#include "para.h"
#include "ortp.h"
+#include "list.h"
+#include "sched.h"
#include "recv.h"
#include "ortp_recv.cmdline.h"
#define CHUNK_SIZE 128 * 1024
-extern int msg_to_buf(mblk_t *, char *, int);
-
/**
* data specific to the ortp receiver
*
* \sa receiver receiver_node
*/
struct private_ortp_recv_data {
-
/**
*
*
uint32_t chunk_ts;
};
-static int ortp_recv_pre_select(struct receiver_node *rn,
- __a_unused fd_set *rfds, __a_unused fd_set *wfds,
- struct timeval *timeout)
+
+static int msg_to_buf(mblk_t *mp, char *buffer, int len)
+{
+ int rlen = len;
+ mblk_t *m, *mprev;
+ int mlen;
+
+ m = mp->b_cont;
+ mprev = mp;
+ while (m != NULL) {
+ mlen = (int) (m->b_wptr - m->b_rptr);
+ if (mlen <= rlen) {
+ mblk_t *consumed = m;
+ memcpy (buffer, m->b_rptr, mlen);
+ /* go to next mblk_t */
+ mprev->b_cont = m->b_cont;
+ m = m->b_cont;
+ consumed->b_cont = NULL;
+ freeb (consumed);
+ buffer += mlen;
+ rlen -= mlen;
+ } else { /*if mlen>rlen */
+ memcpy (buffer, m->b_rptr, rlen);
+ m->b_rptr += rlen;
+ return len;
+ }
+ }
+ return len - rlen;
+}
+
+
+static void ortp_recv_pre_select(struct sched *s, struct task *t)
{
+ struct receiver_node *rn = t->private_data;
struct private_ortp_recv_data *pord = rn->private_data;
- struct timeval now, tmp;
+ struct timeval tmp;
- gettimeofday(&now, NULL);
- if (tv_diff(&now, &pord->next_chunk, &tmp) >= 0) {
+ if (tv_diff(now, &pord->next_chunk, &tmp) >= 0) {
tmp.tv_sec = 0;
tmp.tv_usec = 1000;
}
- if (tv_diff(timeout, &tmp, NULL) > 0)
- *timeout = tmp;
- return -1; /* we did not modify the fd sets */
+ if (tv_diff(&s->timeout, &tmp, NULL) > 0)
+ s->timeout = tmp;
+ t->ret = 1;
}
static void compute_next_chunk(unsigned chunk_time,
pord->next_chunk.tv_usec);
}
-static int ortp_recv_post_select(struct receiver_node *rn,
- __a_unused int select_ret, __a_unused fd_set *rfds,
- __a_unused fd_set *wfds)
+static void ortp_recv_post_select(__a_unused struct sched *s, struct task *t)
{
+ struct receiver_node *rn = t->private_data;
struct private_ortp_recv_data *pord = rn->private_data;
mblk_t *mp;
- int ret, packet_type, stream_type;
+ int packet_type, stream_type;
char tmpbuf[CHUNK_SIZE + 3];
- struct timeval now;
unsigned chunk_time;
- gettimeofday(&now, NULL);
-// PARA_DEBUG_LOG("rn: %p, pord: %p, session: %p\n", rn, pord, pord->session);
- if (pord->start.tv_sec) {
- struct timeval diff;
- if (tv_diff(&now, &pord->next_chunk, &diff) < 0)
- return 1;
+// PARA_INFO_LOG("rn: %p, pord: %p, session: %p\n", rn, pord, pord->session);
+ t->ret = -E_ORTP_RECV_EOF;
+ if (rn->output_eof && *rn->output_eof) {
+ rn->eof = 1;
+ return;
}
+ t->ret = 1;
+ if (pord->start.tv_sec)
+ if (tv_diff(now, &pord->next_chunk, NULL) < 0)
+ return;
mp = rtp_session_recvm_with_ts(pord->session, pord->timestamp);
if (!mp) {
struct timeval min_delay = {0, 100};
// PARA_INFO_LOG("nope, chunk_ts = %d, loaded: %d, bad: %d\n",
// pord->timestamp, rn->loaded, pord->c_bad);
pord->c_bad++;
+ t->ret = -E_TOO_MANY_BAD_CHUNKS;
if ((pord->c_bad > 5000 && pord->start.tv_sec) || pord->c_bad > 10000)
- return -E_TOO_MANY_BAD_CHUNKS;
- tv_add(&now, &min_delay, &pord->next_chunk);
- return 1;
+ return;
+ t->ret = 1;
+ tv_add(now, &min_delay, &pord->next_chunk);
+ return;
}
/* okay, we have a chunk of data */
if (!pord->start.tv_sec)
- pord->start = now;
- ret = msg_to_buf(mp, tmpbuf, CHUNK_SIZE);
-// PARA_DEBUG_LOG("have it ts = %d, chunk_ts = %d, loaded: %d, "
-// "bad: %d, len: %d\n", pord->timestamp, pord->chunk_ts,
-// rn->loaded, pord->c_bad, ret);
- if (ret < ORTP_AUDIO_HEADER_LEN) {
- if (ret < 0)
- ret = -E_MSG_TO_BUF;
+ pord->start = *now;
+ t->ret = msg_to_buf(mp, tmpbuf, CHUNK_SIZE);
+ if (t->ret < ORTP_AUDIO_HEADER_LEN) {
+ rn->eof = 1;
+ if (t->ret < 0)
+ t->ret = -E_MSG_TO_BUF;
else
- ret = 0;
+ t->ret = -E_ORTP_RECV_EOF;
goto err_out;
}
packet_type = READ_PACKET_TYPE(tmpbuf);
switch (packet_type) {
unsigned header_len, payload_len;
case ORTP_EOF:
- ret = 0;
+ rn->eof = 1;
+ t->ret = -E_ORTP_RECV_EOF;
goto err_out;
case ORTP_BOF:
- PARA_INFO_LOG("bof (%d)\n", ret);
+ PARA_INFO_LOG("bof (%d)\n", t->ret);
pord->have_header = 1;
/* fall through */
case ORTP_DATA:
if (!pord->have_header && stream_type)
/* can't use the data, wait for header */
goto success;
- if (ret + rn->loaded >= CHUNK_SIZE + ORTP_AUDIO_HEADER_LEN) {
- ret = -E_OVERRUN;
+ if (t->ret + rn->loaded >= CHUNK_SIZE + ORTP_AUDIO_HEADER_LEN) {
+ t->ret = -E_OVERRUN;
goto err_out;
}
- if (ret > ORTP_AUDIO_HEADER_LEN) {
+ if (t->ret > ORTP_AUDIO_HEADER_LEN) {
memcpy(rn->buf + rn->loaded, tmpbuf + ORTP_AUDIO_HEADER_LEN,
- ret - ORTP_AUDIO_HEADER_LEN);
- rn->loaded += ret - ORTP_AUDIO_HEADER_LEN;
+ t->ret - ORTP_AUDIO_HEADER_LEN);
+ rn->loaded += t->ret - ORTP_AUDIO_HEADER_LEN;
}
goto success;
case ORTP_HEADER:
header_len = READ_HEADER_LEN(tmpbuf);
PARA_DEBUG_LOG("header packet (%d bytes), header len: %d\n",
- ret, header_len);
+ t->ret, header_len);
if (!pord->have_header) {
pord->have_header = 1;
memcpy(rn->buf, tmpbuf + ORTP_AUDIO_HEADER_LEN,
- ret - ORTP_AUDIO_HEADER_LEN);
- rn->loaded = ret - ORTP_AUDIO_HEADER_LEN;
+ t->ret - ORTP_AUDIO_HEADER_LEN);
+ rn->loaded = t->ret - ORTP_AUDIO_HEADER_LEN;
goto success;
}
- if (header_len + ORTP_AUDIO_HEADER_LEN > ret) {
- ret = -E_INVALID_HEADER;
+ if (header_len + ORTP_AUDIO_HEADER_LEN > t->ret) {
+ t->ret = -E_INVALID_HEADER;
goto err_out;
}
- payload_len = ret - ORTP_AUDIO_HEADER_LEN - header_len;
+ payload_len = t->ret - ORTP_AUDIO_HEADER_LEN - header_len;
// PARA_INFO_LOG("len: %d header_len: %d, payload_len: %d, loaded: %d\n", ret,
// header_len, payload_len, rn->loaded);
if (rn->loaded + payload_len > CHUNK_SIZE) {
- ret = -E_OVERRUN;
+ t->ret = -E_OVERRUN;
goto err_out;
}
if (payload_len)
memcpy(rn->buf + rn->loaded, tmpbuf
- + (ret - payload_len), payload_len);
+ + (t->ret - payload_len), payload_len);
rn->loaded += payload_len;
goto success;
}
success:
+ t->ret = 1;
freemsg(mp);
if (pord->c_bad) {
pord->c_bad = 0;
- pord->next_chunk = now;
+ pord->next_chunk = *now;
}
compute_next_chunk(chunk_time, pord);
- return 1;
+ return;
err_out:
+ rn->eof = 1;
freemsg(mp);
- return ret;
}
static void ortp_shutdown(void)