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add bitrate patch from moc with some extra stuff for late neg mode

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Anthony Minessale committed 2010-09-29 16:52:43 -05:00
1 parent f126b92e2e
commit 633f193dae
14 files changed
+555 -276
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src/mod/codecs/mod_amr/mod_amr.c
+111 -57
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@@ -98,11 +98,8 @@ typedef enum {
AMR_DTX_ENABLED
} amr_dtx_t;
struct amr_context {
void *encoder_state;
void *decoder_state;
switch_byte_t enc_modes;
switch_byte_t enc_mode;
/*! \brief Various codec settings */
struct amr_codec_settings {
int dtx_mode;
uint32_t change_period;
switch_byte_t max_ptime;
@@ -110,6 +107,24 @@ struct amr_context {
switch_byte_t channels;
switch_byte_t flags;
};
typedef struct amr_codec_settings amr_codec_settings_t;
static amr_codec_settings_t default_codec_settings = {
/*.dtx_mode */ AMR_DTX_ENABLED,
/*.change_period */ 0,
/*.max_ptime */ 0,
/*.ptime */ 0,
/*.channels */ 0,
/*.flags */ 0,
};
struct amr_context {
void *encoder_state;
void *decoder_state;
switch_byte_t enc_modes;
switch_byte_t enc_mode;
};
#define AMR_DEFAULT_BITRATE AMR_BITRATE_1220
@@ -117,6 +132,88 @@ static struct {
switch_byte_t default_bitrate;
} globals;
static switch_status_t switch_amr_fmtp_parse(const char *fmtp, switch_codec_fmtp_t *codec_fmtp)
{
if (codec_fmtp) {
amr_codec_settings_t *codec_settings = NULL;
if (codec_fmtp->private_info) {
codec_settings = codec_fmtp->private_info;
memcpy(codec_settings, &default_codec_settings, sizeof(*codec_settings));
}
if (fmtp) {
int x, argc;
char *argv[10];
char *fmtp_dup = strdup(fmtp);
switch_assert(fmtp_dup);
argc = switch_separate_string((char *) fmtp_dup, ';', 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, "bitrate")) {
bit_rate = atoi(arg);
}
*/
if (codec_settings) {
if (!strcasecmp(data, "octet-align")) {
if (atoi(arg)) {
switch_set_flag(codec_settings, AMR_OPT_OCTET_ALIGN);
}
} else if (!strcasecmp(data, "mode-change-neighbor")) {
if (atoi(arg)) {
switch_set_flag(codec_settings, AMR_OPT_MODE_CHANGE_NEIGHBOR);
}
} else if (!strcasecmp(data, "crc")) {
if (atoi(arg)) {
switch_set_flag(codec_settings, AMR_OPT_CRC);
}
} else if (!strcasecmp(data, "robust-sorting")) {
if (atoi(arg)) {
switch_set_flag(codec_settings, AMR_OPT_ROBUST_SORTING);
}
} else if (!strcasecmp(data, "interveaving")) {
if (atoi(arg)) {
switch_set_flag(codec_settings, AMR_OPT_INTERLEAVING);
}
} else if (!strcasecmp(data, "mode-change-period")) {
codec_settings->change_period = atoi(arg);
} else if (!strcasecmp(data, "ptime")) {
codec_settings->ptime = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "channels")) {
codec_settings->channels = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "maxptime")) {
codec_settings->max_ptime = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "mode-set")) {
int y, m_argc;
char *m_argv[7];
m_argc = switch_separate_string(arg, ',', m_argv, (sizeof(m_argv) / sizeof(m_argv[0])));
for (y = 0; y < m_argc; y++) {
codec_settings->enc_modes |= (1 << atoi(m_argv[y]));
}
} else if (!strcasecmp(data, "dtx")) {
codec_settings->dtx_mode = (atoi(arg)) ? AMR_DTX_ENABLED : AMR_DTX_DISABLED;
}
}
}
}
free(fmtp_dup);
}
//codec_fmtp->bits_per_second = bit_rate;
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
#endif
static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
@@ -128,7 +225,10 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
}
return SWITCH_STATUS_SUCCESS;
#else
struct amr_context *context = NULL;
switch_codec_fmtp_t codec_fmtp;
amr_codec_settings_t amr_codec_settings;
int encoding, decoding;
int x, i, argc;
char *argv[10];
@@ -141,58 +241,9 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
return SWITCH_STATUS_FALSE;
} else {
context->dtx_mode = AMR_DTX_ENABLED;
if (codec->fmtp_in) {
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;
while (*data && *data == ' ') {
data++;
}
if ((arg = strchr(data, '='))) {
*arg++ = '\0';
if (!strcasecmp(data, "octet-align")) {
if (atoi(arg)) {
switch_set_flag(context, AMR_OPT_OCTET_ALIGN);
}
} else if (!strcasecmp(data, "mode-change-neighbor")) {
if (atoi(arg)) {
switch_set_flag(context, AMR_OPT_MODE_CHANGE_NEIGHBOR);
}
} else if (!strcasecmp(data, "crc")) {
if (atoi(arg)) {
switch_set_flag(context, AMR_OPT_CRC);
}
} else if (!strcasecmp(data, "robust-sorting")) {
if (atoi(arg)) {
switch_set_flag(context, AMR_OPT_ROBUST_SORTING);
}
} else if (!strcasecmp(data, "interveaving")) {
if (atoi(arg)) {
switch_set_flag(context, AMR_OPT_INTERLEAVING);
}
} else if (!strcasecmp(data, "mode-change-period")) {
context->change_period = atoi(arg);
} else if (!strcasecmp(data, "ptime")) {
context->ptime = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "channels")) {
context->channels = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "maxptime")) {
context->max_ptime = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "mode-set")) {
int y, m_argc;
char *m_argv[7];
m_argc = switch_separate_string(arg, ',', m_argv, (sizeof(m_argv) / sizeof(m_argv[0])));
for (y = 0; y < m_argc; y++) {
context->enc_modes |= (1 << atoi(m_argv[y]));
}
} else if (!strcasecmp(data, "dtx")) {
context->dtx_mode = (atoi(arg)) ? AMR_DTX_ENABLED : AMR_DTX_DISABLED;
}
}
}
}
memset(&codec_fmtp, '\0', sizeof(struct switch_codec_fmtp));
codec_fmtp.private_info = &amr_codec_settings;
switch_amr_fmtp_parse(codec->fmtp_in, &codec_fmtp);
if (context->enc_modes) {
for (i = 7; i > -1; i++) {
@@ -321,6 +372,9 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_amr_load)
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
SWITCH_ADD_CODEC(codec_interface, "AMR");
#ifndef AMR_PASSTHROUGH
codec_interface->parse_fmtp = switch_amr_fmtp_parse;
#endif
switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
96, /* the IANA code number */
"AMR", /* the IANA code name */