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MT#62687 support codec preferences

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Change-Id: Ib8eaca5b2223cf7eb40e9dc68e8ab05782bd4f99
pull/1938/head
Richard Fuchs 7 months ago
parent ac2d404904
commit 71addf5118
7 changed files with 830 additions and 31 deletions
Show Stats Download Patch File Download Diff File

87
daemon/codec.c
Unescape View File

@ -376,6 +376,29 @@ static struct codec_handler codec_handler_stub_blackhole = {
static unsigned int __codec_pipeline_hash(const struct codec_pipeline_index *i) {
return str_case_hash(&i->src.encoding)
^ str_case_hash(&i->dst.encoding)
^ i->src.clock_rate
^ i->dst.clock_rate
^ i->src.channels
^ i->dst.channels;
}
static gboolean __codec_pipeline_eq(const struct codec_pipeline_index *a, const struct codec_pipeline_index *b) {
return str_case_equal(&a->src.encoding, &b->src.encoding)
&& str_case_equal(&a->dst.encoding, &b->dst.encoding)
&& a->src.clock_rate == b->src.clock_rate
&& a->dst.clock_rate == b->dst.clock_rate
&& a->src.channels == b->src.channels
&& a->dst.channels == b->dst.channels;
}
TYPED_GHASHTABLE_IMPL(transcode_config_ht, __codec_pipeline_hash, __codec_pipeline_eq, NULL, NULL)
static transcode_config_ht rtpe_transcode_config;
static bool have_codec_preferences;
static void __transform_handler_shutdown(struct transform_handler *tfh) {
if (!tfh)
return;
@ -1358,6 +1381,31 @@ static int __codec_handler_eq(const struct codec_handler_index *h, const struct
TYPED_GHASHTABLE_IMPL(codec_handlers_ht, __codec_handler_hash, __codec_handler_eq, NULL, NULL)
static int direct_rev_cmp(const void *a, const void *b) {
return GPOINTER_TO_INT(a) < GPOINTER_TO_INT(b) ? 1 : GPOINTER_TO_INT(a) > GPOINTER_TO_INT(b) ? -1 : 0;
}
static GTree *codec_make_prefs_tree(rtp_payload_type *pt, struct codec_store *cs) {
if (!have_codec_preferences)
return NULL;
GTree *ret = g_tree_new(direct_rev_cmp);
for (__auto_type l = cs->codec_prefs.head; l; l = l->next) {
__auto_type dst = l->data;
struct codec_pipeline_index pi = { .src = *pt, .dst = *dst };
__auto_type lookup = t_hash_table_lookup(rtpe_transcode_config, &pi);
int pref = 0;
if (lookup)
pref = lookup->preference;
// first one of each unique preference wins
if (!g_tree_lookup(ret, GINT_TO_POINTER(pref)))
g_tree_insert(ret, GINT_TO_POINTER(pref), dst);
}
return ret;
}
/**
* receiver - media / sink - other_media
* call must be locked in W
@ -1486,6 +1534,8 @@ void __codec_handlers_update(struct call_media *receiver, struct call_media *sin
rtp_payload_type *pt = l->data;
rtp_payload_type *sink_pt = NULL;
g_autoptr(GTree) codec_preferences = codec_make_prefs_tree(pt, &sink->codecs);
ilogs(codec, LOG_DEBUG, "Checking receiver codec " STR_FORMAT "/" STR_FORMAT " (%i)",
STR_FMT(&pt->encoding_with_full_params),
STR_FMT0(&pt->format_parameters),
@ -1530,13 +1580,19 @@ void __codec_handlers_update(struct call_media *receiver, struct call_media *sin
sink_pt = pt;
}
rtp_payload_type *weighted_pref_dest_codec = NULL;
if (codec_preferences)
weighted_pref_dest_codec = rtpe_g_tree_first(codec_preferences);
if (!weighted_pref_dest_codec)
weighted_pref_dest_codec = pref_dest_codec;
if (sink_pt && !pt->codec_def->supplemental) {
// we have a matching output codec. do we actually want to use it, or
// do we want to transcode to something else?
// ignore the preference here - for now, all `for_transcoding` codecs
// take preference
if (pref_dest_codec && pref_dest_codec->for_transcoding)
sink_pt = pref_dest_codec;
if (weighted_pref_dest_codec && weighted_pref_dest_codec->for_transcoding)
sink_pt = weighted_pref_dest_codec;
}
// ignore DTMF sink if we're blocking DTMF in PCM replacement mode
@ -1545,7 +1601,7 @@ void __codec_handlers_update(struct call_media *receiver, struct call_media *sin
// still no output? pick the preferred sink codec
if (!sink_pt)
sink_pt = pref_dest_codec;
sink_pt = weighted_pref_dest_codec;
if (!sink_pt) {
ilogs(codec, LOG_DEBUG, "No suitable output codec for " STR_FORMAT "/" STR_FORMAT,
@ -6326,28 +6382,6 @@ static void codec_worker(void *d) {
thread_waker_del(&waker);
}
static unsigned int __codec_pipeline_hash(const struct codec_pipeline_index *i) {
return str_case_hash(&i->src.encoding)
^ str_case_hash(&i->dst.encoding)
^ i->src.clock_rate
^ i->dst.clock_rate
^ i->src.channels
^ i->dst.channels;
}
static gboolean __codec_pipeline_eq(const struct codec_pipeline_index *a, const struct codec_pipeline_index *b) {
return str_case_equal(&a->src.encoding, &b->src.encoding)
&& str_case_equal(&a->dst.encoding, &b->dst.encoding)
&& a->src.clock_rate == b->src.clock_rate
&& a->dst.clock_rate == b->dst.clock_rate
&& a->src.channels == b->src.channels
&& a->dst.channels == b->dst.channels;
}
TYPED_GHASHTABLE_IMPL(transcode_config_ht, __codec_pipeline_hash, __codec_pipeline_eq, NULL, NULL)
transcode_config_ht rtpe_transcode_config;
#endif
void codecs_init(void) {
@ -6387,6 +6421,9 @@ void codecs_init(void) {
.channels = tcc->i.dst.channels,
.clockrate = tcc->i.dst.clock_rate,
});
if (tcc->preference)
have_codec_preferences = true;
}
#endif
}

10
daemon/main.c
Unescape View File

@ -432,9 +432,17 @@ static void do_transcode_config(const char *name, charp_ht ht, struct transcode_
die("Failed to parse source codec '%s' in transcode config '%s'", src, name);
char *tfm = t_hash_table_lookup(ht, "transform");
char *pref_s = t_hash_table_lookup(ht, "preference");
#ifdef HAVE_CODEC_CHAIN
char *cc = t_hash_table_lookup(ht, "codec-chain");
#endif
int pref = 0;
if (pref_s)
pref = atoi(pref_s);
tc->preference = pref;
if (tfm) {
if (!endpoint_parse_any_getaddrinfo_full(&tc->transform, tfm))
die("Failed to parse transform endpoint '%s' in transcode config '%s'", tfm, name);
@ -452,7 +460,7 @@ static void do_transcode_config(const char *name, charp_ht ht, struct transcode_
tc->codec_chain = true;
}
#endif
else
else if (!pref)
die("Transcode config '%s' has no verdict", name);
}

53
docs/rtpengine.md
Unescape View File

@ -1858,6 +1858,59 @@ For example, if __source=PCMU__ and __destination=PCMA__ are set, then this
particular transcoding config section would be considered if the received codec
is PCMU and the requested output codec is PCMA.
### __preference__ Verdict
This verdict can be used on its own, or can be used in combination with some
other verdict. It configures a preference for a particular codec combination,
relative to other codec combinations. The default preference (none configured)
is zero. Codec combinations with higher (positive) preference values will be
considered as better options than the default, while lower (negative)
preference values will be considered as worse options.
For example consider the following configuration:
transcode-config = tc
[tc-PCMA-PCMU-higher]
source = PCMA
destination = PCMU
preference = 5
[tc-GSM-G723-lower]
source = G723
destination = GSM
preference = -5
Consider a received offer SDP listing codecs GSM, PCMU, and G722 (in that
order), with transcoding to PCMA and G723 requested. The outgoing offer SDP
would therefore list GSM, PCMU, G722, PCMA, and G723 (in that order).
If the answer were to accept any of GSM, PCMU, or G722, then pass-through
without transcoding would occur.
If the answer were to accept any of the other codecs that were requested for
transcoding (PCMA or G723), then normally the first offered codec (GSM) would
be used as transcoding partner. But:
If the answer were to accept PCMA, then GSM as transcoding partner would be
considered with a preference of zero, as no config section matches this pair.
However the config section `tc-PCMA-PCMU-higher` matches PCMU as transcoding
partner for PCMA and would give that pair a higher preference (5). PCMU would
therefore win with the highest preference, and transcoding would occur between
PCMA and PCMU.
If the answer were to accept G723, then the config section `tc-GSM-G723-lower`
would be considered and would give GSM as transcoding partner a negative
preference of -5. The next possible codec (PCMU) doesn't have a matching config
section and so would be considered with a preference of zero. PCMU would
therefore win and transcoding would occur between G723 and PCMU.
_NOTE: These config sections operate directionally, meaning that in the above
example, a config section listing `source = GSM` and `destination = G723` would
not be considered. If a codec pair ought to receive the same preference value
regardless of the direction, then it must be listed twice, with source and
destination swapped._
### __transform__ Verdict
To use the __transform__ verdict, the config key __transform=...__ must be set.

6
include/codec.h
Unescape View File

@ -116,6 +116,8 @@ struct transcode_config {
struct codec_pipeline_index i; // parsed
int preference; // default: 0
// transform verdict
endpoint_t transform;
str local_interface;
@ -272,10 +274,6 @@ INLINE struct codec_handler *codec_handler_lookup(codec_handlers_ht ht, int pt,
}
extern transcode_config_ht rtpe_transcode_config;
#else
INLINE void __codec_handlers_update(struct call_media *receiver, struct call_media *sink, struct chu_args a)

5
t/Makefile
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@ -150,7 +150,7 @@ daemon-tests: daemon-tests-main daemon-tests-jb daemon-tests-pubsub daemon-tests
daemon-tests-templ-def daemon-tests-templ-def-offer \
daemon-tests-sdp-manipulations daemon-tests-sdes-manipulations \
daemon-tests-sdp-orig-replacements daemon-tests-moh daemon-tests-evs-dtx daemon-tests-transform \
daemon-tests-transcode-config
daemon-tests-transcode-config daemon-tests-codec-prefs
daemon-test-deps: tests-preload.so
$(MAKE) -C ../daemon
@ -252,6 +252,9 @@ daemon-tests-t38: daemon-test-deps spandsp_recv_fax_pcm spandsp_recv_fax_t38 \
daemon-tests-evs-dtx: daemon-test-deps
./auto-test-helper "$@" perl -I../perl auto-daemon-tests-evs-dtx.pl
daemon-tests-codec-prefs: daemon-test-deps
./auto-test-helper "$@" perl -I../perl auto-daemon-tests-codec-prefs.pl
test-bitstr: test-bitstr.o
test-mix-buffer: test-mix-buffer.o $(COMMONOBJS) mix_buffer.o ssrc.o rtp.o crypto.o helpers.o \

671
t/auto-daemon-tests-codec-prefs.pl
Unescape View File

@ -0,0 +1,671 @@
#!/usr/bin/perl
use strict;
use warnings;
use NGCP::Rtpengine::Test;
use NGCP::Rtpclient::SRTP;
use NGCP::Rtpengine::AutoTest;
use Test::More;
use NGCP::Rtpclient::ICE;
use POSIX;
autotest_start(qw(--config-file=test6.conf))
or die;
new_call;
offer('control - neutral passthrough', { codec => { transcode => ['PCMA', 'PCMU'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 8
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 8 0
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('control - neutral passthrough', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 8
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('control - neutral t/c', { codec => { transcode => ['PCMA', 'PCMU'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 8
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 8 0
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('control - neutral t/c', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 0
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('PCMU/opus lower preference - control', { codec => { transcode => ['PCMA', 'PCMU'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 8 96
c=IN IP4 198.51.100.1
a=rtpmap:96 opus/48000/2
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 8 96 0
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=rtpmap:96 opus/48000/2
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('PCMU/opus lower preference - control', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 0
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('PCMU/opus lower preference - passthrough', { codec => { transcode => ['PCMA', 'PCMU'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 96 8
c=IN IP4 198.51.100.1
a=rtpmap:96 opus/48000/2
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 96 8 0
c=IN IP4 203.0.113.1
a=rtpmap:96 opus/48000/2
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('PCMU/opus lower preference - passthrough', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 8
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('PCMU/opus lower preference', { codec => { transcode => ['PCMA', 'PCMU'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 96 8
c=IN IP4 198.51.100.1
a=rtpmap:96 opus/48000/2
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 96 8 0
c=IN IP4 203.0.113.1
a=rtpmap:96 opus/48000/2
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('PCMU/opus lower preference', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 0
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('PCMU/opus lower preference - speex control', { codec => { transcode => ['PCMA', 'PCMU', 'speex'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 96 0
c=IN IP4 198.51.100.1
a=rtpmap:96 opus/48000/2
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 96 0 8 97
c=IN IP4 203.0.113.1
a=rtpmap:96 opus/48000/2
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:97 speex/16000
a=sendrecv
a=rtcp:PORT
SDP
answer('PCMU/opus lower preference - PCMA control', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 97
c=IN IP4 198.51.100.3
a=rtpmap:97 speex/16000
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 96
c=IN IP4 203.0.113.1
a=rtpmap:96 opus/48000/2
a=fmtp:96 stereo=0; useinbandfec=1
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('G722/opus higher preference - control', { codec => { transcode => ['PCMA', 'PCMU', 'opus'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 8 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 8 9 0 96
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1
a=sendrecv
a=rtcp:PORT
SDP
answer('G722/opus higher preference - control', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 0
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('G722/opus higher preference - passthrough', { codec => { transcode => ['PCMA', 'PCMU', 'opus'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 8 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 8 9 0 96
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1
a=sendrecv
a=rtcp:PORT
SDP
answer('G722/opus higher preference - passthrough', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 8
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 8
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('G722/opus higher preference', { codec => { transcode => ['PCMA', 'PCMU', 'opus'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 8 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 8 9 0 96
c=IN IP4 203.0.113.1
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1
a=sendrecv
a=rtcp:PORT
SDP
answer('G722/opus higher preference', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 96
c=IN IP4 198.51.100.3
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 9
c=IN IP4 203.0.113.1
a=rtpmap:9 G722/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('docs example 1', { codec => { transcode => ['PCMA', 'G723'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 3 0 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 3 0 9 8 4
c=IN IP4 203.0.113.1
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('docs example 1', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 0
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 0
c=IN IP4 203.0.113.1
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('docs example 2', { codec => { transcode => ['PCMA', 'G723'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 3 0 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 3 0 9 8 4
c=IN IP4 203.0.113.1
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('docs example 2', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 3
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 3
c=IN IP4 203.0.113.1
a=rtpmap:3 GSM/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('docs example 3', { codec => { transcode => ['PCMA', 'G723'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 3 0 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 3 0 9 8 4
c=IN IP4 203.0.113.1
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('docs example 3', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 9
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 9
c=IN IP4 203.0.113.1
a=rtpmap:9 G722/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('docs example 4', { codec => { transcode => ['PCMA', 'G723'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 3 0 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 3 0 9 8 4
c=IN IP4 203.0.113.1
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('docs example 4', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 8
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 0
c=IN IP4 203.0.113.1
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
new_call;
offer('docs example 5', { codec => { transcode => ['PCMA', 'G723'] } }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio 3000 RTP/AVP 3 0 9
c=IN IP4 198.51.100.1
a=sendrecv
----------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.1
s=tester
t=0 0
m=audio PORT RTP/AVP 3 0 9 8 4
c=IN IP4 203.0.113.1
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:4 G723/8000
a=sendrecv
a=rtcp:PORT
SDP
answer('docs example 5', { }, <<SDP);
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio 33042 RTP/AVP 4
c=IN IP4 198.51.100.3
a=sendrecv
--------------------------------------
v=0
o=- 1545997027 1 IN IP4 198.51.100.3
s=tester
t=0 0
m=audio PORT RTP/AVP 0
c=IN IP4 203.0.113.1
a=rtpmap:0 PCMU/8000
a=sendrecv
a=rtcp:PORT
SDP
#done_testing;NGCP::Rtpengine::AutoTest::terminate('f00');exit;
done_testing();

29
t/test6.conf
Unescape View File

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[rtpengine]
table = -1
interface = 203.0.113.1
listen-ng = 2223
foreground = true
log-level = 7
log-stderr = true
transcode-config = tc
[tc-PCMU-opus-lower]
source = PCMU
destination = opus
preference = -5
[tc-opus-G722-higher]
source = opus
destination = G722
preference = 5
# examples from docs:
[tc-PCMA-PCMU-higher]
source = PCMA
destination = PCMU
preference = 5
[tc-GSM-G723-lower]
source = G723
destination = GSM
preference = -5
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