;
do {
if (newrate == devc->supp_rates.list[i]) {
if (newrate == devc->samplerates[i]) {
rate = newrate;
break;
}
} while (devc->supp_rates.list[i++] != 0);
} while (devc->samplerates[i++] != 0);
if (!rate) {
sr_err("Sample rate %" PRIu64 " not supported.", newrate);

2
hardware/alsa/protocol.h
View File

@ -43,7 +43,7 @@ struct dev_context {
uint64_t limit_samples;
uint64_t num_samples;
uint8_t num_probes;
struct sr_samplerates supp_rates;
uint64_t *samplerates;
char *hwdev;
snd_pcm_t *capture_handle;
snd_pcm_hw_params_t *hw_params;