/*
* encoder_output_gop_seek:
* @encoder_output: (in): the encoder output.
* @timestamp: (in): time stamp of the top to seek
*
* return the address of the gop with time stamp of timestamp.
*
* Returns: gop addr if found, otherwise G_MAXUINT64 or 18446744073709551615(0xffffffffffffffff).
*
*/
guint64 encoder_output_gop_seek (EncoderOutput *encoder_output, GstClockTime timestamp)
{
guint64 rap_addr;
GstClockTime t;
rap_addr = *(encoder_output->head_addr);
if (rap_addr > encoder_output->cache_size) {
GST_ERROR ("FATAL: %s rap_addr value is %lu", encoder_output->name, rap_addr);
return G_MAXUINT64;
}
while (rap_addr != *(encoder_output->last_rap_addr)) {
t = encoder_output_rap_timestamp (encoder_output, rap_addr);
if (timestamp == t) {
break;
}
rap_addr = encoder_output_rap_next (encoder_output, rap_addr);
if (rap_addr > encoder_output->cache_size) {
GST_ERROR ("FATAL: %s rap_addr value is %lu", encoder_output->name, rap_addr);
return G_MAXUINT64;
}
}
if (rap_addr != *(encoder_output->last_rap_addr)) {
return rap_addr;
} else {
return G_MAXUINT64;
}
}
static void notify_function (union sigval sv)
{
EncoderOutput *encoder_output;
struct sigevent sev;
GstClockTime last_timestamp;
GstClockTime segment_duration;
gsize size;
gchar *url, buf[128];
encoder_output = (EncoderOutput *)sv.sival_ptr;
/* mq_notify first */
sev.sigev_notify = SIGEV_THREAD;
sev.sigev_notify_function = notify_function;
sev.sigev_notify_attributes = NULL;
sev.sigev_value.sival_ptr = sv.sival_ptr;
if (mq_notify (encoder_output->mqdes, &sev) == -1) {
GST_ERROR ("mq_notify error : %s", g_strerror (errno));
}
size = mq_receive (encoder_output->mqdes, buf, 128, NULL);
if (size == -1) {
GST_ERROR ("mq_receive error : %s", g_strerror (errno));
return;
}
buf[size] = '\0';
sscanf (buf, "%lu", &segment_duration);
last_timestamp = encoder_output_rap_timestamp (encoder_output, *(encoder_output->last_rap_addr));
url = g_strdup_printf ("%lu.ts", encoder_output->last_timestamp);
m3u8playlist_add_entry (encoder_output->m3u8_playlist, url, segment_duration);
if (encoder_output->dvr_duration != 0) {
dvr_record_segment (encoder_output, segment_duration);
}
encoder_output->last_timestamp = last_timestamp;
g_free (url);
}
