int ip_output(void *pbuf, uint16_t plen, void *dbuf, uint16_t dlen)
{
oiph.id = htons_inc(ip_id);
oiph.ttl = IP_TTL;
oiph.check = 0;
oiph.version = 4;
/* Options not supported */
oiph.ihl = 5;
oiph.check = ip_checksum(&oiph, sizeof(oiph));
output_begin(); /* Set up output buffer (space left for header) */
output_add(&oiph, 4 * oiph.ihl);
output_add(pbuf, plen);
ouput_add(dbuf, dlen);
if (LOOPBACK(oiph.daddr) || oiph.daddr == ip_addr)
return loopback_queue();
else
return mac_queue();
/* We do blocking writes, when this code returns the buffer is on the
wire and we don't have to fret about re-use. Does mean slip has to be
careful to buffer the receive side while queueing output */
}
int cmain ()
{
int i;
multiplex_signal();
multiplex_sexpr();
output_add (sx_open_stdio ());
for (i = 1; curie_argv [i] != (char *)0; i++)
{
int j = 0;
struct io *in;
struct sexpr_io *io;
sexpr sx;
while (curie_argv[i][j] != (char)0) j++;
j++;
in = io_open_buffer (curie_argv[i], j);
io = sx_open_i (in);
while (!eofp (sx = sx_read (io)) && !nexp (sx))
{
timer_io_read (sx, (struct sexpr_io *)0, (void *)0);
}
}
multiplex_add_signal (sig_alrm, timer_signal, (void *)0);
multiplex_add_signal (sig_vtalrm, timer_signal, (void *)0);
multiplex_add_signal (sig_hup, term_signal, (void *)0);
multiplex_add_signal (sig_segv, term_signal, (void *)0);
multiplex_add_signal (sig_term, term_signal, (void *)0);
while (multiplex() != mx_nothing_to_do);
return 0;
}
void
output_process(void *closure,
char *canonical_hostname, struct sockaddr *peer_addr,
struct gfs_client_load *load, struct gfs_connection *gfs_server,
gfarm_error_t error)
{
struct output o;
o.closure = closure;
o.canonical_hostname = canonical_hostname;
if (peer_addr != NULL)
o.peer_addr = *peer_addr;
if (load != NULL)
o.load = *load;
o.auth_mnemonic = mnemonic(gfs_server, load);
o.error = error;
assert((load != NULL) == LOADAVG_AVAIL(&o));
if (output_record)
output_add(&o);
else /* i.e. don't sort */
(*output_callback)(&o);
}
int mix_add(mix_t *mix, AVFrame *frame, unsigned int idx, output_t *output) {
const char *err;
err = "index out of range";
if (idx >= NUM_INPUTS)
goto err;
err = "mixer not initialized";
if (!mix->src_ctxs[idx])
goto err;
dbg("stream %i pts_off %llu in pts %llu in frame pts %llu samples %u mix out pts %llu",
idx,
(unsigned long long) mix->pts_offs[idx],
(unsigned long long) mix->in_pts[idx],
(unsigned long long) frame->pts,
frame->nb_samples,
(unsigned long long) mix->out_pts);
// adjust for media started late
if (G_UNLIKELY(mix->pts_offs[idx] == (uint64_t) -1LL))
mix->pts_offs[idx] = mix->out_pts - frame->pts;
frame->pts += mix->pts_offs[idx];
// fill missing time
mix_silence_fill_idx_upto(mix, idx, frame->pts);
uint64_t next_pts = frame->pts + frame->nb_samples;
err = "failed to add frame to mixer";
if (av_buffersrc_add_frame(mix->src_ctxs[idx], frame))
goto err;
// update running counters
if (next_pts > mix->out_pts)
mix->out_pts = next_pts;
if (next_pts > mix->in_pts[idx])
mix->in_pts[idx] = next_pts;
av_frame_free(&frame);
mix_silence_fill(mix);
while (1) {
int ret = av_buffersink_get_frame(mix->sink_ctx, mix->sink_frame);
err = "failed to get frame from mixer";
if (ret < 0) {
if (ret == AVERROR(EAGAIN))
break;
else
goto err;
}
frame = resample_frame(&mix->resample, mix->sink_frame, &mix->format);
ret = output_add(output, frame);
av_frame_unref(mix->sink_frame);
av_frame_free(&frame);
if (ret)
return -1;
}
return 0;
err:
ilog(LOG_ERR, "Failed to add frame to mixer: %s", err);
av_frame_free(&frame);
return -1;
}