Preston_PLB/freeswitch
1
0
Fork 0
forked from Mirrors/freeswitch
Code Pull Requests Activity

mod_sangoma_codec: add SIREN7 24kbps

Browse Source
This commit is contained in:
Moises Silva 2010-11-12 12:39:32 -05:00
parent fcaf267757
commit 3acc5fdb64
1 changed files with 62 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
src/mod/codecs/mod_sangoma_codec/mod_sangoma_codec.c
View File

@ -40,7 +40,6 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_sangoma_codec_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_sangoma_codec_shutdown);
SWITCH_MODULE_DEFINITION(mod_sangoma_codec, mod_sangoma_codec_load, mod_sangoma_codec_shutdown, NULL);
#define IANA_LINEAR 10
#define SANGOMA_SESS_HASH_KEY_FORMAT "sngtc%lu"
/* it seemed we need higher PTIME than the calling parties, so we assume nobody will use higher ptime than 40 */
@ -83,15 +82,13 @@ typedef struct vocallo_codec_s {
int autoinit; /* initialize on start loop or manually */
} vocallo_codec_t;
#define ILBC_133_PAYLOAD 97
#define ILBC_152_PAYLOAD 98
vocallo_codec_t g_codec_map[] =
{
/* auto-init codecs */
{ SNGTC_CODEC_PCMU, IANA_PCMU_A_8000_1, "PCMU", "Sangoma PCMU", 40, 64000, 10000, 80, 160, 80, 8000, 8000, 1 },
{ SNGTC_CODEC_PCMA, IANA_PCMA_A_8000_1, "PCMA", "Sangoma PCMA", 40, 64000, 10000, 80, 160, 80, 8000, 8000, 1 },
{ SNGTC_CODEC_L16_1, IANA_L16_A_44100_1, "L16", "Sangoma L16", 40, 120000, 10000, 80, 160, 160, 8000, 8000, 0 },
{ SNGTC_CODEC_L16_2, IANA_L16_A_44100_1, "L16", "Sangoma L16 2", 40, 320000, 10000, 160, 320, 320, 16000, 16000, 0 },
{ SNGTC_CODEC_L16_1, IANA_L16_A_8000_1, "L16", "Sangoma L16", 40, 120000, 10000, 80, 160, 160, 8000, 8000, 0 },
{ SNGTC_CODEC_L16_2, IANA_L16_A_16000_1, "L16", "Sangoma L16 2", 40, 320000, 10000, 160, 320, 320, 16000, 16000, 0 },
{ SNGTC_CODEC_G729AB, IANA_G729_AB_8000_1, "G729", "Sangoma G729", 40, 8000, 10000, 80, 160, 10, 8000, 8000, 1 },
{ SNGTC_CODEC_G726_32, IANA_G726_32_8000_1, "G726-32", "Sangoma G.726 32k", 40, 32000, 10000, 80, 160, 40, 8000, 8000, 1 },
{ SNGTC_CODEC_G722, IANA_G722_A_8000_1, "G722", "Sangoma G722", 20, 64000, 10000, 80, 160, 80, 8000, 8000, 1 },
@ -100,9 +97,10 @@ vocallo_codec_t g_codec_map[] =
{ SNGTC_CODEC_GSM_FR, IANA_GSM_A_8000_1, "GSM", "Sangoma GSM", 20, 13200, 20000, 160, 320, 33, 8000, 8000, 0 },
{ SNGTC_CODEC_G723_1_63, IANA_G723_A_8000_1, "G723", "Sangoma G723", 90, 6300, 30000, 240, 480, 24, 8000, 8000, 0 },
{ SNGTC_CODEC_AMR_1220, IANA_AMR_WB_16000_1, "AMR", "Sangoma AMR", 20, 12200, 20000, 160, 320, 0, 8000, 8000, 0 },
{ SNGTC_CODEC_SIREN7_24, IANA_SIREN7, "G7221", "Sangoma G722.1", 20, 24000, 20000, 320, 640, 60, 16000, 16000, 0 },
{ SNGTC_CODEC_SIREN7_32, IANA_SIREN7, "G7221", "Sangoma G722.1", 20, 32000, 20000, 320, 640, 80, 16000, 16000, 0 },
{ SNGTC_CODEC_ILBC_133, IANA_ILBC_133_8000_1, "iLBC", "Sangoma iLBC", -1, -1, -1, -1, -1, -1, -1, -1, 0 },
{ SNGTC_CODEC_ILBC_152, IANA_ILBC_152_8000_1, "iLBC", "Sangoma iLBC", -1, -1, -1, -1, -1, -1, -1, -1, 0 },
{ SNGTC_CODEC_ILBC_133, IANA_ILBC_133_8000_1, "iLBC", "Sangoma iLBC", 30, 13300, 30000, 240, 480, 50, 8000, 8000, 0 },
{ SNGTC_CODEC_ILBC_152, IANA_ILBC_152_8000_1, "iLBC", "Sangoma iLBC", 20, 15200, 20000, 160, 320, 38, 8000, 8000, 0 },
{ -1, -1, NULL, NULL, -1, -1, -1, -1, -1, -1, -1, -1, 0 },
};
@ -182,11 +180,14 @@ static int codec_id_to_iana(int codec_id)
return -1;
}
static vocallo_codec_t *get_codec_from_iana(int iana)
static vocallo_codec_t *get_codec_from_iana(int iana, int bitrate)
{
int i;
for (i = 0; g_codec_map[i].codec_id != -1; i++) {
if (iana == g_codec_map[i].iana) {
if (iana == g_codec_map[i].iana && !bitrate) {
return &g_codec_map[i];
}
if (iana == g_codec_map[i].iana && bitrate == g_codec_map[i].bps) {
return &g_codec_map[i];
}
}
@ -320,7 +321,7 @@ static switch_status_t switch_sangoma_init(switch_codec_t *codec, switch_codec_f
sess->pool = codec->memory_pool;
sess->impl = codec->implementation;
vcodec = get_codec_from_iana(codec->implementation->ianacode);
vcodec = get_codec_from_iana(codec->implementation->ianacode, codec->implementation->bits_per_second);
switch_mutex_lock(g_sessions_lock);
@ -442,6 +443,7 @@ static switch_status_t switch_sangoma_encode(switch_codec_t *codec, switch_codec
switch_time_t func_start_time = 0, func_end_time = 0;
int i = 0;
int res = 0;
int linear_payload = codec->implementation->actual_samples_per_second == 8000 ? IANA_L16_A_8000_1 : IANA_L16_A_16000_1;
struct sangoma_transcoding_session *sess = codec->private_info;
if (sess->encoder.debug_timing) {
@ -480,7 +482,7 @@ static switch_status_t switch_sangoma_encode(switch_codec_t *codec, switch_codec
linear_frame.source = __FUNCTION__;
linear_frame.data = decoded_byteswapped_data;
linear_frame.datalen = decoded_data_len;
linear_frame.payload = IANA_LINEAR;
linear_frame.payload = linear_payload;
/* copy and byte-swap */
for (i = 0; i < decoded_data_len/2; i++) {
@ -538,9 +540,9 @@ static switch_status_t switch_sangoma_encode(switch_codec_t *codec, switch_codec
if (sess->encoder.request.b.codec_id == SNGTC_CODEC_ILBC_152 || sess->encoder.request.b.codec_id == SNGTC_CODEC_ILBC_133) {
/* since we moved to SOAP based communications, the mapping between vocallo IANA and our IANA does not work,
* some codecs checks cannot be completely done, like iLBC */
if (encoded_frame.payload != ILBC_152_PAYLOAD && encoded_frame.payload != ILBC_133_PAYLOAD) {
if (encoded_frame.payload != IANA_ILBC_152_8000_1 && encoded_frame.payload != IANA_ILBC_133_8000_1) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Read unexpected payload %d in Sangoma encoder RTP session, expecting either %d or %d\n",
encoded_frame.payload, ILBC_152_PAYLOAD, ILBC_133_PAYLOAD);
encoded_frame.payload, IANA_ILBC_152_8000_1, IANA_ILBC_133_8000_1);
break;
}
} else {
@ -640,6 +642,7 @@ static switch_status_t switch_sangoma_decode(switch_codec_t *codec, /* codec ses
uint16_t *rtp_data_linear;
int res = 0;
int i = 0;
int linear_payload = codec->implementation->actual_samples_per_second == 8000 ? IANA_L16_A_8000_1 : IANA_L16_A_16000_1;
struct sangoma_transcoding_session *sess = codec->private_info;
if (sess->decoder.debug_timing) {
@ -729,9 +732,9 @@ static switch_status_t switch_sangoma_decode(switch_codec_t *codec, /* codec ses
continue;
}
if (linear_frame.payload != IANA_LINEAR) {
if (linear_frame.payload != linear_payload) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Read unexpected payload %d in Sangoma decoder RTP session, expecting %d\n",
linear_frame.payload, IANA_LINEAR);
linear_frame.payload, linear_payload);
break;
}
@ -1163,7 +1166,9 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_sangoma_codec_load)
switch_api_interface_t *api_interface = NULL;
int i = 0, c = 0;
int ilbc_done = 0;
int siren_done = 0;
vocallo_codec_t *ilbc_codec = NULL;
vocallo_codec_t *siren_codec = NULL;
int detected = 0, activated = 0;
/* make sure we have valid configuration */
@ -1221,17 +1226,18 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_sangoma_codec_load)
continue;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Registering implementations for codec %s\n", g_codec_map[c].iana_name);
/* let know the library which iana to use */
sngtc_set_iana_code_based_on_codec_id(g_codec_map[c].codec_id, g_codec_map[c].iana);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Mapped codec %d to IANA %d\n", g_codec_map[c].codec_id, g_codec_map[c].iana);
/* special check for iLBC to add a single codec interface for both ILBC bitrate versions */
if ((g_codec_map[c].codec_id == SNGTC_CODEC_ILBC_152 || g_codec_map[c].codec_id == SNGTC_CODEC_ILBC_133) && ilbc_done) {
continue;
}
/* special check for siren to add a single codec interface for all siren bitrate versions */
if ((g_codec_map[c].codec_id == SNGTC_CODEC_SIREN7_24 || g_codec_map[c].codec_id == SNGTC_CODEC_SIREN7_32) && siren_done) {
continue;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Registering implementations for codec %s\n", g_codec_map[c].iana_name);
/* SWITCH_ADD_CODEC allocates a codec interface structure from the pool the core gave us and adds it to the internal interface
* list the core keeps, gets a codec id and set the given codec name to it.
* At this point there is an empty shell codec interface registered, but not yet implementations */
@ -1382,25 +1388,49 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_sangoma_codec_load)
switch_sangoma_destroy); /* deinitalize a codec handle using this implementation */
break;
case SNGTC_CODEC_SIREN7_24:
case SNGTC_CODEC_SIREN7_32:
siren_codec = get_codec_from_id(SNGTC_CODEC_SIREN7_24);
switch_core_codec_add_implementation(pool, codec_interface, /* the codec interface we allocated and we want to register with the core */
SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
g_codec_map[c].iana, /* the IANA code number, ie http://www.iana.org/assignments/rtp-parameters */
g_codec_map[c].iana_name, /* the IANA code name */
"bitrate=32000", /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
g_codec_map[c].sampling_rate, /* samples transferred per second */
g_codec_map[c].actual_sampling_rate, /* actual samples transferred per second */
g_codec_map[c].bps, /* bits transferred per second */
g_codec_map[c].mpf, /* microseconds per frame */
g_codec_map[c].spf, /* samples per frame */
g_codec_map[c].bpfd, /* number of bytes per frame decompressed */
g_codec_map[c].bpfc, /* number of bytes per frame compressed */
siren_codec->iana, /* the IANA code number, ie http://www.iana.org/assignments/rtp-parameters */
siren_codec->iana_name, /* the IANA code name */
"bitrate=24000", /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
siren_codec->sampling_rate, /* samples transferred per second */
siren_codec->actual_sampling_rate, /* actual samples transferred per second */
siren_codec->bps, /* bits transferred per second */
siren_codec->mpf, /* microseconds per frame */
siren_codec->spf, /* samples per frame */
siren_codec->bpfd, /* number of bytes per frame decompressed */
siren_codec->bpfc, /* number of bytes per frame compressed */
1, /* number of channels represented */
g_codec_map[c].spf, /* number of frames per network packet (I dont think this is used at all) */
siren_codec->spf, /* number of frames per network packet (I dont think this is used at all) */
switch_sangoma_init_siren7, /* function to initialize a codec session using this implementation */
switch_sangoma_encode, /* function to encode slinear data into encoded data */
switch_sangoma_decode, /* function to decode encoded data into slinear data */
switch_sangoma_destroy); /* deinitalize a codec handle using this implementation */
siren_codec = get_codec_from_id(SNGTC_CODEC_SIREN7_32);
switch_core_codec_add_implementation(pool, codec_interface, /* the codec interface we allocated and we want to register with the core */
SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
siren_codec->iana, /* the IANA code number, ie http://www.iana.org/assignments/rtp-parameters */
siren_codec->iana_name, /* the IANA code name */
"bitrate=32000", /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
siren_codec->sampling_rate, /* samples transferred per second */
siren_codec->actual_sampling_rate, /* actual samples transferred per second */
siren_codec->bps, /* bits transferred per second */
siren_codec->mpf, /* microseconds per frame */
siren_codec->spf, /* samples per frame */
siren_codec->bpfd, /* number of bytes per frame decompressed */
siren_codec->bpfc, /* number of bytes per frame compressed */
1, /* number of channels represented */
siren_codec->spf, /* number of frames per network packet (I dont think this is used at all) */
switch_sangoma_init_siren7, /* function to initialize a codec session using this implementation */
switch_sangoma_encode, /* function to encode slinear data into encoded data */
switch_sangoma_decode, /* function to decode encoded data into slinear data */
switch_sangoma_destroy); /* deinitalize a codec handle using this implementation */
siren_done = 1;
break;
default: