C++ (Cpp) OPUS_GET_PITCHの例

コード例 #1

ファイル: opus_decoder.c プロジェクト: biddyweb/azfone-ios

int opus_decoder_ctl(OpusDecoder *st, int request, ...)
{
    int ret = OPUS_OK;
    va_list ap;
    void *silk_dec;
    CELTDecoder *celt_dec;

    silk_dec = (char*)st+st->silk_dec_offset;
    celt_dec = (CELTDecoder*)((char*)st+st->celt_dec_offset);


    va_start(ap, request);

    switch (request)
    {
    case OPUS_GET_BANDWIDTH_REQUEST:
    {
        opus_int32 *value = va_arg(ap, opus_int32*);
        if (!value)
        {
            goto bad_arg;
        }
        *value = st->bandwidth;
    }
    break;
    case OPUS_GET_FINAL_RANGE_REQUEST:
    {
        opus_uint32 *value = va_arg(ap, opus_uint32*);
        if (!value)
        {
            goto bad_arg;
        }
        *value = st->rangeFinal;
    }
    break;
    case OPUS_RESET_STATE:
    {
        OPUS_CLEAR((char*)&st->OPUS_DECODER_RESET_START,
                   sizeof(OpusDecoder)-
                   ((char*)&st->OPUS_DECODER_RESET_START - (char*)st));

        celt_decoder_ctl(celt_dec, OPUS_RESET_STATE);
        silk_InitDecoder( silk_dec );
        st->stream_channels = st->channels;
        st->frame_size = st->Fs/400;
    }
    break;
    case OPUS_GET_SAMPLE_RATE_REQUEST:
    {
        opus_int32 *value = va_arg(ap, opus_int32*);
        if (!value)
        {
            goto bad_arg;
        }
        *value = st->Fs;
    }
    break;
    case OPUS_GET_PITCH_REQUEST:
    {
        opus_int32 *value = va_arg(ap, opus_int32*);
        if (!value)
        {
            goto bad_arg;
        }
        if (st->prev_mode == MODE_CELT_ONLY)
            celt_decoder_ctl(celt_dec, OPUS_GET_PITCH(value));
        else
            *value = st->DecControl.prevPitchLag;
    }
    break;
    case OPUS_GET_GAIN_REQUEST:
    {
        opus_int32 *value = va_arg(ap, opus_int32*);
        if (!value)
        {
            goto bad_arg;
        }
        *value = st->decode_gain;
    }
    break;
    case OPUS_SET_GAIN_REQUEST:
    {
        opus_int32 value = va_arg(ap, opus_int32);
        if (value<-32768 || value>32767)
        {
            goto bad_arg;
        }
        st->decode_gain = value;
    }
    break;
    case OPUS_GET_LAST_PACKET_DURATION_REQUEST:
    {
        opus_uint32 *value = va_arg(ap, opus_uint32*);
        if (!value)
        {
            goto bad_arg;
        }
        *value = st->last_packet_duration;
    }
    break;
    default:
        /*fprintf(stderr, "unknown opus_decoder_ctl() request: %d", request);*/
        ret = OPUS_UNIMPLEMENTED;
        break;
    }

    va_end(ap);
    return ret;
bad_arg:
    va_end(ap);
    return OPUS_BAD_ARG;
}

コード例 #2

ファイル: opus_decoder.c プロジェクト: FunkyVerb/devtools-window

int opus_decoder_ctl(OpusDecoder *st, int request, ...)
{
   int ret = OPUS_OK;
   va_list ap;
   void *silk_dec;
   CELTDecoder *celt_dec;

   silk_dec = (char*)st+st->silk_dec_offset;
   celt_dec = (CELTDecoder*)((char*)st+st->celt_dec_offset);


   va_start(ap, request);

   switch (request)
   {
   case OPUS_GET_BANDWIDTH_REQUEST:
   {
      opus_int32 *value = va_arg(ap, opus_int32*);
      *value = st->bandwidth;
   }
   break;
   case OPUS_GET_FINAL_RANGE_REQUEST:
   {
      opus_uint32 *value = va_arg(ap, opus_uint32*);
      *value = st->rangeFinal;
   }
   break;
   case OPUS_RESET_STATE:
   {
      OPUS_CLEAR((char*)&st->OPUS_DECODER_RESET_START,
            sizeof(OpusDecoder)-
            ((char*)&st->OPUS_DECODER_RESET_START - (char*)st));

      celt_decoder_ctl(celt_dec, OPUS_RESET_STATE);
      silk_InitDecoder( silk_dec );
      st->stream_channels = st->channels;
      st->frame_size = st->Fs/400;
   }
   break;
   case OPUS_GET_PITCH_REQUEST:
   {
      int *value = va_arg(ap, opus_int32*);
      if (value==NULL)
      {
         ret = OPUS_BAD_ARG;
         break;
      }
      if (st->prev_mode == MODE_CELT_ONLY)
         celt_decoder_ctl(celt_dec, OPUS_GET_PITCH(value));
      else
         *value = st->DecControl.prevPitchLag;
   }
   break;
   default:
      /*fprintf(stderr, "unknown opus_decoder_ctl() request: %d", request);*/
      ret = OPUS_UNIMPLEMENTED;
      break;
   }

   va_end(ap);
   return ret;
}