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FS-9864: mod_opus : Added OPUS@16000 with 10, 20, 40, 60 ms ptime

This commit is contained in:
Dragos Oancea 2016-12-20 10:34:16 -05:00 committed by Mike Jerris
parent 568384d392
commit 3802a68d46
1 changed files with 115 additions and 0 deletions
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115
src/mod/codecs/mod_opus/mod_opus.c
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@ -89,6 +89,21 @@ static opus_codec_settings_t default_codec_settings_8k = {
/*.samplerate*/ 0
};
static opus_codec_settings_t default_codec_settings_16k = {
/*.useinbandfec */ 1,
/*.usedtx */ 1,
/*.maxaveragebitrate */ 20000,
/*.maxplaybackrate */ 16000,
/*.stereo*/ 0,
/*.cbr*/ 0,
/*.sprop_maxcapturerate*/ 16000,
/*.sprop_stereo*/ 0,
/*.maxptime*/ 60,
/*.minptime*/ 10,
/*.ptime*/ 0,
/*.samplerate*/ 0
};
struct dec_stats {
uint32_t fec_counter;
uint32_t plc_counter;
@ -1330,6 +1345,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_opus_load)
codec_interface->parse_fmtp = switch_opus_fmtp_parse;
/* 48 khz */
settings = default_codec_settings;
settings.useinbandfec = opus_prefs.fec_decode;
@ -1404,7 +1420,104 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_opus_load)
mss *= 2;
}
/* 16 khz */
samples = 480;
bytes = 320;
mss = 10000;
rate = 16000;
settings = default_codec_settings_16k;
settings.useinbandfec = opus_prefs.fec_decode;
settings.cbr = !opus_prefs.use_vbr;
settings.usedtx = opus_prefs.use_dtx;
if (opus_prefs.maxaveragebitrate) {
settings.maxaveragebitrate = opus_prefs.maxaveragebitrate;
}
if (opus_prefs.maxplaybackrate) {
settings.maxplaybackrate = opus_prefs.maxplaybackrate;
}
if (opus_prefs.sprop_maxcapturerate) {
settings.sprop_maxcapturerate = opus_prefs.sprop_maxcapturerate;
}
for (x = 0; x < 3; x++) {
settings.stereo = 0;
settings.ptime = mss / 1000;
settings.samplerate = rate;
dft_fmtp = gen_fmtp(&settings, pool);
switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
116, /* the IANA code number */
"opus",/* the IANA code name */
dft_fmtp, /* default fmtp to send (can be overridden by the init function) */
48000, /* samples transferred per second */
rate, /* actual samples transferred per second */
bits, /* bits transferred per second */
mss, /* number of microseconds per frame */
samples, /* number of samples per frame */
bytes, /* number of bytes per frame decompressed */
0, /* number of bytes per frame compressed */
1,/* number of channels represented */
1, /* number of frames per network packet */
switch_opus_init, /* function to initialize a codec handle using this implementation */
switch_opus_encode, /* function to encode raw data into encoded data */
switch_opus_decode, /* function to decode encoded data into raw data */
switch_opus_destroy); /* deinitalize a codec handle using this implementation */
codec_interface->implementations->codec_control = switch_opus_control;
settings.stereo = 1;
dft_fmtp = gen_fmtp(&settings, pool);
switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
116, /* the IANA code number */
"opus",/* the IANA code name */
dft_fmtp, /* default fmtp to send (can be overridden by the init function) */
48000, /* samples transferred per second */
rate, /* actual samples transferred per second */
bits, /* bits transferred per second */
mss, /* number of microseconds per frame */
samples, /* number of samples per frame */
bytes * 2, /* number of bytes per frame decompressed */
0, /* number of bytes per frame compressed */
2,/* number of channels represented */
1, /* number of frames per network packet */
switch_opus_init, /* function to initialize a codec handle using this implementation */
switch_opus_encode, /* function to encode raw data into encoded data */
switch_opus_decode, /* function to decode encoded data into raw data */
switch_opus_destroy); /* deinitalize a codec handle using this implementation */
codec_interface->implementations->codec_control = switch_opus_control;
if (x == 1) { /*20 ms * 3 = 60 ms */
settings.stereo = 0;
settings.ptime = mss * 3 / 1000;
dft_fmtp = gen_fmtp(&settings, pool);
switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
116, /* the IANA code number */
"opus",/* the IANA code name */
dft_fmtp, /* default fmtp to send (can be overridden by the init function) */
48000, /* samples transferred per second */
rate, /* actual samples transferred per second */
bits, /* bits transferred per second */
mss * 3, /* number of microseconds per frame */
samples * 3, /* number of samples per frame */
bytes * 3, /* number of bytes per frame decompressed */
0, /* number of bytes per frame compressed */
1,/* number of channels represented */
1, /* number of frames per network packet */
switch_opus_init, /* function to initialize a codec handle using this implementation */
switch_opus_encode, /* function to encode raw data into encoded data */
switch_opus_decode, /* function to decode encoded data into raw data */
switch_opus_destroy); /* deinitalize a codec handle using this implementation */
codec_interface->implementations->codec_control = switch_opus_control;
}
bytes *= 2;
samples *= 2;
mss *= 2;
}
/* 8 khz */
samples = 480;
bytes = 160;
mss = 10000;
@ -1529,6 +1642,8 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_opus_load)
mss *= 2;
}
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}