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/**
* @file mock/mock_vidcodec.c Mock video codec
*
* Copyright (C) 2010 - 2016 Creytiv.com
*/
#include <string.h>
#include <re.h>
#include <rem.h>
#include <baresip.h>
#include "../test.h"
#define HDR_SIZE 12
struct hdr {
enum vidfmt fmt;
unsigned width;
unsigned height;
};
struct videnc_state {
int64_t pts;
unsigned fps;
videnc_packet_h *pkth;
void *arg;
};
struct viddec_state {
struct vidframe *frame;
};
static int hdr_decode(struct hdr *hdr, struct mbuf *mb)
{
if (mbuf_get_left(mb) < HDR_SIZE)
return EBADMSG;
hdr->fmt = ntohl(mbuf_read_u32(mb));
hdr->width = ntohl(mbuf_read_u32(mb));
hdr->height = ntohl(mbuf_read_u32(mb));
return 0;
}
static void decode_destructor(void *arg)
{
struct viddec_state *vds = arg;
mem_deref(vds->frame);
}
static int mock_encode_update(struct videnc_state **vesp,
const struct vidcodec *vc,
struct videnc_param *prm, const char *fmtp,
videnc_packet_h *pkth, void *arg)
{
struct videnc_state *ves;
(void)fmtp;
if (!vesp || !vc || !prm || prm->pktsize < (HDR_SIZE + 1))
return EINVAL;
ves = *vesp;
if (!ves) {
ves = mem_zalloc(sizeof(*ves), NULL);
if (!ves)
return ENOMEM;
*vesp = ves;
}
ves->fps = prm->fps;
ves->pkth = pkth;
ves->arg = arg;
return 0;
}
static int mock_encode(struct videnc_state *ves, bool update,
const struct vidframe *frame)
{
struct mbuf *hdr;
uint8_t payload[2] = {0,0};
uint32_t rtp_ts;
int err;
(void)update;
if (!ves || !frame)
return EINVAL;
hdr = mbuf_alloc(16);
err = mbuf_write_u32(hdr, htonl(frame->fmt));
err |= mbuf_write_u32(hdr, htonl(frame->size.w));
err |= mbuf_write_u32(hdr, htonl(frame->size.h));
if (err)
goto out;
rtp_ts = video_calc_rtp_timestamp(++ves->pts, ves->fps);
err = ves->pkth(true, rtp_ts, hdr->buf, hdr->end,
payload, sizeof(payload), ves->arg);
if (err)
goto out;
out:
mem_deref(hdr);
return err;
}
static int mock_decode_update(struct viddec_state **vdsp,
const struct vidcodec *vc, const char *fmtp)
{
struct viddec_state *vds;
int err = 0;
(void)vc;
(void)fmtp;
if (!vdsp)
return EINVAL;
vds = *vdsp;
if (vds)
return 0;
vds = mem_zalloc(sizeof(*vds), decode_destructor);
if (!vds)
return ENOMEM;
if (err)
mem_deref(vds);
else
*vdsp = vds;
return err;
}
static int mock_decode(struct viddec_state *vds, struct vidframe *frame,
bool *intra, bool marker, uint16_t seq, struct mbuf *mb)
{
struct vidsz size;
struct hdr hdr;
int err, i;
(void)marker;
(void)seq;
if (!vds || !frame || !intra || !mb)
return EINVAL;
*intra = false;
err = hdr_decode(&hdr, mb);
if (err) {
warning("mock_vidcodec: could not decode header (%m)\n", err);
return err;
}
size.w = hdr.width;
size.h = hdr.height;
if (!vds->frame) {
err = vidframe_alloc(&vds->frame, hdr.fmt, &size);
if (err)
goto out;
}
for (i=0; i<4; i++) {
frame->data[i] = vds->frame->data[i];
frame->linesize[i] = vds->frame->linesize[i];
}
frame->size.w = vds->frame->size.w;
frame->size.h = vds->frame->size.h;
frame->fmt = vds->frame->fmt;
out:
return err;
}
static struct vidcodec vc_dummy = {
.name = "H266",
.encupdh = mock_encode_update,
.ench = mock_encode,
.decupdh = mock_decode_update,
.dech = mock_decode,
};
void mock_vidcodec_register(void)
{
vidcodec_register(baresip_vidcodecl(), &vc_dummy);
}
void mock_vidcodec_unregister(void)
{
vidcodec_unregister(&vc_dummy);
}
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