122     const AudioBuffer& audio,  in PackRenderAudioBuffer()  argument
124   RTC_DCHECK_GE(AudioBuffer::kMaxSplitFrameLength, audio.num_frames_per_band());  in PackRenderAudioBuffer()
128       mixed_16_kHz_render_data.data(), audio.num_frames_per_band());  in PackRenderAudioBuffer()
129   if (audio.num_channels() == 1) {  in PackRenderAudioBuffer()
130     FloatS16ToS16(audio.split_bands_const(0)[kBand0To8kHz],  in PackRenderAudioBuffer()
131                   audio.num_frames_per_band(), mixed_16_kHz_render_data.data());  in PackRenderAudioBuffer()
133     const int num_channels = static_cast<int>(audio.num_channels());  in PackRenderAudioBuffer()
134     for (size_t i = 0; i < audio.num_frames_per_band(); ++i) {  in PackRenderAudioBuffer()
137         sum += FloatS16ToS16(audio.split_channels_const(kBand0To8kHz)[ch][i]);  in PackRenderAudioBuffer()
146       (mixed_16_kHz_render.data() + audio.num_frames_per_band()));  in PackRenderAudioBuffer()
149 int GainControlImpl::AnalyzeCaptureAudio(const AudioBuffer& audio) {  in AnalyzeCaptureAudio()  argument
151   RTC_DCHECK_GE(AudioBuffer::kMaxSplitFrameLength, audio.num_frames_per_band());  in AnalyzeCaptureAudio()
152   RTC_DCHECK_EQ(audio.num_channels(), *num_proc_channels_);  in AnalyzeCaptureAudio()
164       audio.ExportSplitChannelData(ch, split_bands);  in AnalyzeCaptureAudio()
168                            audio.num_bands(), audio.num_frames_per_band());  in AnalyzeCaptureAudio()
178       audio.ExportSplitChannelData(ch, split_bands);  in AnalyzeCaptureAudio()
182                                audio.num_bands(), audio.num_frames_per_band(),  in AnalyzeCaptureAudio()
196 int GainControlImpl::ProcessCaptureAudio(AudioBuffer* audio,  in ProcessCaptureAudio()  argument
204                 audio->num_frames_per_band());  in ProcessCaptureAudio()
205   RTC_DCHECK_EQ(audio->num_channels(), *num_proc_channels_);  in ProcessCaptureAudio()
214     audio->ExportSplitChannelData(ch, split_bands);  in ProcessCaptureAudio()
221         mono_agcs_[ch]->state, split_bands, audio->num_bands(),  in ProcessCaptureAudio()
222         audio->num_frames_per_band(), capture_levels_[ch], &new_capture_level,  in ProcessCaptureAudio()
245       audio->ExportSplitChannelData(ch, split_bands);  in ProcessCaptureAudio()
249           audio->num_bands(), split_bands);  in ProcessCaptureAudio()
252       audio->ImportSplitChannelData(ch, split_bands);  in ProcessCaptureAudio()
256       ApplyDigitalGain(mono_agcs_[index_to_apply]->gains, audio->num_bands(),  in ProcessCaptureAudio()
257                        audio->split_bands(ch));  in ProcessCaptureAudio()