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filter-graph: add log feature to lv2 plugins

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This commit is contained in:
Wim Taymans 2025-05-28 15:02:31 +02:00
parent 3f99c6f259
commit a1be639894
1 changed files with 29 additions and 0 deletions
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29
spa/plugins/filter-graph/lv2_plugin.c
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@ -23,6 +23,7 @@
#include <lv2/state/state.h>
#include <lv2/options/options.h>
#include <lv2/parameters/parameters.h>
#include <lv2/log/log.h>
# else
@ -32,6 +33,7 @@
#include <lv2/lv2plug.in/ns/ext/state/state.h>
#include <lv2/lv2plug.in/ns/ext/options/options.h>
#include <lv2/lv2plug.in/ns/ext/parameters/parameters.h>
#include <lv2/lv2plug.in/ns/ext/log/log.h>
# endif
@ -236,6 +238,8 @@ struct instance {
LilvInstance *instance;
LV2_Worker_Schedule work_schedule;
LV2_Feature work_schedule_feature;
LV2_Log_Log log;
LV2_Feature log_feature;
LV2_Options_Option options[6];
LV2_Feature options_feature;
@ -335,6 +339,25 @@ static const void *state_retrieve_function(LV2_State_Handle handle,
return NULL;
}
SPA_PRINTF_FUNC(3, 0)
static int log_vprintf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, va_list ap)
{
struct instance *i = (struct instance*)handle;
spa_log_logv(i->p->log, SPA_LOG_LEVEL_INFO, __FILE__,__LINE__,__func__, fmt, ap);
return 0;
}
SPA_PRINTF_FUNC(3, 4)
static int log_printf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)
{
va_list args;
int ret;
va_start(args, fmt);
ret = log_vprintf(handle, type, fmt, args);
va_end(args);
return ret;
}
static void *lv2_instantiate(const struct spa_fga_plugin *plugin, const struct spa_fga_descriptor *desc,
unsigned long SampleRate, int index, const char *config)
{
@ -355,6 +378,12 @@ static void *lv2_instantiate(const struct spa_fga_plugin *plugin, const struct s
i->block_length = 1024;
i->desc = d;
i->p = p;
i->log.handle = i;
i->log.printf = log_printf;
i->log.vprintf = log_vprintf;
i->log_feature.URI = LV2_LOG__log;
i->log_feature.data = &i->log;
i->features[n_features++] = &i->log_feature;
i->features[n_features++] = &c->map_feature;
i->features[n_features++] = &c->unmap_feature;
i->features[n_features++] = &buf_size_features[0];