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bluez5: helper functions for querying codecs on device

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This commit is contained in:
Pauli Virtanen 2021-01-25 22:42:53 +02:00 • committed by Wim Taymans
parent b642c7f209
commit 0c74b90f0e
2 changed files with 59 additions and 0 deletions
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57
spa/plugins/bluez5/bluez5-dbus.c
View file

@ -781,6 +781,63 @@ static bool device_can_accept_a2dp_codec(struct spa_bt_device *device, const str
return true;
}
bool spa_bt_device_supports_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec *codec)
{
struct spa_bt_remote_endpoint *ep;
if (!device_can_accept_a2dp_codec(device, codec))
return false;
if (!device->adapter->application_registered) {
/* Codec switching not supported: only plain SBC allowed */
return (codec->codec_id == A2DP_CODEC_SBC && strcmp(codec->name, "sbc") == 0);
}
spa_list_for_each(ep, &device->remote_endpoint_list, device_link) {
if (a2dp_codec_check_caps(codec, ep->codec, ep->capabilities, ep->capabilities_len))
return true;
}
return false;
}
const struct a2dp_codec **spa_bt_device_get_supported_a2dp_codecs(struct spa_bt_device *device, size_t *count)
{
const struct a2dp_codec **supported_codecs;
size_t i, j, size;
*count = 0;
size = 8;
supported_codecs = malloc(size * sizeof(const struct a2dp_codec *));
if (supported_codecs == NULL)
return NULL;
j = 0;
for (i = 0; a2dp_codecs[i] != NULL; ++i) {
if (spa_bt_device_supports_a2dp_codec(device, a2dp_codecs[i])) {
supported_codecs[j] = a2dp_codecs[i];
++j;
}
if (j >= size) {
const struct a2dp_codec **p;
size = size * 2;
p = realloc(supported_codecs, size * sizeof(const struct a2dp_codec *));
if (p == NULL) {
free(supported_codecs);
return NULL;
}
supported_codecs = p;
}
}
supported_codecs[j] = NULL;
*count = j;
return supported_codecs;
}
static int device_try_connect_profile(struct spa_bt_device *device,
enum spa_bt_profile profile,
const char *profile_uuid)

2
spa/plugins/bluez5/defs.h
View file

@ -374,6 +374,8 @@ struct spa_bt_device *spa_bt_device_find_by_address(struct spa_bt_monitor *monit
int spa_bt_device_connect_profile(struct spa_bt_device *device, enum spa_bt_profile profile);
int spa_bt_device_check_profiles(struct spa_bt_device *device, bool force);
int spa_bt_device_ensure_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec **codecs);
bool spa_bt_device_supports_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec *codec);
const struct a2dp_codec **spa_bt_device_get_supported_a2dp_codecs(struct spa_bt_device *device, size_t *count);
#define spa_bt_device_emit(d,m,v,...) spa_hook_list_call(&(d)->listener_list, \
struct spa_bt_device_events, \