/* decoder_init
*
* Initialize a pipeline to handle decoding.
* If multiple disjoint threads want to handle decoding
* of separate audio files, then this must be called on
* each of them.
*
* handle out decoder handle to be used with each
* transaction with the decoder.
*
* Return: 0 on success, negative error code on failure.
*/
int decoder_init(decoder_handle *_handle)
{
struct decoder_handle_struct *handle;
*_handle = NULL;
handle = (struct decoder_handle_struct *)
malloc(sizeof(struct decoder_handle_struct));
if(!handle)
goto handle_malloc_failed;
handle->queue = (q_type *)malloc(sizeof(q_type));
if(!handle->queue)
goto queue_malloc_failed;
if(q_init(handle->queue))
goto queue_init_failed;
handle->active = 1;
SIGNAL_INIT(&handle->start_signal);
SIGNAL_INIT(&handle->finished_signal);
if(pthread_create(&handle->thread, 0, decoder_thread, handle))
goto thread_creation_failed;
*_handle = handle;
return 0;
thread_creation_failed:
SIGNAL_DEINIT(&handle->start_signal);
SIGNAL_DEINIT(&handle->finished_signal);
queue_init_failed:
free(handle->queue);
queue_malloc_failed:
free(handle);
handle_malloc_failed:
return -1;
}
int ratchet_chain_key_create(ratchet_chain_key **chain_key, hkdf_context *kdf, const uint8_t *key, size_t key_len, uint32_t index, signal_context *global_context)
{
ratchet_chain_key *result = 0;
if(!kdf || !key) {
return SG_ERR_INVAL;
}
result = malloc(sizeof(ratchet_chain_key));
if(!result) {
return SG_ERR_NOMEM;
}
SIGNAL_INIT(result, ratchet_chain_key_destroy);
result->global_context = global_context;
result->kdf = kdf;
result->key = malloc(key_len);
if(!result->key) {
free(result);
return SG_ERR_NOMEM;
}
memcpy(result->key, key, key_len);
result->key_len = key_len;
result->index = index;
SIGNAL_REF(result->kdf);
*chain_key = result;
return 0;
}
/**
* PropertiesChangedSignal() synthetizes and sends the
* org.freedesktop.DBus.Properties.PropertiesChanged signal
*/
static DBusHandlerResult
PropertiesChangedSignal( intf_thread_t *p_intf,
vlc_dictionary_t *p_changed_properties )
{
DBusConnection *p_conn = p_intf->p_sys->p_conn;
DBusMessageIter changed_properties, invalidated_properties;
const char *psz_interface_name = DBUS_MPRIS_PLAYER_INTERFACE;
char **ppsz_properties = NULL;
SIGNAL_INIT( DBUS_INTERFACE_PROPERTIES,
DBUS_MPRIS_OBJECT_PATH,
"PropertiesChanged" );
OUT_ARGUMENTS;
ADD_STRING( &psz_interface_name );
if( !dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "{sv}",
&changed_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
ppsz_properties = vlc_dictionary_all_keys( p_changed_properties );
if( unlikely(!ppsz_properties) )
{
dbus_message_iter_abandon_container( &args, &changed_properties );
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
for( int i = 0; ppsz_properties[i]; i++ )
{
PROPERTY_MAPPING_BEGIN
PROPERTY_ENTRY( Metadata, "a{sv}" )
PROPERTY_ENTRY( PlaybackStatus, "s" )
PROPERTY_ENTRY( LoopStatus, "s" )
PROPERTY_ENTRY( Rate, "d" )
PROPERTY_ENTRY( Shuffle, "b" )
PROPERTY_ENTRY( Volume, "d" )
PROPERTY_ENTRY( CanSeek, "b" )
PROPERTY_ENTRY( CanPlay, "b" )
PROPERTY_ENTRY( CanPause, "b" )
PROPERTY_MAPPING_END
free( ppsz_properties[i] );
}
free( ppsz_properties );
if( !dbus_message_iter_close_container( &args, &changed_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( !dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "s",
&invalidated_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( !dbus_message_iter_close_container( &args, &invalidated_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
SIGNAL_SEND;
}
/**
* PropertiesChangedSignal: synthetizes and sends the
* org.freedesktop.DBus.Properties.PropertiesChanged signal
*/
static DBusHandlerResult
PropertiesChangedSignal( intf_thread_t *p_intf,
vlc_dictionary_t *p_changed_properties )
{
DBusConnection *p_conn = p_intf->p_sys->p_conn;
DBusMessageIter changed_properties, invalidated_properties;
const char *psz_interface_name = DBUS_MPRIS_TRACKLIST_INTERFACE;
char **ppsz_properties = NULL;
int i_properties = 0;
SIGNAL_INIT( DBUS_INTERFACE_PROPERTIES,
DBUS_MPRIS_OBJECT_PATH,
"PropertiesChanged" );
OUT_ARGUMENTS;
ADD_STRING( &psz_interface_name );
if( unlikely(!dbus_message_iter_open_container( &args,
DBUS_TYPE_ARRAY, "{sv}",
&changed_properties )) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( unlikely(!dbus_message_iter_close_container( &args,
&changed_properties )) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( unlikely(!dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "s",
&invalidated_properties )) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
i_properties = vlc_dictionary_keys_count( p_changed_properties );
ppsz_properties = vlc_dictionary_all_keys( p_changed_properties );
if( unlikely(!ppsz_properties) )
{
dbus_message_iter_abandon_container( &args, &invalidated_properties );
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
for( int i = 0; i < i_properties; i++ )
{
if( !strcmp( ppsz_properties[i], "Tracks" ) )
dbus_message_iter_append_basic( &invalidated_properties,
DBUS_TYPE_STRING,
&ppsz_properties[i] );
free( ppsz_properties[i] );
}
free( ppsz_properties );
if( unlikely(!dbus_message_iter_close_container( &args,
&invalidated_properties )) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
SIGNAL_SEND;
}
static DBusHandlerResult
PropertiesChangedSignal( intf_thread_t *p_intf,
vlc_dictionary_t *p_changed_properties )
{
DBusConnection *p_conn = p_intf->p_sys->p_conn;
DBusMessageIter changed_properties, invalidated_properties, entry, variant;
const char *psz_interface_name = DBUS_MPRIS_ROOT_INTERFACE;
char **ppsz_properties = NULL;
int i_properties = 0;
SIGNAL_INIT( DBUS_INTERFACE_PROPERTIES,
DBUS_MPRIS_OBJECT_PATH,
"PropertiesChanged" );
OUT_ARGUMENTS;
ADD_STRING( &psz_interface_name );
dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "{sv}",
&changed_properties );
i_properties = vlc_dictionary_keys_count( p_changed_properties );
ppsz_properties = vlc_dictionary_all_keys( p_changed_properties );
for( int i = 0; i < i_properties; i++ )
{
dbus_message_iter_open_container( &changed_properties,
DBUS_TYPE_DICT_ENTRY, NULL,
&entry );
dbus_message_iter_append_basic( &entry, DBUS_TYPE_STRING,
&ppsz_properties[i] );
if( !strcmp( ppsz_properties[i], "Fullscreen" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "b",
&variant );
MarshalFullscreen( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
dbus_message_iter_close_container( &changed_properties, &entry );
free( ppsz_properties[i] );
}
dbus_message_iter_close_container( &args, &changed_properties );
dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "s",
&invalidated_properties );
dbus_message_iter_close_container( &args, &invalidated_properties );
free( ppsz_properties );
SIGNAL_SEND;
}
int scannable_fingerprint_create(scannable_fingerprint **scannable,
uint32_t version,
const char *local_stable_identifier, ec_public_key *local_identity_key,
const char *remote_stable_identifier, ec_public_key *remote_identity_key)
{
int result = 0;
scannable_fingerprint *result_scannable = 0;
if(!local_stable_identifier || !local_identity_key ||
!remote_stable_identifier || !remote_identity_key) {
return SG_ERR_INVAL;
}
result_scannable = malloc(sizeof(scannable_fingerprint));
if(!result_scannable) {
return SG_ERR_NOMEM;
}
memset(result_scannable, 0, sizeof(scannable_fingerprint));
SIGNAL_INIT(result_scannable, scannable_fingerprint_destroy);
result_scannable->version = version;
result_scannable->local_stable_identifier = strdup(local_stable_identifier);
if(!result_scannable->local_stable_identifier) {
result = SG_ERR_NOMEM;
goto complete;
}
result_scannable->local_identity_key = local_identity_key;
SIGNAL_REF(local_identity_key);
result_scannable->remote_stable_identifier = strdup(remote_stable_identifier);
if(!result_scannable->remote_stable_identifier) {
result = SG_ERR_NOMEM;
goto complete;
}
result_scannable->remote_identity_key = remote_identity_key;
SIGNAL_REF(remote_identity_key);
complete:
if(result < 0) {
SIGNAL_UNREF(result_scannable);
}
else {
*scannable = result_scannable;
}
return result;
}
int bob_signal_protocol_parameters_create(
bob_signal_protocol_parameters **parameters,
ratchet_identity_key_pair *our_identity_key,
ec_key_pair *our_signed_pre_key,
ec_key_pair *our_one_time_pre_key,
ec_key_pair *our_ratchet_key,
ec_public_key *their_identity_key,
ec_public_key *their_base_key)
{
bob_signal_protocol_parameters *result = 0;
/* Only "our_one_time_pre_key" is allowed to be null */
if(!our_identity_key || !our_signed_pre_key || !our_ratchet_key
|| !their_identity_key || !their_base_key) {
return SG_ERR_INVAL;
}
result = malloc(sizeof(bob_signal_protocol_parameters));
if(!result) {
return SG_ERR_NOMEM;
}
memset(result, 0, sizeof(bob_signal_protocol_parameters));
SIGNAL_INIT(result, bob_signal_protocol_parameters_destroy);
SIGNAL_REF(our_identity_key);
SIGNAL_REF(our_signed_pre_key);
SIGNAL_REF(our_ratchet_key);
SIGNAL_REF(their_identity_key);
SIGNAL_REF(their_base_key);
result->our_identity_key = our_identity_key;
result->our_signed_pre_key = our_signed_pre_key;
result->our_ratchet_key = our_ratchet_key;
result->their_identity_key = their_identity_key;
result->their_base_key = their_base_key;
if(our_one_time_pre_key) {
SIGNAL_REF(our_one_time_pre_key);
result->our_one_time_pre_key = our_one_time_pre_key;
}
*parameters = result;
return 0;
}
int device_consistency_message_create(device_consistency_message **message)
{
int result = 0;
device_consistency_message *result_message = 0;
result_message = malloc(sizeof(device_consistency_message));
if(!result_message) {
result = SG_ERR_NOMEM;
goto complete;
}
memset(result_message, 0, sizeof(device_consistency_message));
SIGNAL_INIT(result_message, device_consistency_message_destroy);
complete:
if(result >= 0) {
*message = result_message;
}
return result;
}
int ratchet_identity_key_pair_create(
ratchet_identity_key_pair **key_pair,
ec_public_key *public_key,
ec_private_key *private_key)
{
ratchet_identity_key_pair *result = malloc(sizeof(ratchet_identity_key_pair));
if(!result) {
return SG_ERR_NOMEM;
}
SIGNAL_INIT(result, ratchet_identity_key_pair_destroy);
SIGNAL_REF(public_key);
SIGNAL_REF(private_key);
result->public_key = public_key;
result->private_key = private_key;
*key_pair = result;
return 0;
}
/**
* PropertiesChangedSignal() synthetizes and sends the
* org.freedesktop.DBus.Properties.PropertiesChanged signal
*/
static DBusHandlerResult
PropertiesChangedSignal( intf_thread_t *p_intf,
vlc_dictionary_t *p_changed_properties )
{
DBusConnection *p_conn = p_intf->p_sys->p_conn;
DBusMessageIter changed_properties, invalidated_properties;
const char *psz_interface_name = DBUS_MPRIS_ROOT_INTERFACE;
SIGNAL_INIT( DBUS_INTERFACE_PROPERTIES,
DBUS_MPRIS_OBJECT_PATH,
"PropertiesChanged" );
OUT_ARGUMENTS;
ADD_STRING( &psz_interface_name );
if( !dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "{sv}",
&changed_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( vlc_dictionary_has_key( p_changed_properties, "Fullscreen" ) )
{
if( AddProperty( p_intf, &changed_properties, "Fullscreen", "b",
MarshalFullscreen ) != VLC_SUCCESS )
{
dbus_message_iter_abandon_container( &args, &changed_properties );
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
}
if( !dbus_message_iter_close_container( &args, &changed_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( !dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "s",
&invalidated_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
if( !dbus_message_iter_close_container( &args, &invalidated_properties ) )
return DBUS_HANDLER_RESULT_NEED_MEMORY;
SIGNAL_SEND;
}
int symmetric_signal_protocol_parameters_create(
symmetric_signal_protocol_parameters **parameters,
ratchet_identity_key_pair *our_identity_key,
ec_key_pair *our_base_key,
ec_key_pair *our_ratchet_key,
ec_public_key *their_base_key,
ec_public_key *their_ratchet_key,
ec_public_key *their_identity_key)
{
symmetric_signal_protocol_parameters *result = 0;
if(!our_identity_key || !our_base_key || !our_ratchet_key
|| !their_base_key || !their_ratchet_key || !their_identity_key) {
return SG_ERR_INVAL;
}
result = malloc(sizeof(symmetric_signal_protocol_parameters));
if(!result) {
return SG_ERR_NOMEM;
}
memset(result, 0, sizeof(symmetric_signal_protocol_parameters));
SIGNAL_INIT(result, symmetric_signal_protocol_parameters_destroy);
SIGNAL_REF(our_identity_key);
SIGNAL_REF(our_base_key);
SIGNAL_REF(our_ratchet_key);
SIGNAL_REF(their_base_key);
SIGNAL_REF(their_ratchet_key);
SIGNAL_REF(their_identity_key);
result->our_identity_key = our_identity_key;
result->our_base_key = our_base_key;
result->our_ratchet_key = our_ratchet_key;
result->their_base_key = their_base_key;
result->their_ratchet_key = their_ratchet_key;
result->their_identity_key = their_identity_key;
*parameters = result;
return 0;
}
int fingerprint_create(fingerprint **fingerprint_val, displayable_fingerprint *displayable, scannable_fingerprint *scannable)
{
fingerprint *result = malloc(sizeof(fingerprint));
if(!result) {
return SG_ERR_NOMEM;
}
memset(result, 0, sizeof(fingerprint));
SIGNAL_INIT(result, fingerprint_destroy);
if(displayable) {
result->displayable = displayable;
SIGNAL_REF(displayable);
}
if(scannable) {
result->scannable = scannable;
SIGNAL_REF(scannable);
}
*fingerprint_val = result;
return 0;
}
int device_consistency_signature_create(device_consistency_signature **signature,
const uint8_t *signature_data, size_t signature_len,
const uint8_t *vrf_output_data, size_t vrf_output_len)
{
int result = 0;
device_consistency_signature *result_signature = 0;
result_signature = malloc(sizeof(device_consistency_signature));
if(!result_signature) {
result = SG_ERR_NOMEM;
goto complete;
}
memset(result_signature, 0, sizeof(device_consistency_signature));
SIGNAL_INIT(result_signature, device_consistency_signature_destroy);
result_signature->signature = signal_buffer_create(signature_data, signature_len);
if(!result_signature->signature) {
result = SG_ERR_NOMEM;
goto complete;
}
result_signature->vrf_output = signal_buffer_create(vrf_output_data, vrf_output_len);
if(!result_signature->vrf_output) {
result = SG_ERR_NOMEM;
goto complete;
}
complete:
if(result >= 0) {
*signature = result_signature;
}
else {
SIGNAL_UNREF(result_signature);
}
return result;
}
static succeed_type flash_init(FLASH_PRIVATE_HANDLE *phandle)
{
SIGNAL_STRUCT_T signal;
if ( NULL == phandle )
{
SYS_ERROR("in flash_init phandle is NULL.\r\n");
return succeed_type_failed;
}
phandle->gbshm_handle = GBSHM_INIT();
if (NULL == phandle->gbshm_handle)
{
SYS_ERROR("GBSHM_INIT failed.\r\n");
return succeed_type_failed;
}
if (UNIX_CREATE(UNIXFILE_SOCKET_FLASH, &(phandle->unix_fd), 0) == succeed_type_failed)
{
SYS_ERROR("UNIX_CREATE %s failed.\r\n", UNIXFILE_SOCKET_FLASH);
return succeed_type_failed;
}
flash_poll_init(phandle);
//以下添加各自的处理
//对操作互斥量的初始化
pthread_mutex_init(&phandle->mutex,NULL);
//将para的最大偏移记录，方便信息的读取
phandle->savesize = PARA_CMD_SYSTEM_END_PARAM_OFFSET;
memset(&signal, 0x00, sizeof(signal));
signal.signo[0] = SIGINT;
signal.sig_phandle[0] = sig_handle_proc;
SIGNAL_INIT(&signal, 1);
return succeed_type_succeed;
}
/**
* PropertiesChangedSignal() synthetizes and sends the
* org.freedesktop.DBus.Properties.PropertiesChanged signal
*/
static DBusHandlerResult
PropertiesChangedSignal( intf_thread_t *p_intf,
vlc_dictionary_t *p_changed_properties )
{
DBusConnection *p_conn = p_intf->p_sys->p_conn;
DBusMessageIter changed_properties, invalidated_properties, entry, variant;
const char *psz_interface_name = DBUS_MPRIS_PLAYER_INTERFACE;
char **ppsz_properties = NULL;
int i_properties = 0;
SIGNAL_INIT( DBUS_INTERFACE_PROPERTIES,
DBUS_MPRIS_OBJECT_PATH,
"PropertiesChanged" );
OUT_ARGUMENTS;
ADD_STRING( &psz_interface_name );
dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "{sv}",
&changed_properties );
i_properties = vlc_dictionary_keys_count( p_changed_properties );
ppsz_properties = vlc_dictionary_all_keys( p_changed_properties );
for( int i = 0; i < i_properties; i++ )
{
dbus_message_iter_open_container( &changed_properties,
DBUS_TYPE_DICT_ENTRY, NULL,
&entry );
dbus_message_iter_append_basic( &entry, DBUS_TYPE_STRING,
&ppsz_properties[i] );
if( !strcmp( ppsz_properties[i], "Metadata" ) )
{
input_thread_t *p_input;
p_input = playlist_CurrentInput( p_intf->p_sys->p_playlist );
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "a{sv}",
&variant );
if( p_input )
{
input_item_t *p_item = input_GetItem( p_input );
GetInputMeta( p_item, &variant );
vlc_object_release( p_input );
}
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "PlaybackStatus" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "s",
&variant );
MarshalPlaybackStatus( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "LoopStatus" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "s",
&variant );
MarshalLoopStatus( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "Rate" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "d",
&variant );
MarshalRate( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "Shuffle" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "b",
&variant );
MarshalShuffle( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "Volume" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "d",
&variant );
MarshalVolume( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "CanSeek" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "b",
&variant );
MarshalCanSeek( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "CanPlay" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "b",
&variant );
MarshalCanPlay( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
else if( !strcmp( ppsz_properties[i], "CanPause" ) )
{
dbus_message_iter_open_container( &entry,
DBUS_TYPE_VARIANT, "b",
&variant );
MarshalCanPause( p_intf, &variant );
dbus_message_iter_close_container( &entry, &variant );
}
dbus_message_iter_close_container( &changed_properties, &entry );
free( ppsz_properties[i] );
}
dbus_message_iter_close_container( &args, &changed_properties );
dbus_message_iter_open_container( &args, DBUS_TYPE_ARRAY, "s",
&invalidated_properties );
dbus_message_iter_close_container( &args, &invalidated_properties );
free( ppsz_properties );
SIGNAL_SEND;
}
static inline spectgen_session_t *spectgen_session_create(unsigned int window_size,
scale_t scale,
spect_method_t method,
unsigned int nbands)
{
spectgen_session_t *session;
int i;
unsigned int num_bands = nbands;
if(method == CEPSTOGRAM)
num_bands = (nbands - 1) * 2;
if(num_bands > (1 + (window_size / 2)))
return NULL;
session = (spectgen_session_t *)malloc(sizeof(spectgen_session_t));
if(!session)
return NULL;
session->window_size = window_size;
session->numfreqs = (window_size / 2) + 1;
session->nbands = nbands;
session->scale = scale;
session->method = method;
session->window = (float *)malloc(sizeof(float) * window_size);
if(!session->window)
goto window_creation_failed;
for(i = 0; i < window_size; i++) {
session->window[i] = 0.5 * (1 - cos(2 * M_PI * (float)i / (float)(window_size - 1)));
}
session->scale_table = generate_scale_table(num_bands, scale);
if(!session->scale_table)
goto scale_generation_failed;
session->norm_table = generate_scale_norm_table(session->scale_table, num_bands);
if(!session->norm_table)
goto norm_generation_failed;
session->fft_in_pre = (float *)fftwf_malloc(sizeof(float) * window_size);
if(!session->fft_in_pre)
goto fft_in_pre_failed;
session->fft_out_pre = (fftwf_complex *)
fftwf_malloc(sizeof(fftwf_complex) * session->numfreqs);
if(!session->fft_out_pre)
goto fft_out_pre_failed;
/* Even though we are thread safe, the planner is not. so
* serialize the calls to fftwf plan create */
pthread_mutex_lock(&planner_lock);
session->plan_pre = fftwf_plan_dft_r2c_1d(window_size, session->fft_in_pre,
session->fft_out_pre, FFTW_MEASURE | FFTW_DESTROY_INPUT);
pthread_mutex_unlock(&planner_lock);
if(!session->plan_pre)
goto plan_pre_creation_failed;
session->fft_in_post = NULL;
session->fft_out_post = NULL;
session->plan_post = 0;
if(method == CEPSTOGRAM) {
unsigned int len_out_post = nbands;
unsigned int len_in_post = num_bands;
session->fft_in_post = (float *)fftwf_malloc(sizeof(float) * len_in_post);
if(!session->fft_in_post)
goto fft_in_post_failed;
session->fft_out_post = (fftwf_complex *)
fftwf_malloc(sizeof(fftwf_complex) * len_out_post);
if(!session->fft_out_post)
goto fft_out_post_failed;
pthread_mutex_lock(&planner_lock);
session->plan_post = fftwf_plan_dft_r2c_1d(len_in_post, session->fft_in_post,
session->fft_out_post, FFTW_MEASURE | FFTW_DESTROY_INPUT);
pthread_mutex_unlock(&planner_lock);
if(!session->plan_post)
goto plan_post_creation_failed;
}
/* The reason we create is for it to be taken! */
session->busy = 1;
session->next = NULL;
pthread_mutex_init(&session->lock, NULL);
SIGNAL_INIT(&session->start_signal);
SIGNAL_INIT(&session->finished_signal);
session->active = 1;
if(decoder_init(&session->d_handle))
goto decoder_init_failed;
/* The thread will wait on the start signal */
pthread_create(&session->thread, 0, spectgen_session_thread, session);
if(!session->thread)
goto thread_creation_failed;
return session;
thread_creation_failed:
decoder_exit(session->d_handle);
decoder_init_failed:
pthread_mutex_destroy(&session->lock);
SIGNAL_DEINIT(&session->start_signal);
SIGNAL_DEINIT(&session->finished_signal);
if(session->plan_post)
fftwf_destroy_plan(session->plan_post);
plan_post_creation_failed:
if(session->fft_out_post)
fftwf_free(session->fft_out_post);
fft_out_post_failed:
if(session->fft_in_post)
fftwf_free(session->fft_in_post);
fft_in_post_failed:
fftwf_destroy_plan(session->plan_pre);
plan_pre_creation_failed:
fftwf_free(session->fft_out_pre);
fft_out_pre_failed:
fftwf_free(session->fft_in_pre);
fft_in_pre_failed:
free(session->norm_table);
norm_generation_failed:
free(session->scale_table);
scale_generation_failed:
free(session->window);
window_creation_failed:
free(session);
return NULL;
}
int device_consistency_commitment_create(device_consistency_commitment **commitment,
uint32_t generation, ec_public_key_list *identity_key_list,
signal_context *global_context)
{
static const char version[] = "DeviceConsistencyCommitment_V0";
int result = 0;
void *digest_context = 0;
device_consistency_commitment *result_commitment = 0;
ec_public_key_list *sorted_list = 0;
uint8_t gen_data[4];
unsigned int list_size;
unsigned int i;
result_commitment = malloc(sizeof(device_consistency_commitment));
if(!result_commitment) {
result = SG_ERR_NOMEM;
goto complete;
}
memset(result_commitment, 0, sizeof(device_consistency_commitment));
SIGNAL_INIT(result_commitment, device_consistency_commitment_destroy);
sorted_list = ec_public_key_list_copy(identity_key_list);
if(!sorted_list) {
result = SG_ERR_NOMEM;
goto complete;
}
ec_public_key_list_sort(sorted_list);
result = signal_sha512_digest_init(global_context, &digest_context);
if(result < 0) {
goto complete;
}
result = signal_sha512_digest_update(global_context, digest_context,
(uint8_t *)version, sizeof(version) - 1);
if(result < 0) {
goto complete;
}
gen_data[3] = (uint8_t)(generation);
gen_data[2] = (uint8_t)(generation >> 8);
gen_data[1] = (uint8_t)(generation >> 16);
gen_data[0] = (uint8_t)(generation >> 24);
result = signal_sha512_digest_update(global_context, digest_context,
gen_data, sizeof(gen_data));
if(result < 0) {
goto complete;
}
list_size = ec_public_key_list_size(sorted_list);
for(i = 0; i < list_size; i++) {
signal_buffer *key_buffer = 0;
ec_public_key *key = ec_public_key_list_at(sorted_list, i);
result = ec_public_key_serialize(&key_buffer, key);
if(result < 0) {
goto complete;
}
result = signal_sha512_digest_update(global_context, digest_context,
signal_buffer_data(key_buffer), signal_buffer_len(key_buffer));
signal_buffer_free(key_buffer);
if(result < 0) {
goto complete;
}
}
result_commitment->generation = generation;
result = signal_sha512_digest_final(global_context, digest_context, &result_commitment->serialized);
complete:
if(sorted_list) {
ec_public_key_list_free(sorted_list);
}
if(digest_context) {
signal_sha512_digest_cleanup(global_context, digest_context);
}
if(result >= 0) {
*commitment = result_commitment;
}
else {
SIGNAL_UNREF(result_commitment);
}
return result;
}
int displayable_fingerprint_create(displayable_fingerprint **displayable, const char *local_fingerprint, const char *remote_fingerprint)
{
int result = 0;
size_t local_len = 0;
size_t remote_len = 0;
displayable_fingerprint *result_displayable = 0;
char *display_text = 0;
if(!local_fingerprint || !remote_fingerprint) {
return SG_ERR_INVAL;
}
result_displayable = malloc(sizeof(displayable_fingerprint));
if(!result_displayable) {
return SG_ERR_NOMEM;
}
memset(result_displayable, 0, sizeof(displayable_fingerprint));
SIGNAL_INIT(result_displayable, displayable_fingerprint_destroy);
result_displayable->local_fingerprint = strdup(local_fingerprint);
if(!result_displayable->local_fingerprint) {
result = SG_ERR_NOMEM;
goto complete;
}
result_displayable->remote_fingerprint = strdup(remote_fingerprint);
if(!result_displayable->remote_fingerprint) {
result = SG_ERR_NOMEM;
goto complete;
}
local_len = strlen(local_fingerprint);
remote_len = strlen(remote_fingerprint);
display_text = malloc(local_len + remote_len + 1);
if(!display_text) {
result = SG_ERR_NOMEM;
goto complete;
}
if(strcmp(local_fingerprint, remote_fingerprint) <= 0) {
memcpy(display_text, local_fingerprint, local_len);
memcpy(display_text + local_len, remote_fingerprint, remote_len + 1);
}
else {
memcpy(display_text, remote_fingerprint, remote_len);
memcpy(display_text + remote_len, local_fingerprint, local_len + 1);
}
result_displayable->display_text = display_text;
complete:
if(result < 0) {
SIGNAL_UNREF(result_displayable);
}
else {
*displayable = result_displayable;
}
return result;
}