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UniMRCP-wrapper.cpp
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/*
* Copyright 2014 SpeechTech, s.r.o. http://www.speechtech.cz/en
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* $Id$
*/
/**
* @file UniMRCP-wrapper.cpp
* @brief UniMRCP Client wrapper implementation.
*/
#ifdef DOXYGEN
/** @brief Define to log data sent to and received from the application */
#define LOG_STREAM_DATA
/** @brief Define to log media frames flowing */
#define LOG_STREAM_FRAMES
#endif // DOXYGEN
/** @brief Tell the header we are including from this source */
#define UNIMRCP_WRAPPER_CPP
#include "UniMRCP-wrapper.h"
#include "UniMRCP-wrapper-version.h"
#include <stdlib.h> // For malloc, realloc and free
#include "apr_general.h"
#include "apr_atomic.h"
#include "apr_mmap.h"
#include "apt_pool.h"
#include "apt_dir_layout.h"
#include "apt_log.h"
#include "apt_pair.h"
#include "unimrcp_client.h"
#include "mrcp_application.h"
#include "mrcp_types.h"
#include "mrcp_message.h"
#include "mrcp_recog_header.h"
#include "mrcp_recorder_header.h"
#include "mrcp_synth_header.h"
#include "mpf_dtmf_generator.h"
#include "mpf_dtmf_detector.h"
#include "apr_version.h"
#include "apu_version.h"
#include "uni_version.h"
/** @brief Sofia include version hack */
#define SU_CONFIGURE_H
#include "sofia-sip/su_config.h"
#include "sofia-sip/sofia_features.h"
#if defined(WIN32) && defined(PTW32_STATIC_LIB)
# include "pthread.h"
#endif
#ifdef _MSC_VER
# define snprintf _snprintf
# define strdup _strdup
#endif
/** @brief Throw UniMRCP exception from here with message */
#define UNIMRCP_THROW(msg) throw UniMRCPException(__FILE__, __LINE__, msg)
/** @brief Log line formatting buffer */
#ifndef MAX_LOG_ENTRY_SIZE
# define MAX_LOG_ENTRY_SIZE 4096
#endif
/** @brief Memory page size (for MMap) */
#ifndef PAGE_SIZE
# define PAGE_SIZE 4096
#endif
/**
* @brief Allocate object's memory from APR memory pool
*/
void* operator new(size_t objSize, apr_pool_t* pool)
{
return apr_palloc(pool, objSize);
}
/**
* @brief Called if construction after allocation from pool failed.
* @see operator new(size_t objSize, apr_pool_t* pool)
*/
void operator delete(void* obj, apr_pool_t* pool)
{
(void) obj;
(void) pool;
}
void* operator new(size_t objSize, mrcp_session_t* sess)
{
return apr_palloc(mrcp_application_session_pool_get(sess), objSize);
}
UniMRCPLogger* UniMRCPLogger::logger = NULL;
unsigned UniMRCPClient::instances = 0;
unsigned UniMRCPClient::staticInitialized = 0;
apr_pool_t* UniMRCPClient::staticPool = NULL;
UniMRCPLogger::~UniMRCPLogger()
{
#ifdef _DEBUG
printf("~UniMRCPLogger logger(%p)\n", logger);
#endif
logger = NULL;
}
int UniMRCPLogger::LogExtHandler(char const* file, int line, char const* id, UniMRCPLogPriority priority, char const* format, va_list arg_ptr)
{
(void) id;
if (!logger) return false;
char buf[MAX_LOG_ENTRY_SIZE];
buf[0] = 0;
apr_vsnprintf(buf, MAX_LOG_ENTRY_SIZE, format, arg_ptr);
return logger->Log(file, line, priority, buf);
}
void UniMRCPClient::UniMRCPVersion(unsigned short& major, unsigned short& minor, unsigned short& patch)
{
major = UNI_MAJOR_VERSION;
minor = UNI_MINOR_VERSION;
patch = UNI_PATCH_VERSION;
}
void UniMRCPClient::WrapperVersion(unsigned short& major, unsigned short& minor, unsigned short& patch)
{
major = UW_MAJOR_VERSION;
minor = UW_MINOR_VERSION;
patch = UW_PATCH_VERSION;
}
void UniMRCPClient::APRVersion(unsigned short& major, unsigned short& minor, unsigned short& patch)
{
major = APR_MAJOR_VERSION;
minor = APR_MINOR_VERSION;
patch = APR_PATCH_VERSION;
}
void UniMRCPClient::APRUtilVersion(unsigned short& major, unsigned short& minor, unsigned short& patch)
{
major = APU_MAJOR_VERSION;
minor = APU_MINOR_VERSION;
patch = APU_PATCH_VERSION;
}
char const* UniMRCPClient::SofiaSIPVersion()
{
return SOFIA_SIP_VERSION;
}
void UniMRCPClient::StaticPreinitialize(int& fd_stdin, int& fd_stdout, int& fd_stderr) THROWS(UniMRCPException)
{
if (staticInitialized) {
staticInitialized++;
#ifdef _DEBUG
printf("staticInitialized(%u)\n", staticInitialized);
#endif
return;
}
// Must be called once per process when linked statically for SofiaSIP to work
#if defined(WIN32) && defined(PTW32_STATIC_LIB)
if (!pthread_win32_process_attach_np())
UNIMRCP_THROW("Cannot initialize pthreads win32");
#endif
// Switch file descriptors in order to be able to write on console
#if defined(WIN32) && defined(DOTNET_CONSOLE_HACK)
fd_stdin = _fileno(stdin);
if (fd_stdin < 0) freopen("CONIN$", "rt", stdin);
fd_stdout = _fileno(stdout);
if (fd_stdout < 0) freopen("CONOUT$", "wt", stdout);
fd_stderr = _fileno(stderr);
if (fd_stderr < 0) freopen("CONERR$", "wt", stderr);
#else
(void) fd_stdin;
(void) fd_stdout;
(void) fd_stderr;
#endif
/* APR global initialization */
if(apr_initialize() != APR_SUCCESS)
{
apr_terminate();
UNIMRCP_THROW("Error initializing APR");
}
/* Create APR pool */
staticPool = apt_pool_create();
if (!staticPool)
UNIMRCP_THROW("Insufficient memory");
staticInitialized++;
#ifdef _DEBUG
printf("staticInitialized(%u)\n", staticInitialized);
#endif
}
void UniMRCPClient::StaticInitialize(char const* root_dir,
UniMRCPLogPriority log_prio,
UniMRCPLogOutput log_out,
char const* log_fname,
unsigned max_log_fsize,
unsigned max_log_fcount) THROWS(UniMRCPException)
{
int fd_stdin, fd_stdout, fd_stderr;
apt_dir_layout_t* dirLayout;
StaticPreinitialize(fd_stdin, fd_stdout, fd_stderr);
/* create the structure of default directories layout */
dirLayout = apt_default_dir_layout_create(root_dir, staticPool);
/* get path to logger configuration file */
const char* logConfPath = apt_confdir_filepath_get(dirLayout, "logger.xml", staticPool);
/* create and load singleton logger */
apt_log_instance_load(logConfPath, staticPool);
/* override the log priority, if specified in command line */
apt_log_priority_set(static_cast<apt_log_priority_e>(log_prio));
apt_log_output_mode_set(static_cast<apt_log_output_e>(log_out));
if (!log_fname) log_fname = unimrcp_client_log_name;
if (apt_log_output_mode_check(APT_LOG_OUTPUT_FILE) == TRUE)
{
/* open the log file */
#if defined(UNI_VERSION_AT_LEAST) && UNI_VERSION_AT_LEAST(1, 3, 0)
apt_log_file_open(apt_dir_layout_path_get(dirLayout, APT_LAYOUT_LOG_DIR),
log_fname, max_log_fsize, max_log_fcount, FALSE, staticPool);
#else
apt_log_file_open(dirLayout->log_dir_path, log_fname,
max_log_fsize, max_log_fcount, FALSE, staticPool);
#endif
}
apt_log(APT_LOG_MARK, APT_PRIO_INFO, "Initialized UniMRCP for %s: log_root_dir(%s) "
"log_prio(%d) log_out(%d) log_fname(%s) max_log_fsize(%u) max_log_fcount(%u)",
swig_target_platform, root_dir, static_cast<int>(log_prio),
static_cast<int>(log_out), log_fname, max_log_fsize, max_log_fcount);
StaticPostinitialize(fd_stdin, fd_stdout, fd_stderr);
}
void UniMRCPClient::StaticInitialize(UniMRCPLogger* logger,
UniMRCPLogPriority log_prio) THROWS(UniMRCPException)
{
int fd_stdin, fd_stdout, fd_stderr;
StaticPreinitialize(fd_stdin, fd_stdout, fd_stderr);
apt_log_instance_create(APT_LOG_OUTPUT_NONE, static_cast<apt_log_priority_e>(log_prio), staticPool);
UniMRCPLogger::logger = logger;
apt_log_ext_handler_set(reinterpret_cast<apt_log_ext_handler_f>(UniMRCPLogger::LogExtHandler));
apt_log(APT_LOG_MARK, APT_PRIO_INFO, "Initialized UniMRCP for %s: "
"logger(%pp) log_prio(%d)", swig_target_platform, logger, static_cast<int>(log_prio));
StaticPostinitialize(fd_stdin, fd_stdout, fd_stderr);
}
void UniMRCPClient::StaticPostinitialize(int fd_stdin, int fd_stdout, int fd_stderr)
{
#if defined(WIN32) && defined(DOTNET_CONSOLE_HACK)
if (fd_stdin < 0) apt_log(APT_LOG_MARK, APT_PRIO_DEBUG,
".NET console hack for stdin: old fd: %d, new fd %d", fd_stdin, _fileno(stdin));
if (fd_stdout < 0) apt_log(APT_LOG_MARK, APT_PRIO_DEBUG,
".NET console hack for stdout: old fd: %d, new fd %d", fd_stdout, _fileno(stdout));
if (fd_stderr < 0) apt_log(APT_LOG_MARK, APT_PRIO_DEBUG,
".NET console hack for stderr: old fd: %d, new fd %d", fd_stderr, _fileno(stderr));
#else
(void) fd_stdin;
(void) fd_stdout;
(void) fd_stderr;
#endif
}
void UniMRCPClient::StaticDeinitialize() THROWS(UniMRCPException)
{
if (!staticInitialized) {
#ifdef _DEBUG
printf("staticInitialized(%u) deinitialize\n", staticInitialized);
#endif
return;
}
if ((staticInitialized == 1) && instances)
UNIMRCP_THROW("Destroy all clients before static deinitialization");
staticInitialized--;
if (staticInitialized) {
#ifdef _DEBUG
printf("staticInitialized(%u) deinitialize\n", staticInitialized);
#endif
return;
}
/* destroy singleton logger */
apt_log_instance_destroy();
/* destroy APR pool */
apr_pool_destroy(staticPool);
staticPool = NULL;
/* APR global termination */
apr_terminate();
# ifdef PTW32_STATIC_LIB
pthread_win32_process_detach_np();
# endif
#ifdef _DEBUG
printf("staticDeinitialized\n");
#endif
}
UniMRCPClient::UniMRCPClient(char const* config, bool dir /* = false */) THROWS(UniMRCPException) :
client(NULL),
app(NULL),
terminated(false),
sess_id(1)
{
if (!staticInitialized)
UNIMRCP_THROW("UniMRCP platform not statically initialized");
if (dir) {
/* create the structure of default directories layout */
apt_dir_layout_t* dirLayout = apt_default_dir_layout_create(config, staticPool);
client = unimrcp_client_create(dirLayout);
} else
client = unimrcp_client_create2(config);
apt_log(APT_LOG_MARK, APT_PRIO_NOTICE, "Creating %s UniMRCPClient (%pp) instance %u",
swig_target_platform, this, instances);
if (!client)
UNIMRCP_THROW("Cannot create UniMRCP client");
app = mrcp_application_create(AppMessageHandler, this, mrcp_client_memory_pool_get(client));
if (!app) {
mrcp_client_destroy(client);
client = NULL;
UNIMRCP_THROW("Cannot create UniMRCP client application");
}
/* register MRCP application to MRCP client */
if (mrcp_client_application_register(client, app, unimrcp_client_app_name) == FALSE) {
mrcp_application_destroy(app);
app = NULL;
mrcp_client_destroy(client);
client = NULL;
UNIMRCP_THROW("Cannot register UniMRCP client application");
}
/* start MRCP client stack processing */
if (mrcp_client_start(client) == FALSE) {
mrcp_application_destroy(app);
app = NULL;
mrcp_client_destroy(client);
client = NULL;
UNIMRCP_THROW("Cannot start UniMRCP client");
}
instances++;
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s UniMRCPClient created: client(%pp) app(%pp) instances(%u) this(%pp)",
swig_target_platform, client, app, instances, this);
}
UniMRCPClient::~UniMRCPClient()
{
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s ~UniMRCPClient: client(%pp) app(%pp) this(%pp)",
swig_target_platform, client, app, this);
Destroy();
}
void UniMRCPClient::Destroy()
{
if (client && !terminated) {
terminated = true;
mrcp_client_shutdown(client);
mrcp_client_destroy(client);
app = NULL;
client = NULL;
instances--;
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s UniMRCPClient (%pp) destroyed, instances(%u)",
swig_target_platform, this, instances);
}
}
apt_bool_t UniMRCPClient::AppMessageHandler(mrcp_app_message_t const* msg)
{
static const mrcp_app_message_dispatcher_t appDisp =
{
reinterpret_cast<int (*)(mrcp_application_t*, mrcp_session_t*, mrcp_sig_status_code_e)>(
UniMRCPClientSession::AppOnSessionUpdate),
reinterpret_cast<int (*)(mrcp_application_t*, mrcp_session_t*, mrcp_sig_status_code_e)>(
UniMRCPClientSession::AppOnSessionTerminate),
reinterpret_cast<int (*)(mrcp_application_t*, mrcp_session_t*, mrcp_channel_t*, mrcp_sig_status_code_e)>(
UniMRCPClientChannel::AppOnChannelAdd),
reinterpret_cast<int (*)(mrcp_application_t*, mrcp_session_t*, mrcp_channel_t*, mrcp_sig_status_code_e)>(
UniMRCPClientChannel::AppOnChannelRemove),
UniMRCPClientChannel::AppOnMessageReceive,
UniMRCPClientSession::AppOnTerminateEvent,
reinterpret_cast<int (*)(mrcp_application_t*, mrcp_session_t*, mrcp_session_descriptor_t*, mrcp_sig_status_code_e)>(
UniMRCPClientSession::AppOnResourceDiscover)
};
return mrcp_application_message_dispatch(&appDisp, msg);
}
UniMRCPClientSession::UniMRCPClientSession(UniMRCPClient* _client, char const* profile) THROWS(UniMRCPException) :
sess(NULL),
client(_client),
terminated(false),
destroyOnTerminate(false)
{
sess = mrcp_application_session_create(client->app, profile, this);
if (!sess)
UNIMRCP_THROW("Cannot create UniMRCP client session");
char name[64];
unsigned int id = apr_atomic_inc32(&client->sess_id);
snprintf(name, sizeof(name) - 1, "%s-%02u", swig_target_platform, static_cast<unsigned>(id));
mrcp_application_session_name_set(sess, name);
}
UniMRCPClientSession::~UniMRCPClientSession()
{
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s ~UniMRCPClientSession sess(%pp) terminated(%s) this(%pp)",
swig_target_platform, sess, terminated ? "TRUE" : "FALSE", this);
if (sess)
// This object will not exist anymore
mrcp_application_session_object_set(sess, NULL);
Destroy();
}
void UniMRCPClientSession::ResourceDiscover()
{
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s Session ResourceDiscover sess(%pp) this(%pp)",
swig_target_platform, sess, this);
if (sess)
mrcp_application_resource_discover(sess);
}
void UniMRCPClientSession::Terminate()
{
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s Session Terminate sess(%pp) terminated(%s) this(%pp)",
swig_target_platform, sess, terminated ? "TRUE" : "FALSE", this);
if (sess && !terminated) {
mrcp_application_session_terminate(sess);
}
}
void UniMRCPClientSession::Destroy()
{
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s Session Destroy sess(%pp) terminated(%s) this(%pp)",
swig_target_platform, sess, terminated ? "TRUE" : "FALSE", this);
if (client->terminated) return;
if (destroyOnTerminate) return;
if (sess) {
if (!terminated) {
destroyOnTerminate = true;
mrcp_application_session_terminate(sess);
} else {
mrcp_application_session_destroy(sess);
sess = NULL;
}
}
}
char const* UniMRCPClientSession::GetID() const
{
if (!sess) return NULL;
return mrcp_application_session_id_get(sess)->buf;
}
bool UniMRCPClientSession::OnUpdate(UniMRCPSigStatusCode status)
{
(void) status;
return true;
}
bool UniMRCPClientSession::OnTerminate(UniMRCPSigStatusCode status)
{
(void) status;
return true;
}
bool UniMRCPClientSession::OnTerminateEvent()
{
return true;
}
apt_bool_t UniMRCPClientSession::AppOnSessionUpdate(mrcp_application_t* application, mrcp_session_t* session, UniMRCPSigStatusCode status)
{
(void) application;
UniMRCPClientSession* s = reinterpret_cast<UniMRCPClientSession*>(mrcp_application_session_object_get(session));
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnSessionUpdate: sess(%pp) status(%d) sess_obj(%pp)",
swig_target_platform, session, static_cast<int>(status), s);
if (!s) return FALSE;
bool ret = s->OnUpdate(status);
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnSessionUpdate: return %s",
swig_target_platform, ret ? "TRUE" : "FALSE");
return ret;
}
apt_bool_t UniMRCPClientSession::AppOnSessionTerminate(mrcp_application_t* application, mrcp_session_t* session, UniMRCPSigStatusCode status)
{
(void) application;
UniMRCPClientSession* s = reinterpret_cast<UniMRCPClientSession*>(mrcp_application_session_object_get(session));
if (!s) {
// Session object already destroyed so free the C memory as well
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnSessionTerminate: sess(%pp) status(%d) sess_obj(NULL)",
swig_target_platform, session);
mrcp_application_session_destroy(session);
return false;
}
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnSessionTerminate: sess(%pp) status(%d) destroyOnTerminate(%s)",
swig_target_platform, session, static_cast<int>(status), s->destroyOnTerminate ? "TRUE" : "FALSE");
s->terminated = true;
bool ret;
if (!s->destroyOnTerminate)
ret = s->OnTerminate(status);
else
ret = false;
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnSessionTerminate: return %s",
swig_target_platform, ret ? "TRUE" : "FALSE");
if (s->destroyOnTerminate) {
mrcp_application_session_destroy(session);
s->sess = NULL;
}
return ret;
}
apt_bool_t UniMRCPClientSession::AppOnTerminateEvent(mrcp_application_t* application, mrcp_session_t* session, mrcp_channel_t* channel)
{
(void) application;
UniMRCPClientSession* s = reinterpret_cast<UniMRCPClientSession*>(mrcp_application_session_object_get(session));
UniMRCPClientChannel* c = reinterpret_cast<UniMRCPClientChannel*>(mrcp_application_channel_object_get(channel));
if (!s) {
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnTerminateEvent: sess(%pp) status(%d) obj(NULL)",
swig_target_platform, session);
return false;
}
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnTerminateEvent: sess(%pp) chan(%pp) sess_obj(%pp) chan_obj(%pp)",
swig_target_platform, session, channel, s, c);
bool ret = false;
if (!s->destroyOnTerminate) {
if (channel) {
if (c) ret |= c->OnTerminateEvent();
}
if (session) {
ret |= s->OnTerminateEvent();
}
}
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnTerminateEvent: return %s",
swig_target_platform, ret ? "TRUE" : "FALSE");
return ret;
}
apt_bool_t UniMRCPClientSession::AppOnResourceDiscover(mrcp_application_t* application, mrcp_session_t* session, mrcp_session_descriptor_t* descriptor, UniMRCPSigStatusCode status)
{
(void) application;
(void) descriptor;
UniMRCPClientSession* s = reinterpret_cast<UniMRCPClientSession*>(mrcp_application_session_object_get(session));
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnResourceDiscover: sess(%pp) status(%d) sess_obj(%pp)",
swig_target_platform, session, static_cast<int>(status), s);
bool ret = false;
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s OnResourceDiscover: return %s",
swig_target_platform, ret ? "TRUE" : "FALSE");
return ret;
}
UniMRCPStreamRx::UniMRCPStreamRx() :
frm(NULL),
dtmf_gen(NULL),
term(NULL)
{}
UniMRCPStreamRx::~UniMRCPStreamRx()
{
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "%s ~UniMRCPStreamRx term(%pp) dtmf_gen(%pp) this(%pp)",
swig_target_platform, term, dtmf_gen, this);
if (term) {
term->streamRx = NULL;
term = NULL;
}
}
bool UniMRCPStreamRx::SendDTMF(char digit)
{
if (!dtmf_gen) return false;
char digits[2] = {digit, 0};
return mpf_dtmf_generator_enqueue(dtmf_gen, digits) ? true : false;
}
size_t UniMRCPStreamRx::GetDataSize() const
{
if (!frm) return 0;
return frm->codec_frame.size;
}
void UniMRCPStreamRx::SetData(void const* buf, size_t len)
{
if (!frm) return;
if (len > frm->codec_frame.size)
len = frm->codec_frame.size;
if (buf && len)
memcpy(frm->codec_frame.buffer, buf, len);
memset(static_cast<char*>(frm->codec_frame.buffer) + len,
0, frm->codec_frame.size - len);
frm->type |= MEDIA_FRAME_TYPE_AUDIO;
#ifdef LOG_STREAM_DATA
printf("%s UniMRCPStreamRx::SetData %lu bytes:\n", swig_target_platform,
static_cast<unsigned long>(len));
for (size_t i = 0; i < len; i++)
printf("%02x", static_cast<unsigned char const*>(buf)[i]);
putchar('\n');
#endif
}
void UniMRCPStreamRx::OnClose()
{
}
bool UniMRCPStreamRx::ReadFrame()
{
return false;
}
#define DTMF_FRAME_DURATION 50
bool UniMRCPStreamRx::OnOpenInternal(UniMRCPAudioTermination const* term, mpf_audio_stream_t const* stm)
{
if (term->dg_band >= 0) {
dtmf_gen = mpf_dtmf_generator_create_ex(stm,
term->dg_band ? static_cast<mpf_dtmf_generator_band_e>(term->dg_band) :
(stm->rx_event_descriptor ? MPF_DTMF_GENERATOR_OUTBAND : MPF_DTMF_GENERATOR_INBAND),
#if UNI_VERSION_AT_LEAST(1,8,0)
term->dg_tone, term->dg_silence, DTMF_FRAME_DURATION, mrcp_application_session_pool_get(term->sess));
#else
term->dg_tone, term->dg_silence, mrcp_application_session_pool_get(term->sess));
#endif
if (!dtmf_gen) {
apt_log(APT_LOG_MARK, APT_PRIO_WARNING, "%s StreamOpenRx: Failed to create DTMF generator",
swig_target_platform);
return false;
}
}
return true;
}
void UniMRCPStreamRx::OnCloseInternal()
{
if (dtmf_gen) {
mpf_dtmf_generator_destroy(dtmf_gen);
dtmf_gen = NULL;
}
}
UniMRCPStreamRxBuffered::UniMRCPStreamRxBuffered() :
UniMRCPStreamRx(),
first(NULL),
last(NULL),
len(0),
pos(0),
flush(false),
mutex(NULL)
#ifdef UW_TRACE_BUFFERS
,rcv(0)
,snt(0)
#endif
{
}
UniMRCPStreamRxBuffered::~UniMRCPStreamRxBuffered()
{
}
/**
* @brief Calculate total buffer chunk size (i.e. metadata/headers plus audio data)
* @param len Length of audio data in bytes
*/
#define CHUNK_SIZE(len) (sizeof(chunk_t) + len)
bool UniMRCPStreamRxBuffered::AddData(void const* buf, size_t len)
{
if (!mutex) return false;
chunk_t* ch = static_cast<chunk_t*>(malloc(CHUNK_SIZE(len)));
if (!ch) return false;
ch->next = NULL;
#ifdef UW_TRACE_BUFFERS
rcv += len;
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "Received %8lu bytes, total: %8lu",
static_cast<unsigned long>(len), rcv);
#endif
ch->digit = 0;
ch->len = len;
memcpy(ch->data, buf, len);
apr_thread_mutex_lock(mutex);
if (last)
last->next = ch;
else
first = ch;
last = ch;
this->len += len;
apr_thread_mutex_unlock(mutex);
return true;
}
bool UniMRCPStreamRxBuffered::SendDTMF(char _digit)
{
if (!mutex) return false;
apr_thread_mutex_lock(mutex);
if (last && !last->digit) {
last->digit = _digit;
} else {
chunk_t* ch = static_cast<chunk_t*>(malloc(CHUNK_SIZE(len)));
if (ch) {
ch->next = NULL;
ch->len = 0;
ch->digit = _digit;
if (last)
last->next = ch;
else
first = ch;
last = ch;
}
}
apr_thread_mutex_unlock(mutex);
return true;
}
void UniMRCPStreamRxBuffered::Flush()
{
if (!mutex) return;
apr_thread_mutex_lock(mutex);
flush = true;
apr_thread_mutex_unlock(mutex);
}
bool UniMRCPStreamRxBuffered::ReadFrame()
{
if (!mutex) return false;
size_t copied = 0;
apr_thread_mutex_lock(mutex);
if ((!flush && (len < frm->codec_frame.size)) || (first && !first->len)) {
apr_thread_mutex_unlock(mutex);
return false;
}
while (first && ((copied < frm->codec_frame.size) || !first->len)) {
size_t size = first->len - pos < frm->codec_frame.size - copied ?
first->len - pos : frm->codec_frame.size - copied;
memcpy(static_cast<char*>(frm->codec_frame.buffer) + copied, first->data + pos, size);
pos += size;
len -= size;
copied += size;
if (pos >= first->len) {
if (first->digit) {
apt_bool_t ret = FALSE;
char const digits[2] = {first->digit, 0};
if (dtmf_gen)
ret = mpf_dtmf_generator_enqueue(dtmf_gen, digits);
apt_log(APT_LOG_MARK, ret ? APT_PRIO_INFO : APT_PRIO_WARNING,
"Sending DTMF: %s (%s)", digits, ret ? "OK" : "Failed");
}
pos = 0;
chunk_t *ch = first;
first = first->next;
if (!first) last = NULL;
free(ch);
}
}
if (!first) flush = false;
apr_thread_mutex_unlock(mutex);
if (copied) {
#ifdef UW_TRACE_BUFFERS
snt += copied;
apt_log(APT_LOG_MARK, APT_PRIO_DEBUG, "Sent %8lu bytes, total: %8lu",
static_cast<unsigned long>(copied), snt);
#endif
frm->type |= MEDIA_FRAME_TYPE_AUDIO;
memset(static_cast<char*>(frm->codec_frame.buffer) + copied, 0,
frm->codec_frame.size - copied);
}
return true;
}
bool UniMRCPStreamRxBuffered::OnOpenInternal(UniMRCPAudioTermination const* term, mpf_audio_stream_t const* stm)
{
if (!UniMRCPStreamRx::OnOpenInternal(term, stm))
return false;
apr_status_t status = apr_thread_mutex_create(&mutex, APR_THREAD_MUTEX_DEFAULT,
mrcp_application_session_pool_get(term->sess));
if (status != APR_SUCCESS) {
apt_log(APT_LOG_MARK, APT_PRIO_WARNING, "%s StreamRxBuffered Cannot create mutex: %d %pm",
swig_target_platform, status, &status);
return false;
}
return true;
}
void UniMRCPStreamRxBuffered::OnCloseInternal()
{
chunk_t *ch;
while (first) {
ch = first;
first = first->next;
free(ch);
}
first = NULL;
last = NULL;
if (mutex) {
apr_thread_mutex_destroy(mutex);
mutex = NULL;
}
UniMRCPStreamRx::OnCloseInternal();
}
UniMRCPStreamRxMemory::UniMRCPStreamRxMemory(void const* mem, size_t size, bool copy /*= true*/, StreamRxMemoryEnd onend /*= SRM_NOTHING*/, bool paused /*= false*/) THROWS(UniMRCPException) :
UniMRCPStreamRx(),
mem(NULL)
{
SetMemory(mem, size, copy, onend, paused);
}
UniMRCPStreamRxMemory::~UniMRCPStreamRxMemory()
{
Close();
}
void UniMRCPStreamRxMemory::SetMemory(void const* mem, size_t size, bool copy /*= true*/, StreamRxMemoryEnd onend /*= SRM_NOTHING*/, bool paused /*= false*/) THROWS(UniMRCPException)
{
UniMRCPStreamRxMemory::Close();
if (copy) {
this->mem = static_cast<char*>(malloc(size));
if (!this->mem)
UNIMRCP_THROW("Not enough memory to copy memory block");
memcpy(const_cast<char*>(this->mem), mem, size);
this->copied = true;
} else {
this->mem = static_cast<char const*>(mem);
}
this->size = size;
this->onend = onend;
pos = 0;
this->paused = paused;
}
void UniMRCPStreamRxMemory::Rewind()
{
pos = 0;
}
void UniMRCPStreamRxMemory::Close()
{
if (mem && copied)
free(const_cast<char*>(mem));
mem = NULL;
copied = false;
size = 0;
pos = 0;
}
void UniMRCPStreamRxMemory::SetPaused(bool paused)
{
this->paused = paused;
}
void UniMRCPStreamRxMemory::OnEndOfPlayback()
{
}
bool UniMRCPStreamRxMemory::ReadFrame()
{
if (!mem || !size || paused)
return false;
if ((pos >= size) && (onend == SRM_ZEROS)) {
SetData(NULL, 0); // Send out zeros
return true;
}
size_t sz = GetDataSize();
if (sz > size - pos)
sz = size - pos;
SetData(mem + pos, sz);
pos += sz;
if (pos < size)
return true;
OnEndOfPlayback();
switch (onend) {
case SRM_REWIND:
Rewind();
case SRM_NOTHING:
case SRM_ZEROS:
break;
}
return true;
}
void UniMRCPStreamRxMemory::OnCloseInternal()
{
Close();
UniMRCPStreamRx::OnCloseInternal();
}
UniMRCPStreamRxFile::UniMRCPStreamRxFile(char const* filename, size_t offset /*= 0*/, StreamRxMemoryEnd onend /*= SRM_NOTHING*/, bool paused /*= false*/) :
UniMRCPStreamRxMemory(NULL, 0, false, onend, paused),
filename(strdup(filename)),
offset(offset),
file(NULL),
mmap(NULL)
{
}
UniMRCPStreamRxFile::~UniMRCPStreamRxFile()
{
if (filename) {
free(const_cast<char*>(filename));
filename = NULL;
}
}
bool UniMRCPStreamRxFile::OnOpenInternal(UniMRCPAudioTermination const* term, mpf_audio_stream_t const* stm)
{
if (!UniMRCPStreamRxMemory::OnOpenInternal(term, stm))
return false;
apr_pool_t* pool = mrcp_application_session_pool_get(term->sess);
apr_status_t status;
status = apr_file_open(&file, filename, APR_FOPEN_READ | APR_FOPEN_BINARY, APR_FPROT_OS_DEFAULT, pool);
if (status != APR_SUCCESS) {
apt_log(APT_LOG_MARK, APT_PRIO_WARNING, "Error opening file %s: %d %pm", filename, status, &status);
return false;
}
apr_finfo_t finfo;
status = apr_file_info_get(&finfo, APR_FINFO_SIZE, file);
if (status != APR_SUCCESS) {
apt_log(APT_LOG_MARK, APT_PRIO_WARNING, "Error getting size of file %s: %d %pm", filename, status, &status);
apr_file_close(file);
return false;
}
if ((finfo.size < 0) || (offset >= static_cast<size_t>(finfo.size))) {
apt_log(APT_LOG_MARK, APT_PRIO_WARNING, "Offest %"APR_SIZE_T_FMT" beyond file size %"APR_OFF_T_FMT, offset, finfo.size);
return false;
}
apr_size_t poffset = offset & ~(PAGE_SIZE - 1);
apr_size_t psize = static_cast<apr_size_t>(finfo.size - poffset);
status = apr_mmap_create(&mmap, file, poffset, psize, APR_MMAP_READ, pool);
if (status != APR_SUCCESS) {