void RP_ConfirmChannelConnect(RTPStream *ch, GF_Err e)
{
GF_NetworkCommand com;
/*in case the channel has been disconnected while SETUP was issued&processed. We also could
clean up the command stack*/
if (!ch->channel) return;
gf_service_connect_ack(ch->owner->service, ch->channel, e);
if (e != GF_OK || !ch->rtp_ch) return;
/*success, overwrite SL config*/
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = GF_NET_CHAN_RECONFIG;
com.base.on_channel = ch->channel;
gf_rtp_depacketizer_get_slconfig(ch->depacketizer, &com.cfg.sl_config);
/*reconfig*/
gf_service_command(ch->owner->service, &com, GF_OK);
/*ISMACryp config*/
if (ch->depacketizer->flags & GF_RTP_HAS_ISMACRYP) {
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.on_channel = ch->channel;
com.command_type = GF_NET_CHAN_DRM_CFG;
com.drm_cfg.scheme_type = ch->depacketizer->isma_scheme;
com.drm_cfg.scheme_version = 1;
/*not transported in SDP!!!*/
com.drm_cfg.scheme_uri = NULL;
com.drm_cfg.kms_uri = ch->depacketizer->key;
gf_service_command(ch->owner->service, &com, GF_OK);
}
}
void isor_send_cenc_config(ISOMChannel *ch)
{
GF_NetworkCommand com;
u32 i;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.on_channel = ch->channel;
com.command_type = GF_NET_CHAN_DRM_CFG;
ch->is_encrypted = GF_TRUE;
gf_isom_get_cenc_info(ch->owner->mov, ch->track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, NULL);
com.drm_cfg.PSSH_count = gf_isom_get_pssh_count(ch->owner->mov);
com.drm_cfg.PSSHs = gf_malloc(sizeof(GF_NetComDRMConfigPSSH)*(com.drm_cfg.PSSH_count) );
/*fill PSSH in the structure. We will free it in CENC_Setup*/
for (i=0; i<com.drm_cfg.PSSH_count; i++) {
GF_NetComDRMConfigPSSH *pssh = &com.drm_cfg.PSSHs[i];
gf_isom_get_pssh_info(ch->owner->mov, i+1, pssh->SystemID, &pssh->KID_count, (const bin128 **) & pssh->KIDs, (const u8 **) &pssh->private_data, &pssh->private_data_size);
}
//fixme - check MSE and EME
#if 0
if (read->input->query_proxy && read->input->proxy_udta) {
read->input->query_proxy(read->input, &com);
} else
#endif
gf_service_command(ch->owner->service, &com, GF_OK);
//free our PSSH
if (com.drm_cfg.PSSHs) gf_free(com.drm_cfg.PSSHs);
}
void RP_SendMessage(GF_ClientService *service, GF_Err e, const char *message)
{
GF_NetworkCommand com;
memset(&com, 0, sizeof(com));
com.command_type = GF_NET_SERVICE_EVENT;
com.send_event.evt.type = GF_EVENT_MESSAGE;
com.send_event.evt.message.message = message;
com.send_event.evt.message.error = e;
gf_service_command(service, &com, GF_OK);
}
u32 RP_Thread(void *param)
{
u32 i;
GF_NetworkCommand com;
RTSPSession *sess;
RTPStream *ch;
RTPClient *rtp = (RTPClient *)param;
rtp->th_state = 1;
com.command_type = GF_NET_CHAN_BUFFER_QUERY;
while (rtp->th_state) {
gf_mx_p(rtp->mx);
/*fecth data on udp*/
i=0;
while ((ch = (RTPStream *)gf_list_enum(rtp->channels, &i))) {
if ((ch->flags & RTP_EOS) || (ch->status!=RTP_Running) ) continue;
/*for interleaved channels don't read too fast, query the buffer occupancy*/
if (ch->flags & RTP_INTERLEAVED) {
com.base.on_channel = ch->channel;
gf_service_command(rtp->service, &com, GF_OK);
/*if no buffering, use a default value (3 sec of data should do it)*/
if (!com.buffer.max) com.buffer.max = 3000;
if (com.buffer.occupancy <= com.buffer.max) ch->rtsp->flags |= RTSP_TCP_FLUSH;
} else {
RP_ReadStream(ch);
}
}
/*and process commands / flush TCP*/
i=0;
while ((sess = (RTSPSession *)gf_list_enum(rtp->sessions, &i))) {
RP_ProcessCommands(sess);
if (sess->connect_error) {
gf_service_connect_ack(sess->owner->service, NULL, sess->connect_error);
sess->connect_error = 0;
}
}
gf_mx_v(rtp->mx);
gf_sleep(1);
}
if (rtp->dnload) gf_service_download_del(rtp->dnload);
rtp->dnload = NULL;
rtp->th_state = 2;
return 0;
}
static void AC3_RegulateDataRate(AC3Reader *read)
{
GF_NetworkCommand com;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = GF_NET_CHAN_BUFFER_QUERY;
com.base.on_channel = read->ch;
while (read->ch) {
gf_service_command(read->service, &com, GF_OK);
if (com.buffer.occupancy < com.buffer.max) break;
gf_sleep(2);
}
}
static void SAF_Regulate(SAFIn *read)
{
GF_NetworkCommand com;
SAFChannel *ch;
com.command_type = GF_NET_CHAN_BUFFER_QUERY;
/*sleep untill the buffer occupancy is too low - note that this work because all streams in this
demuxer are synchronized*/
while (read->run_state) {
u32 min_occ = (u32) -1;
u32 i=0;
while ( (ch = (SAFChannel *)gf_list_enum(read->channels, &i))) {
com.base.on_channel = ch->ch;
gf_service_command(read->service, &com, GF_OK);
if (com.buffer.occupancy < ch->buffer_min) return;
if (com.buffer.occupancy) min_occ = MIN(min_occ, com.buffer.occupancy - ch->buffer_min);
}
if (min_occ == (u32) -1) break;
GF_LOG(GF_LOG_DEBUG, GF_LOG_MODULE, ("[SAF] Regulating SAF demux - sleeping for %d ms\n", min_occ));
gf_sleep(min_occ);
}
}
static GF_Err MPD_ClientQuery(GF_InputService *ifce, GF_NetworkCommand *param)
{
u32 i;
GF_Err e;
GF_MPD_In *mpdin = (GF_MPD_In *) ifce->proxy_udta;
if (!param || !ifce || !ifce->proxy_udta) return GF_BAD_PARAM;
mpdin->in_seek = 0;
/*gets byte range of init segment (for local validation)*/
if (param->command_type==GF_NET_SERVICE_QUERY_INIT_RANGE) {
param->url_query.next_url = NULL;
param->url_query.start_range = 0;
param->url_query.end_range = 0;
for (i=0; i<gf_dash_get_group_count(mpdin->dash); i++) {
GF_MPDGroup *group;
if (!gf_dash_is_group_selectable(mpdin->dash, i)) continue;
group = gf_dash_get_group_udta(mpdin->dash, i);
if (group->segment_ifce == ifce) {
gf_dash_group_get_segment_init_url(mpdin->dash, i, ¶m->url_query.start_range, ¶m->url_query.end_range);
param->url_query.current_download = 0;
return GF_OK;
}
}
return GF_SERVICE_ERROR;
}
/*gets URL and byte range of next segment - if needed, adds bitstream switching segment info*/
if (param->command_type==GF_NET_SERVICE_QUERY_NEXT) {
Bool group_done;
u32 nb_segments_cached;
u32 group_idx=0;
GF_MPDGroup *group=NULL;
const char *src_url;
Bool discard_first_cache_entry = param->url_query.drop_first_segment;
Bool check_current_download = param->url_query.current_download;
u32 timer = gf_sys_clock();
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] Received Service Query Next request from input service %s\n", ifce->module_name));
param->url_query.current_download = 0;
param->url_query.discontinuity_type = 0;
for (i=0; i<gf_dash_get_group_count(mpdin->dash); i++) {
if (!gf_dash_is_group_selected(mpdin->dash, i)) continue;
group = gf_dash_get_group_udta(mpdin->dash, i);
if (group->segment_ifce == ifce) {
group_idx = i;
break;
}
group=NULL;
}
if (!group) {
return GF_SERVICE_ERROR;
}
if (group->in_seek) {
group->in_seek = 0;
param->url_query.discontinuity_type = 2;
discard_first_cache_entry = 0;
}
//update group idx
if (group->idx != group_idx) {
group->idx = group_idx;
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] New AdaptationSet detected after MPD update ?\n"));
}
if (discard_first_cache_entry) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] Discarding first segment in cache\n"));
gf_dash_group_discard_segment(mpdin->dash, group_idx);
}
while (gf_dash_is_running(mpdin->dash) ) {
group_done=0;
nb_segments_cached = gf_dash_group_get_num_segments_ready(mpdin->dash, group_idx, &group_done);
if (nb_segments_cached>=1)
break;
if (group_done) {
if (!gf_dash_get_period_switch_status(mpdin->dash) && !gf_dash_in_last_period(mpdin->dash) ) {
GF_NetworkCommand com;
param->url_query.in_end_of_period = 1;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = GF_NET_BUFFER_QUERY;
if (gf_dash_get_period_switch_status(mpdin->dash) != 1) {
gf_service_command(mpdin->service, &com, GF_OK);
//we only switch period once no more data is in our buffers
if (!com.buffer.occupancy) {
param->url_query.in_end_of_period = 0;
gf_dash_request_period_switch(mpdin->dash);
}
}
if (param->url_query.in_end_of_period)
return GF_BUFFER_TOO_SMALL;
} else {
return GF_EOS;
}
}
if (check_current_download && mpdin->use_low_latency) {
Bool is_switched=GF_FALSE;
gf_dash_group_probe_current_download_segment_location(mpdin->dash, group_idx, ¶m->url_query.next_url, NULL, ¶m->url_query.next_url_init_or_switch_segment, &src_url, &is_switched);
if (param->url_query.next_url) {
param->url_query.current_download = 1;
param->url_query.has_new_data = group->has_new_data;
param->url_query.discontinuity_type = is_switched ? 1 : 0;
if (gf_dash_group_loop_detected(mpdin->dash, group_idx))
param->url_query.discontinuity_type = 2;
group->has_new_data = 0;
return GF_OK;
}
return GF_BUFFER_TOO_SMALL;
}
return GF_BUFFER_TOO_SMALL;
}
param->url_query.current_download = 0;
nb_segments_cached = gf_dash_group_get_num_segments_ready(mpdin->dash, group_idx, &group_done);
if (nb_segments_cached < 1) {
GF_LOG(GF_LOG_INFO, GF_LOG_DASH, ("[MPD_IN] No more file in cache, EOS\n"));
return GF_EOS;
} else {
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] Had to wait for %u ms for the only cache file to be downloaded\n", (gf_sys_clock() - timer)));
}
e = gf_dash_group_get_next_segment_location(mpdin->dash, group_idx, param->url_query.dependent_representation_index, ¶m->url_query.next_url, ¶m->url_query.start_range, ¶m->url_query.end_range,
NULL, ¶m->url_query.next_url_init_or_switch_segment, ¶m->url_query.switch_start_range , ¶m->url_query.switch_end_range,
&src_url, ¶m->url_query.has_next);
if (e)
return e;
if (gf_dash_group_loop_detected(mpdin->dash, group_idx))
param->url_query.discontinuity_type = 2;
#ifndef GPAC_DISABLE_LOG
{
u32 timer2 = gf_sys_clock() - timer ;
if (timer2 > 1000) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] Waiting for download to end took a long time : %u ms\n", timer2));
}
if (param->url_query.end_range) {
GF_LOG(GF_LOG_INFO, GF_LOG_DASH, ("[MPD_IN] Next Segment is %s bytes "LLD"-"LLD"\n", src_url, param->url_query.start_range, param->url_query.end_range));
} else {
GF_LOG(GF_LOG_INFO, GF_LOG_DASH, ("[MPD_IN] Next Segment is %s\n", src_url));
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] Waited %d ms - Elements in cache: %u/%u\n\tCache file name %s\n\tsegment start time %g sec\n", timer2, gf_dash_group_get_num_segments_ready(mpdin->dash, group_idx, &group_done), gf_dash_group_get_max_segments_in_cache(mpdin->dash, group_idx), param->url_query.next_url, gf_dash_group_current_segment_start_time(mpdin->dash, group_idx) ));
}
#endif
}
return GF_OK;
}
void mpdin_data_packet(GF_ClientService *service, LPNETCHANNEL ns, char *data, u32 data_size, GF_SLHeader *hdr, GF_Err reception_status)
{
s32 i;
GF_MPD_In *mpdin = (GF_MPD_In*) service->ifce->priv;
GF_Channel *ch;
GF_MPDGroup *group;
Bool do_map_time = 0;
if (!ns || !hdr) {
mpdin->fn_data_packet(service, ns, data, data_size, hdr, reception_status);
return;
}
ch = (GF_Channel *) ns;
assert(ch->odm && ch->odm->OD);
i = gf_dash_get_group_idx_from_service(mpdin, (GF_InputService *) ch->odm->OD->service_ifce);
if (i<0) {
mpdin->fn_data_packet(service, ns, data, data_size, hdr, reception_status);
return;
}
group = gf_dash_get_group_udta(mpdin->dash, i);
//if sync is based on timestamps do not adjust the timestamps back
if (! group->is_timestamp_based) {
if (!group->pto_setup) {
Double scale;
s64 start, dur;
u64 pto;
gf_dash_group_get_presentation_time_offset(mpdin->dash, i, &pto, &group->timescale);
group->pto = (s64) pto;
group->pto_setup = 1;
if (group->timescale && (group->timescale != ch->esd->slConfig->timestampResolution)) {
group->pto *= ch->esd->slConfig->timestampResolution;
group->pto /= group->timescale;
}
scale = ch->esd->slConfig->timestampResolution;
scale /= 1000;
dur = (u64) (scale * gf_dash_get_period_duration(mpdin->dash) );
if (dur) {
group->max_cts_in_period = group->pto + dur;
} else {
group->max_cts_in_period = 0;
}
start = (u64) (scale * gf_dash_get_period_start(mpdin->dash) );
group->pto -= start;
}
//filter any packet outside the current period
if (group->max_cts_in_period && (s64) hdr->compositionTimeStamp > group->max_cts_in_period) {
GF_LOG(GF_LOG_WARNING, GF_LOG_DASH, ("[DASH] Packet timestamp "LLU" larger than max CTS in period "LLU" - skipping\n", hdr->compositionTimeStamp, group->max_cts_in_period));
return;
}
//remap timestamps to our timeline
if ((s64) hdr->decodingTimeStamp >= group->pto)
hdr->decodingTimeStamp -= group->pto;
else {
GF_LOG(GF_LOG_WARNING, GF_LOG_DASH, ("[DASH] Packet DTS "LLU" less than PTO "LLU" - forcing CTS to 0\n", hdr->compositionTimeStamp, group->pto));
hdr->decodingTimeStamp = 0;
}
if ((s64) hdr->compositionTimeStamp >= group->pto)
hdr->compositionTimeStamp -= group->pto;
else {
GF_LOG(GF_LOG_WARNING, GF_LOG_DASH, ("[DASH] Packet CTS "LLU" less than PTO "LLU" - forcing CTS to 0\n", hdr->compositionTimeStamp, group->pto));
hdr->compositionTimeStamp = 0;
}
} else if (!group->pto_setup) {
do_map_time = 1;
group->pto_setup = 1;
}
mpdin->fn_data_packet(service, ns, data, data_size, hdr, reception_status);
if (do_map_time) {
GF_NetworkCommand com;
memset(&com, 0, sizeof(com));
com.command_type = GF_NET_CHAN_SET_MEDIA_TIME;
com.map_time.media_time = mpdin->media_start_range;
com.map_time.timestamp = hdr->compositionTimeStamp;
com.base.on_channel = ns;
gf_service_command(service, &com, GF_OK);
}
}
static GF_Err AC3_ServiceCommand(GF_InputService *plug, GF_NetworkCommand *com)
{
AC3Reader *read = plug->priv;
if (com->base.command_type==GF_NET_SERVICE_INFO) {
com->info.name = read->icy_track_name ? read->icy_track_name : read->icy_name;
com->info.comment = read->icy_genre;
return GF_OK;
}
if (!com->base.on_channel) {
/*if live session we may cache*/
if (read->is_live && (com->command_type==GF_NET_IS_CACHABLE)) return GF_OK;
return GF_NOT_SUPPORTED;
}
switch (com->command_type) {
case GF_NET_CHAN_SET_PULL:
if ((read->ch == com->base.on_channel) && read->is_live) return GF_NOT_SUPPORTED;
return GF_OK;
case GF_NET_CHAN_INTERACTIVE:
if ((read->ch == com->base.on_channel) && read->is_live) return GF_NOT_SUPPORTED;
return GF_OK;
case GF_NET_CHAN_BUFFER:
if ((read->ch == com->base.on_channel) && read->is_live) {
if (com->buffer.max<1000) com->buffer.max = 1000;
com->buffer.min = com->buffer.max/2;
}
return GF_OK;
case GF_NET_CHAN_SET_PADDING:
read->pad_bytes = com->pad.padding_bytes;
return GF_OK;
case GF_NET_CHAN_DURATION:
com->duration.duration = read->duration;
com->duration.duration /= read->sample_rate;
return GF_OK;
case GF_NET_CHAN_PLAY:
read->start_range = com->play.start_range;
read->end_range = com->play.end_range;
read->current_time = 0;
if (read->stream) gf_f64_seek(read->stream, 0, SEEK_SET);
if (read->ch == com->base.on_channel) {
read->done = 0;
/*PLAY after complete download, estimate duration*/
if (!read->is_remote && !read->duration) {
AC3_ConfigureFromFile(read);
if (read->duration) {
GF_NetworkCommand rcfg;
rcfg.base.on_channel = read->ch;
rcfg.base.command_type = GF_NET_CHAN_DURATION;
rcfg.duration.duration = read->duration;
rcfg.duration.duration /= read->sample_rate;
gf_service_command(read->service, &rcfg, GF_OK);
}
}
}
return GF_OK;
case GF_NET_CHAN_STOP:
return GF_OK;
default:
return GF_OK;
}
}
void AC3_NetIO(void *cbk, GF_NETIO_Parameter *param)
{
GF_Err e;
const char *szCache;
u32 total_size, bytes_done;
AC3Reader *read = (AC3Reader *) cbk;
e = param->error;
/*done*/
if (param->msg_type==GF_NETIO_DATA_TRANSFERED) {
if (read->stream) {
read->is_remote = 0;
e = GF_EOS;
} else if (!read->needs_connection) {
return;
}
} else if (param->msg_type==GF_NETIO_PARSE_HEADER) {
if (!strcmp(param->name, "icy-name")) {
if (read->icy_name) gf_free(read->icy_name);
read->icy_name = gf_strdup(param->value);
}
if (!strcmp(param->name, "icy-genre")) {
if (read->icy_genre) gf_free(read->icy_genre);
read->icy_genre = gf_strdup(param->value);
}
if (!strcmp(param->name, "icy-meta")) {
GF_NetworkCommand com;
char *meta;
if (read->icy_track_name) gf_free(read->icy_track_name);
read->icy_track_name = NULL;
meta = param->value;
while (meta && meta[0]) {
char *sep = strchr(meta, ';');
if (sep) sep[0] = 0;
if (!strnicmp(meta, "StreamTitle=", 12)) {
read->icy_track_name = gf_strdup(meta+12);
}
if (!sep) break;
sep[0] = ';';
meta = sep+1;
}
com.base.command_type = GF_NET_SERVICE_INFO;
gf_service_command(read->service, &com, GF_OK);
}
return;
} else {
/*handle service message*/
gf_service_download_update_stats(read->dnload);
if (param->msg_type!=GF_NETIO_DATA_EXCHANGE) return;
}
/*data fetching or EOS*/
if (e >= GF_OK) {
if (read->needs_connection) {
gf_dm_sess_get_stats(read->dnload, NULL, NULL, &total_size, NULL, NULL, NULL);
if (!total_size) read->is_live = 1;
}
if (read->is_live) {
if (!e) AC3_OnLiveData(read, param->data, param->size);
return;
}
if (read->stream) return;
/*open service*/
szCache = gf_dm_sess_get_cache_name(read->dnload);
if (!szCache) e = GF_IO_ERR;
else {
read->stream = gf_f64_open((char *) szCache, "rb");
if (!read->stream) e = GF_SERVICE_ERROR;
else {
/*if full file at once (in cache) parse duration*/
if (e==GF_EOS) read->is_remote = 0;
e = GF_OK;
/*not enough data*/
if (!AC3_ConfigureFromFile(read)) {
/*get amount downloaded and check*/
gf_dm_sess_get_stats(read->dnload, NULL, NULL, NULL, &bytes_done, NULL, NULL);
if (bytes_done>10*1024) {
e = GF_CORRUPTED_DATA;
} else {
fclose(read->stream);
read->stream = NULL;
return;
}
}
}
}
}
/*OK confirm*/
if (read->needs_connection) {
read->needs_connection = 0;
gf_service_connect_ack(read->service, NULL, e);
if (!e) AC3_SetupObject(read);
}
}
static void gf_rtp_switch_quality(RTPClient *rtp, Bool switch_up)
{
u32 i,count;
RTPStream *ch, *cur_ch;
GF_NetworkCommand com;
count = gf_list_count(rtp->channels);
/*find the current stream*/
ch = cur_ch = NULL;
for (i = 0; i < count; i++) {
cur_ch = (RTPStream *) gf_list_get(rtp->channels, i);
if (cur_ch->mid != rtp->cur_mid) {
cur_ch=NULL;
continue;
}
break;
}
if (!cur_ch) return;
if (switch_up)
{
/*this is the highest stream*/
if (!cur_ch->next_stream)
{
cur_ch->status = RTP_Running;
return;
}
else
{
for (i = 0; i < count; i++) {
ch = (RTPStream *) gf_list_get(rtp->channels, i);
if (ch->mid == cur_ch->next_stream)
{
/*resume streaming next channel*/
gf_mx_p(rtp->mx);
RP_InitStream(ch, 0);
gf_mx_v(rtp->mx);
ch->status = RTP_Running;
rtp->cur_mid = ch->mid;
break;
}
}
}
}
else
{
/*this is the lowest stream i.e base layer*/
if (!cur_ch->prev_stream)
{
cur_ch->status = RTP_Running;
return;
}
else
{
for (i = 0; i < count; i++) {
ch = (RTPStream *) gf_list_get(rtp->channels, i);
if (ch->mid == cur_ch->prev_stream)
{
/*stop streaming current channel*/
gf_rtp_stop(cur_ch->rtp_ch);
cur_ch->status = RTP_Connected;
com.command_type = GF_NET_CHAN_RESET;
com.base.on_channel = cur_ch;
gf_service_command(rtp->service, &com, GF_OK);
rtp->cur_mid = ch->mid;
break;
}
}
}
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_CODEC, ("Switch from ES%d to ES %d\n", cur_ch->mid, ch->mid));
return;
}
/* Callback functions used by a media parser when parsing events happens */
GF_Err gf_mse_proxy(GF_InputService *parser, GF_NetworkCommand *command)
{
if (!parser || !command || !parser->proxy_udta) {
return GF_BAD_PARAM;
} else {
GF_HTML_SourceBuffer *sb = (GF_HTML_SourceBuffer *)parser->proxy_udta;
switch (command->command_type) {
case GF_NET_SERVICE_QUERY_INIT_RANGE:
break;
case GF_NET_SERVICE_QUERY_NEXT:
/* The parser is asking for the next media segment in the buffer,
check for the media time and give the right one */
{
GF_HTML_ArrayBuffer *buffer;
/* The input buffer should not be modified by append operations at the same time, no need to protect access */
buffer = (GF_HTML_ArrayBuffer *)gf_list_get(sb->input_buffer, 0);
if (buffer) {
command->url_query.discontinuity_type = 0;
command->url_query.current_download = GF_FALSE;
command->url_query.start_range = 0;
command->url_query.end_range = 0;
command->url_query.switch_start_range = 0;
command->url_query.switch_end_range = 0;
command->url_query.next_url_init_or_switch_segment = NULL;
if (buffer->is_init) {
GF_HTML_ArrayBuffer *next = (GF_HTML_ArrayBuffer *)gf_list_get(sb->input_buffer, 1);
command->url_query.discontinuity_type = 1;
if (next) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MSE] Next segment to parse %s with init \n", next->url, buffer->url));
command->url_query.next_url = next->url;
command->url_query.next_url_init_or_switch_segment = buffer->url;
gf_list_rem(sb->input_buffer, 0);
gf_list_rem(sb->input_buffer, 0);
} else {
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MSE] Only one init segment to parse %s, need to wait\n", buffer->url));
command->url_query.next_url = NULL;
}
} else {
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MSE] Next segment to parse %s\n", buffer->url));
command->url_query.next_url = buffer->url;
gf_list_rem(sb->input_buffer, 0);
}
sb->prev_buffer = buffer;
} else {
command->url_query.next_url = NULL;
command->url_query.discontinuity_type = 0;
}
}
break;
case GF_NET_SERVICE_STATUS_PROXY:
/* The parser is informing the proxy about its status changes:
- new track found
- all tracks parsed
- connect/disconnect
- */
if (command->status.is_add_media) {
if (command->status.desc) {
gf_mse_source_buffer_store_track_desc(sb, (GF_ObjectDescriptor *)command->status.desc);
} else {
/* this is the last add media, we can switch updating to false */
/* the first init segment was correctly processed */
gf_mse_source_buffer_set_update(sb, GF_FALSE);
/* TODO: set active tracks and send addsourcebuffer event */
/* TODO: send media loadedmetadata event */
}
gf_service_declare_media(sb->mediasource->service, command->status.desc, (command->status.desc ? GF_TRUE : GF_FALSE));
}
/* general connection/disconnection messages from the media parser (not track related) */
else if (!command->status.channel) {
/* connection message */
if (!command->status.is_disconnect) {
if (command->status.e == GF_OK) {
/* nothing needs to be done. Setup is done with final add media */
sb->parser_connected = GF_TRUE;
sb->mediasource->durationType = DURATION_INFINITY;
gf_mse_source_buffer_setup_tracks(sb);
} else {
/* wrong first init segment */
/* TODO: fire an error event */
}
gf_service_connect_ack(sb->mediasource->service, command->status.channel, command->status.e);
} else {
gf_service_disconnect_ack(sb->mediasource->service, command->status.channel, command->status.e);
}
}
/* channel (track related) specific connection/disconnection messages from the media parser */
else {
if (!command->status.is_disconnect) {
gf_service_connect_ack(sb->mediasource->service, command->status.channel, command->status.e);
} else {
gf_service_disconnect_ack(sb->mediasource->service, command->status.channel, command->status.e);
}
}
break;
default:
gf_service_command(sb->mediasource->service, command, GF_OK);
break;
}
return GF_OK;
}
}
void RP_ProcessRTP(RTPStream *ch, char *pck, u32 size)
{
GF_NetworkCommand com;
GF_Err e;
GF_RTPHeader hdr;
u32 PayloadStart;
ch->rtp_bytes += size;
/*first decode RTP*/
e = gf_rtp_decode_rtp(ch->rtp_ch, pck, size, &hdr, &PayloadStart);
/*corrupted or NULL data*/
if (e || (PayloadStart >= size)) {
//gf_service_send_packet(ch->owner->service, ch->channel, NULL, 0, NULL, GF_CORRUPTED_DATA);
return;
}
/*if we must notify some timing, do it now. If the channel has no range, this should NEVER be called*/
if (ch->check_rtp_time /*&& gf_rtp_is_active(ch->rtp_ch)*/) {
Double ch_time;
/*it may happen that we still receive packets from a previous "play" request. If this is the case,
filter until we reach the indicated rtptime*/
if (ch->rtp_ch->rtp_time
&& (ch->rtp_ch->rtp_first_SN > hdr.SequenceNumber)
&& (ch->rtp_ch->rtp_time < hdr.TimeStamp)
) {
GF_LOG(GF_LOG_WARNING, GF_LOG_RTP, ("[RTP] Rejecting too early packet (TS %d vs signaled rtp time %d - diff %d ms)\n",
hdr.TimeStamp, ch->rtp_ch->rtp_time, ((hdr.TimeStamp - ch->rtp_ch->rtp_time)*1000) / ch->rtp_ch->TimeScale));
return;
}
ch_time = gf_rtp_get_current_time(ch->rtp_ch);
/*this is the first packet on the channel (no PAUSE)*/
if (ch->check_rtp_time == RTP_SET_TIME_RTP) {
/*Note: in a SEEK with RTSP, the rtp-info time given by the server is
the rtp time of the desired range. But the server may (and should) send from
the previous I frame on video, so the time of the first rtp packet after
a SEEK can actually be less than CurrentStart. We don't drop these
packets in order to see the maximum video. We could drop it, this would mean
wait for next RAP...*/
memset(&com, 0, sizeof(com));
com.command_type = GF_NET_CHAN_MAP_TIME;
com.base.on_channel = ch->channel;
if (ch->rtsp) {
com.map_time.media_time = ch->current_start + ch_time;
} else {
com.map_time.media_time = 0;
}
com.map_time.timestamp = hdr.TimeStamp;
com.map_time.reset_buffers = 0;
gf_service_command(ch->owner->service, &com, GF_OK);
GF_LOG(GF_LOG_INFO, GF_LOG_RTP, ("[RTP] Mapping RTP Time seq %d TS %d Media Time %g - rtp info seq %d TS %d\n",
hdr.SequenceNumber, hdr.TimeStamp, com.map_time.media_time, ch->rtp_ch->rtp_first_SN, ch->rtp_ch->rtp_time
));
/*skip RTCP clock init when RTSP is used*/
if (ch->rtsp) ch->rtcp_init = 1;
// if (ch->depacketizer->payt==GF_RTP_PAYT_H264_AVC) ch->depacketizer->flags |= GF_RTP_AVC_WAIT_RAP;
}
/*this is RESUME on channel, filter packet based on time (darwin seems to send
couple of packet before)
do not fetch if we're below 10 ms or <0, because this means we already have
this packet - as the PAUSE is issued with the RTP currentTime*/
else if (ch_time <= 0.021) {
return;
}
ch->check_rtp_time = RTP_SET_TIME_NONE;
}
gf_rtp_depacketizer_process(ch->depacketizer, &hdr, pck + PayloadStart, size - PayloadStart);
/*last check: signal EOS if we're close to end range in case the server do not send RTCP BYE*/
if ((ch->flags & RTP_HAS_RANGE) && !(ch->flags & RTP_EOS) ) {
/*also check last CTS*/
Double ts = (Double) ((u32) ch->depacketizer->sl_hdr.compositionTimeStamp - hdr.TimeStamp);
ts /= gf_rtp_get_clockrate(ch->rtp_ch);
if (ABSDIFF(ch->range_end, (ts + ch->current_start + gf_rtp_get_current_time(ch->rtp_ch)) ) < 0.2) {
ch->flags |= RTP_EOS;
ch->stat_stop_time = gf_sys_clock();
gf_service_send_packet(ch->owner->service, ch->channel, NULL, 0, NULL, GF_EOS);
}
}
}
GF_Err ISOR_ConnectChannel(GF_InputService *plug, LPNETCHANNEL channel, const char *url, Bool upstream)
{
u32 ESID;
ISOMChannel *ch;
GF_NetworkCommand com;
u32 track;
Bool is_esd_url;
GF_Err e;
ISOMReader *read;
if (!plug || !plug->priv) return GF_SERVICE_ERROR;
read = (ISOMReader *) plug->priv;
track = 0;
ch = NULL;
is_esd_url = GF_FALSE;
e = GF_OK;
if (upstream) {
e = GF_ISOM_INVALID_FILE;
goto exit;
}
if (!read->mov) return GF_SERVICE_ERROR;
if (strstr(url, "ES_ID")) {
sscanf(url, "ES_ID=%ud", &ESID);
} else {
/*handle url like mypath/myfile.mp4#trackID*/
char *track_id = (char *)strrchr(url, '.');
if (track_id) {
track_id = (char *)strchr(url, '#');
if (track_id) track_id ++;
}
is_esd_url = GF_TRUE;
ESID = 0;
/*if only one track ok*/
if (gf_isom_get_track_count(read->mov)==1) ESID = gf_isom_get_track_id(read->mov, 1);
else if (track_id) {
ESID = atoi(track_id);
track = gf_isom_get_track_by_id(read->mov, (u32) ESID);
if (!track) ESID = 0;
}
}
if (!ESID) {
e = GF_NOT_SUPPORTED;
goto exit;
}
/*a channel cannot be open twice, it has to be closed before - NOTE a track is NOT a channel and the user can open
several times the same track as long as a dedicated channel is used*/
ch = isor_get_channel(read, channel);
if (ch) {
e = GF_SERVICE_ERROR;
goto exit;
}
track = gf_isom_get_track_by_id(read->mov, (u32) ESID);
if (!track) {
e = GF_STREAM_NOT_FOUND;
goto exit;
}
GF_SAFEALLOC(ch, ISOMChannel);
ch->owner = read;
ch->channel = channel;
gf_list_add(read->channels, ch);
ch->track = track;
ch->track_id = gf_isom_get_track_id(read->mov, ch->track);
switch (gf_isom_get_media_type(ch->owner->mov, ch->track)) {
case GF_ISOM_MEDIA_OCR:
ch->streamType = GF_STREAM_OCR;
break;
case GF_ISOM_MEDIA_SCENE:
ch->streamType = GF_STREAM_SCENE;
break;
case GF_ISOM_MEDIA_VISUAL:
gf_isom_get_reference(ch->owner->mov, ch->track, GF_ISOM_REF_BASE, 1, &ch->base_track);
ch->next_track = 0;
/*in scalable mode add SPS/PPS in-band*/
ch->nalu_extract_mode = GF_ISOM_NALU_EXTRACT_INBAND_PS_FLAG /*| GF_ISOM_NALU_EXTRACT_ANNEXB_FLAG*/;
gf_isom_set_nalu_extract_mode(ch->owner->mov, ch->track, ch->nalu_extract_mode);
break;
}
ch->has_edit_list = gf_isom_get_edit_list_type(ch->owner->mov, ch->track, &ch->dts_offset) ? GF_TRUE : GF_FALSE;
ch->has_rap = (gf_isom_has_sync_points(ch->owner->mov, ch->track)==1) ? GF_TRUE : GF_FALSE;
ch->time_scale = gf_isom_get_media_timescale(ch->owner->mov, ch->track);
exit:
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_FALSE, e, NULL, channel);
} else {
gf_service_connect_ack(read->service, channel, e);
}
/*if esd url reconfig SL layer*/
if (!e && is_esd_url) {
GF_ESD *esd;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.on_channel = channel;
com.command_type = GF_NET_CHAN_RECONFIG;
esd = gf_isom_get_esd(read->mov, ch->track, 1);
if (esd) {
memcpy(&com.cfg.sl_config, esd->slConfig, sizeof(GF_SLConfig));
gf_odf_desc_del((GF_Descriptor *)esd);
} else {
com.cfg.sl_config.tag = GF_ODF_SLC_TAG;
com.cfg.sl_config.timestampLength = 32;
com.cfg.sl_config.timestampResolution = ch->time_scale;
com.cfg.sl_config.useRandomAccessPointFlag = 1;
}
if (read->input->query_proxy && read->input->proxy_udta) {
read->input->query_proxy(read->input, &com);
} else {
gf_service_command(read->service, &com, GF_OK);
}
}
if (!e && track && gf_isom_is_track_encrypted(read->mov, track)) {
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.on_channel = channel;
com.command_type = GF_NET_CHAN_DRM_CFG;
ch->is_encrypted = GF_TRUE;
if (gf_isom_is_ismacryp_media(read->mov, track, 1)) {
gf_isom_get_ismacryp_info(read->mov, track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, &com.drm_cfg.scheme_uri, &com.drm_cfg.kms_uri, NULL, NULL, NULL);
if (read->input->query_proxy && read->input->proxy_udta) {
read->input->query_proxy(read->input, &com);
} else {
gf_service_command(read->service, &com, GF_OK);
}
} else if (gf_isom_is_omadrm_media(read->mov, track, 1)) {
gf_isom_get_omadrm_info(read->mov, track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, &com.drm_cfg.contentID, &com.drm_cfg.kms_uri, &com.drm_cfg.oma_drm_textual_headers, &com.drm_cfg.oma_drm_textual_headers_len, NULL, &com.drm_cfg.oma_drm_crypt_type, NULL, NULL, NULL);
gf_media_get_file_hash(gf_isom_get_filename(read->mov), com.drm_cfg.hash);
if (read->input->query_proxy && read->input->proxy_udta) {
read->input->query_proxy(read->input, &com);
} else {
gf_service_command(read->service, &com, GF_OK);
}
} else if (gf_isom_is_cenc_media(read->mov, track, 1)) {
ch->is_cenc = GF_TRUE;
isor_send_cenc_config(ch);
}
}
return e;
}
void isor_check_buffer_level(ISOMReader *read)
{
Double dld_time_remaining, mov_rate;
GF_NetworkCommand com;
u32 i, total, done, Bps;
u64 dur;
GF_NetIOStatus status;
Bool do_buffer = GF_FALSE;
if (!read->dnload) return;
if (!read->mov) return;
gf_dm_sess_get_stats(read->dnload, NULL, NULL, &total, &done, &Bps, &status);
if (!Bps) return;
gf_mx_p(read->segment_mutex);
dld_time_remaining = total-done;
dld_time_remaining /= Bps;
//we add 30 seconds to smooth out bitrate variations ..;
dld_time_remaining += 30;
mov_rate = total;
dur = gf_isom_get_duration(read->mov);
if (dur) {
mov_rate /= dur;
mov_rate *= gf_isom_get_timescale(read->mov);
}
for (i=0; i<gf_list_count(read->channels); i++) {
ISOMChannel *ch = gf_list_get(read->channels, i);
Double time_remain_ch = (Double) gf_isom_get_media_duration(read->mov, ch->track);
u32 buffer_level=0;
if (total==done) {
time_remain_ch = 0;
do_buffer = GF_FALSE;
} else if (ch->last_state == GF_EOS) {
time_remain_ch = 0;
do_buffer = GF_TRUE;
} else {
u64 data_offset;
u32 di, sn = ch->sample_num ? ch->sample_num : 1;
GF_ISOSample *samp = gf_isom_get_sample_info(read->mov, ch->track, sn, &di, &data_offset);
if (!samp) continue;
data_offset += samp->dataLength;
//we only send buffer on/off based on remainging playback time in channel
#if 0
//we don't have enough data
if (((data_offset + ch->buffer_min * mov_rate/1000 > done))) {
do_buffer = GF_TRUE;
}
//we have enough buffer
else if ((data_offset + ch->buffer_max * mov_rate/1000 <= done)) {
do_buffer = GF_FALSE;
}
#endif
time_remain_ch -= (samp->DTS + samp->CTS_Offset);
if (time_remain_ch<0) time_remain_ch=0;
gf_isom_sample_del(&samp);
time_remain_ch /= ch->time_scale;
if (time_remain_ch && (time_remain_ch < dld_time_remaining)) {
do_buffer = GF_TRUE;
if (!read->remain_at_buffering_start || (read->remain_at_buffering_start < dld_time_remaining)) {
buffer_level = 0;
read->remain_at_buffering_start = dld_time_remaining;
} else {
buffer_level = (u32) (100 * (read->remain_at_buffering_start - dld_time_remaining) / (read->remain_at_buffering_start - time_remain_ch) );
}
} else {
do_buffer = GF_FALSE;
}
}
if (do_buffer != ch->buffering) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[IsoMedia] Buffering %s at %d: %g sec still to download and %g sec still to play on track %d (movie rate %g - download rate %g kbps)\n", do_buffer ? "on" : "off", gf_sys_clock(), dld_time_remaining , time_remain_ch, ch->track_id, mov_rate*8/1000, Bps*8.0/1000));
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = do_buffer ? GF_NET_CHAN_PAUSE : GF_NET_CHAN_RESUME;
com.buffer.on_channel = ch->channel;
com.buffer.min = ch->buffer_min;
com.buffer.max = ch->buffer_max;
gf_service_command(read->service, &com, GF_OK);
ch->buffering = do_buffer;
read->buffering = do_buffer;
} else if (ch->buffering) {
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = GF_NET_CHAN_BUFFER;
com.buffer.on_channel = ch->channel;
com.buffer.min = ch->buffer_min;
com.buffer.max = ch->buffer_max;
com.buffer.occupancy = buffer_level;
gf_service_command(read->service, &com, GF_OK);
}
}
gf_mx_v(read->segment_mutex);
}
GF_Err mpdin_dash_io_on_dash_event(GF_DASHFileIO *dashio, GF_DASHEventType dash_evt, s32 group_idx, GF_Err error_code)
{
GF_Err e;
u32 i;
GF_MPD_In *mpdin = (GF_MPD_In *)dashio->udta;
if (dash_evt==GF_DASH_EVENT_PERIOD_SETUP_ERROR) {
if (!mpdin->connection_ack_sent) {
mpdin->fn_connect_ack(mpdin->service, NULL, error_code);
mpdin->connection_ack_sent= GF_TRUE;
}
return GF_OK;
}
if (dash_evt==GF_DASH_EVENT_SELECT_GROUPS) {
const char *opt;
//configure buffer in dynamic mode without low latency: we indicate how much the player will buffer
if (gf_dash_is_dynamic_mpd(mpdin->dash) && !mpdin->use_low_latency) {
u32 buffer_ms = 0;
const char *opt = gf_modules_get_option((GF_BaseInterface *)mpdin->plug, "Network", "BufferLength");
if (opt) buffer_ms = atoi(opt);
//use min buffer from MPD
if (mpdin->buffer_mode>=MPDIN_BUFFER_MIN) {
u32 mpd_buffer_ms = gf_dash_get_min_buffer_time(mpdin->dash);
if (mpd_buffer_ms > buffer_ms)
buffer_ms = mpd_buffer_ms;
}
if (buffer_ms) {
gf_dash_set_user_buffer(mpdin->dash, buffer_ms);
}
}
//let the player decide which group to play: we declare everything
//however select the default languague
opt = gf_modules_get_option((GF_BaseInterface *)mpdin->plug, "Systems", "LanguageName");
if (opt)
gf_dash_groups_set_language(mpdin->dash, opt);
return GF_OK;
}
/*for all selected groups, create input service and connect to init/first segment*/
if (dash_evt==GF_DASH_EVENT_CREATE_PLAYBACK) {
/*select input services if possible*/
for (i=0; i<gf_dash_get_group_count(mpdin->dash); i++) {
const char *mime, *init_segment;
//let the player decide which group to play
if (!gf_dash_is_group_selectable(mpdin->dash, i))
continue;
mime = gf_dash_group_get_segment_mime(mpdin->dash, i);
init_segment = gf_dash_group_get_segment_init_url(mpdin->dash, i, NULL, NULL);
e = MPD_LoadMediaService(mpdin, i, mime, init_segment);
if (e != GF_OK) {
gf_dash_group_select(mpdin->dash, i, 0);
} else {
u32 w, h;
/*connect our media service*/
GF_MPDGroup *group = gf_dash_get_group_udta(mpdin->dash, i);
gf_dash_group_get_video_info(mpdin->dash, i, &w, &h);
if (w && h && w>mpdin->width && h>mpdin->height) {
mpdin->width = w;
mpdin->height = h;
}
e = group->segment_ifce->ConnectService(group->segment_ifce, mpdin->service, init_segment);
if (e) {
GF_LOG(GF_LOG_WARNING, GF_LOG_DASH, ("[MPD_IN] Unable to connect input service to %s\n", init_segment));
gf_dash_group_select(mpdin->dash, i, 0);
} else {
group->service_connected = 1;
}
if (mpdin->closed) return GF_OK;
}
}
if (!mpdin->connection_ack_sent) {
mpdin->fn_connect_ack(mpdin->service, NULL, GF_OK);
mpdin->connection_ack_sent=1;
}
//we had a seek outside of the period we were setting up, during period setup !
//request the seek again from the player
if (mpdin->seek_request>=0) {
GF_NetworkCommand com;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = GF_NET_SERVICE_SEEK;
com.play.start_range = mpdin->seek_request;
mpdin->seek_request = 0;
gf_service_command(mpdin->service, &com, GF_OK);
}
return GF_OK;
}
/*for all running services, stop service*/
if (dash_evt==GF_DASH_EVENT_DESTROY_PLAYBACK) {
mpdin->service->subservice_disconnect = 1;
gf_service_disconnect_ack(mpdin->service, NULL, GF_OK);
mpdin->service->subservice_disconnect = 2;
for (i=0; i<gf_dash_get_group_count(mpdin->dash); i++) {
GF_MPDGroup *group = gf_dash_get_group_udta(mpdin->dash, i);
if (!group) continue;
if (group->segment_ifce) {
if (group->service_connected) {
group->segment_ifce->CloseService(group->segment_ifce);
group->service_connected = 0;
}
gf_modules_close_interface((GF_BaseInterface *) group->segment_ifce);
}
gf_free(group);
gf_dash_set_group_udta(mpdin->dash, i, NULL);
}
mpdin->service->subservice_disconnect = 0;
return GF_OK;
}
if (dash_evt==GF_DASH_EVENT_BUFFERING) {
u32 tot, done;
gf_dash_get_buffer_info(mpdin->dash, &tot, &done);
fprintf(stderr, "DASH: Buffering %g%% out of %d ms\n", (100.0*done)/tot, tot);
return GF_OK;
}
if (dash_evt==GF_DASH_EVENT_SEGMENT_AVAILABLE) {
if (group_idx>=0) {
GF_MPDGroup *group = gf_dash_get_group_udta(mpdin->dash, group_idx);
if (group) MPD_NotifyData(group, 0);
}
return GF_OK;
}
if (dash_evt==GF_DASH_EVENT_QUALITY_SWITCH) {
if (group_idx>=0) {
GF_MPDGroup *group = gf_dash_get_group_udta(mpdin->dash, group_idx);
if (group) {
GF_NetworkCommand com;
memset(&com, 0, sizeof(GF_NetworkCommand) );
com.command_type = GF_NET_SERVICE_EVENT;
com.send_event.evt.type = GF_EVENT_QUALITY_SWITCHED;
gf_service_command(mpdin->service, &com, GF_OK);
}
}
return GF_OK;
}
if (dash_evt==GF_DASH_EVENT_TIMESHIFT_OVERFLOW) {
GF_NetworkCommand com;
com.command_type = GF_NET_SERVICE_EVENT;
com.send_event.evt.type = (group_idx>=0) ? GF_EVENT_TIMESHIFT_OVERFLOW : GF_EVENT_TIMESHIFT_UNDERRUN;
gf_service_command(mpdin->service, &com, GF_OK);
}
if (dash_evt==GF_DASH_EVENT_TIMESHIFT_UPDATE) {
GF_NetworkCommand com;
com.command_type = GF_NET_SERVICE_EVENT;
com.send_event.evt.type = GF_EVENT_TIMESHIFT_UPDATE;
gf_service_command(mpdin->service, &com, GF_OK);
}
return GF_OK;
}
GF_Err MPD_ConnectService(GF_InputService *plug, GF_ClientService *serv, const char *url)
{
GF_MPD_In *mpdin = (GF_MPD_In*) plug->priv;
const char *opt;
GF_Err e;
s32 shift_utc_ms, debug_adaptation_set;
u32 max_cache_duration, auto_switch_count, init_timeshift;
Bool use_server_utc;
GF_DASHInitialSelectionMode first_select_mode;
Bool keep_files, disable_switching;
GF_LOG(GF_LOG_DEBUG, GF_LOG_DASH, ("[MPD_IN] Received Service Connection request (%p) from terminal for %s\n", serv, url));
if (!mpdin || !serv || !url)
return GF_BAD_PARAM;
mpdin->service = serv;
mpdin->seek_request = -1;
mpdin->dash_io.udta = mpdin;
mpdin->dash_io.delete_cache_file = mpdin_dash_io_delete_cache_file;
mpdin->dash_io.create = mpdin_dash_io_create;
mpdin->dash_io.del = mpdin_dash_io_del;
mpdin->dash_io.abort = mpdin_dash_io_abort;
mpdin->dash_io.setup_from_url = mpdin_dash_io_setup_from_url;
mpdin->dash_io.set_range = mpdin_dash_io_set_range;
mpdin->dash_io.init = mpdin_dash_io_init;
mpdin->dash_io.run = mpdin_dash_io_run;
mpdin->dash_io.get_url = mpdin_dash_io_get_url;
mpdin->dash_io.get_cache_name = mpdin_dash_io_get_cache_name;
mpdin->dash_io.get_mime = mpdin_dash_io_get_mime;
mpdin->dash_io.get_header_value = mpdin_dash_io_get_header_value;
mpdin->dash_io.get_utc_start_time = mpdin_dash_io_get_utc_start_time;
mpdin->dash_io.get_bytes_per_sec = mpdin_dash_io_get_bytes_per_sec;
mpdin->dash_io.get_total_size = mpdin_dash_io_get_total_size;
mpdin->dash_io.get_bytes_done = mpdin_dash_io_get_bytes_done;
mpdin->dash_io.on_dash_event = mpdin_dash_io_on_dash_event;
max_cache_duration = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "Network", "BufferLength");
if (opt) max_cache_duration = atoi(opt);
auto_switch_count = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "AutoSwitchCount");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "AutoSwitchCount", "0");
if (opt) auto_switch_count = atoi(opt);
keep_files = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "KeepFiles");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "KeepFiles", "no");
if (opt && !strcmp(opt, "yes")) keep_files = 1;
disable_switching = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "DisableSwitching");
if (opt && !strcmp(opt, "yes")) disable_switching = 1;
first_select_mode = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "StartRepresentation");
if (!opt) {
gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "StartRepresentation", "minBandwidth");
opt = "minBandwidth";
}
if (opt && !strcmp(opt, "maxBandwidth")) first_select_mode = GF_DASH_SELECT_BANDWIDTH_HIGHEST;
else if (opt && !strcmp(opt, "minQuality")) first_select_mode = GF_DASH_SELECT_QUALITY_LOWEST;
else if (opt && !strcmp(opt, "maxQuality")) first_select_mode = GF_DASH_SELECT_QUALITY_HIGHEST;
else first_select_mode = GF_DASH_SELECT_BANDWIDTH_LOWEST;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "MemoryStorage");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "MemoryStorage", "yes");
mpdin->memory_storage = (opt && !strcmp(opt, "yes")) ? 1 : 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "UseMaxResolution");
if (!opt) {
#if defined(_WIN32_WCE) || defined(GPAC_ANDROID) || defined(GPAC_IPHONE)
opt = "yes";
#else
opt = "no";
#endif
gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "UseMaxResolution", opt);
}
mpdin->use_max_res = !strcmp(opt, "yes") ? 1 : 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "ImmediateSwitching");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "ImmediateSwitching", "no");
mpdin->immediate_switch = (opt && !strcmp(opt, "yes")) ? 1 : 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "BufferingMode");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "BufferingMode", "minBuffer");
if (opt && !strcmp(opt, "segments")) mpdin->buffer_mode = MPDIN_BUFFER_SEGMENTS;
else if (opt && !strcmp(opt, "none")) mpdin->buffer_mode = MPDIN_BUFFER_NONE;
else mpdin->buffer_mode = MPDIN_BUFFER_MIN;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "LowLatency");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "LowLatency", "no");
if (opt && !strcmp(opt, "chunk") ) mpdin->use_low_latency = 1;
else if (opt && !strcmp(opt, "always") ) mpdin->use_low_latency = 2;
else mpdin->use_low_latency = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "AllowAbort");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "AllowAbort", "no");
mpdin->allow_http_abort = (opt && !strcmp(opt, "yes")) ? GF_TRUE : GF_FALSE;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "ShiftClock");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "ShiftClock", "0");
shift_utc_ms = opt ? atoi(opt) : 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "UseServerUTC");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "UseServerUTC", "yes");
use_server_utc = (opt && !strcmp(opt, "yes")) ? 1 : 0;
mpdin->in_seek = 0;
mpdin->previous_start_range = 0;
init_timeshift = 0;
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "InitialTimeshift");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "InitialTimeshift", "0");
if (opt) init_timeshift = atoi(opt);
//override all service callbacks
mpdin->fn_connect_ack = serv->fn_connect_ack;
serv->fn_connect_ack = mpdin_connect_ack;
mpdin->fn_data_packet = serv->fn_data_packet;
serv->fn_data_packet = mpdin_data_packet;
mpdin->dash = gf_dash_new(&mpdin->dash_io, max_cache_duration, auto_switch_count, keep_files, disable_switching, first_select_mode, (mpdin->buffer_mode == MPDIN_BUFFER_SEGMENTS) ? 1 : 0, init_timeshift);
if (!mpdin->dash) {
GF_LOG(GF_LOG_ERROR, GF_LOG_DASH, ("[MPD_IN] Error - cannot create DASH Client for %s\n", url));
mpdin->fn_connect_ack(mpdin->service, NULL, GF_IO_ERR);
return GF_OK;
}
gf_dash_set_utc_shift(mpdin->dash, shift_utc_ms);
gf_dash_enable_utc_drift_compensation(mpdin->dash, use_server_utc);
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "UseScreenResolution");
//default mode is no for the time being
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "UseScreenResolution", "no");
if (!opt || !strcmp(opt, "yes")) {
GF_NetworkCommand com;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.command_type = GF_NET_SERVICE_MEDIA_CAP_QUERY;
gf_service_command(serv, &com, GF_OK);
if (com.mcaps.width && com.mcaps.height) {
gf_dash_set_max_resolution(mpdin->dash, com.mcaps.width, com.mcaps.height, com.mcaps.display_bit_depth);
}
}
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "TimeBetween404");
if (opt) {
gf_dash_set_min_timeout_between_404(mpdin->dash, atoi(opt));
}
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "SegmentExpirationThreshold");
if (opt) {
gf_dash_set_segment_expiration_threshold(mpdin->dash, atoi(opt));
}
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "SwitchProbeCount");
if (opt) {
gf_dash_set_switching_probe_count(mpdin->dash, atoi(opt));
} else {
gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "SwitchProbeCount", "1");
}
opt = gf_modules_get_option((GF_BaseInterface *)plug, "DASH", "DebugAdaptationSet");
if (!opt) gf_modules_set_option((GF_BaseInterface *)plug, "DASH", "DebugAdaptationSet", "-1");
debug_adaptation_set = opt ? atoi(opt) : -1;
gf_dash_debug_group(mpdin->dash, debug_adaptation_set);
/*dash thread starts at the end of gf_dash_open */
e = gf_dash_open(mpdin->dash, url);
if (e) {
GF_LOG(GF_LOG_ERROR, GF_LOG_DASH, ("[MPD_IN] Error - cannot initialize DASH Client for %s: %s\n", url, gf_error_to_string(e) ));
mpdin->fn_connect_ack(mpdin->service, NULL, e);
return GF_OK;
}
return GF_OK;
}
void RP_ProcessRTCP(RTPStream *ch, char *pck, u32 size)
{
Bool has_sr;
GF_Err e;
if (ch->status == RTP_Connected) return;
ch->rtcp_bytes += size;
e = gf_rtp_decode_rtcp(ch->rtp_ch, pck, size, &has_sr);
if (e<0) return;
/*update sync if on pure RTP*/
if (!ch->rtcp_init && has_sr) {
Double ntp_clock;
ntp_clock = ch->rtp_ch->last_SR_NTP_sec;
ntp_clock += ((Double)ch->rtp_ch->last_SR_NTP_frac)/0xFFFFFFFF;
if (!ch->owner->last_ntp) {
//add safety in case this RTCP report is received before another report
//that was supposed to come in earlier (with earlier NTP)
//Double safety_offset, time = ch->rtp_ch->last_SR_rtp_time;
//time /= ch->rtp_ch->TimeScale;
//safety_offset = time/2;
ch->owner->last_ntp = ntp_clock;
}
if (ntp_clock >= ch->owner->last_ntp) {
ntp_clock -= ch->owner->last_ntp;
} else {
ntp_clock = 0;
}
//assert(ch->rtp_ch->last_SR_rtp_time >= (u64) (ntp_clock * ch->rtp_ch->TimeScale));
ch->ts_offset = ch->rtp_ch->last_SR_rtp_time;
ch->ts_offset -= (s64) (ntp_clock * ch->rtp_ch->TimeScale);
#if 0
GF_NetworkCommand com;
memset(&com, 0, sizeof(com));
com.command_type = GF_NET_CHAN_MAP_TIME;
com.base.on_channel = ch->channel;
com.map_time.media_time = ntp;
if (com.map_time.media_time >= ch->owner->last_ntp) {
com.map_time.media_time -= ch->owner->last_ntp;
} else {
com.map_time.media_time = 0;
}
com.map_time.timestamp = ch->rtp_ch->last_SR_rtp_time;
com.map_time.reset_buffers = 1;
gf_service_command(ch->owner->service, &com, GF_OK);
#endif
GF_LOG(GF_LOG_INFO, GF_LOG_RTP, ("[RTCP] At %d Using Sender Report to map RTP TS %d to NTP clock %g - new TS offset "LLD" \n",
gf_sys_clock(), ch->rtp_ch->last_SR_rtp_time, ntp_clock, ch->ts_offset
));
ch->rtcp_init = 1;
ch->check_rtp_time = RTP_SET_TIME_NONE;
}
if (e == GF_EOS) {
ch->flags |= RTP_EOS;
ch->stat_stop_time = gf_sys_clock();
gf_service_send_packet(ch->owner->service, ch->channel, NULL, 0, NULL, GF_EOS);
}
}
static u32 FFDemux_Run(void *par)
{
AVPacket pkt;
s64 seek_to;
GF_NetworkCommand com;
GF_NetworkCommand map;
GF_SLHeader slh;
FFDemux *ffd = (FFDemux *) par;
memset(&map, 0, sizeof(GF_NetworkCommand));
map.command_type = GF_NET_CHAN_MAP_TIME;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.command_type = GF_NET_BUFFER_QUERY;
memset(&slh, 0, sizeof(GF_SLHeader));
slh.compositionTimeStampFlag = slh.decodingTimeStampFlag = 1;
while (ffd->is_running) {
//nothing connected, wait
if (!ffd->video_ch && !ffd->audio_ch) {
gf_sleep(100);
continue;
}
if ((ffd->seek_time>=0) && ffd->seekable) {
seek_to = (s64) (AV_TIME_BASE*ffd->seek_time);
av_seek_frame(ffd->ctx, -1, seek_to, AVSEEK_FLAG_BACKWARD);
ffd->seek_time = -1;
}
pkt.stream_index = -1;
/*EOF*/
if (av_read_frame(ffd->ctx, &pkt) <0) break;
if (pkt.pts == AV_NOPTS_VALUE) pkt.pts = pkt.dts;
if (!pkt.dts) pkt.dts = pkt.pts;
slh.compositionTimeStamp = pkt.pts;
slh.decodingTimeStamp = pkt.dts;
gf_mx_p(ffd->mx);
/*blindly send audio as soon as video is init*/
if (ffd->audio_ch && (pkt.stream_index == ffd->audio_st) ) {
slh.compositionTimeStamp *= ffd->audio_tscale.num;
slh.decodingTimeStamp *= ffd->audio_tscale.num;
gf_service_send_packet(ffd->service, ffd->audio_ch, (char *) pkt.data, pkt.size, &slh, GF_OK);
}
else if (ffd->video_ch && (pkt.stream_index == ffd->video_st)) {
slh.compositionTimeStamp *= ffd->video_tscale.num;
slh.decodingTimeStamp *= ffd->video_tscale.num;
slh.randomAccessPointFlag = pkt.flags&AV_PKT_FLAG_KEY ? 1 : 0;
gf_service_send_packet(ffd->service, ffd->video_ch, (char *) pkt.data, pkt.size, &slh, GF_OK);
}
gf_mx_v(ffd->mx);
av_free_packet(&pkt);
/*sleep untill the buffer occupancy is too low - note that this work because all streams in this
demuxer are synchronized*/
while (ffd->audio_run || ffd->video_run) {
gf_service_command(ffd->service, &com, GF_OK);
if (com.buffer.occupancy < com.buffer.max)
break;
gf_sleep(1);
}
if (!ffd->audio_run && !ffd->video_run) break;
}
/*signal EOS*/
if (ffd->audio_ch) gf_service_send_packet(ffd->service, ffd->audio_ch, NULL, 0, NULL, GF_EOS);
if (ffd->video_ch) gf_service_send_packet(ffd->service, ffd->video_ch, NULL, 0, NULL, GF_EOS);
ffd->is_running = 2;
return 0;
}
static GF_Err ISOW_Write(GF_StreamingCache *mc, LPNETCHANNEL ch, char *data, u32 data_size, GF_SLHeader *sl_hdr)
{
ISOMChannel *mch;
GF_ESD *esd;
u32 di, mtype;
u64 DTS, CTS;
ISOMReader *cache = (ISOMReader *)mc->priv;
if (!cache->mov || !cache->service) return GF_BAD_PARAM;
mch = isor_get_channel(cache, ch);
if (!mch) {
Bool mapped;
GF_NetworkCommand com;
com.base.on_channel = ch;
com.base.command_type = GF_NET_CHAN_GET_ESD;
gf_service_command(cache->service, &com, GF_OK);
if (!com.cache_esd.esd) return GF_SERVICE_ERROR;
esd = (GF_ESD *)com.cache_esd.esd;
switch (esd->decoderConfig->streamType) {
case GF_STREAM_OD:
mtype = GF_ISOM_MEDIA_OD;
break;
case GF_STREAM_SCENE:
mtype = GF_ISOM_MEDIA_SCENE;
break;
case GF_STREAM_VISUAL:
mtype = GF_ISOM_MEDIA_VISUAL;
break;
case GF_STREAM_AUDIO:
mtype = GF_ISOM_MEDIA_AUDIO;
break;
case GF_STREAM_MPEG7:
mtype = GF_ISOM_MEDIA_MPEG7;
break;
case GF_STREAM_OCI:
mtype = GF_ISOM_MEDIA_OCI;
break;
case GF_STREAM_IPMP:
mtype = GF_ISOM_MEDIA_IPMP;
break;
case GF_STREAM_MPEGJ:
mtype = GF_ISOM_MEDIA_MPEGJ;
break;
case GF_STREAM_TEXT:
mtype = GF_ISOM_MEDIA_TEXT;
break;
default:
return GF_NOT_SUPPORTED;
}
GF_SAFEALLOC(mch, ISOMChannel);
if (!mch) {
return GF_OUT_OF_MEM;
}
mch->time_scale = esd->slConfig->timestampResolution;
mch->streamType = esd->decoderConfig->streamType;
mch->track = gf_isom_new_track(cache->mov, com.cache_esd.esd->ESID, mtype, mch->time_scale);
mch->is_playing = GF_TRUE;
mch->channel = ch;
mch->owner = cache;
gf_isom_set_track_enabled(cache->mov, mch->track, 1);
/*translate 3GP streams to MP4*/
mapped = GF_FALSE;
if (esd->decoderConfig->objectTypeIndication==GPAC_OTI_MEDIA_GENERIC) {
char szCode[5];
strncpy(szCode, esd->decoderConfig->decoderSpecificInfo->data, 4);
szCode[4]=0;
if (!stricmp(szCode, "samr") || !stricmp(szCode, "amr ") || !stricmp(szCode, "sawb")) {
GF_3GPConfig amrc;
mapped = GF_TRUE;
memset(&amrc, 0, sizeof(GF_3GPConfig));
amrc.frames_per_sample = (u32) esd->decoderConfig->decoderSpecificInfo->data[13];
amrc.type = (!stricmp(szCode, "sawb")) ? GF_ISOM_SUBTYPE_3GP_AMR_WB : GF_ISOM_SUBTYPE_3GP_AMR;
amrc.vendor = GF_VENDOR_GPAC;
gf_isom_3gp_config_new(cache->mov, mch->track, &amrc, NULL, NULL, &di);
} else if (!stricmp(szCode, "h263")) {
GF_3GPConfig h263c;
memset(&h263c, 0, sizeof(GF_3GPConfig));
h263c.type = GF_ISOM_SUBTYPE_3GP_H263;
h263c.vendor = GF_VENDOR_GPAC;
gf_isom_3gp_config_new(cache->mov, mch->track, &h263c, NULL, NULL, &di);
mapped = GF_TRUE;
}
}
if (!mapped) gf_isom_new_mpeg4_description(cache->mov, mch->track, esd, NULL, NULL, &di);
if (com.cache_esd.is_iod_stream) gf_isom_add_track_to_root_od(cache->mov, mch->track);
gf_list_add(cache->channels, mch);
}
/*first sample, cache it*/
if (!mch->cache_sample) {
mch->cache_seed_ts = sl_hdr->decodingTimeStamp;
mch->cache_sample = gf_isom_sample_new();
mch->cache_sample->IsRAP = sl_hdr->randomAccessPointFlag;
mch->cache_sample->dataLength = data_size;
mch->cache_sample->data = (char*)gf_malloc(sizeof(char)*data_size);
memcpy(mch->cache_sample->data, data, sizeof(char)*data_size);
return GF_OK;
}
/*adjust DTS/CTS*/
DTS = sl_hdr->decodingTimeStamp - mch->cache_seed_ts;
if ((mch->streamType==GF_STREAM_VISUAL) && (DTS<=mch->cache_sample->DTS)) {
assert(DTS>mch->prev_dts);
CTS = mch->cache_sample->DTS + mch->cache_sample->CTS_Offset;
mch->cache_sample->CTS_Offset = 0;
/*first time, shift all CTS*/
if (!mch->frame_cts_offset) {
u32 i, count = gf_isom_get_sample_count(cache->mov, mch->track);
mch->frame_cts_offset = (u32) (DTS-mch->prev_dts);
for (i=0; i<count; i++) {
gf_isom_modify_cts_offset(cache->mov, mch->track, i+1, mch->frame_cts_offset);
}
mch->cache_sample->CTS_Offset += mch->frame_cts_offset;
}
mch->cache_sample->DTS = mch->prev_dts + mch->frame_cts_offset;
mch->cache_sample->CTS_Offset += (u32) (CTS-mch->cache_sample->DTS);
}
/*deal with reference picture insertion: if no CTS offset and biggest CTS until now, this is
a reference insertion - we must check that in order to make sure we have strictly increasing DTSs*/
if (mch->max_cts && !mch->cache_sample->CTS_Offset && (mch->cache_sample->DTS+mch->cache_sample->CTS_Offset > mch->max_cts)) {
assert(mch->cache_sample->DTS > mch->prev_dts + mch->frame_cts_offset);
CTS = mch->cache_sample->DTS + mch->cache_sample->CTS_Offset;
mch->cache_sample->DTS = mch->prev_dts + mch->frame_cts_offset;
mch->cache_sample->CTS_Offset = (u32) (CTS-mch->cache_sample->DTS);
}
if (mch->cache_sample->CTS_Offset)
mch->max_cts = mch->cache_sample->DTS+mch->cache_sample->CTS_Offset;
/*add cache*/
gf_isom_add_sample(cache->mov, mch->track, 1, mch->cache_sample);
assert(!mch->prev_dts || (mch->prev_dts < mch->cache_sample->DTS));
mch->prev_dts = mch->cache_sample->DTS;
mch->duration = MAX(mch->max_cts, mch->prev_dts);
gf_isom_sample_del(&mch->cache_sample);
/*store sample*/
mch->cache_sample = gf_isom_sample_new();
mch->cache_sample->IsRAP = sl_hdr->randomAccessPointFlag;
mch->cache_sample->DTS = DTS + mch->frame_cts_offset;
mch->cache_sample->CTS_Offset = (u32) (sl_hdr->compositionTimeStamp - mch->cache_seed_ts - DTS);
mch->cache_sample->dataLength = data_size;
mch->cache_sample->data = (char*)gf_malloc(sizeof(char)*data_size);
memcpy(mch->cache_sample->data, data, sizeof(char)*data_size);
return GF_OK;
}
