ssize_t tsdemux_write(struct file *file,
struct stream_buf_s *vbuf,
struct stream_buf_s *abuf,
const char __user *buf, size_t count)
{
s32 r;
stream_port_t *port = (stream_port_t *)file->private_data;
size_t wait_size, write_size;
if ((stbuf_space(vbuf) < count) ||
(stbuf_space(abuf) < count)) {
if (file->f_flags & O_NONBLOCK) {
write_size=min(stbuf_space(vbuf), stbuf_space(abuf));
if(write_size<=188)/*have 188 bytes,write now., */
return -EAGAIN;
}else{
wait_size = min(stbuf_canusesize(vbuf) / 8, stbuf_canusesize(abuf) / 4);
if ((port->flag & PORT_FLAG_VID)
&& (stbuf_space(vbuf) < wait_size)) {
r = stbuf_wait_space(vbuf, wait_size);
if (r < 0) {
//printk("write no space--- no space,%d--%d,r-%d\n",stbuf_space(vbuf),stbuf_space(abuf),r);
return r;
}
}
if ((port->flag & PORT_FLAG_AID)
&& (stbuf_space(abuf) < wait_size)) {
r = stbuf_wait_space(abuf, wait_size);
if (r < 0) {
//printk("write no stbuf_wait_space--- no space,%d--%d,r-%d\n",stbuf_space(vbuf),stbuf_space(abuf),r);
return r;
}
}
}
}
vbuf->last_write_jiffies64=jiffies_64;
abuf->last_write_jiffies64=jiffies_64;
write_size=limited_delay_check(file,vbuf,abuf,buf,count);
if (write_size > 0) {
return _tsdemux_write(buf, write_size);
} else {
return -EAGAIN;
}
}
