void CodecCommander::onTimerAction()
{
// if infinite checks are enabled - essentially are for monitoring fugue state, sleep is fine with finite check
if (checkInfinite) {
// check if hda codec is powered
parseCodecPowerState();
// if no power after semi-sleep (fugue) state and power was restored - set EAPD bit
if (eapdPoweredDown && (hdaCurrentPowerState == 0x1 || hdaCurrentPowerState == 0x2)) {
DEBUG_LOG("CodecCommander: cc: --> hda codec power restored\n");
setOutputs();
// if popping requested - generate stream at fugue-wake
if (!coldBoot && generatePop){
createAudioStream();
}
// simulate headphone jack replug
simulateHedphoneJack(); // <------ makes sure this is needed?
}
}
// check if audio stream is up on given output
parseAudioEngineState();
// get EAPD bit status from command response if audio stream went up
if (hdaEngineState == 0x1) {
getOutputs();
// if engine output stream has started, but EAPD isn't up
if(response == 0x0) {
// set EAPD bit
setOutputs();
}
}
fTimer->setTimeoutMS(updateInterval);
}
size_t ASFStream::readBuffer(int16 *buffer, const size_t numSamples) {
size_t samplesDecoded = 0;
for (;;) {
if (_curAudioStream) {
const size_t n = _curAudioStream->readBuffer(buffer + samplesDecoded, numSamples - samplesDecoded);
if (n == kSizeInvalid)
return kSizeInvalid;
samplesDecoded += n;
if (_curAudioStream->endOfData()) {
delete _curAudioStream;
_curAudioStream = 0;
}
}
if (samplesDecoded == numSamples || endOfData())
break;
if (!_curAudioStream) {
_curAudioStream = createAudioStream();
}
}
return samplesDecoded;
}
IOReturn CodecCommander::setPowerState(unsigned long powerStateOrdinal, IOService *policyMaker)
{
if (kPowerStateSleep == powerStateOrdinal) {
DEBUG_LOG("CodecCommander: cc: --> asleep\n");
eapdPoweredDown = true;
// though this probably has been determined after parsing codec power state, we set this as false again
coldBoot = false;
}
else if (kPowerStateNormal == powerStateOrdinal) {
DEBUG_LOG("CodecCommander: cc: --> awake\n");
updateCount = 0;
// This operation has to be performed right at wake or codec will enter power mode 0 immediately!
// *****
// set EAPD bit at wake or cold boot
if (eapdPoweredDown) {
DEBUG_LOG("CodecCommander: cc: --> hda codec power restored\n");
// delay setting by 100ms, otherwise immediate command won't be received
IOSleep(100);
setOutputs();
}
// only when this is done we can stars a check workloop!
// *****
// if infinite checking requested
if (checkInfinite){
// if checking infinitely then make sure to delay workloop
if (coldBoot) {
fTimer->setTimeoutMS(20000); // create a nasty 20sec delay for AudioEngineOutput to initialize
}
// if we are waking it will be already initialized
else {
fTimer->setTimeoutMS(100); // so fire timer for workLoop almost immediately
}
DEBUG_LOG("CodecCommander: cc: --> workloop started\n");
}
// generate audio stream at wake if requested
if (!coldBoot && generatePop){
// apply delay or it will not trigger a system event
IOSleep(streamDelay);
createAudioStream();
}
// simulate headphone jack replug
simulateHedphoneJack();
}
return IOPMAckImplied;
}
bool AviDecoder::loadStream(Common::SeekableReadStream *stream) {
close();
_fileStream = stream;
_decodedHeader = false;
// Read chunks until we have decoded the header
while (!_decodedHeader)
runHandle(_fileStream->readUint32BE());
uint32 nextTag = _fileStream->readUint32BE();
// Throw out any JUNK section
if (nextTag == ID_JUNK) {
runHandle(ID_JUNK);
nextTag = _fileStream->readUint32BE();
}
// Ignore the 'movi' LIST
if (nextTag == ID_LIST) {
_fileStream->readUint32BE(); // Skip size
if (_fileStream->readUint32BE() != ID_MOVI)
error ("Expected 'movi' LIST");
} else
error ("Expected 'movi' LIST");
// Now, create the codec
_videoCodec = createCodec();
// Initialize the video stuff too
_audStream = createAudioStream();
if (_audStream)
_mixer->playStream(_soundType, _audHandle, _audStream);
debug (0, "Frames = %d, Dimensions = %d x %d", _header.totalFrames, _header.width, _header.height);
debug (0, "Frame Rate = %d", _vidsHeader.rate / _vidsHeader.scale);
if (_wvInfo.samplesPerSec != 0)
debug (0, "Sound Rate = %d", _wvInfo.samplesPerSec);
debug (0, "Video Codec = \'%s\'", tag2str(_vidsHeader.streamHandler));
if (!_videoCodec)
return false;
return true;
}
int ASFStream::readBuffer(int16 *buffer, const int numSamples) {
int samplesDecoded = 0;
for (;;) {
if (_curAudioStream) {
samplesDecoded += _curAudioStream->readBuffer(buffer + samplesDecoded, numSamples - samplesDecoded);
if (_curAudioStream->endOfData()) {
delete _curAudioStream;
_curAudioStream = 0;
}
}
if (samplesDecoded == numSamples || endOfData())
break;
if (!_curAudioStream) {
_curAudioStream = createAudioStream();
}
}
return samplesDecoded;
}
void AVIDecoder::AVIAudioTrack::resetStream() {
delete _audStream;
_audStream = createAudioStream();
}
AVIDecoder::AVIAudioTrack::AVIAudioTrack(const AVIStreamHeader &streamHeader, const PCMWaveFormat &waveFormat, Audio::Mixer::SoundType soundType)
: _audsHeader(streamHeader), _wvInfo(waveFormat), _soundType(soundType) {
_audStream = createAudioStream();
}
void AVIDecoder::AVIAudioTrack::resetStream() {
delete _audioStream;
createAudioStream();
_curChunk = 0;
}
