void
ccnet_processor_send_request (CcnetProcessor *processor,
const char *request)
{
ccnet_peer_send_request (processor->peer, REQUEST_ID (processor->id),
request);
}
void
ccnet_processor_send_request (CcnetProcessor *processor,
const char *request)
{
ccnet_client_send_request (processor->session,
REQUEST_ID (processor->id),
request);
}
void
ccnet_processor_send_request_l (CcnetProcessor *processor, ...)
{
va_list ap;
GString *buf = g_string_new(NULL);
char *arg;
va_start (ap, processor);
arg = va_arg (ap, char *);
while (arg) {
g_string_append (buf, arg);
arg = va_arg (ap, char *);
}
va_end (ap);
ccnet_peer_send_request (processor->peer,
REQUEST_ID (processor->id), buf->str);
g_string_free (buf, TRUE);
}
int vid_cmd_proc(tcpc_t c)
{
struct wcamcli *wc = c->arg;
struct vid *v = wc->srv->vid;
__u8 *req = wc->req;
__u8 *rsp = wc->rsp;
__u8 id = req[CMD1_POS];
__u8 status = ERR_SUCCESS;
__u8 dat[FRAME_DAT_MAX];
__u32 pos, len, size;
switch (id) {
case REQUEST_ID(VID_GET_UCTL):
vid_get_uctl(v, &req[DAT_POS], dat);
build_and_send_rsp(c, (TYPE_SRSP << TYPE_BIT_POS) | SUBS_VID,
id, 4, dat);
break;
case REQUEST_ID(VID_GET_UCTLS):
/*
* 应答帧结构: 字节 / 字段名称
* 1 | 2 | 4 | 长度由4字节数据部分指定
* 长度 | 命令 | 数据(控制项列表大小) | 控制项列表
*/
len = sizeof(__u32);
pos = FRAME_HDR_SZ + len;
size = vid_get_uctls(v, &rsp[pos]);
build_rsp(rsp, (TYPE_SRSP << TYPE_BIT_POS) | SUBS_VID, id, len, (__u8*)&size);
tcpc_send(c, rsp, pos + size);
break;
case REQUEST_ID(VID_SET_UCTL):
vid_set_uctl(v, &req[DAT_POS]);
break;
case REQUEST_ID(VID_SET_UCS2DEF):
v4l2_set_uctls2def(v->cam);
break;
case REQUEST_ID(VID_GET_FMT):
vid_get_fmt(v, dat);
build_and_send_rsp(c, (TYPE_SRSP << TYPE_BIT_POS) | SUBS_VID,
id, 4, dat);
break;
case REQUEST_ID(VID_GET_FRMSIZ):
vid_get_frmsiz(v, dat);
build_and_send_rsp(c, (TYPE_SRSP << TYPE_BIT_POS) | SUBS_VID,
id, 8, dat);
break;
#if 0
case REQUEST_ID(VID_GET_FMTS):
/*
* 应答帧结构: 字节 / 字段名称
* 1 | 2 | 4 | 长度由4字节数据部分指定
* 长度 | 命令 | 数据(格式分辨率列表大小) | 格式分辨率列表
*/
len = sizeof(__u32);
pos = FRAME_HDR_SZ + len;
size = vid_get_fmts(v, &rsp[pos]);
build_rsp(rsp, (TYPE_SRSP << TYPE_BIT_POS) | SUBS_VID, id, len, (__u8*)&size);
send_func(c, rsp, pos + size);
break;
case REQUEST_ID(VID_SET_FMT):
vid_set_fmt(v, &req[DAT_POS]);
break;
#endif
case REQUEST_ID(VID_REQ_FRAME):
/*
* 应答帧结构: 字节 / 字段名称
* 1 | 2 | 4 | 长度由4字节数据部分指定
* 长度 | 命令 | 数据(图像帧大小) | 图像帧
*/
len = sizeof(__u32);
pos = FRAME_HDR_SZ + len;
pthread_mutex_lock(&v->tran_frm_mutex);
if (v->tran_frm_index != wc->last_frm_index) {
size = vid_get_trans_frame(v, &rsp[pos]);
wc->last_frm_index = v->tran_frm_index;
} else {
size = 0;
}
pthread_mutex_unlock(&v->tran_frm_mutex);
build_rsp(rsp, (TYPE_SRSP << TYPE_BIT_POS) | SUBS_VID, id, len, (__u8*)&size);
tcpc_send(c, rsp, pos + size);
break;
default:
status = ERR_CMD_ID;
break;
}
return status;
}
