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Check NumFramesDecoded when using intermediate #25

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Check NumFramesDecoded when using intermediate #25

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5 changes: 5 additions & 0 deletions src/Nnet3LatgenFasterDecoder.cc
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Expand Up @@ -170,4 +170,9 @@ void Nnet3LatgenFasterDecoder::GetLattice(kaldi::CompactLattice *clat, bool end_
}
}


int32 Nnet3LatgenFasterDecoder::NumFramesDecoded() const {
return decoder_->NumFramesDecoded();
}

} /* namespace apiai */
1 change: 1 addition & 0 deletions src/Nnet3LatgenFasterDecoder.h
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Expand Up @@ -38,6 +38,7 @@ class Nnet3LatgenFasterDecoder: public OnlineDecoder {
virtual void InputFinished();
virtual void GetLattice(kaldi::CompactLattice *clat, bool end_of_utterance);
virtual void CleanUp();
virtual int32 NumFramesDecoded() const;
private:
std::string nnet3_rxfilename_;

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5 changes: 3 additions & 2 deletions src/OnlineDecoder.cc
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Expand Up @@ -173,7 +173,6 @@ void OnlineDecoder::Decode(Request &request, Response &response) {

int time_left_ms = decoding_timeout_ms;
while ((wave_part = request.NextChunk(samples_left, time_left_ms)) != NULL) {

samp_counter += wave_part->Dim();

if (AcceptWaveform(request.Frequency(), *wave_part, do_endpointing) == false && do_endpointing) {
Expand All @@ -192,7 +191,9 @@ void OnlineDecoder::Decode(Request &request, Response &response) {
samples_left = std::min(max_samples_limit - samp_counter, samples_per_chunk);
}

if ((intermediate_samples_interval > 0) && (samp_counter > (intermediate_samples_interval * intermediate_counter))) {
if ((intermediate_samples_interval > 0)
&& (samp_counter > (intermediate_samples_interval * intermediate_counter))
&& NumFramesDecoded() > 0) {
intermediate_counter++;
std::vector<DecodedData> decodeData;
if (DecodeIntermediate(1, &decodeData) > 0) {
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4 changes: 4 additions & 0 deletions src/OnlineDecoder.h
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Expand Up @@ -68,6 +68,10 @@ class OnlineDecoder : public Decoder {
* Calculate intermediate results
*/
virtual kaldi::int32 DecodeIntermediate(int bestCount, std::vector<DecodedData> *result);
/**
* Return the number of frames decoded thus far
*/
virtual int32 NumFramesDecoded() const = 0;

std::string word_syms_rxfilename_;
kaldi::BaseFloat chunk_length_secs_;
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