NTSTATUS
KeyboardFilterDevice::Read(KIrp I)
{
mCurrentStackLocation = I.NextStackLocation();
mNumOutstandingIrps++;
return PassThrough(I, TRUE, NULL);
}
// Called back on GraphDriver thread!
// Note this can be called back after ::Shutdown()
void
MediaEngineWebRTCMicrophoneSource::NotifyInputData(MediaStreamGraph* aGraph,
const AudioDataValue* aBuffer,
size_t aFrames,
TrackRate aRate,
uint32_t aChannels)
{
// If some processing is necessary, packetize and insert in the WebRTC.org
// code. Otherwise, directly insert the mic data in the MSG, bypassing all processing.
if (PassThrough()) {
InsertInGraph<AudioDataValue>(aBuffer, aFrames, aChannels);
} else {
PacketizeAndProcess(aGraph, aBuffer, aFrames, aRate, aChannels);
}
}
void
MediaEngineWebRTCMicrophoneSource::Process(int channel,
webrtc::ProcessingTypes type,
sample *audio10ms, size_t length,
int samplingFreq, bool isStereo)
{
MOZ_ASSERT(!PassThrough(), "This should be bypassed when in PassThrough mode.");
// On initial capture, throw away all far-end data except the most recent sample
// since it's already irrelevant and we want to keep avoid confusing the AEC far-end
// input code with "old" audio.
if (!mStarted) {
mStarted = true;
while (gFarendObserver->Size() > 1) {
free(gFarendObserver->Pop()); // only call if size() > 0
}
}
while (gFarendObserver->Size() > 0) {
FarEndAudioChunk *buffer = gFarendObserver->Pop(); // only call if size() > 0
if (buffer) {
int length = buffer->mSamples;
int res = mVoERender->ExternalPlayoutData(buffer->mData,
gFarendObserver->PlayoutFrequency(),
gFarendObserver->PlayoutChannels(),
mPlayoutDelay,
length);
free(buffer);
if (res == -1) {
return;
}
}
}
MonitorAutoLock lock(mMonitor);
if (mState != kStarted)
return;
MOZ_ASSERT(!isStereo);
InsertInGraph<int16_t>(audio10ms, length, 1);
return;
}
int main() {
int n = 100, i;
int *x = malloc(n * sizeof(int));
int *y = malloc(n * sizeof(int));
for (i = 0; i < n; i++ ) x[i] = i;
# pragma maxc func: PassThroughDF
PassThrough(x, y, n);
int failed = 0;
for (i = 0; i < n; i++) {
if (y[i] != i) {
printf("Expected y[%d] = %d, got %d!", i, i, y[i]);
failed = 1;
}
}
return failed;
}