Session * Session::find_sub2(
boost::uint32_t id)
{
if (id == id_) {
return this;
}
return find_sub(id);
}
/* This is the main callback when SUBSCRIBE request is received. */
static void on_subscribe_request(pjsip_transaction *tsx, pjsip_rx_data *rdata)
{
pjsip_event_sub *sub = find_sub(rdata);
if (sub)
on_received_sub_refresh(sub, tsx, rdata);
else
on_new_subscription(tsx, rdata);
}
void update_subtitles(sh_video_t *sh_video, double refpts, demux_stream_t *d_dvdsub, int reset)
{
double curpts = refpts - sub_delay;
unsigned char *packet=NULL;
int len;
int type = d_dvdsub->sh ? ((sh_sub_t *)d_dvdsub->sh)->type : 'v';
static subtitle subs;
if (reset) {
sub_clear_text(&subs, MP_NOPTS_VALUE);
if (vo_sub) {
set_osd_subtitle(NULL);
}
if (vo_spudec) {
spudec_reset(vo_spudec);
vo_osd_changed(OSDTYPE_SPU);
}
#ifdef CONFIG_FFMPEG
if (is_av_sub(type))
reset_avsub(d_dvdsub->sh);
#endif
}
// find sub
if (subdata) {
if (sub_fps==0) sub_fps = sh_video ? sh_video->fps : 25;
current_module = "find_sub";
if (refpts > sub_last_pts || refpts < sub_last_pts-1.0) {
find_sub(subdata, curpts *
(subdata->sub_uses_time ? 100. : sub_fps));
if (vo_sub) vo_sub_last = vo_sub;
// FIXME! frame counter...
sub_last_pts = refpts;
}
}
// DVD sub:
if (vo_config_count &&
(vobsub_id >= 0 || type == 'v')) {
int timestamp;
current_module = "spudec";
/* Get a sub packet from the DVD or a vobsub */
while(1) {
// Vobsub
len = 0;
if (vo_vobsub) {
if (curpts >= 0) {
len = vobsub_get_packet(vo_vobsub, curpts,
(void**)&packet, ×tamp);
if (len > 0) {
mp_dbg(MSGT_CPLAYER,MSGL_V,"\rVOB sub: len=%d v_pts=%5.3f v_timer=%5.3f sub=%5.3f ts=%d \n",len,refpts,sh_video->timer,timestamp / 90000.0,timestamp);
}
}
} else {
// DVD sub
len = ds_get_packet_sub(d_dvdsub, (unsigned char**)&packet, NULL, NULL);
if (len > 0) {
// XXX This is wrong, sh_video->pts can be arbitrarily
// much behind demuxing position. Unfortunately using
// d_video->pts which would have been the simplest
// improvement doesn't work because mpeg specific hacks
// in video.c set d_video->pts to 0.
float x = d_dvdsub->pts - refpts;
if (x > -20 && x < 20) // prevent missing subs on pts reset
timestamp = 90000*d_dvdsub->pts;
else timestamp = 90000*curpts;
mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d "
"v_pts=%5.3f s_pts=%5.3f ts=%d \n", len,
refpts, d_dvdsub->pts, timestamp);
}
}
if (len<=0 || !packet) break;
// create it only here, since with some broken demuxers we might
// type = v but no DVD sub and we currently do not change the
// "original frame size" ever after init, leading to wrong-sized
// PGS subtitles.
if (!vo_spudec)
vo_spudec = spudec_new(NULL);
if (vo_vobsub || timestamp >= 0)
spudec_assemble(vo_spudec, packet, len, timestamp);
}
} else if (is_text_sub(type) || is_av_sub(type) || type == 'd') {
int orig_type = type;
double endpts;
if (type == 'd' && !d_dvdsub->demuxer->teletext) {
tt_stream_props tsp = {0};
void *ptr = &tsp;
if (teletext_control(NULL, TV_VBI_CONTROL_START, &ptr) == VBI_CONTROL_TRUE)
d_dvdsub->demuxer->teletext = ptr;
}
if (d_dvdsub->non_interleaved)
ds_get_next_pts(d_dvdsub);
while (1) {
double subpts = curpts;
type = orig_type;
len = ds_get_packet_sub(d_dvdsub, &packet, &subpts, &endpts);
if (len < 0)
break;
if (is_av_sub(type)) {
#ifdef CONFIG_FFMPEG
type = decode_avsub(d_dvdsub->sh, &packet, &len, &subpts, &endpts);
if (type <= 0)
#endif
continue;
}
if (type == 'm') {
if (len < 2) continue;
len = FFMIN(len - 2, AV_RB16(packet));
packet += 2;
}
if (type == 'd') {
if (d_dvdsub->demuxer->teletext) {
uint8_t *p = packet;
p++;
len--;
while (len >= 46) {
int sublen = p[1];
if (p[0] == 2 || p[0] == 3)
teletext_control(d_dvdsub->demuxer->teletext,
TV_VBI_CONTROL_DECODE_DVB, p + 2);
p += sublen + 2;
len -= sublen + 2;
}
}
continue;
}
#ifdef CONFIG_ASS
if (ass_enabled) {
sh_sub_t* sh = d_dvdsub->sh;
ass_track = sh ? sh->ass_track : NULL;
if (!ass_track) continue;
if (type == 'a') { // ssa/ass subs with libass
if (len > 10 && memcmp(packet, "Dialogue: ", 10) == 0)
ass_process_data(ass_track, packet, len);
else
ass_process_chunk(ass_track, packet, len,
(long long)(subpts*1000 + 0.5),
(long long)((endpts-subpts)*1000 + 0.5));
} else { // plaintext subs with libass
if (subpts != MP_NOPTS_VALUE) {
subtitle tmp_subs = {0};
if (endpts == MP_NOPTS_VALUE) endpts = subpts + 3;
sub_add_text(&tmp_subs, packet, len, endpts, 0);
tmp_subs.start = subpts * 100;
tmp_subs.end = endpts * 100;
ass_process_subtitle(ass_track, &tmp_subs);
sub_clear_text(&tmp_subs, MP_NOPTS_VALUE);
}
}
continue;
}
#endif
if (subpts != MP_NOPTS_VALUE) {
if (endpts == MP_NOPTS_VALUE)
sub_clear_text(&subs, MP_NOPTS_VALUE);
if (type == 'a') { // ssa/ass subs without libass => convert to plaintext
int i;
unsigned char* p = packet;
int skip_commas = 8;
if (len > 10 && memcmp(packet, "Dialogue: ", 10) == 0)
skip_commas = 9;
for (i=0; i < skip_commas && *p != '\0'; p++)
if (*p == ',')
i++;
if (*p == '\0') /* Broken line? */
continue;
len -= p - packet;
packet = p;
}
sub_add_text(&subs, packet, len, endpts, 1);
set_osd_subtitle(&subs);
}
if (d_dvdsub->non_interleaved)
ds_get_next_pts(d_dvdsub);
}
if (sub_clear_text(&subs, curpts))
set_osd_subtitle(&subs);
}
if (vo_spudec) {
spudec_heartbeat(vo_spudec, 90000*curpts);
if (spudec_changed(vo_spudec))
vo_osd_changed(OSDTYPE_SPU);
}
current_module=NULL;
}
void update_subtitles(sh_video_t *sh_video, demux_stream_t *d_dvdsub, int reset)
{
unsigned char *packet=NULL;
int len;
char type = d_dvdsub->sh ? ((sh_sub_t *)d_dvdsub->sh)->type : 'v';
static subtitle subs;
if (type == 'a')
#ifdef USE_ASS
if (!ass_enabled)
#endif
type = 't';
if (reset) {
sub_clear_text(&subs, MP_NOPTS_VALUE);
if (vo_sub) {
vo_sub = NULL;
vo_osd_changed(OSDTYPE_SUBTITLE);
}
if (vo_spudec) {
spudec_reset(vo_spudec);
vo_osd_changed(OSDTYPE_SPU);
}
}
// find sub
if (subdata) {
double pts = sh_video->pts;
if (sub_fps==0) sub_fps = sh_video->fps;
current_module = "find_sub";
if (pts > sub_last_pts || pts < sub_last_pts-1.0) {
find_sub(subdata, (pts+sub_delay) *
(subdata->sub_uses_time ? 100. : sub_fps));
if (vo_sub) vo_sub_last = vo_sub;
// FIXME! frame counter...
sub_last_pts = pts;
}
}
// DVD sub:
if (vo_config_count && vo_spudec && type == 'v') {
int timestamp;
current_module = "spudec";
spudec_heartbeat(vo_spudec, 90000*sh_video->timer);
/* Get a sub packet from the DVD or a vobsub and make a timestamp
* relative to sh_video->timer */
while(1) {
// Vobsub
len = 0;
if (vo_vobsub) {
if (sh_video->pts+sub_delay >= 0) {
len = vobsub_get_packet(vo_vobsub, sh_video->pts+sub_delay,
(void**)&packet, ×tamp);
if (len > 0) {
timestamp -= (sh_video->pts + sub_delay - sh_video->timer)*90000;
mp_dbg(MSGT_CPLAYER,MSGL_V,"\rVOB sub: len=%d v_pts=%5.3f v_timer=%5.3f sub=%5.3f ts=%d \n",len,sh_video->pts,sh_video->timer,timestamp / 90000.0,timestamp);
}
}
} else {
// DVD sub
len = ds_get_packet_sub(d_dvdsub, (unsigned char**)&packet);
if (len > 0) {
// XXX This is wrong, sh_video->pts can be arbitrarily
// much behind demuxing position. Unfortunately using
// d_video->pts which would have been the simplest
// improvement doesn't work because mpeg specific hacks
// in video.c set d_video->pts to 0.
float x = d_dvdsub->pts - sh_video->pts;
if (x > -20 && x < 20) // prevent missing subs on pts reset
timestamp = 90000*(sh_video->timer + d_dvdsub->pts
+ sub_delay - sh_video->pts);
else timestamp = 90000*(sh_video->timer + sub_delay);
mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d "
"v_pts=%5.3f s_pts=%5.3f ts=%d \n", len,
sh_video->pts, d_dvdsub->pts, timestamp);
}
}
if (len<=0 || !packet) break;
if (timestamp >= 0)
spudec_assemble(vo_spudec, packet, len, timestamp);
}
if (spudec_changed(vo_spudec))
vo_osd_changed(OSDTYPE_SPU);
} else if (dvdsub_id >= 0 && type == 't') {
double curpts = sh_video->pts + sub_delay;
double endpts;
vo_sub = &subs;
while (d_dvdsub->first) {
double pts = ds_get_next_pts(d_dvdsub);
if (pts > curpts)
break;
endpts = d_dvdsub->first->endpts;
len = ds_get_packet_sub(d_dvdsub, &packet);
#ifdef USE_ASS
if (ass_enabled) {
static ass_track_t *global_ass_track = NULL;
if (!global_ass_track) global_ass_track = ass_default_track(ass_library);
ass_track = global_ass_track;
vo_sub = NULL;
if (pts != MP_NOPTS_VALUE) {
if (endpts == MP_NOPTS_VALUE) endpts = pts + 3;
sub_clear_text(&subs, MP_NOPTS_VALUE);
sub_add_text(&subs, packet, len, endpts);
subs.start = pts * 100;
subs.end = endpts * 100;
ass_process_subtitle(ass_track, &subs);
}
} else
#endif
if (pts != MP_NOPTS_VALUE) {
if (endpts == MP_NOPTS_VALUE)
sub_clear_text(&subs, MP_NOPTS_VALUE);
sub_add_text(&subs, packet, len, endpts);
vo_osd_changed(OSDTYPE_SUBTITLE);
}
}
if (sub_clear_text(&subs, curpts))
vo_osd_changed(OSDTYPE_SUBTITLE);
}
current_module=NULL;
}
/*
* This callback called when we receive incoming NOTIFY request.
*/
static void on_notify_request(pjsip_transaction *tsx, pjsip_rx_data *rdata)
{
pjsip_event_sub *sub;
pjsip_tx_data *tdata;
int status = 200;
int old_state;
pj_str_t reason = { NULL, 0 };
pj_str_t reason_phrase = { NULL, 0 };
int new_state = PJSIP_EVENT_SUB_STATE_NULL;
/* Find subscription based on Call-ID and From tag.
* This will also automatically lock the subscription, if it's found.
*/
sub = find_sub(rdata);
if (!sub) {
/* RFC 3265: Section 3.2 Description of NOTIFY Behavior:
* Answer with 481 Subscription does not exist.
*/
PJ_LOG(4,(THIS_FILE, "Unable to find subscription for incoming NOTIFY!"));
status = 481;
reason_phrase = pj_str("Subscription does not exist");
} else {
pj_assert(sub->role == PJSIP_ROLE_UAC);
PJ_LOG(4,(THIS_FILE, "event_sub%p (%s): received NOTIFY",
sub, state[sub->state].ptr));
}
new_state = old_state = sub->state;
/* RFC 3265: Section 3.2.1
* Check that the Event header match the subscription.
*/
if (status == 200) {
pjsip_event_hdr *hdr;
pj_str_t hname = { "Event", 5 };
hdr = pjsip_msg_find_hdr_by_name(rdata->msg, &hname, NULL);
if (!hdr) {
status = PJSIP_SC_BAD_REQUEST;
reason_phrase = pj_str("No Event header found");
} else if (pj_stricmp(&hdr->event_type, &sub->event->event_type) != 0 ||
pj_stricmp(&hdr->id_param, &sub->event->id_param) != 0)
{
status = 481;
reason_phrase = pj_str("Subscription does not exist");
}
}
/* Update subscription state and timer. */
if (status == 200) {
pjsip_sub_state_hdr *hdr;
const pj_str_t hname = { "Subscription-State", 18 };
const pj_str_t state_active = { "active", 6 },
state_pending = { "pending", 7},
state_terminated = { "terminated", 10 };
hdr = pjsip_msg_find_hdr_by_name( rdata->msg, &hname, NULL);
if (!hdr) {
status = PJSIP_SC_BAD_REQUEST;
reason_phrase = pj_str("No Subscription-State header found");
goto process;
}
/*
* Update subscription state.
*/
if (pj_stricmp(&hdr->sub_state, &state_active) == 0) {
if (sub->state != PJSIP_EVENT_SUB_STATE_TERMINATED)
new_state = PJSIP_EVENT_SUB_STATE_ACTIVE;
} else if (pj_stricmp(&hdr->sub_state, &state_pending) == 0) {
if (sub->state != PJSIP_EVENT_SUB_STATE_TERMINATED)
new_state = PJSIP_EVENT_SUB_STATE_PENDING;
} else if (pj_stricmp(&hdr->sub_state, &state_terminated) == 0) {
new_state = PJSIP_EVENT_SUB_STATE_TERMINATED;
} else {
new_state = PJSIP_EVENT_SUB_STATE_UNKNOWN;
}
reason = hdr->reason_param;
if (new_state != sub->state && new_state != PJSIP_EVENT_SUB_STATE_NULL &&
sub->state != PJSIP_EVENT_SUB_STATE_TERMINATED)
{
sub_set_state(sub, new_state);
if (new_state == PJSIP_EVENT_SUB_STATE_UNKNOWN) {
pj_strdup_with_null(sub->pool, &sub->state_str, &hdr->sub_state);
} else {
sub->state_str = state[new_state];
}
}
/*
* Update timeout timer in required, just in case notifier changed the
* expiration to shorter time.
* Section 3.2.2: the expires param can only shorten the interval.
*/
if ((sub->state==PJSIP_EVENT_SUB_STATE_ACTIVE ||
sub->state==PJSIP_EVENT_SUB_STATE_PENDING) && hdr->expires_param > 0)
{
pj_time_val now, new_expiry;
pj_gettimeofday(&now);
new_expiry.sec = now.sec + hdr->expires_param;
if (sub->timer.id==0 ||
new_expiry.sec < sub->expiry_time.sec-SECONDS_BEFORE_EXPIRY/2)
{
update_next_refresh(sub, hdr->expires_param);
}
}
}
process:
/* Note: here we sub MAY BE NULL! */
/* Send response to NOTIFY */
tdata = pjsip_endpt_create_response( tsx->endpt, rdata, status );
if (tdata) {
if (reason_phrase.slen)
tdata->msg->line.status.reason = reason_phrase;
if (PJSIP_IS_STATUS_IN_CLASS(status,200)) {
pjsip_hdr *hdr;
hdr = pjsip_hdr_shallow_clone(tdata->pool, mgr.allow_events);
pjsip_msg_add_hdr( tdata->msg, hdr);
}
pjsip_tsx_on_tx_msg(tsx, tdata);
}
/* Call NOTIFY callback, if any. */
if (sub && PJSIP_IS_STATUS_IN_CLASS(status,200) && sub->cb.on_received_notify) {
sub->pending_tsx++;
(*sub->cb.on_received_notify)(sub, rdata);
sub->pending_tsx--;
}
/* Check if subscription is terminated and call callback. */
if (sub && new_state!=old_state && new_state==PJSIP_EVENT_SUB_STATE_TERMINATED) {
if (sub->cb.on_sub_terminated) {
sub->pending_tsx++;
(*sub->cb.on_sub_terminated)(sub, &reason);
sub->pending_tsx--;
}
}
/* Check if application has requested deletion. */
if (sub && sub->delete_flag && sub->pending_tsx <= 0) {
pjsip_event_sub_destroy(sub);
} else if (sub) {
pj_mutex_unlock(sub->mutex);
}
}
