client_audio_pipeline_t Struct Reference

Client audio pipeline state. More...

#include <lib/audio/client_audio_pipeline.h>

Data Fields
client_audio_pipeline_flags_t	flags
void *	echo_canceller
SpeexPreprocessState *	preprocess
JitterBuffer *	jitter
uint32_t	jitter_timestamp
int	jitter_frame_span
OpusEncoder *	encoder
OpusDecoder *	decoder
compressor_t	compressor
noise_gate_t	noise_gate
noise_gate_t	playback_noise_gate
highpass_filter_t	highpass
lowpass_filter_t	lowpass
client_audio_pipeline_config_t	config
int	frame_size
int16_t *	work_i16
int16_t *	echo_i16
float *	work_float
bool	initialized
int	capture_fadein_remaining
void *	debug_wav_aec3_in
void *	debug_wav_aec3_out
void *	aec3_render_buffer
void *	aec3_capture_buffer

Detailed Description

Client audio pipeline state.

Owns all audio processing components and buffers. Created with client_audio_pipeline_create(), destroyed with _destroy().

Definition at line 229 of file client_audio_pipeline.h.

Field Documentation

aec3_capture_buffer

void* client_audio_pipeline_t::aec3_capture_buffer

Definition at line 291 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_destroy(), and client_audio_pipeline_process_duplex().

aec3_render_buffer

void* client_audio_pipeline_t::aec3_render_buffer

Persistent AudioBuffer instances for AEC3 (opaque C++ objects) CRITICAL: AudioBuffer has internal filterbank state that must persist across frames. Creating new buffers each frame causes discontinuities (static/buzzing).

Definition at line 290 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_destroy(), and client_audio_pipeline_process_duplex().

capture_fadein_remaining

int client_audio_pipeline_t::capture_fadein_remaining

Startup fade-in to prevent initial click (samples remaining)

Definition at line 280 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), and client_audio_pipeline_process_duplex().

compressor

compressor_t client_audio_pipeline_t::compressor

Dynamic range compressor

Definition at line 251 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), and client_audio_pipeline_process_duplex().

config

client_audio_pipeline_config_t client_audio_pipeline_t::config

Configuration

Definition at line 262 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_jitter_margin(), and client_audio_pipeline_process_duplex().

debug_wav_aec3_in

void* client_audio_pipeline_t::debug_wav_aec3_in

Debug WAV writers for AEC3 analysis

Definition at line 283 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_destroy(), and client_audio_pipeline_process_duplex().

debug_wav_aec3_out

void* client_audio_pipeline_t::debug_wav_aec3_out

Definition at line 284 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_destroy(), and client_audio_pipeline_process_duplex().

decoder

OpusDecoder* client_audio_pipeline_t::decoder

Opus decoder

Definition at line 248 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_destroy(), and client_audio_pipeline_playback().

echo_canceller

void* client_audio_pipeline_t::echo_canceller

WebRTC AEC3 echo cancellation (opaque pointer to webrtc::EchoCanceller3)

Definition at line 234 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_destroy(), and client_audio_pipeline_process_duplex().

echo_i16

int16_t* client_audio_pipeline_t::echo_i16

Work buffer for echo reference

Definition at line 270 of file client_audio_pipeline.h.

encoder

OpusEncoder* client_audio_pipeline_t::encoder

Opus encoder

Definition at line 246 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_capture(), client_audio_pipeline_create(), and client_audio_pipeline_destroy().

flags

client_audio_pipeline_flags_t client_audio_pipeline_t::flags

Component enable flags

Definition at line 231 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), client_audio_pipeline_get_flags(), client_audio_pipeline_process_duplex(), and client_audio_pipeline_set_flags().

frame_size

int client_audio_pipeline_t::frame_size

Frame size in samples

Definition at line 265 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_capture(), and client_audio_pipeline_create().

highpass

highpass_filter_t client_audio_pipeline_t::highpass

High-pass filter

Definition at line 257 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), and client_audio_pipeline_process_duplex().

initialized

bool client_audio_pipeline_t::initialized

Initialization state

Definition at line 277 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create().

jitter

JitterBuffer* client_audio_pipeline_t::jitter

Speex jitter buffer for playback path

Definition at line 239 of file client_audio_pipeline.h.

jitter_frame_span

int client_audio_pipeline_t::jitter_frame_span

Frame span in timestamp units

Definition at line 243 of file client_audio_pipeline.h.

jitter_timestamp

uint32_t client_audio_pipeline_t::jitter_timestamp

Jitter buffer timestamp counter

Definition at line 241 of file client_audio_pipeline.h.

lowpass

lowpass_filter_t client_audio_pipeline_t::lowpass

Low-pass filter

Definition at line 259 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), and client_audio_pipeline_process_duplex().

noise_gate

noise_gate_t client_audio_pipeline_t::noise_gate

Noise gate for capture

Definition at line 253 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), and client_audio_pipeline_process_duplex().

playback_noise_gate

noise_gate_t client_audio_pipeline_t::playback_noise_gate

Noise gate for playback - cuts quiet received audio

Definition at line 255 of file client_audio_pipeline.h.

Referenced by client_audio_pipeline_create(), and client_audio_pipeline_playback().

preprocess

SpeexPreprocessState* client_audio_pipeline_t::preprocess

Speex preprocessor state (noise/AGC/VAD)

Definition at line 236 of file client_audio_pipeline.h.

work_float

float* client_audio_pipeline_t::work_float

Work buffer for float processing

Definition at line 272 of file client_audio_pipeline.h.

work_i16

int16_t* client_audio_pipeline_t::work_i16

Work buffer for int16 conversion (Speex uses int16)

Definition at line 268 of file client_audio_pipeline.h.

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The documentation for this struct was generated from the following file:

• client_audio_pipeline.h