devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Add capability to speak directly from the TTS engine.

Browse source 
The OS X TTS engine (and likely others) allows outputting its speech directly
to the sound system. This avoids the extra step of creating a temporary file to
play for TTS preview. Currently implemented as TTS capability reported.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29672 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling 2011-04-03 08:06:59 +00:00
parent 76c112ce6e
commit 746f01dd77
3 changed files with 48 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

49
rbutil/rbutilqt/base/ttscarbon.cpp
View file

@ -36,7 +36,7 @@ TTSCarbon::TTSCarbon(QObject* parent) : TTSBase(parent)
TTSBase::Capabilities TTSCarbon::capabilities()
{
return None;
return TTSBase::CanSpeak;
}
bool TTSCarbon::configOk()
@ -75,7 +75,7 @@ bool TTSCarbon::start(QString *errStr)
if(voiceIndex == numVoices) {
// voice not found. Add user notification here and proceed with
// system default voice.
qDebug() << "selected voice not found, using system default!";
qDebug() << "[TTSCarbon] Selected voice not found, using system default!";
GetVoiceDescription(&vspec, &vdesc, sizeof(vdesc));
if(vdesc.script != -1)
m_voiceScript = (CFStringBuiltInEncodings)vdesc.script;
@ -160,18 +160,21 @@ TTSStatus TTSCarbon::voice(QString text, QString wavfile, QString* errStr)
TTSStatus status = NoError;
OSErr error;
QString aifffile = wavfile + ".aiff";
// FIXME: find out why we need to do this.
// Create a local copy of the temporary file filename.
// Not doing so causes weird issues (path contains trailing spaces)
unsigned int len = aifffile.size() + 1;
char* tmpfile = (char*)malloc(len * sizeof(char));
strncpy(tmpfile, aifffile.toLocal8Bit().constData(), len);
CFStringRef tmpfileref = CFStringCreateWithCString(kCFAllocatorDefault,
tmpfile, kCFStringEncodingUTF8);
CFURLRef urlref = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
tmpfileref, kCFURLPOSIXPathStyle, false);
SetSpeechInfo(m_channel, soOutputToFileWithCFURL, urlref);
char* tmpfile;
if(!wavfile.isEmpty()) {
QString aifffile = wavfile + ".aiff";
// FIXME: find out why we need to do this.
// Create a local copy of the temporary file filename.
// Not doing so causes weird issues (path contains trailing spaces)
unsigned int len = aifffile.size() + 1;
tmpfile = (char*)malloc(len * sizeof(char));
strncpy(tmpfile, aifffile.toLocal8Bit().constData(), len);
CFStringRef tmpfileref = CFStringCreateWithCString(kCFAllocatorDefault,
tmpfile, kCFStringEncodingUTF8);
CFURLRef urlref = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
tmpfileref, kCFURLPOSIXPathStyle, false);
SetSpeechInfo(m_channel, soOutputToFileWithCFURL, urlref);
}
// speak it.
// Convert the string to the encoding requested by the voice. Do this
@ -206,15 +209,17 @@ TTSStatus TTSCarbon::voice(QString text, QString wavfile, QString* errStr)
free(textbuf);
CFRelease(cfstring);
// convert the temporary aiff file to wav
if(status == NoError
&& convertAiffToWav(tmpfile, wavfile.toLocal8Bit().constData()) != 0) {
*errStr = tr("Could not convert intermediate file");
status = FatalError;
if(!wavfile.isEmpty()) {
// convert the temporary aiff file to wav
if(status == NoError
&& convertAiffToWav(tmpfile, wavfile.toLocal8Bit().constData()) != 0) {
*errStr = tr("Could not convert intermediate file");
status = FatalError;
}
// remove temporary aiff file
unlink(tmpfile);
free(tmpfile);
}
// remove temporary aiff file
unlink(tmpfile);
free(tmpfile);
return status;
}