func: static int decode_ics(AACContext * ac, SingleChannelElement * sce, GetBitContext * gb, int common_window, int scale_flag) {
  
      Pulse pulse;
  
      TemporalNoiseShaping * tns = &sce->tns;
  
      IndividualChannelStream * ics = &sce->ics;
  
      float * out = sce->coeffs;
  
      int global_gain, pulse_present = 0;
  
  
  
      /* This assignment is to silence a GCC warning about the variable being used
  
       * uninitialized when in fact it always is.
  
       */
  
      pulse.num_pulse = 0;
  
  
  
      global_gain = get_bits(gb, 8);
  
  
  
      if (!common_window && !scale_flag) {
  
          if (decode_ics_info(ac, ics, gb, 0) < 0)
  
              return -1;
  
      }
  
  
  
      if (decode_band_types(ac, sce->band_type, sce->band_type_run_end, gb, ics) < 0)
  
          return -1;
  
      if (decode_scalefactors(ac, sce->sf, gb, global_gain, ics, sce->band_type, sce->band_type_run_end) < 0)
  
          return -1;
  
  
  
      pulse_present = 0;
  
      if (!scale_flag) {
  
          if ((pulse_present = get_bits1(gb))) {
  
              if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
  
                  av_log(ac->avccontext, AV_LOG_ERROR, "Pulse tool not allowed in eight short sequence.\n");
  
                  return -1;
  
              }
  
              decode_pulses(&pulse, gb, ics->swb_offset);
  
          }
  
          if ((tns->present = get_bits1(gb)) && decode_tns(ac, tns, gb, ics))
  
              return -1;
  
          if (get_bits1(gb)) {
  
              av_log_missing_feature(ac->avccontext, "SSR", 1);
  
              return -1;
  
          }
  
      }
  
  
  
      if (decode_spectrum_and_dequant(ac, out, gb, sce->sf, pulse_present, &pulse, ics, sce->band_type) < 0)
  
          return -1;
  
      return 0;
  
  }
  