#include <stdlib.h>
#include <ctype.h>
#include <fstream>
-#include <list>
#include <vector>
-
-#include <boost/shared_array.hpp>
+#include <algorithm>
#include <simgear/sound/soundmgr_openal.hxx>
#include <simgear/misc/sg_path.hxx>
#include <Main/globals.hxx>
-#include <stdio.h>
-
-#ifdef _MSC_VER
-#define strtok_r strtok_s
-#endif
-
using namespace std;
FGATCVoice::FGATCVoice() {
}
-typedef list < string > tokenList_type;
-typedef tokenList_type::iterator tokenList_iterator;
-
// Given a desired message, return a string containing the
// sound-sample data
void* FGATCVoice::WriteMessage(const string& message, size_t* len) {
// First - parse the message into a list of tokens.
// Sort the tokens into those we understand and those we don't.
// Add all the raw lengths of the token sound data, allocate enough space, and fill it with the rqd data.
- tokenList_type tokenList;
- tokenList_iterator tokenListItr;
-
- // TODO - at the moment we're effectively taking 3 passes through the data.
- // There is no need for this - 2 should be sufficient - we can probably ditch the tokenList.
- char* msg = (char *)message.c_str();
- char* token;
- int numWords = 0;
+
+ vector<char> sound;
const char delimiters[] = " \t.,;:\"\n";
- char* context;
- token = strtok_r(msg, delimiters, &context);
- while(token != NULL) {
- for (char *t = token; *t; t++) {
- *t = tolower(*t); // canonicalize the case, to
- if (*t == '-') *t = '_'; // match what's in the index
- }
- tokenList.push_back(token);
- ++numWords;
- SG_LOG(SG_ATC, SG_DEBUG, "voice synth: token: '"
- << token << "'");
- token = strtok_r(NULL, delimiters, &context);
- }
+ string::size_type token_start = message.find_first_not_of(delimiters);
+ while(token_start != string::npos) {
+ string::size_type token_end = message.find_first_of(delimiters, token_start);
+ string token;
+ if (token_end == string::npos) {
+ token = message.substr(token_start);
+ token_start = string::npos;
+ } else {
+ token = message.substr(token_start, token_end - token_start);
+ token_start = message.find_first_not_of(delimiters, token_end);
+ }
- vector<WordData> wdptr;
- wdptr.reserve(numWords);
- unsigned int cumLength = 0;
+ if (token == "/_") continue;
- tokenListItr = tokenList.begin();
- while(tokenListItr != tokenList.end()) {
- if(wordMap.find(*tokenListItr) == wordMap.end()) {
- // Oh dear - the token isn't in the sound file
- SG_LOG(SG_ATC, SG_DEBUG, "voice synth: word '"
- << *tokenListItr << "' not found");
+ for(string::iterator t = token.begin(); t != token.end(); t++) {
+ // canonicalize the token, to match what's in the index
+ *t = (*t == '-') ? '_' : tolower(*t);
+ }
+ SG_LOG(SG_ATC, SG_DEBUG, "voice synth: token: '"
+ << token << "'");
+
+ atc_word_map_const_iterator wordIt = wordMap.find(token);
+ if(wordIt == wordMap.end()) {
+ // Oh dear - the token isn't in the sound file
+ SG_LOG(SG_ATC, SG_ALERT, "voice synth: word '"
+ << token << "' not found");
} else {
- wdptr.push_back(wordMap[*tokenListItr]);
- cumLength += wdptr.back().length;
+ const WordData& word = wordIt->second;
+ /*
+ * Sanity check for corrupt/mismatched sound data input - avoids a seg fault
+ * (As long as the calling function checks the return value!!)
+ * This check should be left in even when the default Flightgear files are known
+ * to be OK since it checks for mis-indexing of voice files by 3rd party developers.
+ */
+ if((word.offset + word.length) > rawDataSize) {
+ SG_LOG(SG_ATC, SG_ALERT, "ERROR - mismatch between ATC .wav and .vce file in ATCVoice.cxx\n");
+ SG_LOG(SG_ATC, SG_ALERT, "Offset + length: " << word.offset + word.length
+ << " exceeds rawdata size: " << rawDataSize << endl);
+
+ *len = 0;
+ return 0;
+ }
+ sound.insert(sound.end(), rawSoundData + word.offset, rawSoundData + word.offset + word.length);
}
- ++tokenListItr;
}
- const size_t word = wdptr.size();
-
+
// Check for no tokens found else slScheduler can be crashed
- if(!word) {
+ *len = sound.size();
+ if (*len == 0) {
+ return 0;
+ }
+
+ char* data = (char*)malloc(*len);
+ if (data == 0) {
+ SG_LOG(SG_ATC, SG_ALERT, "ERROR - could not allocate " << *len << " bytes of memory for ATIS sound\n");
*len = 0;
- return NULL;
+ return 0;
}
- boost::shared_array<char> tmpbuf(new char[cumLength]);
- unsigned int bufpos = 0;
- for(int i=0; i<word; ++i) {
- /*
- * Sanity check for corrupt/mismatched sound data input - avoids a seg fault
- * (As long as the calling function checks the return value!!)
- * This check should be left in even when the default Flightgear files are known
- * to be OK since it checks for mis-indexing of voice files by 3rd party developers.
- */
- if((wdptr[i].offset + wdptr[i].length) > rawDataSize) {
- SG_LOG(SG_ATC, SG_ALERT, "ERROR - mismatch between ATC .wav and .vce file in ATCVoice.cxx\n");
- SG_LOG(SG_ATC, SG_ALERT, "Offset + length: " << wdptr[i].offset + wdptr[i].length
- << " exceeds rawdata size: " << rawDataSize << endl);
-
- *len = 0;
- return NULL;
- }
- memcpy(tmpbuf.get() + bufpos, rawSoundData + wdptr[i].offset, wdptr[i].length);
- bufpos += wdptr[i].length;
+
+ // randomize start position
+ unsigned int offsetIn = (unsigned int)(*len * sg_random());
+ if (offsetIn > 0 && offsetIn < *len) {
+ copy(sound.begin() + offsetIn, sound.end(), data);
+ copy(sound.begin(), sound.begin() + offsetIn, data + *len - offsetIn);
+ } else {
+ copy(sound.begin(), sound.end(), data);
}
-
- // tmpbuf now contains the message starting at the beginning - but we want it to start at a random position.
- unsigned int offsetIn = (int)(cumLength * sg_random());
- if(offsetIn > cumLength) offsetIn = cumLength;
-
- unsigned char *data = (unsigned char *)calloc(1, cumLength);
- *len = cumLength;
-#if 0
-memcpy(data, tmpbuf.get() + offsetIn, cumLength - offsetIn);
- memcpy(data + cumLength - offsetIn, tmpbuf.get(), offsetIn);
-#endif
return data;
}