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/**
* @file vidfilt.c Video Filter
*
* Copyright (C) 2010 Creytiv.com
*/
#include <re.h>
#include <baresip.h>
#include "core.h"
static struct list vfl;
/**
* Register a new Video Filter
*
* @param vf Video Filter to register
*/
void vidfilt_register(struct vidfilt *vf)
{
if (!vf)
return;
list_append(&vfl, &vf->le, vf);
info("vidfilt: %s\n", vf->name);
}
/**
* Unregister a Video Filter
*
* @param vf Video Filter to unregister
*/
void vidfilt_unregister(struct vidfilt *vf)
{
if (!vf)
return;
list_unlink(&vf->le);
}
/**
* Get the list of registered Video Filters
*
* @return List of Video Filters
*/
struct list *vidfilt_list(void)
{
return &vfl;
}
static void vidfilt_enc_destructor(void *arg)
{
struct vidfilt_enc_st *st = arg;
list_unlink(&st->le);
}
int vidfilt_enc_append(struct list *filtl, void **ctx,
const struct vidfilt *vf)
{
struct vidfilt_enc_st *st = NULL;
int err;
if (vf->encupdh) {
err = vf->encupdh(&st, ctx, vf);
if (err)
return err;
}
else {
st = mem_zalloc(sizeof(*st), vidfilt_enc_destructor);
if (!st)
return ENOMEM;
}
st->vf = vf;
list_append(filtl, &st->le, st);
return 0;
}
static void vidfilt_dec_destructor(void *arg)
{
struct vidfilt_dec_st *st = arg;
list_unlink(&st->le);
}
int vidfilt_dec_append(struct list *filtl, void **ctx,
const struct vidfilt *vf)
{
struct vidfilt_dec_st *st = NULL;
int err;
if (vf->decupdh) {
err = vf->decupdh(&st, ctx, vf);
if (err)
return err;
}
else {
st = mem_zalloc(sizeof(*st), vidfilt_dec_destructor);
if (!st)
return ENOMEM;
}
st->vf = vf;
list_append(filtl, &st->le, st);
return 0;
}
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