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alsa: use ProcessLatency param to get and set internal latency

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This commit is contained in:
Wim Taymans 2021-08-17 09:14:40 +02:00
parent ee6d363481
commit 6d196b1d11
4 changed files with 174 additions and 92 deletions
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14
spa/plugins/audioconvert/audioadapter.c
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@ -85,7 +85,8 @@ struct impl {
#define IDX_EnumPortConfig 4
#define IDX_PortConfig 5
#define IDX_Latency 6
#define N_NODE_PARAMS 7
#define IDX_ProcessLatency 7
#define N_NODE_PARAMS 8
struct spa_param_info params[N_NODE_PARAMS];
uint32_t convert_params_flags[N_NODE_PARAMS];
uint32_t follower_params_flags[N_NODE_PARAMS];
@ -132,6 +133,7 @@ next:
return res;
case SPA_PARAM_PropInfo:
case SPA_PARAM_Props:
case SPA_PARAM_ProcessLatency:
{
if (result.next < 0x10000) {
if ((res = spa_node_enum_params_sync(this->convert,
@ -458,6 +460,9 @@ static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
return res;
res = 0;
break;
case SPA_PARAM_ProcessLatency:
res = spa_node_set_param(this->follower, id, flags, param);
break;
default:
res = -ENOTSUP;
break;
@ -698,6 +703,9 @@ static void follower_info(void *data, const struct spa_node_info *info)
case SPA_PARAM_Props:
idx = IDX_Props;
break;
case SPA_PARAM_ProcessLatency:
idx = IDX_ProcessLatency;
break;
default:
continue;
}
@ -971,7 +979,8 @@ impl_node_port_set_param(void *object,
flags, param)) < 0)
return res;
if (id == SPA_PARAM_Latency && direction == this->direction) {
if ((id == SPA_PARAM_Latency) &&
direction == this->direction) {
if ((res = spa_node_port_set_param(this->follower, direction, 0, id,
flags, param)) < 0)
return res;
@ -1276,6 +1285,7 @@ impl_init(const struct spa_handle_factory *factory,
this->params[IDX_EnumPortConfig] = SPA_PARAM_INFO(SPA_PARAM_EnumPortConfig, SPA_PARAM_INFO_READ);
this->params[IDX_PortConfig] = SPA_PARAM_INFO(SPA_PARAM_PortConfig, SPA_PARAM_INFO_READWRITE);
this->params[IDX_Latency] = SPA_PARAM_INFO(SPA_PARAM_Latency, SPA_PARAM_INFO_READWRITE);
this->params[IDX_ProcessLatency] = SPA_PARAM_INFO(SPA_PARAM_ProcessLatency, SPA_PARAM_INFO_READWRITE);
this->info.params = this->params;
this->info.n_params = N_NODE_PARAMS;