kenmirrors
/
freeswitch
mirror of https://github.com/signalwire/freeswitch.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

wip

This commit is contained in:
Anthony Minessale 2012-12-19 22:42:03 -06:00
parent 1ab88581d7
commit 10010d47c1
6 changed files with 572 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/include/switch_core_media.h
View File

@ -43,8 +43,31 @@ typedef enum {
SM_NDLB_DISABLE_SRTP_AUTH = (1 << 3)
} switch_core_media_NDLB_t;
typedef enum {
SCMF_DISABLE_TRANSCODING = (1 << 0)
} switch_core_media_flag_t;
struct switch_media_handle_s;
typedef enum {
STYPE_INTVAL,
STYPE_UINTVAL,
STYPE_CHARVAL,
} scm_type_t;
typedef enum {
SCM_INBOUND_CODEC_STRING,
SCM_OUTBOUND_CODEC_STRING,
SCM_TEST,
SCM_MAX
} scm_param_t;
#define switch_media_get_param_int(_h, _p) *(int *)switch_media_get_param(_h, _p)
#define switch_media_get_param_uint(_h, _p) *(uint32_t *)switch_media_get_param(_h, _p)
#define switch_media_get_param_char(_h, _p) (char *)switch_media_get_param(_h, _p)
SWITCH_DECLARE(switch_status_t) switch_media_handle_create(switch_media_handle_t **smhp, switch_core_session_t *session);
SWITCH_DECLARE(switch_media_handle_t *) switch_core_session_get_media_handle(switch_core_session_t *session);
@ -53,6 +76,9 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_media_handle_ready(switch_co
SWITCH_DECLARE(void) switch_media_handle_set_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag);
SWITCH_DECLARE(void) switch_media_handle_clear_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag);
SWITCH_DECLARE(int32_t) switch_media_handle_test_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag);
SWITCH_DECLARE(void) switch_media_handle_set_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag);
SWITCH_DECLARE(void) switch_media_handle_clear_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag);
SWITCH_DECLARE(int32_t) switch_media_handle_test_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag);
SWITCH_DECLARE(void) switch_core_session_check_outgoing_crypto(switch_core_session_t *session, const char *sec_var);
SWITCH_DECLARE(const char *) switch_core_session_local_crypto_key(switch_core_session_t *session, switch_media_type_t type);
SWITCH_DECLARE(int) switch_core_session_check_incoming_crypto(switch_core_session_t *session,
@ -64,6 +90,10 @@ SWITCH_DECLARE(void) switch_core_session_get_recovery_crypto_key(switch_core_ses
SWITCH_DECLARE(void) switch_core_media_set_rtp_session(switch_core_session_t *session, switch_media_type_t type, switch_rtp_t *rtp_session);
SWITCH_DECLARE(void) switch_media_set_param(switch_media_handle_t *smh, scm_param_t param, ...);
SWITCH_DECLARE(void *) switch_media_get_param(switch_media_handle_t *smh, scm_param_t param);
SWITCH_DECLARE(const char *)switch_core_media_get_codec_string(switch_core_session_t *session);
SWITCH_END_EXTERN_C
#endif
/* For Emacs:

1
src/mod/endpoints/mod_sofia/mod_sofia.h
View File

@ -611,6 +611,7 @@ struct sofia_profile {
uint8_t pflags[PFLAG_MAX];
unsigned int mflags;
unsigned int ndlb;
unsigned int media_flags;
uint32_t max_calls;
uint32_t nonce_ttl;
nua_t *nua;

4
src/mod/endpoints/mod_sofia/sofia.c
View File

@ -4251,7 +4251,9 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
}
} else if (!strcasecmp(var, "disable-transcoding")) {
if (switch_true(val)) {
sofia_set_pflag(profile, PFLAG_DISABLE_TRANSCODING);
profile->media_flags |= SCMF_DISABLE_TRANSCODING;
} else {
profile->media_flags &= ~SCMF_DISABLE_TRANSCODING;
}
} else if (!strcasecmp(var, "rtp-rewrite-timestamps")) {
if (switch_true(val)) {

5
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -281,7 +281,12 @@ void sofia_glue_attach_private(switch_core_session_t *session, sofia_profile_t *
switch_media_handle_create(&tech_pvt->media_handle, session);
switch_media_handle_set_ndlb(tech_pvt->media_handle, tech_pvt->profile->ndlb);
switch_media_handle_set_media_flag(tech_pvt->media_handle, tech_pvt->profile->media_flags);
switch_media_set_param(tech_pvt->media_handle, SCM_INBOUND_CODEC_STRING, profile->inbound_codec_string);
switch_media_set_param(tech_pvt->media_handle, SCM_OUTBOUND_CODEC_STRING, profile->inbound_codec_string);
switch_core_session_set_private(session, tech_pvt);
if (channame) {

42
src/mod/endpoints/mod_sofia/sofia_media.c
View File

@ -848,7 +848,7 @@ uint8_t sofia_media_negotiate_sdp(switch_core_session_t *session, const char *r_
if (mimp) {
char tmp[50];
const char *mirror = switch_channel_get_variable(tech_pvt->channel, "sip_mirror_remote_audio_codec_payload");
const char *mirror = switch_channel_get_variable(tech_pvt->channel, "rtp_mirror_remote_audio_codec_payload");
tech_pvt->rm_encoding = switch_core_session_strdup(session, (char *) map->rm_encoding);
tech_pvt->iananame = switch_core_session_strdup(session, (char *) mimp->iananame);
@ -874,7 +874,7 @@ uint8_t sofia_media_negotiate_sdp(switch_core_session_t *session, const char *r_
}
switch_snprintf(tmp, sizeof(tmp), "%d", tech_pvt->audio_recv_pt);
switch_channel_set_variable(tech_pvt->channel, "sip_audio_recv_pt", tmp);
switch_channel_set_variable(tech_pvt->channel, "rtp_audio_recv_pt", tmp);
}
@ -1768,7 +1768,7 @@ void sofia_media_set_sdp_codec_string(switch_core_session_t *session, const char
if ((parser = sdp_parse(NULL, r_sdp, (int) strlen(r_sdp), 0))) {
if ((sdp = sdp_session(parser))) {
sofia_media_set_r_sdp_codec_string(session, sofia_media_get_codec_string(tech_pvt), sdp);
sofia_media_set_r_sdp_codec_string(session, switch_core_media_get_codec_string(tech_pvt->session), sdp);
}
sdp_parser_free(parser);
@ -1903,6 +1903,7 @@ switch_status_t sofia_media_tech_set_codec(private_object_t *tech_pvt, int force
switch_yield(tech_pvt->read_impl.microseconds_per_packet);
switch_core_codec_destroy(&tech_pvt->read_codec);
switch_core_codec_destroy(&tech_pvt->write_codec);
switch_channel_audio_sync(tech_pvt->channel);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG, "Already using %s\n", tech_pvt->read_impl.iananame);
switch_goto_status(SWITCH_STATUS_SUCCESS, end);
@ -2996,27 +2997,6 @@ void sofia_media_set_local_sdp(private_object_t *tech_pvt, const char *ip, switc
switch_safe_free(buf);
}
const char *sofia_media_get_codec_string(private_object_t *tech_pvt)
{
const char *preferred = NULL, *fallback = NULL;
if (!(preferred = switch_channel_get_variable(tech_pvt->channel, "absolute_codec_string"))) {
preferred = switch_channel_get_variable(tech_pvt->channel, "codec_string");
}
if (!preferred) {
if (switch_channel_direction(tech_pvt->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
preferred = tech_pvt->profile->outbound_codec_string;
fallback = tech_pvt->profile->inbound_codec_string;
} else {
preferred = tech_pvt->profile->inbound_codec_string;
fallback = tech_pvt->profile->outbound_codec_string;
}
}
return !zstr(preferred) ? preferred : fallback;
}
void sofia_media_tech_prepare_codecs(private_object_t *tech_pvt)
{
const char *abs, *codec_string = NULL;
@ -3045,7 +3025,7 @@ void sofia_media_tech_prepare_codecs(private_object_t *tech_pvt)
}
if (!(codec_string = switch_channel_get_variable(tech_pvt->channel, "codec_string"))) {
codec_string = sofia_media_get_codec_string(tech_pvt);
codec_string = switch_core_media_get_codec_string(tech_pvt->session);
}
if (codec_string && *codec_string == '=') {
@ -3067,12 +3047,11 @@ void sofia_media_tech_prepare_codecs(private_object_t *tech_pvt)
ready:
if (codec_string) {
char *tmp_codec_string;
if ((tmp_codec_string = switch_core_session_strdup(tech_pvt->session, codec_string))) {
tech_pvt->codec_order_last = switch_separate_string(tmp_codec_string, ',', tech_pvt->codec_order, SWITCH_MAX_CODECS);
tech_pvt->num_codecs =
switch_loadable_module_get_codecs_sorted(tech_pvt->codecs, SWITCH_MAX_CODECS, tech_pvt->codec_order, tech_pvt->codec_order_last);
}
char *tmp_codec_string = switch_core_session_strdup(tech_pvt->session, codec_string);
tech_pvt->codec_order_last = switch_separate_string(tmp_codec_string, ',', tech_pvt->codec_order, SWITCH_MAX_CODECS);
tech_pvt->num_codecs =
switch_loadable_module_get_codecs_sorted(tech_pvt->codecs, SWITCH_MAX_CODECS, tech_pvt->codec_order, tech_pvt->codec_order_last);
} else {
tech_pvt->num_codecs = switch_loadable_module_get_codecs(tech_pvt->codecs, sizeof(tech_pvt->codecs) / sizeof(tech_pvt->codecs[0]));
}
@ -3080,6 +3059,7 @@ void sofia_media_tech_prepare_codecs(private_object_t *tech_pvt)
}
void sofia_media_check_video_codecs(private_object_t *tech_pvt)
{
if (tech_pvt->num_codecs && !sofia_test_flag(tech_pvt, TFLAG_VIDEO)) {

526
src/switch_core_media.c
View File

@ -40,6 +40,19 @@
#include <switch_curl.h>
#include <errno.h>
typedef union {
int32_t intval;
uint32_t uintval;
char *charval;
} scm_multi_t;
static scm_type_t typemap[SCM_MAX] = {
/*SCM_INBOUND_CODEC_STRING*/ STYPE_CHARVAL,
/*SCM_OUTBOUND_CODEC_STRING*/ STYPE_CHARVAL,
/*SCM_TEST*/ STYPE_INTVAL
};
typedef enum {
SMH_INIT = (1 << 0),
SMH_READY = (1 << 1)
@ -59,18 +72,106 @@ typedef struct secure_settings_s {
typedef struct switch_rtp_engine_s {
switch_secure_settings_t ssec;
switch_rtp_t *rtp_session;
switch_rtp_t *rtp_session;//tp
switch_frame_t read_frame;//tp
switch_media_type_t type;
} switch_rtp_engine_t;
struct switch_media_handle_s {
switch_core_session_t *session;
switch_channel_t *channel;
switch_core_media_NDLB_t ndlb;
switch_core_media_flag_t media_flags;
smh_flag_t flags;
switch_rtp_engine_t engines[SWITCH_MEDIA_TYPE_TOTAL];
scm_multi_t params[SCM_MAX];
char *codec_order[SWITCH_MAX_CODECS];//tp
int codec_order_last;//tp
const switch_codec_implementation_t *codecs[SWITCH_MAX_CODECS];//tp
int num_codecs;//tp
int payload_space;//tp
};
SWITCH_DECLARE(void) switch_media_set_param(switch_media_handle_t *smh, scm_param_t param, ...)
{
scm_multi_t *val = &smh->params[param];
scm_type_t type = typemap[param];
va_list ap;
va_start(ap, param);
switch(type) {
case STYPE_INTVAL:
val->intval = va_arg(ap, int);
break;
case STYPE_UINTVAL:
val->uintval = va_arg(ap, unsigned int);
break;
case STYPE_CHARVAL:
val->charval = switch_core_session_strdup(smh->session, va_arg(ap, char *));
break;
default:
abort();
}
va_end(ap);
}
SWITCH_DECLARE(void *) switch_media_get_param(switch_media_handle_t *smh, scm_param_t param)
{
scm_multi_t *val = &smh->params[param];
scm_type_t type = typemap[param];
switch(type) {
case STYPE_INTVAL:
return &val->intval;
break;
case STYPE_UINTVAL:
return &val->uintval;
break;
case STYPE_CHARVAL:
return val->charval;
break;
default:
abort();
}
return NULL;
}
#define get_str(_o, _p) _o->params[_p].charval
SWITCH_DECLARE(const char *)switch_core_media_get_codec_string(switch_core_session_t *session)
{
const char *preferred = NULL, *fallback = NULL;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
preferred = "PCMU";
fallback = "PCMU";
} else {
if (!(preferred = switch_channel_get_variable(session->channel, "absolute_codec_string"))) {
preferred = switch_channel_get_variable(session->channel, "codec_string");
}
if (!preferred) {
if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
preferred = get_str(smh, SCM_OUTBOUND_CODEC_STRING);
fallback = get_str(smh, SCM_INBOUND_CODEC_STRING);
} else {
preferred = get_str(smh, SCM_INBOUND_CODEC_STRING);
fallback = get_str(smh, SCM_OUTBOUND_CODEC_STRING);
}
}
}
return !zstr(preferred) ? preferred : fallback;
}
SWITCH_DECLARE(const char *) switch_core_session_local_crypto_key(switch_core_session_t *session, switch_media_type_t type)
{
@ -191,6 +292,7 @@ SWITCH_DECLARE(void) switch_core_media_set_rtp_session(switch_core_session_t *se
if (!session->media_handle) return;
engine = &session->media_handle->engines[type];
engine->rtp_session = rtp_session;
engine->type = type;
}
@ -346,6 +448,10 @@ SWITCH_DECLARE(switch_status_t) switch_media_handle_create(switch_media_handle_t
session->media_handle->session = session;
*smhp = session->media_handle;
switch_set_flag(session->media_handle, SMH_INIT);
session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].read_frame.buflen = SWITCH_RTP_MAX_BUF_LEN;
session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].read_frame.buflen = SWITCH_RTP_MAX_BUF_LEN;
status = SWITCH_STATUS_SUCCESS;
}
@ -357,7 +463,7 @@ SWITCH_DECLARE(void) switch_media_handle_set_ndlb(switch_media_handle_t *smh, sw
{
switch_assert(smh);
smh->flags |= flag;
smh->ndlb |= flag;
}
@ -365,13 +471,34 @@ SWITCH_DECLARE(void) switch_media_handle_clear_ndlb(switch_media_handle_t *smh,
{
switch_assert(smh);
smh->flags &= ~flag;
smh->ndlb &= ~flag;
}
SWITCH_DECLARE(int32_t) switch_media_handle_test_ndlb(switch_media_handle_t *smh, switch_core_media_NDLB_t flag)
{
switch_assert(smh);
return (smh->flags & flag);
return (smh->ndlb & flag);
}
SWITCH_DECLARE(void) switch_media_handle_set_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag)
{
switch_assert(smh);
smh->media_flags |= flag;
}
SWITCH_DECLARE(void) switch_media_handle_clear_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag)
{
switch_assert(smh);
smh->media_flags &= ~flag;
}
SWITCH_DECLARE(int32_t) switch_media_handle_test_media_flag(switch_media_handle_t *smh, switch_core_media_flag_t flag)
{
switch_assert(smh);
return (smh->media_flags & flag);
}
SWITCH_DECLARE(switch_status_t) switch_core_session_media_handle_ready(switch_core_session_t *session)
@ -404,6 +531,397 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_clear_media_handle(switch_co
#if 0
SWITCH_DECLARE(switch_status_t) switch_core_session_read_media_frame(switch_core_session_t *session, switch_frame_t **frame,
switch_io_flag_t flags, int stream_id, switch_media_type_t type)
{
switch_channel_t *channel;
uint32_t sanity = 1000;
switch_rtcp_frame_t rtcp_frame;
switch_rtp_engine_t *engine;
if (!session->media_handle) return;
engine = &session->media_handle->engines[type];
channel = switch_core_session_get_channel(session);
switch_assert(tech_pvt != NULL);
tech_pvt->read_frame.datalen = 0;
sofia_set_flag_locked(tech_pvt, TFLAG_READING);
if (sofia_test_flag(tech_pvt, TFLAG_HUP) || sofia_test_flag(tech_pvt, TFLAG_BYE) || !tech_pvt->read_codec.implementation ||
!switch_core_codec_ready(&tech_pvt->read_codec)) {
return SWITCH_STATUS_FALSE;
}
if (sofia_test_flag(tech_pvt, TFLAG_IO)) {
switch_status_t status;
if (!sofia_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
switch_assert(tech_pvt->rtp_session != NULL);
tech_pvt->read_frame.datalen = 0;
if (sofia_test_flag(tech_pvt, TFLAG_SIMPLIFY) && sofia_test_flag(tech_pvt, TFLAG_GOT_ACK)) {
if (sofia_glue_tech_simplify(tech_pvt)) {
sofia_clear_flag(tech_pvt, TFLAG_SIMPLIFY);
}
}
while (sofia_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->read_frame.datalen == 0) {
tech_pvt->read_frame.flags = SFF_NONE;
status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame, flags);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
if (status == SWITCH_STATUS_TIMEOUT) {
if (sofia_test_flag(tech_pvt, TFLAG_SIP_HOLD)) {
sofia_glue_toggle_hold(tech_pvt, 0);
sofia_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
switch_channel_clear_flag(channel, CF_LEG_HOLDING);
}
if (switch_channel_get_variable(tech_pvt->channel, "execute_on_media_timeout")) {
*frame = &tech_pvt->read_frame;
switch_set_flag((*frame), SFF_CNG);
(*frame)->datalen = tech_pvt->read_impl.encoded_bytes_per_packet;
memset((*frame)->data, 0, (*frame)->datalen);
switch_channel_execute_on(tech_pvt->channel, "execute_on_media_timeout");
return SWITCH_STATUS_SUCCESS;
}
switch_channel_hangup(tech_pvt->channel, SWITCH_CAUSE_MEDIA_TIMEOUT);
}
return status;
}
/* Try to read an RTCP frame, if successful raise an event */
if (switch_rtcp_zerocopy_read_frame(tech_pvt->rtp_session, &rtcp_frame) == SWITCH_STATUS_SUCCESS) {
switch_event_t *event;
if (switch_event_create(&event, SWITCH_EVENT_RECV_RTCP_MESSAGE) == SWITCH_STATUS_SUCCESS) {
char value[30];
char header[50];
int i;
char *uuid = switch_core_session_get_uuid(session);
if (uuid) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(session));
}
snprintf(value, sizeof(value), "%.8x", rtcp_frame.ssrc);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "SSRC", value);
snprintf(value, sizeof(value), "%u", rtcp_frame.ntp_msw);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "NTP-Most-Significant-Word", value);
snprintf(value, sizeof(value), "%u", rtcp_frame.ntp_lsw);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "NTP-Least-Significant-Word", value);
snprintf(value, sizeof(value), "%u", rtcp_frame.timestamp);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "RTP-Timestamp", value);
snprintf(value, sizeof(value), "%u", rtcp_frame.packet_count);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Sender-Packet-Count", value);
snprintf(value, sizeof(value), "%u", rtcp_frame.octect_count);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Octect-Packet-Count", value);
snprintf(value, sizeof(value), "%" SWITCH_SIZE_T_FMT, tech_pvt->read_frame.timestamp);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Last-RTP-Timestamp", value);
snprintf(value, sizeof(value), "%u", tech_pvt->read_frame.rate);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "RTP-Rate", value);
snprintf(value, sizeof(value), "%" SWITCH_TIME_T_FMT, switch_time_now());
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Capture-Time", value);
// Add sources info
for (i = 0; i < rtcp_frame.report_count; i++) {
snprintf(header, sizeof(header), "Source%u-SSRC", i);
snprintf(value, sizeof(value), "%.8x", rtcp_frame.reports[i].ssrc);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
snprintf(header, sizeof(header), "Source%u-Fraction", i);
snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].fraction);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
snprintf(header, sizeof(header), "Source%u-Lost", i);
snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].lost);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
snprintf(header, sizeof(header), "Source%u-Highest-Sequence-Number-Received", i);
snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].highest_sequence_number_received);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
snprintf(header, sizeof(header), "Source%u-Jitter", i);
snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].jitter);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
snprintf(header, sizeof(header), "Source%u-LSR", i);
snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].lsr);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
snprintf(header, sizeof(header), "Source%u-DLSR", i);
snprintf(value, sizeof(value), "%u", rtcp_frame.reports[i].dlsr);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, header, value);
}
switch_event_fire(&event);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG10, "Dispatched RTCP event\n");
}
}
/* Fast PASS! */
if (switch_test_flag((&tech_pvt->read_frame), SFF_PROXY_PACKET)) {
sofia_clear_flag_locked(tech_pvt, TFLAG_READING);
*frame = &tech_pvt->read_frame;
return SWITCH_STATUS_SUCCESS;
}
if (switch_rtp_has_dtmf(tech_pvt->rtp_session)) {
switch_dtmf_t dtmf = { 0 };
switch_rtp_dequeue_dtmf(tech_pvt->rtp_session, &dtmf);
switch_channel_queue_dtmf(channel, &dtmf);
}
if (tech_pvt->read_frame.datalen > 0) {
uint32_t bytes = 0;
int frames = 1;
if (!switch_test_flag((&tech_pvt->read_frame), SFF_CNG)) {
if (!tech_pvt->read_codec.implementation || !switch_core_codec_ready(&tech_pvt->read_codec)) {
*frame = NULL;
return SWITCH_STATUS_GENERR;
}
if ((tech_pvt->read_frame.datalen % 10) == 0 &&
sofia_test_pflag(tech_pvt->profile, PFLAG_AUTOFIX_TIMING) && tech_pvt->check_frames < MAX_CODEC_CHECK_FRAMES) {
tech_pvt->check_frames++;
if (!tech_pvt->read_impl.encoded_bytes_per_packet) {
tech_pvt->check_frames = MAX_CODEC_CHECK_FRAMES;
goto skip;
}
if (tech_pvt->last_ts && tech_pvt->read_frame.datalen != tech_pvt->read_impl.encoded_bytes_per_packet) {
uint32_t codec_ms = (int) (tech_pvt->read_frame.timestamp -
tech_pvt->last_ts) / (tech_pvt->read_impl.samples_per_second / 1000);
if ((codec_ms % 10) != 0 || codec_ms > tech_pvt->read_impl.samples_per_packet * 10) {
tech_pvt->last_ts = 0;
goto skip;
}
if (tech_pvt->last_codec_ms && tech_pvt->last_codec_ms == codec_ms) {
tech_pvt->mismatch_count++;
}
tech_pvt->last_codec_ms = codec_ms;
if (tech_pvt->mismatch_count > MAX_MISMATCH_FRAMES) {
if (switch_rtp_ready(tech_pvt->rtp_session) && codec_ms != tech_pvt->codec_ms) {
const char *val;
int rtp_timeout_sec = 0;
int rtp_hold_timeout_sec = 0;
if (codec_ms > 120) { /* yeah right */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"Your phone is trying to send timestamps that suggest an increment of %dms per packet\n"
"That seems hard to believe so I am going to go on ahead and um ignore that, mmkay?\n",
(int) codec_ms);
tech_pvt->check_frames = MAX_CODEC_CHECK_FRAMES;
goto skip;
}
tech_pvt->read_frame.datalen = 0;
if (codec_ms != tech_pvt->codec_ms) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"Asynchronous PTIME not supported, changing our end from %d to %d\n",
(int) tech_pvt->codec_ms,
(int) codec_ms
);
switch_channel_set_variable_printf(channel, "sip_h_X-Broken-PTIME", "Adv=%d;Sent=%d",
(int) tech_pvt->codec_ms, (int) codec_ms);
tech_pvt->codec_ms = codec_ms;
}
if (sofia_glue_tech_set_codec(tech_pvt, 2) != SWITCH_STATUS_SUCCESS) {
*frame = NULL;
return SWITCH_STATUS_GENERR;
}
if ((val = switch_channel_get_variable(tech_pvt->channel, "rtp_timeout_sec"))) {
int v = atoi(val);
if (v >= 0) {
rtp_timeout_sec = v;
}
}
if ((val = switch_channel_get_variable(tech_pvt->channel, "rtp_hold_timeout_sec"))) {
int v = atoi(val);
if (v >= 0) {
rtp_hold_timeout_sec = v;
}
}
if (rtp_timeout_sec) {
tech_pvt->max_missed_packets = (tech_pvt->read_impl.samples_per_second * rtp_timeout_sec) /
tech_pvt->read_impl.samples_per_packet;
switch_rtp_set_max_missed_packets(tech_pvt->rtp_session, tech_pvt->max_missed_packets);
if (!rtp_hold_timeout_sec) {
rtp_hold_timeout_sec = rtp_timeout_sec * 10;
}
}
if (rtp_hold_timeout_sec) {
tech_pvt->max_missed_hold_packets = (tech_pvt->read_impl.samples_per_second * rtp_hold_timeout_sec) /
tech_pvt->read_impl.samples_per_packet;
}
tech_pvt->check_frames = 0;
tech_pvt->last_ts = 0;
/* inform them of the codec they are actually sending */
#if 0
if (++tech_pvt->codec_reinvites > 2) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"Ok, some devices *cough* X-lite *cough*\n"
"seem to continue to lie over and over again so I guess we'll\n"
"leave well-enough alone and let them lie\n");
} else {
sofia_glue_do_invite(session);
}
#endif
*frame = &tech_pvt->read_frame;
switch_set_flag((*frame), SFF_CNG);
(*frame)->datalen = tech_pvt->read_impl.encoded_bytes_per_packet;
memset((*frame)->data, 0, (*frame)->datalen);
return SWITCH_STATUS_SUCCESS;
}
}
} else {
tech_pvt->mismatch_count = 0;
}
tech_pvt->last_ts = tech_pvt->read_frame.timestamp;
} else {
tech_pvt->mismatch_count = 0;
tech_pvt->last_ts = 0;
}
skip:
if ((bytes = tech_pvt->read_impl.encoded_bytes_per_packet)) {
frames = (tech_pvt->read_frame.datalen / bytes);
}
tech_pvt->read_frame.samples = (int) (frames * tech_pvt->read_impl.samples_per_packet);
if (tech_pvt->read_frame.datalen == 0) {
continue;
}
}
break;
}
}
}
sofia_clear_flag_locked(tech_pvt, TFLAG_READING);
if (tech_pvt->read_frame.datalen == 0) {
*frame = NULL;
return SWITCH_STATUS_GENERR;
}
*frame = &tech_pvt->read_frame;
return SWITCH_STATUS_SUCCESS;
}
#endif
SWITCH_DECLARE(void) switch_core_media_prepare_codecs(switch_core_session_t *session, switch_bool_t force)
{
const char *abs, *codec_string = NULL;
const char *ocodec = NULL;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) || switch_channel_test_flag(session->channel, CF_PROXY_MEDIA)) {
return;
}
if (force) {
smh->num_codecs = 0;
}
if (smh->num_codecs) {
return;
}
smh->payload_space = 0;
switch_assert(smh->session != NULL);
if ((abs = switch_channel_get_variable(session->channel, "absolute_codec_string"))) {
/* inherit_codec == true will implicitly clear the absolute_codec_string
variable if used since it was the reason it was set in the first place and is no longer needed */
if (switch_true(switch_channel_get_variable(session->channel, "inherit_codec"))) {
switch_channel_set_variable(session->channel, "absolute_codec_string", NULL);
}
codec_string = abs;
goto ready;
}
if (!(codec_string = switch_channel_get_variable(session->channel, "codec_string"))) {
codec_string = switch_core_media_get_codec_string(smh->session);
}
if (codec_string && *codec_string == '=') {
codec_string++;
goto ready;
}
if ((ocodec = switch_channel_get_variable(session->channel, SWITCH_ORIGINATOR_CODEC_VARIABLE))) {
if (!codec_string || (smh->media_flags & SCMF_DISABLE_TRANSCODING)) {
codec_string = ocodec;
} else {
if (!(codec_string = switch_core_session_sprintf(smh->session, "%s,%s", ocodec, codec_string))) {
codec_string = ocodec;
}
}
}
ready:
if (codec_string) {
char *tmp_codec_string = switch_core_session_strdup(smh->session, codec_string);
smh->codec_order_last = switch_separate_string(tmp_codec_string, ',', smh->codec_order, SWITCH_MAX_CODECS);
smh->num_codecs = switch_loadable_module_get_codecs_sorted(smh->codecs, SWITCH_MAX_CODECS, smh->codec_order, smh->codec_order_last);
} else {
smh->num_codecs = switch_loadable_module_get_codecs(smh->codecs, sizeof(smh->codecs) / sizeof(smh->codecs[0]));
}
}
/* For Emacs:
* Local Variables:
* mode:c