| | |
| | | |
| | | using namespace std; |
| | | |
| | | namespace funasr { |
| | | // see http://soundfile.sapp.org/doc/WaveFormat/ |
| | | // Note: We assume little endian here |
| | | struct WaveHeader { |
| | |
| | | LOG(ERROR) << "Failed to read " << filename; |
| | | return false; |
| | | } |
| | | |
| | | if (!header.Validate()) { |
| | | return false; |
| | | } |
| | | |
| | | header.SeekToDataChunk(is); |
| | | if (!is) { |
| | | return false; |
| | | } |
| | | |
| | | if (!header.Validate()) { |
| | | return false; |
| | | } |
| | | |
| | | header.SeekToDataChunk(is); |
| | | if (!is) { |
| | | return false; |
| | | } |
| | | |
| | | *sampling_rate = header.sample_rate; |
| | | // header.subchunk2_size contains the number of bytes in the data. |
| | |
| | | FILE* fp; |
| | | fp = fopen(filename, "rb"); |
| | | if (fp == nullptr) |
| | | { |
| | | LOG(ERROR) << "Failed to read " << filename; |
| | | return false; |
| | | } |
| | | fseek(fp, 0, SEEK_END); |
| | | uint32_t n_file_len = ftell(fp); |
| | | fseek(fp, 0, SEEK_SET); |
| | |
| | | delete frame; |
| | | } |
| | | |
| | | void Audio::Split(Model* recog_obj) |
| | | void Audio::Split(OfflineStream* offline_stream) |
| | | { |
| | | AudioFrame *frame; |
| | | |
| | |
| | | frame = NULL; |
| | | |
| | | std::vector<float> pcm_data(speech_data, speech_data+sp_len); |
| | | vector<std::vector<int>> vad_segments = recog_obj->VadSeg(pcm_data); |
| | | vector<std::vector<int>> vad_segments = (offline_stream->vad_handle)->Infer(pcm_data); |
| | | int seg_sample = MODEL_SAMPLE_RATE/1000; |
| | | for(vector<int> segment:vad_segments) |
| | | { |
| | |
| | | frame = NULL; |
| | | } |
| | | } |
| | | |
| | | |
| | | void Audio::Split(VadModel* vad_obj, vector<std::vector<int>>& vad_segments) |
| | | { |
| | | AudioFrame *frame; |
| | | |
| | | frame = frame_queue.front(); |
| | | frame_queue.pop(); |
| | | int sp_len = frame->GetLen(); |
| | | delete frame; |
| | | frame = NULL; |
| | | |
| | | std::vector<float> pcm_data(speech_data, speech_data+sp_len); |
| | | vad_segments = vad_obj->Infer(pcm_data); |
| | | } |
| | | |
| | | } // namespace funasr |