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/**
* @file vidbridge/disp.c Video bridge -- display
*
* Copyright (C) 2010 Creytiv.com
*/
#include <re.h>
#include <rem.h>
#include <baresip.h>
#include "vidbridge.h"
static void destructor(void *arg)
{
struct vidisp_st *st = arg;
if (st->vidsrc)
st->vidsrc->vidisp = NULL;
list_unlink(&st->le);
mem_deref(st->device);
mem_deref(st->vd);
}
int vidbridge_disp_alloc(struct vidisp_st **stp, struct vidisp *vd,
struct vidisp_prm *prm, const char *dev,
vidisp_resize_h *resizeh, void *arg)
{
struct vidisp_st *st;
int err = 0;
(void)prm;
(void)resizeh;
(void)arg;
if (!stp || !vd || !dev)
return EINVAL;
st = mem_zalloc(sizeof(*st), destructor);
if (!st)
return ENOMEM;
st->vd = mem_ref(vd);
err = str_dup(&st->device, dev);
if (err)
goto out;
/* find the vidsrc with the same device-name */
st->vidsrc = vidbridge_src_find(dev);
if (st->vidsrc) {
st->vidsrc->vidisp = st;
}
hash_append(ht_disp, hash_joaat_str(dev), &st->le, st);
out:
if (err)
mem_deref(st);
else
*stp = st;
return err;
}
static bool list_apply_handler(struct le *le, void *arg)
{
struct vidisp_st *st = le->data;
return 0 == str_cmp(st->device, arg);
}
int vidbridge_disp_display(struct vidisp_st *st, const char *title,
const struct vidframe *frame)
{
int err = 0;
(void)title;
if (st->vidsrc)
vidbridge_src_input(st->vidsrc, frame);
else {
debug("vidbridge: display: dropping frame (%u x %u)\n",
frame->size.w, frame->size.h);
}
return err;
}
struct vidisp_st *vidbridge_disp_find(const char *device)
{
return list_ledata(hash_lookup(ht_disp, hash_joaat_str(device),
list_apply_handler, (void *)device));
}
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