support ngram and fst hotword for 2pass-offline (#1205)

Yabin Li

2023-12-26 b8825902d93d5017e44828316062dc8306b7ddcd

 runtime/websocket/bin/funasr-wss-client-2pass.cpp

@@ -192,7 +192,10 @@
    funasr::Audio audio(1);
    int32_t sampling_rate = audio_fs;
    std::string wav_format = "pcm";
    if (funasr::IsTargetFile(wav_path.c_str(), "pcm")) {
    if (funasr::IsTargetFile(wav_path.c_str(), "wav")) {
      if (!audio.LoadWav(wav_path.c_str(), &sampling_rate, false)) 
        return;
    } else if (funasr::IsTargetFile(wav_path.c_str(), "pcm")) {
      if (!audio.LoadPcmwav(wav_path.c_str(), &sampling_rate, false)) return;
    } else {
      wav_format = "others";