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#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/linuxlist.h>
#include "rtp_provider.h"
#include "internal.h"
static LLIST_HEAD(g_providers);
static LLIST_HEAD(g_prov_instances);
const struct value_string codec_type_names[] = {
{ CODEC_ULAW, "ULAW" },
{ CODEC_ALAW, "ALAW" },
{ CODEC_GSM_FR, "GSM_FR" },
{ CODEC_GSM_EFR, "GSM_EFR" },
{ CODEC_GSM_HR, "GSM_HR" },
{ CODEC_AMR_4_75, "AMR_4_75" },
{ CODEC_AMR_5_15, "AMR_5_15" },
{ CODEC_AMR_5_90, "AMR_5_90" },
{ CODEC_AMR_6_70, "AMR_6_70" },
{ CODEC_AMR_7_40, "AMR_7_40" },
{ CODEC_AMR_7_95, "AMR_7_95" },
{ CODEC_AMR_10_2, "AMR_10_2" },
{ CODEC_AMR_12_2, "AMR_12_2" },
{ CODEC_AMR_SID, "AMR_SID" },
{ 0, NULL }
};
void rtp_provider_register(struct rtp_provider *prov)
{
llist_add_tail(&prov->list, &g_providers);
}
const struct rtp_provider *rtp_provider_find(const char *name)
{
struct rtp_provider *p;
llist_for_each_entry(p, &g_providers, list) {
if (!strcmp(name, p->name))
return p;
}
LOGP(DMAIN, LOGL_ERROR, "Couldn't find RTP provider '%s'\n", name);
return NULL;
}
struct rtp_provider_instance *
rtp_provider_instance_alloc(void *ctx, const struct rtp_provider *provider, enum codec_type codec)
{
struct rtp_provider_instance *pi;
pi = talloc_zero(ctx, struct rtp_provider_instance);
if (!pi)
return NULL;
pi->provider = provider;
pi->codec = codec;
llist_add_tail(&pi->list, &g_prov_instances);
return pi;
}
void rtp_provider_instance_free(struct rtp_provider_instance *pi)
{
llist_del(&pi->list);
talloc_free(pi);
}
int rtp_provider_instance_gen_frame(struct rtp_provider_instance *pi, uint8_t *out, size_t out_size)
{
OSMO_ASSERT(pi->provider);
return pi->provider->rtp_gen(pi, out, out_size);
}
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