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Param: add process latency param and info

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This commit is contained in:
Wim Taymans 2021-06-22 16:10:13 +02:00
parent 8c77713a7b
commit 79866a93cd
7 changed files with 97 additions and 4 deletions
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46
spa/include/spa/param/latency-utils.h
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@ -112,6 +112,52 @@ spa_latency_build(struct spa_pod_builder *builder, uint32_t id, const struct spa
SPA_PARAM_LATENCY_maxNs, SPA_POD_Long(info->max_ns));
}
struct spa_process_latency_info {
float quantum;
uint32_t rate;
uint64_t ns;
};
#define SPA_PROCESS_LATENCY_INFO_INIT(...) (struct spa_process_latency_info) { __VA_ARGS__ }
static inline int
spa_process_latency_parse(const struct spa_pod *latency, struct spa_process_latency_info *info)
{
int res;
spa_zero(*info);
if ((res = spa_pod_parse_object(latency,
SPA_TYPE_OBJECT_ParamProcessLatency, NULL,
SPA_PARAM_PROCESS_LATENCY_quantum, SPA_POD_OPT_Float(&info->quantum),
SPA_PARAM_PROCESS_LATENCY_rate, SPA_POD_OPT_Int(&info->rate),
SPA_PARAM_PROCESS_LATENCY_ns, SPA_POD_OPT_Long(&info->ns))) < 0)
return res;
return 0;
}
static inline struct spa_pod *
spa_process_latency_build(struct spa_pod_builder *builder, uint32_t id,
const struct spa_process_latency_info *info)
{
return (struct spa_pod *)spa_pod_builder_add_object(builder,
SPA_TYPE_OBJECT_ParamProcessLatency, id,
SPA_PARAM_PROCESS_LATENCY_quantum, SPA_POD_Float(info->quantum),
SPA_PARAM_PROCESS_LATENCY_rate, SPA_POD_Int(info->rate),
SPA_PARAM_PROCESS_LATENCY_ns, SPA_POD_Long(info->ns));
}
static inline int
spa_process_latency_info_add(const struct spa_process_latency_info *process,
struct spa_latency_info *info)
{
info->min_quantum += process->quantum;
info->max_quantum += process->quantum;
info->min_rate += process->rate;
info->max_rate += process->rate;
info->min_ns += process->ns;
info->max_ns += process->ns;
return 0;
}
#ifdef __cplusplus
} /* extern "C" */
#endif