* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <switch.h>
-#include <g711.h>
+#include "switch.h"
+#include "g711.h"
#include <sangoma_transcode.h>
int iana; /* IANA code to register in FS */
const char *iana_name; /* IANA name to register in FS */
const char *fs_name;
- int maxms; /* max supported ms */
+ int maxms; /* max supported ms (WARNING: codec impl from 10ms up to this value will be registered if autoinit=1) */
int bps; /* bits per second */
/* following values must be set assuming frames of 10ms */
int spf; /* samples per frame */
int bpfd; /* bytes per frame decompressed */
int bpfc; /* bytes per frame compressed */
+
+ int autoinit; /* initialize on start loop or manually */
} vocallo_codec_t;
vocallo_codec_t g_codec_map[] =
{
- { SNGTC_CODEC_PCMU, 0, "PCMU", "Sangoma PCMU", 40, 64000, 10000, 80, 160, 80 },
- { SNGTC_CODEC_PCMA, 8, "PCMA", "Sangoma PCMA", 40, 64000, 10000, 80, 160, 80 },
- { SNGTC_CODEC_L16_1, 10, "L16", "Sangoma L16", 40, 120000, 10000, 80, 160, 160 },
- { SNGTC_CODEC_G729AB, 18, "G729", "Sangoma G729", 40, 8000, 10000, 80, 160, 10 },
- { SNGTC_CODEC_G722, 9, "G722", "Sangoma G722", 20, 64000, 10000, 80, 320, 80 },
- { SNGTC_CODEC_G726_32, 122, "G726-32", "Sangoma G.726 32k", 40, 32000, 10000, 80, 160, 40 },
+ { SNGTC_CODEC_PCMU, 0, "PCMU", "Sangoma PCMU", 40, 64000, 10000, 80, 160, 80 , 1},
+ { SNGTC_CODEC_PCMA, 8, "PCMA", "Sangoma PCMA", 40, 64000, 10000, 80, 160, 80 , 1},
+ { SNGTC_CODEC_L16_1, 10, "L16", "Sangoma L16", 40, 120000, 10000, 80, 160, 160 , 1},
+ { SNGTC_CODEC_G729AB, 18, "G729", "Sangoma G729", 40, 8000, 10000, 80, 160, 10 , 1},
+ { SNGTC_CODEC_G726_32, 122, "G726-32", "Sangoma G.726 32k", 40, 32000, 10000, 80, 160, 40 , 1},
+ { SNGTC_CODEC_GSM_FR, 3, "GSM", "Sangoma GSM", 20, 13200, 20000, 160, 320, 33 , 0},
+ { SNGTC_CODEC_ILBC, 97, "iLBC", "Sangoma ILBC", -1, -1, -1, -1, -1, -1, 0},
#if 0
- FIXME: see mod_ilbc, and mod_voipcodecs to do this right
- { SNGTC_CODEC_GSM_FR, 3, "GSM", "Sangoma GSM", 20, 13200, 20000, 160, 320, 33 },
- { SNGTC_CODEC_ILBC, 97, "ILBC", "Sangoma ILBC", 40, mpf, spf, bpfd, bpfc },
+ /* this one may require special sampling parameters and only supports 20, not 10ms */
+ { SNGTC_CODEC_G722, 9, "G722", "Sangoma G722", 20, 64000, 10000, 80, 320, 80 , 0},
#endif
{ -1, -1, NULL, NULL, -1, -1, -1, -1, -1, -1 },
};
return SWITCH_STATUS_SUCCESS;
}
+static switch_status_t switch_sangoma_init_ilbc(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
+{
+ int mode = codec->implementation->microseconds_per_packet / 1000;
+ if (codec->fmtp_in) {
+ int x, argc;
+ char *argv[10];
+ argc = switch_separate_string(codec->fmtp_in, ';', argv, (sizeof(argv) / sizeof(argv[0])));
+ for (x = 0; x < argc; x++) {
+ char *data = argv[x];
+ char *arg;
+ switch_assert(data);
+ while (*data == ' ') {
+ data++;
+ }
+ if ((arg = strchr(data, '='))) {
+ *arg++ = '\0';
+ if (!strcasecmp(data, "mode")) {
+ mode = atoi(arg);
+ }
+ }
+ }
+ }
+ codec->fmtp_out = switch_core_sprintf(codec->memory_pool, "mode=%d", mode);
+ return switch_sangoma_init(codec, flags, codec_settings);
+}
+
static switch_status_t switch_sangoma_encode(switch_codec_t *codec, switch_codec_t *other_codec, /* codec that was used by the other side */
void *decoded_data, /* decoded data that we must encode */
uint32_t decoded_data_len /* decoded data length */ ,
SWITCH_ADD_CODEC(codec_interface, g_codec_map[c].fs_name);
/* Now add as many codec implementations as needed, just up to 40ms for now */
- for (i = 1; i <= 4; i++) {
+ if (g_codec_map[c].autoinit) {
+ for (i = 1; i <= 4; i++) {
+
+ if ((g_codec_map[c].maxms/10) < i) {
+ continue;
+ }
+
+ 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 */
+ NULL, /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
+ 8000, /* samples transferred per second */
+ 8000, /* actual samples transferred per second */
+ g_codec_map[c].bps, /* bits transferred per second */
+ g_codec_map[c].mpf * i, /* microseconds per frame */
+ g_codec_map[c].spf * i, /* samples per frame */
+ g_codec_map[c].bpfd * i, /* number of bytes per frame decompressed */
+ g_codec_map[c].bpfc * i, /* number of bytes per frame compressed */
+ 1, /* number of channels represented */
+ g_codec_map[c].spf * i, /* number of frames per network packet (I dont think this is used at all) */
+ switch_sangoma_init, /* 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 */
- if ((g_codec_map[c].maxms/10) < i) {
- continue;
}
- 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 */
- NULL, /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
- 8000, /* samples transferred per second */
- 8000, /* actual samples transferred per second */
- g_codec_map[c].bps, /* bits transferred per second */
- g_codec_map[c].mpf * i, /* microseconds per frame */
- g_codec_map[c].spf * i, /* samples per frame */
- g_codec_map[c].bpfd * i, /* number of bytes per frame decompressed */
- g_codec_map[c].bpfc * i, /* number of bytes per frame compressed */
- 1, /* number of channels represented */
- g_codec_map[c].spf * i, /* number of frames per network packet (I dont think this is used at all) */
- switch_sangoma_init, /* 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 */
+ } else {
+
+ /* custom implementation for some codecs */
+ switch (g_codec_map[c].codec_id) {
+ case SNGTC_CODEC_GSM_FR:
+ 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 */
+ NULL, /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
+ 8000, /* samples transferred per second */
+ 8000, /* 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 */
+ 1, /* number of channels represented */
+ g_codec_map[c].spf, /* number of frames per network packet (I dont think this is used at all) */
+ switch_sangoma_init, /* 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 */
+
+ break;
+ case SNGTC_CODEC_ILBC:
+ 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 */
+ "mode=20", /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
+ 8000, /* samples transferred per second */
+ 8000, /* actual samples transferred per second */
+ 15200, /* bits transferred per second */
+ 20000, /* microseconds per frame */
+ 160, /* samples per frame */
+ 320, /* number of bytes per frame decompressed */
+ 38, /* number of bytes per frame compressed */
+ 1, /* number of channels represented */
+ 1, /* number of frames per network packet (I dont think this is used at all) */
+ switch_sangoma_init_ilbc, /* 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 */
+#if 0
+ 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, /* 97, the IANA code number */
+ g_codec_map[c].iana_name, /* the IANA code name */
+ "mode=30", /* default fmtp to send (can be overridden by the init function), fmtp is used in SDP for format specific parameters */
+ 8000, /* samples transferred per second */
+ 8000, /* actual samples transferred per second */
+ 13300, /* bits transferred per second */
+ 30000, /* microseconds per frame */
+ 240, /* samples per frame */
+ 480, /* number of bytes per frame decompressed */
+ 50, /* number of bytes per frame compressed */
+ 1, /* number of channels represented */
+ 1, /* number of frames per network packet (I dont think this is used at all) */
+ switch_sangoma_init, /* 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 */
+#endif
+ break;
+ default:
+ break;
+ }
}
}