void RobotDecoder::open(const GuiResourceId robotId, const reg_t plane, const int16 priority, const int16 x, const int16 y, const int16 scale) {
if (_status != kRobotStatusUninitialized) {
close();
}
initStream(robotId);
_version = _stream->readUint16();
// TODO: Version 4 for PQ:SWAT demo?
if (_version < 5 || _version > 6) {
error("Unsupported version %d of Robot resource", _version);
}
debugC(kDebugLevelVideo, "Opening version %d robot %d", _version, robotId);
initPlayback();
_audioBlockSize = _stream->readUint16();
_primerZeroCompressFlag = _stream->readSint16();
_stream->seek(2, SEEK_CUR); // unused
_numFramesTotal = _stream->readUint16();
const uint16 paletteSize = _stream->readUint16();
_primerReservedSize = _stream->readUint16();
_xResolution = _stream->readSint16();
_yResolution = _stream->readSint16();
const bool hasPalette = (bool)_stream->readByte();
_hasAudio = (bool)_stream->readByte();
_stream->seek(2, SEEK_CUR); // unused
_frameRate = _normalFrameRate = _stream->readSint16();
_isHiRes = (bool)_stream->readSint16();
_maxSkippablePackets = _stream->readSint16();
_maxCelsPerFrame = _stream->readSint16();
// used for memory preallocation of fixed cels
_maxCelArea.push_back(_stream->readSint32());
_maxCelArea.push_back(_stream->readSint32());
_maxCelArea.push_back(_stream->readSint32());
_maxCelArea.push_back(_stream->readSint32());
_stream->seek(8, SEEK_CUR); // reserved
if (_hasAudio) {
initAudio();
} else {
_stream->seek(_primerReservedSize, SEEK_CUR);
}
_priority = priority;
initVideo(x, y, scale, plane, hasPalette, paletteSize);
initRecordAndCuePositions();
}
/**
* Initialize the OpenSL inputs and outputs for this stream.
*/
HowieError StreamImpl::init(SLEngineItf engineItf,
SLObjectItf outputMixObject,
const HowieStreamCreationParams &creationParams_) {
HOWIE_TRACE_FN(HOWIE_TRACE_LEVEL_CALLS)
SLresult result;
// Compute the buffer quantum
bufferQuantum_ = deviceCharacteristics.framesPerPeriod
* deviceCharacteristics.bytesPerSample
* deviceCharacteristics.samplesPerFrame;
// configure the audio source (supply data through a buffer queue in PCM format)
SLDataFormat_PCM format_pcm;
// source format
format_pcm.formatType = SL_DATAFORMAT_PCM;
format_pcm.numChannels = deviceCharacteristics.channelCount;
format_pcm.samplesPerSec = (SLuint32) deviceCharacteristics.sampleRate *
1000;
format_pcm.bitsPerSample = deviceCharacteristics.bitsPerSample;
format_pcm.containerSize = deviceCharacteristics.bitsPerSample
* deviceCharacteristics.samplesPerFrame;
format_pcm.channelMask = (format_pcm.numChannels == 1) ?
SL_SPEAKER_FRONT_CENTER :
SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
format_pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
if (direction_ & HOWIE_STREAM_DIRECTION_RECORD) {
HOWIE_CHECK(initRecording(engineItf, format_pcm));
}
if (direction_ & HOWIE_STREAM_DIRECTION_PLAYBACK) {
HOWIE_CHECK(initPlayback(engineItf,
outputMixObject,
format_pcm));
}
if (creationParams_.initialState == HOWIE_STREAM_STATE_PLAYING) {
run();
}
}
