MPF_DECLARE(apt_bool_t) mpf_rtp_stream_remove(mpf_audio_stream_t *stream)
{
mpf_rtp_stream_t *rtp_stream = stream->obj;
if(rtp_stream->state == MPF_MEDIA_ENABLED) {
/* disable RTP/RTCP session */
rtp_stream->state = MPF_MEDIA_DISABLED;
if(rtp_stream->rtp_l_sockaddr) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Remove RTP Session %s:%hu",
rtp_stream->rtp_l_sockaddr->hostname,
rtp_stream->rtp_l_sockaddr->port);
}
if(rtp_stream->rtcp_tx_timer) {
apt_timer_kill(rtp_stream->rtcp_tx_timer);
}
if(rtp_stream->rtcp_rx_timer) {
apt_timer_kill(rtp_stream->rtcp_rx_timer);
}
if(rtp_stream->settings->rtcp == TRUE && rtp_stream->settings->rtcp_bye_policy != RTCP_BYE_DISABLE) {
apt_str_t reason = {RTCP_BYE_SESSION_ENDED, sizeof(RTCP_BYE_SESSION_ENDED)-1};
mpf_rtcp_bye_send(rtp_stream,&reason);
}
}
mpf_rtp_socket_pair_close(rtp_stream);
return TRUE;
}
static apt_bool_t mrcp_client_message_handler(mrcp_connection_t *connection, mrcp_message_t *message, apt_message_status_e status)
{
if(status == APT_MESSAGE_STATUS_COMPLETE) {
/* message is completely parsed */
mrcp_control_channel_t *channel;
apt_str_t identifier;
apt_id_resource_generate(&message->channel_id.session_id,&message->channel_id.resource_name,'@',&identifier,message->pool);
channel = mrcp_connection_channel_find(connection,&identifier);
if(channel) {
mrcp_connection_agent_t *agent = connection->agent;
if(message->start_line.message_type == MRCP_MESSAGE_TYPE_RESPONSE) {
if(!channel->active_request ||
channel->active_request->start_line.request_id != message->start_line.request_id) {
apt_obj_log(APT_LOG_MARK,APT_PRIO_WARNING,channel->log_obj,"Unexpected MRCP Response "APT_SIDRES_FMT" [%d]",
MRCP_MESSAGE_SIDRES(message),
message->start_line.request_id);
return FALSE;
}
if(channel->request_timer) {
apt_timer_kill(channel->request_timer);
}
channel->active_request = NULL;
}
mrcp_connection_message_receive(agent->vtable,channel,message);
}
else {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Find Channel "APT_SIDRES_FMT" in Connection %s [%d]",
MRCP_MESSAGE_SIDRES(message),
connection->id,
apr_hash_count(connection->channel_table));
}
}
return TRUE;
}
static apt_bool_t rtsp_client_request_pop(rtsp_client_connection_t *rtsp_connection, rtsp_message_t *response, rtsp_message_t **ret_request, rtsp_client_session_t **ret_session)
{
rtsp_client_session_t *session;
apt_list_elem_t *elem = apt_list_first_elem_get(rtsp_connection->inprogress_request_queue);
while(elem) {
session = apt_list_elem_object_get(elem);
if(session->active_request && session->active_request->header.cseq == response->header.cseq) {
if(ret_session) {
*ret_session = session;
}
if(ret_request) {
*ret_request = session->active_request;
}
apt_log(RTSP_LOG_MARK,APT_PRIO_INFO,"Pop In-Progress RTSP Request " APT_PTR_FMT " CSeq:%"APR_SIZE_T_FMT,
session,
response->header.cseq);
apt_list_elem_remove(rtsp_connection->inprogress_request_queue,elem);
session->active_request = NULL;
apt_timer_kill(session->request_timer);
return TRUE;
}
elem = apt_list_next_elem_get(rtsp_connection->inprogress_request_queue,elem);
}
return FALSE;
}
/* RTSP connection disconnected */
static apt_bool_t rtsp_client_on_disconnect(rtsp_client_t *client, rtsp_client_connection_t *rtsp_connection)
{
rtsp_client_session_t *session;
apr_size_t remaining_handles;
apt_log(RTSP_LOG_MARK,APT_PRIO_INFO,"RTSP Peer Disconnected %s", rtsp_connection->id);
rtsp_client_connection_close(client,rtsp_connection);
/* Cancel in-progreess requests */
do {
session = apt_list_pop_front(rtsp_connection->inprogress_request_queue);
if(session) {
if(rtsp_client_request_cancel(
client,
session,
RTSP_STATUS_CODE_INTERNAL_SERVER_ERROR,
RTSP_REASON_PHRASE_INTERNAL_SERVER_ERROR) == TRUE) {
apt_timer_kill(session->request_timer);
}
}
}
while(session);
/* Walk through RTSP handles and raise termination event for them */
remaining_handles = apr_hash_count(rtsp_connection->handle_table);
if(remaining_handles) {
void *val;
apr_hash_index_t *it;
apt_log(RTSP_LOG_MARK,APT_PRIO_NOTICE,"Terminate Remaining RTSP Handles [%"APR_SIZE_T_FMT"]",remaining_handles);
it = apr_hash_first(rtsp_connection->pool,rtsp_connection->session_table);
for(; it; it = apr_hash_next(it)) {
apr_hash_this(it,NULL,NULL,&val);
session = val;
if(session) {
rtsp_client_session_terminate_raise(client,session);
}
}
}
return TRUE;
}
static apt_bool_t mrcp_client_agent_disconnect_raise(mrcp_connection_agent_t *agent, mrcp_connection_t *connection)
{
mrcp_control_channel_t *channel;
void *val;
apr_hash_index_t *it = apr_hash_first(connection->pool,connection->channel_table);
/* walk through the list of channels and raise disconnect event for them */
for(; it; it = apr_hash_next(it)) {
apr_hash_this(it,NULL,NULL,&val);
channel = val;
if(!channel) continue;
if(channel->active_request) {
mrcp_client_agent_request_cancel(channel->agent,channel,channel->active_request);
channel->active_request = NULL;
if(channel->request_timer) {
apt_timer_kill(channel->request_timer);
}
}
else if(agent->vtable->on_disconnect){
agent->vtable->on_disconnect(channel);
}
}
return TRUE;
}
static apt_bool_t mpf_rtp_stream_media_negotiate(mpf_rtp_stream_t *rtp_stream)
{
mpf_rtp_media_descriptor_t *local_media = rtp_stream->local_media;
mpf_rtp_media_descriptor_t *remote_media = rtp_stream->remote_media;
if(!local_media || !remote_media) {
return FALSE;
}
local_media->id = remote_media->id;
local_media->mid = remote_media->mid;
local_media->ptime = remote_media->ptime;
if(rtp_stream->state == MPF_MEDIA_DISABLED && remote_media->state == MPF_MEDIA_ENABLED) {
/* enable RTP/RTCP session */
rtp_stream->state = MPF_MEDIA_ENABLED;
if(rtp_stream->rtp_l_sockaddr) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Enable RTP Session %s:%hu",
rtp_stream->rtp_l_sockaddr->hostname,
rtp_stream->rtp_l_sockaddr->port);
}
if(rtp_stream->rtcp_tx_timer) {
apt_timer_set(rtp_stream->rtcp_tx_timer,rtp_stream->settings->rtcp_tx_interval);
}
if(rtp_stream->rtcp_rx_timer) {
apt_timer_set(rtp_stream->rtcp_rx_timer,rtp_stream->settings->rtcp_rx_resolution);
}
}
else if(rtp_stream->state == MPF_MEDIA_ENABLED && remote_media->state == MPF_MEDIA_DISABLED) {
/* disable RTP/RTCP session */
rtp_stream->state = MPF_MEDIA_DISABLED;
if(rtp_stream->rtp_l_sockaddr) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Disable RTP Session %s:%hu",
rtp_stream->rtp_l_sockaddr->hostname,
rtp_stream->rtp_l_sockaddr->port);
}
if(rtp_stream->rtcp_tx_timer) {
apt_timer_kill(rtp_stream->rtcp_tx_timer);
}
if(rtp_stream->rtcp_rx_timer) {
apt_timer_kill(rtp_stream->rtcp_rx_timer);
}
if(rtp_stream->settings->rtcp == TRUE && rtp_stream->settings->rtcp_bye_policy != RTCP_BYE_DISABLE) {
apt_str_t reason = {RTCP_BYE_SESSION_ENDED, sizeof(RTCP_BYE_SESSION_ENDED)-1};
mpf_rtcp_bye_send(rtp_stream,&reason);
}
}
local_media->state = remote_media->state;
local_media->direction = mpf_stream_reverse_direction_get(remote_media->direction);
if(remote_media->state == MPF_MEDIA_ENABLED) {
mpf_codec_list_t *codec_list1 = NULL;
mpf_codec_list_t *codec_list2 = NULL;
/* intersect local and remote codecs */
if(rtp_stream->settings->own_preferrence == TRUE) {
codec_list1 = &local_media->codec_list;
codec_list2 = &remote_media->codec_list;
}
else {
codec_list2 = &local_media->codec_list;
codec_list1 = &remote_media->codec_list;
}
if(mpf_codec_lists_intersect(codec_list1,codec_list2) == FALSE) {
/* reject RTP/RTCP session */
rtp_stream->state = MPF_MEDIA_DISABLED;
local_media->direction = STREAM_DIRECTION_NONE;
local_media->state = MPF_MEDIA_DISABLED;
if(rtp_stream->rtp_l_sockaddr) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Reject RTP Session %s:%hu no codecs matched",
rtp_stream->rtp_l_sockaddr->hostname,
rtp_stream->rtp_l_sockaddr->port);
}
if(rtp_stream->rtcp_tx_timer) {
apt_timer_kill(rtp_stream->rtcp_tx_timer);
}
if(rtp_stream->rtcp_rx_timer) {
apt_timer_kill(rtp_stream->rtcp_rx_timer);
}
}
}
rtp_stream->base->direction = local_media->direction;
return TRUE;
}
static apt_bool_t mpf_rtp_stream_media_negotiate(mpf_rtp_stream_t *rtp_stream)
{
mpf_rtp_media_descriptor_t *local_media = rtp_stream->local_media;
mpf_rtp_media_descriptor_t *remote_media = rtp_stream->remote_media;
if(!local_media || !remote_media) {
return FALSE;
}
local_media->id = remote_media->id;
local_media->mid = remote_media->mid;
local_media->ptime = remote_media->ptime;
if(rtp_stream->state == MPF_MEDIA_DISABLED && remote_media->state == MPF_MEDIA_ENABLED) {
/* enable RTP/RTCP session */
rtp_stream->state = MPF_MEDIA_ENABLED;
if(rtp_stream->rtp_l_sockaddr) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Enable RTP Session %s:%hu",
rtp_stream->rtp_l_sockaddr->hostname,
rtp_stream->rtp_l_sockaddr->port);
}
if(rtp_stream->rtcp_tx_timer) {
apt_timer_set(rtp_stream->rtcp_tx_timer,rtp_stream->settings->rtcp_tx_interval);
}
if(rtp_stream->rtcp_rx_timer) {
apt_timer_set(rtp_stream->rtcp_rx_timer,rtp_stream->settings->rtcp_rx_resolution);
}
}
else if(rtp_stream->state == MPF_MEDIA_ENABLED && remote_media->state == MPF_MEDIA_DISABLED) {
/* disable RTP/RTCP session */
rtp_stream->state = MPF_MEDIA_DISABLED;
if(rtp_stream->rtp_l_sockaddr) {
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Disable RTP Session %s:%hu",
rtp_stream->rtp_l_sockaddr->hostname,
rtp_stream->rtp_l_sockaddr->port);
}
if(rtp_stream->rtcp_tx_timer) {
apt_timer_kill(rtp_stream->rtcp_tx_timer);
}
if(rtp_stream->rtcp_rx_timer) {
apt_timer_kill(rtp_stream->rtcp_rx_timer);
}
if(rtp_stream->settings->rtcp == TRUE && rtp_stream->settings->rtcp_bye_policy != RTCP_BYE_DISABLE) {
apt_str_t reason = {RTCP_BYE_SESSION_ENDED, sizeof(RTCP_BYE_SESSION_ENDED)-1};
mpf_rtcp_bye_send(rtp_stream,&reason);
}
}
local_media->state = remote_media->state;
local_media->direction = mpf_stream_reverse_direction_get(remote_media->direction);
rtp_stream->base->direction = local_media->direction;
if(remote_media->state == MPF_MEDIA_ENABLED) {
if(mpf_codec_list_is_empty(&remote_media->codec_list) == TRUE) {
/* no remote codecs available, initialize them according to the local codecs */
mpf_codec_list_copy(&remote_media->codec_list,
&local_media->codec_list,
rtp_stream->pool);
}
/* intersect local and remote codecs */
if(rtp_stream->settings->own_preferrence == TRUE) {
mpf_codec_lists_intersect(
&local_media->codec_list,
&remote_media->codec_list);
}
else {
mpf_codec_lists_intersect(
&remote_media->codec_list,
&local_media->codec_list);
}
}
return TRUE;
}
