void vehReturn() {
EXCEPTION_RECORD rec;
//need to check eax here to see if exception was handled
//or if it needs to be kicked up to next SEH handler
unsigned int res = eax;
esp += 3 * SIZE_DWORD; //clear off exception pointers
popExceptionRecord(&rec);
popContext();
contextToCpu();
//eip is now restored to pre exception location
//need to fake an iret here
doInterruptReturn(); //this clobbers EIP, CS, EFLAGS
//so restore them here from ctx values
cpu.eip = ctx.Eip;
cpu.eflags = ctx.EFlags;
_cs = ctx.SegCs;
msg("Performing VEH return\n");
if (res == EXCEPTION_CONTINUE_EXECUTION) {
currentVehHandler = 0;
}
else { //res == EXCEPTION_CONTINUE_SEARCH
doException(&rec);
}
}
static guint
gst_openal_sink_delay (GstAudioSink * asink)
{
GstOpenALSink *openal = GST_OPENAL_SINK (asink);
ALint queued, state, offset, delay;
ALCcontext *old;
if (!openal->context)
return 0;
GST_OPENAL_SINK_LOCK (openal);
old = pushContext (openal->context);
delay = 0;
alGetSourcei (openal->sID, AL_BUFFERS_QUEUED, &queued);
/* Order here is important. If the offset is queried after the state and an
* underrun occurs in between the two calls, it can end up with a 0 offset
* in a playing state, incorrectly reporting a len*queued/bps delay. */
alGetSourcei (openal->sID, AL_BYTE_OFFSET, &offset);
alGetSourcei (openal->sID, AL_SOURCE_STATE, &state);
/* Note: state=stopped is an underrun, meaning all buffers are processed
* and there's no delay when writing the next buffer. Pre-buffering is
* state=initial, which will introduce a delay while writing. */
if (checkALError () == AL_NO_ERROR && state != AL_STOPPED)
delay = ((queued * openal->bID_length) - offset) / openal->bytes_per_sample;
popContext (old, openal->context);
GST_OPENAL_SINK_UNLOCK (openal);
return delay;
}
static gboolean
gst_openal_sink_unprepare (GstAudioSink * asink)
{
GstOpenALSink *openal = GST_OPENAL_SINK (asink);
ALCcontext *old;
if (!openal->context)
return TRUE;
old = pushContext (openal->context);
alSourceStop (openal->sID);
alSourcei (openal->sID, AL_BUFFER, 0);
if (!openal->custom_sID)
alDeleteSources (1, &openal->sID);
openal->sID = 0;
alDeleteBuffers (openal->bID_count, openal->bIDs);
g_free (openal->bIDs);
openal->bIDs = NULL;
openal->bID_idx = 0;
openal->bID_count = 0;
openal->bID_length = 0;
checkALError ();
popContext (old, openal->context);
if (!openal->custom_ctx)
alcDestroyContext (openal->context);
openal->context = NULL;
return TRUE;
}
static gboolean
gst_openal_sink_unprepare (GstAudioSink * audiosink)
{
GstOpenALSink *sink = GST_OPENAL_SINK (audiosink);
ALCcontext *old;
if (!sink->default_context)
return TRUE;
old = pushContext (sink->default_context);
alSourceStop (sink->default_source);
alSourcei (sink->default_source, AL_BUFFER, 0);
if (!sink->user_source)
alDeleteSources (1, &sink->default_source);
sink->default_source = 0;
alDeleteBuffers (sink->buffer_count, sink->buffers);
g_free (sink->buffers);
sink->buffers = NULL;
sink->buffer_idx = 0;
sink->buffer_count = 0;
sink->buffer_length = 0;
checkALError ();
popContext (old, sink->default_context);
if (!sink->user_context)
alcDestroyContext (sink->default_context);
sink->default_context = NULL;
return TRUE;
}
void ScriptEngine::importProgram(const QScriptProgram &program, const QScriptValue &scope,
QScriptValue &targetObject)
{
QSet<QString> globalPropertyNames;
{
QScriptValueIterator it(globalObject());
while (it.hasNext()) {
it.next();
globalPropertyNames += it.name();
}
}
pushContext();
if (scope.isObject())
currentContext()->pushScope(scope);
QScriptValue result = evaluate(program);
QScriptValue activationObject = currentContext()->activationObject();
if (scope.isObject())
currentContext()->popScope();
popContext();
if (Q_UNLIKELY(hasErrorOrException(result)))
throw ErrorInfo(tr("Error when importing '%1': %2").arg(program.fileName(), result.toString()));
// If targetObject is already an object, it doesn't get overwritten but enhanced by the
// contents of the .js file.
// This is necessary for library imports that consist of multiple js files.
if (!targetObject.isObject())
targetObject = newObject();
// Copy every property of the activation object to the target object.
// We do not just save a reference to the activation object, because QScriptEngine contains
// special magic for activation objects that leads to unanticipated results.
{
QScriptValueIterator it(activationObject);
while (it.hasNext()) {
it.next();
if (debugJSImports)
qDebug() << "[ENGINE] Copying property " << it.name();
targetObject.setProperty(it.name(), it.value());
}
}
// Copy new global properties to the target object and remove them from
// the global object. This is to support direct variable assignments
// without the 'var' keyword in JavaScript files.
QScriptValueIterator it(globalObject());
while (it.hasNext()) {
it.next();
if (globalPropertyNames.contains(it.name()))
continue;
if (debugJSImports) {
qDebug() << "[ENGINE] inserting global property "
<< it.name() << " " << it.value().toString();
}
targetObject.setProperty(it.name(), it.value());
it.remove();
}
}
void Interpreter::doReturn() {
popContext();
assert(stackTrace.size() > 0);
CallInfo ci = stackTrace.top();
stackTrace.pop();
_bc = ci._bc;
_insPtr = ci._insPtr;
}
void ParserEngine::parseExternal(XML_Parser extParser, InputSource* pInputSource)
{
pushContext(extParser, pInputSource);
if (pInputSource->getCharacterStream())
parseExternalCharInputStream(extParser, *pInputSource->getCharacterStream());
else if (pInputSource->getByteStream())
parseExternalByteInputStream(extParser, *pInputSource->getByteStream());
else throw XMLException("Input source has no stream");
popContext();
}
void
OutputContextStack::reset()
{
while(m_stackPosition != m_stack.begin())
{
popContext();
}
assert(empty() == true);
}
void ParserEngine::parse(const char* pBuffer, std::size_t size)
{
init();
resetContext();
InputSource src;
pushContext(_parser, &src);
if (_pContentHandler) _pContentHandler->setDocumentLocator(this);
if (_pContentHandler) _pContentHandler->startDocument();
if (!XML_Parse(_parser, pBuffer, static_cast<int>(size), 1))
handleError(XML_GetErrorCode(_parser));
if (_pContentHandler) _pContentHandler->endDocument();
popContext();
}
void Generator::visitCursorChildren(CXCursor cursor, Generator::Visitor callback) const
{
VisitorWrapper wrapper = [&callback, this](const CXCursor &self, const CXCursor &parent) {
pushContext(self, parent);
auto ret = callback();
popContext();
return ret;
};
CXClientData data = reinterpret_cast<CXClientData>(&wrapper);
clang_visitChildren(cursor,
childVisitor,
data);
}
void GemWindow::render(void){
if(!makeCurrent()) {
error("unable to switch to current window (do you have one?), cannot render!");
return;
}
if(!pushContext()) {
error("unable to switch to current context, cannot render!");
return;
}
bang();
if(m_buffer==2)
swapBuffers();
popContext();
}
void ParserEngine::parse(InputSource* pInputSource)
{
init();
resetContext();
pushContext(_parser, pInputSource);
if (_pContentHandler) _pContentHandler->setDocumentLocator(this);
if (_pContentHandler) _pContentHandler->startDocument();
if (pInputSource->getCharacterStream())
parseCharInputStream(*pInputSource->getCharacterStream());
else if (pInputSource->getByteStream())
parseByteInputStream(*pInputSource->getByteStream());
else throw XMLException("Input source has no stream");
if (_pContentHandler) _pContentHandler->endDocument();
popContext();
}
static void
gst_openal_sink_reset (GstAudioSink * audiosink)
{
GstOpenALSink *sink = GST_OPENAL_SINK (audiosink);
ALCcontext *old;
GST_OPENAL_SINK_LOCK (sink);
old = pushContext (sink->default_context);
sink->write_reset = AL_TRUE;
alSourceStop (sink->default_source);
alSourceRewind (sink->default_source);
alSourcei (sink->default_source, AL_BUFFER, 0);
checkALError ();
popContext (old, sink->default_context);
GST_OPENAL_SINK_UNLOCK (sink);
}
static void
gst_openal_sink_reset (GstAudioSink * asink)
{
GstOpenALSink *openal = GST_OPENAL_SINK (asink);
ALCcontext *old;
GST_OPENAL_SINK_LOCK (openal);
old = pushContext (openal->context);
openal->write_reset = AL_TRUE;
alSourceStop (openal->sID);
alSourceRewind (openal->sID);
alSourcei (openal->sID, AL_BUFFER, 0);
checkALError ();
popContext (old, openal->context);
GST_OPENAL_SINK_UNLOCK (openal);
}
void ParserEngine::parse(const char* pBuffer, std::size_t size)
{
init();
resetContext();
InputSource src;
pushContext(_parser, &src);
if (_pContentHandler) _pContentHandler->setDocumentLocator(this);
if (_pContentHandler) _pContentHandler->startDocument();
std::size_t processed = 0;
while (processed < size)
{
const int bufferSize = processed + PARSE_BUFFER_SIZE < size ? PARSE_BUFFER_SIZE : static_cast<int>(size - processed);
if (!XML_Parse(_parser, pBuffer + processed, bufferSize, 0))
handleError(XML_GetErrorCode(_parser));
processed += bufferSize;
}
if (!XML_Parse(_parser, pBuffer+processed, 0, 1))
handleError(XML_GetErrorCode(_parser));
if (_pContentHandler) _pContentHandler->endDocument();
popContext();
}
static guint
gst_openal_sink_delay (GstAudioSink * audiosink)
{
GstOpenALSink *sink = GST_OPENAL_SINK (audiosink);
ALint queued, state, offset, delay;
ALCcontext *old;
if (!sink->default_context)
return 0;
GST_OPENAL_SINK_LOCK (sink);
old = pushContext (sink->default_context);
delay = 0;
alGetSourcei (sink->default_source, AL_BUFFERS_QUEUED, &queued);
/* Order here is important. If the offset is queried after the state and an
* underrun occurs in between the two calls, it can end up with a 0 offset
* in a playing state, incorrectly reporting a len*queued/bps delay. */
alGetSourcei (sink->default_source, AL_BYTE_OFFSET, &offset);
alGetSourcei (sink->default_source, AL_SOURCE_STATE, &state);
/* Note: state=stopped is an underrun, meaning all buffers are processed
* and there's no delay when writing the next buffer. Pre-buffering is
* state=initial, which will introduce a delay while writing. */
if (checkALError () == AL_NO_ERROR && state != AL_STOPPED)
delay =
((queued * sink->buffer_length) -
offset) / sink->bytes_per_sample / sink->channels / GST_MSECOND;
popContext (old, sink->default_context);
GST_OPENAL_SINK_UNLOCK (sink);
if (G_UNLIKELY (delay < 0)) {
/* make sure we never return a negative delay */
GST_WARNING_OBJECT (openal_debug, "negative delay");
delay = 0;
}
return delay;
}
bool XLIFFHandler::endElement(const QString& namespaceURI,
const QString& localName, const QString& /*qName*/ )
{
if (namespaceURI == m_URI || namespaceURI == m_URI12) {
if (localName == QLatin1String("xliff")) {
popContext(XC_xliff);
} else if (localName == QLatin1String("source")) {
m_source = accum;
} else if (localName == QLatin1String("target")) {
translations.append(accum);
} else if (localName == QLatin1String("context-group")) {
popContext(XC_context_group);
} else if (currentContext() == XC_context_linenumber && localName == QLatin1String("context")) {
bool ok;
m_lineNumber = accum.trimmed().toInt(&ok);
if (!ok)
m_lineNumber = -1;
popContext(XC_context_linenumber);
} else if (localName == QLatin1String("note")) {
m_comment = accum;
} else if (localName == QLatin1String("ph")) {
m_ctype.clear();
popContext(XC_ph);
} else if (localName == QLatin1String("trans-unit")) {
if (!hasContext(XC_restype_plurals)) {
tor->insert( TranslatorMessage(m_context.toUtf8(), m_source.toUtf8(),
m_comment.toUtf8(), "", m_fileName, m_lineNumber,
translations, true, m_type, false) );
translations.clear();
m_lineNumber = -1;
}
} else if (localName == QLatin1String("group")) {
if (hasContext(XC_restype_plurals)) {
tor->insert( TranslatorMessage(m_context.toUtf8(), m_source.toUtf8(),
m_comment.toUtf8(), "", m_fileName, m_lineNumber,
translations, true, m_type, true) );
popContext(XC_restype_plurals);
translations.clear();
m_lineNumber = -1;
}
popContext(XC_group);
}
return true;
}
return false;
}
void CEvaluator::visit ( CApply* e )
{
CFunction *f= getFunction(e->getFunction());
if(!f) {
throw(EvaluationError("function \""+e->getFunction()+"\" is not defined."));
}
if(!f || (f->getNumArguments() != e->getNumArguments())) {
throw(EvaluationError("number of arguments for function \""+e->getFunction()+"\" does not match declaration."));
}
map<string,int> *newContext= new map<string,int>();
for(int i=0; i<f->getNumArguments();i++) {
string tmp=f->getArgument(i)->getName();
e->getArgument(i)->accept(this);
int value=result;
// cout << " "<< tmp <<"="<<value<<endl;
(*newContext)[tmp]=value;
}
pushContext(newContext);
CExpr *e2 = f->getExpression();
e2->accept(this);
delete popContext();
//return result;
}
static gint
gst_openal_sink_write (GstAudioSink * audiosink, gpointer data, guint length)
{
GstOpenALSink *sink = GST_OPENAL_SINK (audiosink);
ALint processed, queued, state;
ALCcontext *old;
gulong rest_us;
g_assert (length == sink->buffer_length);
old = pushContext (sink->default_context);
rest_us =
(guint64) (sink->buffer_length / sink->bytes_per_sample) *
G_USEC_PER_SEC / sink->rate / sink->channels;
do {
alGetSourcei (sink->default_source, AL_SOURCE_STATE, &state);
alGetSourcei (sink->default_source, AL_BUFFERS_QUEUED, &queued);
alGetSourcei (sink->default_source, AL_BUFFERS_PROCESSED, &processed);
if (checkALError () != AL_NO_ERROR) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
("Source state error detected"));
length = 0;
goto out_nolock;
}
if (processed > 0 || queued < sink->buffer_count)
break;
if (state != AL_PLAYING)
alSourcePlay (sink->default_source);
g_usleep (rest_us);
}
while (1);
GST_OPENAL_SINK_LOCK (sink);
if (sink->write_reset != AL_FALSE) {
sink->write_reset = AL_FALSE;
length = 0;
goto out;
}
queued -= processed;
while (processed-- > 0) {
ALuint bid;
alSourceUnqueueBuffers (sink->default_source, 1, &bid);
}
if (state == AL_STOPPED) {
/* "Restore" from underruns (not actually needed, but it keeps delay
* calculations correct while rebuffering) */
alSourceRewind (sink->default_source);
}
alBufferData (sink->buffers[sink->buffer_idx], sink->format,
data, sink->buffer_length, sink->rate);
alSourceQueueBuffers (sink->default_source, 1,
&sink->buffers[sink->buffer_idx]);
sink->buffer_idx = (sink->buffer_idx + 1) % sink->buffer_count;
queued++;
if (state != AL_PLAYING && queued == sink->buffer_count)
alSourcePlay (sink->default_source);
if (checkALError () != AL_NO_ERROR) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
("Source queue error detected"));
goto out;
}
out:
GST_OPENAL_SINK_UNLOCK (sink);
out_nolock:
popContext (old, sink->default_context);
return length;
}
static gboolean
gst_openal_sink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
{
GstOpenALSink *openal = GST_OPENAL_SINK (asink);
ALCcontext *ctx, *old;
if (openal->context && !gst_openal_sink_unprepare (asink))
return FALSE;
if (openal->custom_ctx)
ctx = openal->custom_ctx;
else {
ALCint attribs[3] = { 0, 0, 0 };
/* Don't try to change the playback frequency of an app's device */
if (!openal->custom_dev) {
attribs[0] = ALC_FREQUENCY;
attribs[1] = spec->rate;
attribs[2] = 0;
}
ctx = alcCreateContext (openal->device, attribs);
if (!ctx) {
GST_ELEMENT_ERROR (openal, RESOURCE, FAILED,
("Unable to prepare device."), GST_ALC_ERROR (openal->device));
return FALSE;
}
}
old = pushContext (ctx);
if (openal->custom_sID) {
if (!openal->custom_ctx || !alIsSource (openal->custom_sID)) {
GST_ELEMENT_ERROR (openal, RESOURCE, NOT_FOUND, (NULL),
("Invalid source ID specified for context"));
goto fail;
}
openal->sID = openal->custom_sID;
} else {
ALuint sourceID;
alGenSources (1, &sourceID);
if (checkALError () != AL_NO_ERROR) {
GST_ELEMENT_ERROR (openal, RESOURCE, NO_SPACE_LEFT, (NULL),
("Unable to generate source"));
goto fail;
}
openal->sID = sourceID;
}
gst_openal_sink_parse_spec (openal, spec);
if (openal->format == AL_NONE) {
GST_ELEMENT_ERROR (openal, RESOURCE, SETTINGS, (NULL),
("Unable to get type %d, format %d, and %d channels",
spec->type, spec->format, spec->channels));
goto fail;
}
openal->bIDs = g_malloc (openal->bID_count * sizeof (*openal->bIDs));
if (!openal->bIDs) {
GST_ELEMENT_ERROR (openal, RESOURCE, FAILED, ("Out of memory."),
("Unable to allocate buffer IDs"));
goto fail;
}
alGenBuffers (openal->bID_count, openal->bIDs);
if (checkALError () != AL_NO_ERROR) {
GST_ELEMENT_ERROR (openal, RESOURCE, NO_SPACE_LEFT, (NULL),
("Unable to generate %d buffers", openal->bID_count));
goto fail;
}
openal->bID_idx = 0;
popContext (old, ctx);
openal->context = ctx;
return TRUE;
fail:
if (!openal->custom_sID && openal->sID)
alDeleteSources (1, &openal->sID);
openal->sID = 0;
g_free (openal->bIDs);
openal->bIDs = NULL;
openal->bID_count = 0;
openal->bID_length = 0;
popContext (old, ctx);
if (!openal->custom_ctx)
alcDestroyContext (ctx);
return FALSE;
}
static gboolean
gst_openal_sink_prepare (GstAudioSink * audiosink,
GstAudioRingBufferSpec * spec)
{
GstOpenALSink *sink = GST_OPENAL_SINK (audiosink);
ALCcontext *context, *old;
if (sink->default_context && !gst_openal_sink_unprepare (audiosink))
return FALSE;
if (sink->user_context)
context = sink->user_context;
else {
ALCint attribs[3] = { 0, 0, 0 };
/* Don't try to change the playback frequency of an app's device */
if (!sink->user_device) {
attribs[0] = ALC_FREQUENCY;
attribs[1] = GST_AUDIO_INFO_RATE (&spec->info);
attribs[2] = 0;
}
context = alcCreateContext (sink->default_device, attribs);
if (!context) {
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED,
("Unable to prepare device."), GST_ALC_ERROR (sink->default_device));
return FALSE;
}
}
old = pushContext (context);
if (sink->user_source) {
if (!sink->user_context || !alIsSource (sink->user_source)) {
GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND, (NULL),
("Invalid source specified for context"));
goto fail;
}
sink->default_source = sink->user_source;
} else {
ALuint source;
alGenSources (1, &source);
if (checkALError () != AL_NO_ERROR) {
GST_ELEMENT_ERROR (sink, RESOURCE, NO_SPACE_LEFT, (NULL),
("Unable to generate source"));
goto fail;
}
sink->default_source = source;
}
gst_openal_sink_parse_spec (sink, spec);
if (sink->format == AL_NONE) {
GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
("Unable to get type %d, format %d, and %d channels", spec->type,
GST_AUDIO_INFO_FORMAT (&spec->info),
GST_AUDIO_INFO_CHANNELS (&spec->info)));
goto fail;
}
sink->buffers = g_malloc (sink->buffer_count * sizeof (*sink->buffers));
if (!sink->buffers) {
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, ("Out of memory."),
("Unable to allocate buffers"));
goto fail;
}
alGenBuffers (sink->buffer_count, sink->buffers);
if (checkALError () != AL_NO_ERROR) {
GST_ELEMENT_ERROR (sink, RESOURCE, NO_SPACE_LEFT, (NULL),
("Unable to generate %d buffers", sink->buffer_count));
goto fail;
}
sink->buffer_idx = 0;
popContext (old, context);
sink->default_context = context;
return TRUE;
fail:
if (!sink->user_source && sink->default_source)
alDeleteSources (1, &sink->default_source);
sink->default_source = 0;
g_free (sink->buffers);
sink->buffers = NULL;
sink->buffer_count = 0;
sink->buffer_length = 0;
popContext (old, context);
if (!sink->user_context)
alcDestroyContext (context);
return FALSE;
}
static GstCaps *
gst_openal_helper_probe_caps (ALCcontext * context)
{
static const struct
{
gint count;
GstAudioChannelPosition positions[8];
} chans[] = {
{
1, {
GST_AUDIO_CHANNEL_POSITION_MONO}
}, {
2, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}
}, {
4, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}
}, {
6, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE1,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}
}, {
7, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE1,
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER,
GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}
}, {
8, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE1,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}
},};
GstStructure *structure;
guint64 channel_mask;
GstCaps *caps;
ALCcontext *old;
old = pushContext (context);
caps = gst_caps_new_empty ();
if (alIsExtensionPresent ("AL_EXT_MCFORMATS")) {
const char *fmt32[] = {
"AL_FORMAT_MONO_FLOAT32",
"AL_FORMAT_STEREO_FLOAT32",
"AL_FORMAT_QUAD32",
"AL_FORMAT_51CHN32",
"AL_FORMAT_61CHN32",
"AL_FORMAT_71CHN32",
NULL
}, *fmt16[] = {
"AL_FORMAT_MONO16",
"AL_FORMAT_STEREO16",
"AL_FORMAT_QUAD16",
"AL_FORMAT_51CHN16",
"AL_FORMAT_61CHN16", "AL_FORMAT_71CHN16", NULL}, *fmt8[] = {
"AL_FORMAT_MONO8",
"AL_FORMAT_STEREO8",
"AL_FORMAT_QUAD8",
"AL_FORMAT_51CHN8", "AL_FORMAT_61CHN8", "AL_FORMAT_71CHN8", NULL};
int i;
if (alIsExtensionPresent ("AL_EXT_FLOAT32")) {
for (i = 0; fmt32[i]; i++) {
ALenum value = alGetEnumValue (fmt32[i]);
if (checkALError () != AL_NO_ERROR || value == 0 || value == -1)
continue;
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
GST_AUDIO_NE (F32), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", G_TYPE_INT, chans[i].count, NULL);
if (chans[i].count > 2) {
gst_audio_channel_positions_to_mask (chans[i].positions,
chans[i].count, FALSE, &channel_mask);
gst_structure_set (structure, "channel-mask", GST_TYPE_BITMASK,
channel_mask, NULL);
}
gst_caps_append_structure (caps, structure);
}
}
for (i = 0; fmt16[i]; i++) {
ALenum value = alGetEnumValue (fmt16[i]);
if (checkALError () != AL_NO_ERROR || value == 0 || value == -1)
continue;
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
GST_AUDIO_NE (S16), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", G_TYPE_INT, chans[i].count, NULL);
if (chans[i].count > 2) {
gst_audio_channel_positions_to_mask (chans[i].positions, chans[i].count,
FALSE, &channel_mask);
gst_structure_set (structure, "channel-mask", GST_TYPE_BITMASK,
channel_mask, NULL);
}
gst_caps_append_structure (caps, structure);
}
for (i = 0; fmt8[i]; i++) {
ALenum value = alGetEnumValue (fmt8[i]);
if (checkALError () != AL_NO_ERROR || value == 0 || value == -1)
continue;
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
G_STRINGIFY (U8), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", G_TYPE_INT, chans[i].count, NULL);
if (chans[i].count > 2) {
gst_audio_channel_positions_to_mask (chans[i].positions, chans[i].count,
FALSE, &channel_mask);
gst_structure_set (structure, "channel-mask", GST_TYPE_BITMASK,
channel_mask, NULL);
}
gst_caps_append_structure (caps, structure);
}
} else {
if (alIsExtensionPresent ("AL_EXT_FLOAT32")) {
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
GST_AUDIO_NE (F32), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
GST_AUDIO_NE (S16), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
G_STRINGIFY (U8), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
if (alIsExtensionPresent ("AL_EXT_double")) {
structure =
gst_structure_new ("audio/x-raw", "format", G_TYPE_STRING,
GST_AUDIO_NE (F64), "rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
if (alIsExtensionPresent ("AL_EXT_IMA4")) {
structure =
gst_structure_new ("audio/x-adpcm", "layout", G_TYPE_STRING, "ima",
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
if (alIsExtensionPresent ("AL_EXT_ALAW")) {
structure =
gst_structure_new ("audio/x-alaw", "rate", GST_TYPE_INT_RANGE,
OPENAL_MIN_RATE, OPENAL_MAX_RATE, "channels", GST_TYPE_INT_RANGE, 1, 2,
NULL);
gst_caps_append_structure (caps, structure);
}
if (alIsExtensionPresent ("AL_EXT_MULAW_MCFORMATS")) {
const char *fmtmulaw[] = {
"AL_FORMAT_MONO_MULAW",
"AL_FORMAT_STEREO_MULAW",
"AL_FORMAT_QUAD_MULAW",
"AL_FORMAT_51CHN_MULAW",
"AL_FORMAT_61CHN_MULAW",
"AL_FORMAT_71CHN_MULAW",
NULL
};
int i;
for (i = 0; fmtmulaw[i]; i++) {
ALenum value = alGetEnumValue (fmtmulaw[i]);
if (checkALError () != AL_NO_ERROR || value == 0 || value == -1)
continue;
structure =
gst_structure_new ("audio/x-mulaw", "rate", GST_TYPE_INT_RANGE,
OPENAL_MIN_RATE, OPENAL_MAX_RATE, "channels", G_TYPE_INT,
chans[i].count, NULL);
if (chans[i].count > 2) {
gst_audio_channel_positions_to_mask (chans[i].positions, chans[i].count,
FALSE, &channel_mask);
gst_structure_set (structure, "channel-mask", GST_TYPE_BITMASK,
channel_mask, NULL);
}
gst_caps_append_structure (caps, structure);
}
} else if (alIsExtensionPresent ("AL_EXT_MULAW")) {
structure =
gst_structure_new ("audio/x-mulaw", "rate", GST_TYPE_INT_RANGE,
OPENAL_MIN_RATE, OPENAL_MAX_RATE, "channels", GST_TYPE_INT_RANGE, 1, 2,
NULL);
gst_caps_append_structure (caps, structure);
}
popContext (old, context);
return caps;
}
void NetMessageReader::parse()
{
while (!isEndOfBuffer()) {
if (std::isprint(currentChar())) {
TRACE("parse: '%c' (%d) %s", currentChar(), static_cast<int>(state()), state_str());
} else {
TRACE("parse: 0x%02X (%d) %s", currentChar(), static_cast<int>(state()), state_str());
}
switch (state()) {
case MESSAGE_BEGIN:
// Syntetic state. Go straight to TYPE.
case MESSAGE_TYPE:
switch (currentChar()) {
case '+':
case '-':
case ':':
currentContext_->type = static_cast<NetMessage::Type>(currentChar());
setState(MESSAGE_LINE_BEGIN);
nextChar();
break;
case '$':
currentContext_->type = NetMessage::String;
setState(BULK_BEGIN);
break;
case '*':
currentContext_->type = NetMessage::Array;
setState(MESSAGE_NUM_ARGS);
nextChar();
break;
default:
currentContext_->type = NetMessage::Nil;
setState(SYNTAX_ERROR);
return;
}
break;
case MESSAGE_LINE_BEGIN:
if (currentChar() == '\r') {
setState(SYNTAX_ERROR);
return;
}
setState(MESSAGE_LINE_OR_CR);
begin_ = pos_;
nextChar();
break;
case MESSAGE_LINE_OR_CR:
if (currentChar() == '\n') {
setState(SYNTAX_ERROR);
return;
}
if (currentChar() == '\r')
setState(MESSAGE_LINE_LF);
nextChar();
break;
case MESSAGE_LINE_LF: {
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
BufferRef value = buffer_->ref(begin_, pos_ - begin_ - 1);
switch (currentContext_->type) {
case NetMessage::Status:
currentContext_->message = NetMessage::createStatus(value);
break;
case NetMessage::Error:
currentContext_->message = NetMessage::createError(value);
break;
case NetMessage::String:
currentContext_->message = NetMessage::createString(value);
break;
case NetMessage::Number:
currentContext_->message = NetMessage::createNumber(value.toInt());
break;
default:
currentContext_->message = NetMessage::createNil();
break;
}
setState(MESSAGE_END);
nextChar();
popContext();
break;
}
case MESSAGE_NUM_ARGS: {
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
currentContext_->number *= 10;
currentContext_->number += currentChar() - '0';
setState(MESSAGE_NUM_ARGS_OR_CR);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
}
case MESSAGE_NUM_ARGS_OR_CR:
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
currentContext_->number *= 10;
currentContext_->number += currentChar() - '0';
nextChar();
break;
case '\r':
setState(MESSAGE_LF);
currentContext_->message = NetMessage::createArray(currentContext_->number);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
case MESSAGE_LF:
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
nextChar();
if (currentContext_->type == NetMessage::Array) {
setState(BULK_BEGIN);
pushContext();
} else {
setState(MESSAGE_END);
popContext();
}
break;
case BULK_BEGIN:
if (currentChar() != '$') {
setState(SYNTAX_ERROR);
return;
}
setState(BULK_SIZE);
nextChar();
break;
case BULK_SIZE:
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
argSize_ *= 10;
argSize_ += currentChar() - '0';
setState(BULK_SIZE_OR_CR);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
case BULK_SIZE_OR_CR:
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
argSize_ *= 10;
argSize_ += currentChar() - '0';
nextChar();
break;
case '\r':
setState(BULK_SIZE_LF);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
case BULK_SIZE_LF:
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
nextChar();
setState(BULK_BODY_OR_CR);
begin_ = pos_;
break;
case BULK_BODY_OR_CR:
if (argSize_ > 0) {
argSize_ -= nextChar(argSize_);
} else if (currentChar() == '\r') {
BufferRef value = buffer_->ref(begin_, pos_ - begin_);
currentContext_->message = NetMessage::createString(value);
nextChar();
setState(BULK_BODY_LF);
} else {
setState(SYNTAX_ERROR);
return;
}
break;
case BULK_BODY_LF:
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
nextChar();
setState(MESSAGE_END);
popContext();
break;
case MESSAGE_END:
// if we reach here, then only because
// there's garbage at the end of our message.
break;
case SYNTAX_ERROR:
fprintf(stderr, "NetMessageSocket message syntax error at offset %zi\n", pos_);
break;
default:
break;
}
}
}
bool XLIFFHandler::endElement(const QString &namespaceURI, const QString& localName,
const QString &qName)
{
Q_UNUSED(qName);
if (namespaceURI == m_URITT) {
if (hasContext(XC_trans_unit) || hasContext(XC_restype_plurals))
m_extra[localName] = accum;
else
m_translator.setExtra(localName, accum);
return true;
}
if (namespaceURI != m_URI && namespaceURI != m_URI12)
return false;
//qDebug() << "URI:" << namespaceURI << "QNAME:" << qName;
if (localName == QLatin1String("xliff")) {
popContext(XC_xliff);
} else if (localName == QLatin1String("source")) {
if (hasContext(XC_alt_trans)) {
if (m_isPlural && m_oldSources.isEmpty())
m_oldSources.append(QString());
m_oldSources.append(accum);
m_hadAlt = true;
} else {
m_sources.append(accum);
}
} else if (localName == QLatin1String("target")) {
if (popContext(XC_restype_translation)) {
accum.replace(QChar(Translator::TextVariantSeparator),
QChar(Translator::BinaryVariantSeparator));
m_translations.append(accum);
}
} else if (localName == QLatin1String("context-group")) {
if (popContext(XC_context_group)) {
m_refs.append(TranslatorMessage::Reference(
m_extraFileName.isEmpty() ? m_fileName : m_extraFileName, m_lineNumber));
m_extraFileName.clear();
m_lineNumber = -1;
} else {
popContext(XC_context_group_any);
}
} else if (localName == QLatin1String("context")) {
if (popContext(XC_context_linenumber)) {
bool ok;
m_lineNumber = accum.trimmed().toInt(&ok);
if (!ok)
m_lineNumber = -1;
} else if (popContext(XC_context_filename)) {
m_extraFileName = accum;
} else if (popContext(XC_context_comment)) {
m_comment = accum;
} else if (popContext(XC_context_old_comment)) {
m_oldComment = accum;
}
} else if (localName == QLatin1String("note")) {
if (popContext(XC_extra_comment))
m_extraComment = accum;
else if (popContext(XC_translator_comment))
m_translatorComment = accum;
} else if (localName == QLatin1String("ph")) {
m_ctype.clear();
popContext(XC_ph);
} else if (localName == QLatin1String("trans-unit")) {
popContext(XC_trans_unit);
if (!m_hadAlt)
m_oldSources.append(QString());
if (!hasContext(XC_restype_plurals)) {
if (!finalizeMessage(false))
return false;
}
} else if (localName == QLatin1String("alt-trans")) {
popContext(XC_alt_trans);
} else if (localName == QLatin1String("group")) {
if (popContext(XC_restype_plurals)) {
if (!finalizeMessage(true))
return false;
} else if (popContext(XC_restype_context)) {
m_context.clear();
} else {
popContext(XC_group);
}
}
return true;
}
static GstCaps *
gst_openal_helper_probe_caps (ALCcontext * ctx)
{
static const struct
{
gint count;
GstAudioChannelPosition pos[8];
} chans[] = {
{
1, {
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO
}
}, {
2, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT
}
}, {
4, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT
}
}, {
6, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT
}
}, {
7, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE,
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER,
GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT
}
}, {
8, {
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE,
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT
}
},
};
GstStructure *structure;
ALCcontext *old;
GstCaps *caps;
old = pushContext (ctx);
caps = gst_caps_new_empty ();
if (alIsExtensionPresent ("AL_EXT_MCFORMATS")) {
const char *fmt32[] = {
"AL_FORMAT_MONO_FLOAT32", "AL_FORMAT_STEREO_FLOAT32",
"AL_FORMAT_QUAD32", "AL_FORMAT_51CHN32", "AL_FORMAT_61CHN32",
"AL_FORMAT_71CHN32", NULL
}, *fmt16[] = {
"AL_FORMAT_MONO16", "AL_FORMAT_STEREO16", "AL_FORMAT_QUAD16",
"AL_FORMAT_51CHN16", "AL_FORMAT_61CHN16", "AL_FORMAT_71CHN16", NULL
},
*fmt8[] = {
"AL_FORMAT_MONO8", "AL_FORMAT_STEREO8", "AL_FORMAT_QUAD8",
"AL_FORMAT_51CHN8", "AL_FORMAT_61CHN8", "AL_FORMAT_71CHN8", NULL
};
int i;
if (alIsExtensionPresent ("AL_EXT_FLOAT32")) {
for (i = 0; fmt32[i]; i++) {
ALenum val = alGetEnumValue (fmt32[i]);
if (checkALError () != AL_NO_ERROR || val == 0 || val == -1)
continue;
structure = gst_structure_new ("audio/x-raw-float",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE,
OPENAL_MAX_RATE, "width", G_TYPE_INT, 32, NULL);
gst_structure_set (structure, "channels", G_TYPE_INT,
chans[i].count, NULL);
if (chans[i].count > 2)
gst_audio_set_channel_positions (structure, chans[i].pos);
gst_caps_append_structure (caps, structure);
}
}
for (i = 0; fmt16[i]; i++) {
ALenum val = alGetEnumValue (fmt16[i]);
if (checkALError () != AL_NO_ERROR || val == 0 || val == -1)
continue;
structure = gst_structure_new ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16, "signed", G_TYPE_BOOLEAN, TRUE, NULL);
gst_structure_set (structure, "channels", G_TYPE_INT,
chans[i].count, NULL);
if (chans[i].count > 2)
gst_audio_set_channel_positions (structure, chans[i].pos);
gst_caps_append_structure (caps, structure);
}
for (i = 0; fmt8[i]; i++) {
ALenum val = alGetEnumValue (fmt8[i]);
if (checkALError () != AL_NO_ERROR || val == 0 || val == -1)
continue;
structure = gst_structure_new ("audio/x-raw-int",
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"width", G_TYPE_INT, 8,
"depth", G_TYPE_INT, 8, "signed", G_TYPE_BOOLEAN, FALSE, NULL);
gst_structure_set (structure, "channels", G_TYPE_INT,
chans[i].count, NULL);
if (chans[i].count > 2)
gst_audio_set_channel_positions (structure, chans[i].pos);
gst_caps_append_structure (caps, structure);
}
} else {
if (alIsExtensionPresent ("AL_EXT_FLOAT32")) {
structure = gst_structure_new ("audio/x-raw-float",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"width", G_TYPE_INT, 32, "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
structure = gst_structure_new ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"signed", G_TYPE_BOOLEAN, TRUE,
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
structure = gst_structure_new ("audio/x-raw-int",
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"width", G_TYPE_INT, 8,
"depth", G_TYPE_INT, 8,
"signed", G_TYPE_BOOLEAN, FALSE,
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
if (alIsExtensionPresent ("AL_EXT_MULAW_MCFORMATS")) {
const char *fmtmulaw[] = {
"AL_FORMAT_MONO_MULAW", "AL_FORMAT_STEREO_MULAW",
"AL_FORMAT_QUAD_MULAW", "AL_FORMAT_51CHN_MULAW",
"AL_FORMAT_61CHN_MULAW", "AL_FORMAT_71CHN_MULAW", NULL
};
int i;
for (i = 0; fmtmulaw[i]; i++) {
ALenum val = alGetEnumValue (fmtmulaw[i]);
if (checkALError () != AL_NO_ERROR || val == 0 || val == -1)
continue;
structure = gst_structure_new ("audio/x-mulaw",
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE, NULL);
gst_structure_set (structure, "channels", G_TYPE_INT,
chans[i].count, NULL);
if (chans[i].count > 2)
gst_audio_set_channel_positions (structure, chans[i].pos);
gst_caps_append_structure (caps, structure);
}
} else if (alIsExtensionPresent ("AL_EXT_MULAW")) {
structure = gst_structure_new ("audio/x-mulaw",
"rate", GST_TYPE_INT_RANGE, OPENAL_MIN_RATE, OPENAL_MAX_RATE,
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
gst_caps_append_structure (caps, structure);
}
popContext (old, ctx);
return caps;
}
Control::~Control()
{
popContext();
Q_ASSERT(current_context == 0);
}