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pulse-server: use transportCodec prop for bluez codec messages

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This commit is contained in:
Pauli Virtanen 2021-03-21 18:48:19 +02:00 • committed by Wim Taymans
parent a552655edc
commit 6b5b56bcc7
2 changed files with 134 additions and 121 deletions
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101
src/modules/module-protocol-pulse/collect.c
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@ -553,3 +553,104 @@ static struct spa_dict *collect_props(struct spa_pod *info, struct spa_dict *dic
dict->n_items = n;
return dict;
}
struct transport_codec_info {
enum spa_bluetooth_audio_codec id;
const char *description;
};
static uint32_t collect_transport_codec_info(struct pw_manager_object *card,
struct transport_codec_info *codecs, uint32_t max_codecs, uint32_t *active)
{
struct pw_manager_param *p;
uint32_t n_codecs = 0;
*active = SPA_ID_INVALID;
if (card == NULL)
return 0;
spa_list_for_each(p, &card->param_list, link) {
uint32_t iid;
const struct spa_pod_choice *type;
const struct spa_pod_struct *labels;
struct spa_pod_parser prs;
struct spa_pod_frame f;
int32_t *id;
bool first;
if (p->id != SPA_PARAM_PropInfo)
continue;
if (spa_pod_parse_object(p->param,
SPA_TYPE_OBJECT_PropInfo, NULL,
SPA_PROP_INFO_id, SPA_POD_Id(&iid),
SPA_PROP_INFO_type, SPA_POD_PodChoice(&type),
SPA_PROP_INFO_labels, SPA_POD_PodStruct(&labels)) < 0)
continue;
if (iid != SPA_PROP_bluetoothAudioCodec)
continue;
if (SPA_POD_CHOICE_TYPE(type) != SPA_CHOICE_Enum ||
SPA_POD_TYPE(SPA_POD_CHOICE_CHILD(type)) != SPA_TYPE_Int)
continue;
/*
* XXX: PropInfo currently uses Int, not Id, in type and labels.
*/
/* Codec name list */
first = true;
SPA_POD_CHOICE_FOREACH(type, id) {
if (first) {
/* Skip default */
first = false;
continue;
}
if (n_codecs >= max_codecs)
break;
codecs[n_codecs++].id = *id;
}
/* Codec description list */
spa_pod_parser_pod(&prs, (struct spa_pod *)labels);
spa_pod_parser_push_struct(&prs, &f);
while (1) {
int32_t id;
const char *desc;
uint32_t j;
if (spa_pod_parser_get_int(&prs, &id) < 0 ||
spa_pod_parser_get_string(&prs, &desc) < 0)
break;
for (j = 0; j < n_codecs; ++j) {
if (codecs[j].id == (uint32_t)id)
codecs[j].description = desc;
}
}
}
/* Active codec */
spa_list_for_each(p, &card->param_list, link) {
uint32_t j;
uint32_t id;
if (p->id != SPA_PARAM_Props)
continue;
if (spa_pod_parse_object(p->param,
SPA_TYPE_OBJECT_Props, NULL,
SPA_PROP_bluetoothAudioCodec, SPA_POD_Id(&id)) < 0)
continue;
for (j = 0; j < n_codecs; ++j) {
if (codecs[j].id == id)
*active = j;
}
}
return n_codecs;
}