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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4795 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale committed 2007-03-29 22:31:56 +00:00
1 parent a021945cef
commit 3a54126261
143 files changed
+22413 -31567
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src/mod/codecs/mod_amr/mod_amr.c
+68 -74
View File
@@ -30,7 +30,7 @@
*
* mod_amr.c -- GSM-AMR Codec Module
*
*/
*/
#include "switch.h"
static const char modname[] = "mod_amr";
@@ -114,14 +114,14 @@ static struct {
#endif
static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_t flags,
const switch_codec_settings_t *codec_settings)
const switch_codec_settings_t *codec_settings)
{
#ifdef AMR_PASSTHROUGH
codec->flags |= SWITCH_CODEC_FLAG_PASSTHROUGH;
if (codec->fmtp_in) {
codec->fmtp_out = switch_core_strdup(codec->memory_pool, codec->fmtp_in);
}
if (codec->fmtp_in) {
codec->fmtp_out = switch_core_strdup(codec->memory_pool, codec->fmtp_in);
}
return SWITCH_STATUS_SUCCESS;
#else
struct amr_context *context = NULL;
@@ -139,10 +139,10 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
if (codec->fmtp_in) {
argc = switch_separate_string(codec->fmtp_in, ';', argv, (sizeof(argv) / sizeof(argv[0])));
for(x = 0; x < argc; x++) {
for (x = 0; x < argc; x++) {
char *data = argv[x];
char *arg;
while(*data && *data == ' ') {
while (*data && *data == ' ') {
data++;
}
if ((arg = strchr(data, '='))) {
@@ -171,16 +171,16 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
} else if (!strcasecmp(data, "mode-change-period")) {
context->change_period = atoi(arg);
} else if (!strcasecmp(data, "ptime")) {
context->ptime = (switch_byte_t)atoi(arg);
context->ptime = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "channels")) {
context->channels = (switch_byte_t)atoi(arg);
context->channels = (switch_byte_t) atoi(arg);
} else if (!strcasecmp(data, "maxptime")) {
context->max_ptime = (switch_byte_t)atoi(arg);
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++) {
for (y = 0; y < m_argc; y++) {
context->enc_modes |= (1 << atoi(m_argv[y]));
}
}
@@ -192,7 +192,7 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
if (context->enc_modes) {
for (i = 7; i > -1; i++) {
if (context->enc_modes & (1 << i)) {
context->enc_mode = (switch_byte_t)i;
context->enc_mode = (switch_byte_t) i;
break;
}
}
@@ -201,10 +201,11 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
if (!context->enc_mode) {
context->enc_mode = globals.default_bitrate;
}
snprintf(fmtptmp, sizeof(fmtptmp), "octet-align=%d; mode-set=%d", switch_test_flag(context, AMR_OPT_OCTET_ALIGN) ? 1 : 0, context->enc_mode);
snprintf(fmtptmp, sizeof(fmtptmp), "octet-align=%d; mode-set=%d",
switch_test_flag(context, AMR_OPT_OCTET_ALIGN) ? 1 : 0, context->enc_mode);
codec->fmtp_out = switch_core_strdup(codec->memory_pool, fmtptmp);
context->enc_mode = AMR_DEFAULT_BITRATE;
context->encoder_state = NULL;
context->decoder_state = NULL;
@@ -224,7 +225,7 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
#endif
}
static switch_status_t switch_amr_destroy(switch_codec_t *codec)
static switch_status_t switch_amr_destroy(switch_codec_t *codec)
{
#ifndef AMR_PASSTHROUGH
struct amr_context *context = codec->private_info;
@@ -240,45 +241,39 @@ static switch_status_t switch_amr_destroy(switch_codec_t *codec)
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t switch_amr_encode(switch_codec_t *codec,
switch_codec_t *other_codec,
void *decoded_data,
uint32_t decoded_data_len,
uint32_t decoded_rate,
void *encoded_data,
uint32_t *encoded_data_len,
uint32_t *encoded_rate,
unsigned int *flag)
static switch_status_t switch_amr_encode(switch_codec_t *codec,
switch_codec_t *other_codec,
void *decoded_data,
uint32_t decoded_data_len,
uint32_t decoded_rate,
void *encoded_data,
uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag)
{
#ifdef AMR_PASSTHROUGH
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This codec is only usable in passthrough mode!\n");
return SWITCH_STATUS_FALSE;
#else
struct amr_context *context = codec->private_info;
if (!context) {
return SWITCH_STATUS_FALSE;
}
*encoded_data_len = Encoder_Interface_Encode( context->encoder_state, context->enc_mode, (int16_t *)decoded_data, (switch_byte_t *) encoded_data, 0);
*encoded_data_len =
Encoder_Interface_Encode(context->encoder_state, context->enc_mode, (int16_t *) decoded_data,
(switch_byte_t *) encoded_data, 0);
return SWITCH_STATUS_SUCCESS;
#endif
}
static switch_status_t switch_amr_decode(switch_codec_t *codec,
switch_codec_t *other_codec,
void *encoded_data,
uint32_t encoded_data_len,
uint32_t encoded_rate,
void *decoded_data,
uint32_t *decoded_data_len,
uint32_t *decoded_rate,
unsigned int *flag)
static switch_status_t switch_amr_decode(switch_codec_t *codec,
switch_codec_t *other_codec,
void *encoded_data,
uint32_t encoded_data_len,
uint32_t encoded_rate,
void *decoded_data,
uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag)
{
#ifdef AMR_PASSTHROUGH
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This codec is only usable in passthrough mode!\n");
@@ -290,51 +285,51 @@ static switch_status_t switch_amr_decode(switch_codec_t *codec,
return SWITCH_STATUS_FALSE;
}
Decoder_Interface_Decode(context->decoder_state, (unsigned char *)encoded_data, (int16_t *)decoded_data, 0);
Decoder_Interface_Decode(context->decoder_state, (unsigned char *) encoded_data, (int16_t *) decoded_data, 0);
*decoded_data_len = codec->implementation->bytes_per_frame;
return SWITCH_STATUS_SUCCESS;
#endif
}
/* Registration */
/* Registration */
static const switch_codec_implementation_t amr_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 96,
/*.iananame */ "AMR",
static const switch_codec_implementation_t amr_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 96,
/*.iananame */ "AMR",
/*.fmtp */ "octet-align=0",
/*.samples_per_second */ 8000,
/*.bits_per_second */ 0,
/*.microseconds_per_frame */ 20000,
/*.samples_per_frame */ 160,
/*.samples_per_second */ 8000,
/*.bits_per_second */ 0,
/*.microseconds_per_frame */ 20000,
/*.samples_per_frame */ 160,
/*.bytes_per_frame */ 320,
/*.encoded_bytes_per_frame */ 0,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_amr_init,
/*.encode */ switch_amr_encode,
/*.decode */ switch_amr_decode,
/*.destroy */ switch_amr_destroy,
/*.encoded_bytes_per_frame */ 0,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_amr_init,
/*.encode */ switch_amr_encode,
/*.decode */ switch_amr_decode,
/*.destroy */ switch_amr_destroy,
};
static const switch_codec_interface_t amr_codec_interface = {
/*.interface_name */ "GSM-AMR",
/*.implementations */ &amr_implementation,
static const switch_codec_interface_t amr_codec_interface = {
/*.interface_name */ "GSM-AMR",
/*.implementations */ &amr_implementation,
};
static switch_loadable_module_interface_t amr_module_interface = {
/*.module_name */ modname,
/*.endpoint_interface */ NULL,
/*.timer_interface */ NULL,
/*.dialplan_interface */ NULL,
/*.codec_interface */ &amr_codec_interface,
/*.application_interface */ NULL
static switch_loadable_module_interface_t amr_module_interface = {
/*.module_name */ modname,
/*.endpoint_interface */ NULL,
/*.timer_interface */ NULL,
/*.dialplan_interface */ NULL,
/*.codec_interface */ &amr_codec_interface,
/*.application_interface */ NULL
};
SWITCH_MOD_DECLARE(switch_status_t) switch_module_load(const switch_loadable_module_interface_t **module_interface,
char *filename)
char *filename)
{
#ifndef AMR_PASSTHROUGH
char *cf = "amr.conf";
@@ -349,17 +344,16 @@ SWITCH_MOD_DECLARE(switch_status_t) switch_module_load(const switch_loadable_mod
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "default-bitrate")) {
globals.default_bitrate = (switch_byte_t)atoi(val);
globals.default_bitrate = (switch_byte_t) atoi(val);
}
}
}
}
#endif
/* connect my internal structure to the blank pointer passed to me */
/* connect my internal structure to the blank pointer passed to me */
*module_interface = &amr_module_interface;
/* indicate that the module should continue to be loaded */
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}