limits.h File Reference

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Macros
#define	AUDIO_SAMPLE_RATE   48000
#define	AUDIO_CHANNELS   2
#define	AUDIO_DEVICE_MAX_CHANNELS   64
#define	AUDIO_CAPTURE_FRAME_MS   10
#define	AUDIO_FRAMES_PER_BUFFER   (AUDIO_SAMPLE_RATE * AUDIO_CAPTURE_FRAME_MS / 1000)
#define	AUDIO_BUFFER_SIZE   (AUDIO_FRAMES_PER_BUFFER * AUDIO_CHANNELS)
#define	CLIENT_AUDIO_PIPELINE_FRAME_MS   20
#define	OPUS_FRAME_SAMPLES   (AUDIO_SAMPLE_RATE * CLIENT_AUDIO_PIPELINE_FRAME_MS / 1000)
#define	CLIENT_AUDIO_PIPELINE_ECHO_REF_SIZE   (AUDIO_SAMPLE_RATE / 2)
#define	CLIENT_AUDIO_PIPELINE_MAX_OPUS_PACKET   4000
#define	AUDIO_OPUS_SESSION_PACKET_CAPACITY   1000
#define	AUDIO_OPUS_SERVER_PACKET_CAPACITY   1024
#define	AUDIO_OPUS_MAX_DECODE_MS   120
#define	AUDIO_OPUS_MAX_DECODE_SAMPLES   (AUDIO_SAMPLE_RATE * AUDIO_OPUS_MAX_DECODE_MS / 1000)

Macro Definition Documentation

AUDIO_BUFFER_SIZE

#define AUDIO_BUFFER_SIZE   (AUDIO_FRAMES_PER_BUFFER * AUDIO_CHANNELS)

Definition at line 11 of file audio/limits.h.

Referenced by session_audio_create().

AUDIO_CAPTURE_FRAME_MS

#define AUDIO_CAPTURE_FRAME_MS   10

Capture uses 10-ms blocks for WebRTC AEC3.

Definition at line 9 of file audio/limits.h.

AUDIO_CHANNELS

#define AUDIO_CHANNELS   2

Definition at line 5 of file audio/limits.h.

Referenced by audio_client_init(), audio_connection_init(), audio_init(), audio_process_received_samples(), audio_start_duplex(), client_audio_pipeline_capture(), client_audio_pipeline_config_for_source(), client_audio_pipeline_create(), client_audio_pipeline_default_config(), client_audio_render_thread(), handle_audio_batch_packet(), handle_audio_opus_batch_packet(), handle_audio_opus_packet(), handle_audio_packet(), handle_stream_start_packet(), opus_codec_create_decoder(), opus_codec_create_encoder(), session_audio_add_source(), session_host_add_client(), session_host_add_memory_participant(), session_host_inject_audio(), session_host_receive_packet(), and session_host_render_audio().

AUDIO_DEVICE_MAX_CHANNELS

#define AUDIO_DEVICE_MAX_CHANNELS   64

Maximum channels exposed by a native audio device.

Definition at line 7 of file audio/limits.h.

Referenced by audio_route_capture().

AUDIO_FRAMES_PER_BUFFER

#define AUDIO_FRAMES_PER_BUFFER   (AUDIO_SAMPLE_RATE * AUDIO_CAPTURE_FRAME_MS / 1000)

Definition at line 10 of file audio/limits.h.

Referenced by audio_start_duplex().

AUDIO_OPUS_MAX_DECODE_MS

#define AUDIO_OPUS_MAX_DECODE_MS   120

Decoder storage permits packets representing up to 120 ms per channel at the configured rate.

Definition at line 23 of file audio/limits.h.

AUDIO_OPUS_MAX_DECODE_SAMPLES

#define AUDIO_OPUS_MAX_DECODE_SAMPLES   (AUDIO_SAMPLE_RATE * AUDIO_OPUS_MAX_DECODE_MS / 1000)

Definition at line 24 of file audio/limits.h.

Referenced by audio_process_received_samples(), client_audio_pipeline_capture(), handle_audio_opus_batch_packet(), and handle_audio_opus_packet().

AUDIO_OPUS_SERVER_PACKET_CAPACITY

#define AUDIO_OPUS_SERVER_PACKET_CAPACITY   1024

Definition at line 21 of file audio/limits.h.

Referenced by client_audio_render_thread().

AUDIO_OPUS_SESSION_PACKET_CAPACITY

#define AUDIO_OPUS_SESSION_PACKET_CAPACITY   1000

Definition at line 20 of file audio/limits.h.

Referenced by session_host_render_audio().

AUDIO_SAMPLE_RATE

#define AUDIO_SAMPLE_RATE   48000

Audio rate and channel configuration shared by capture, mixing, and codecs.

Definition at line 4 of file audio/limits.h.

Referenced by acip_send_audio_batch(), acip_send_audio_opus(), audio_client_init(), audio_process_received_samples(), audio_ring_buffer_read(), audio_start_duplex(), client_audio_pipeline_default_config(), client_audio_render_thread(), handle_audio_batch_packet(), handle_stream_start_packet(), session_host_receive_packet(), session_host_render_audio(), and session_participant_start_audio().

CLIENT_AUDIO_PIPELINE_ECHO_REF_SIZE

#define CLIENT_AUDIO_PIPELINE_ECHO_REF_SIZE   (AUDIO_SAMPLE_RATE / 2)

Echo-reference storage holds half a second at the configured rate.

Definition at line 17 of file audio/limits.h.

CLIENT_AUDIO_PIPELINE_FRAME_MS

#define CLIENT_AUDIO_PIPELINE_FRAME_MS   20

Opus capture and mixing use 20-ms frames; sample counts below are per channel.

Definition at line 14 of file audio/limits.h.

Referenced by acip_send_audio_opus(), client_audio_pipeline_default_config(), client_audio_render_thread(), and session_host_render_audio().

CLIENT_AUDIO_PIPELINE_MAX_OPUS_PACKET

#define CLIENT_AUDIO_PIPELINE_MAX_OPUS_PACKET   4000

Existing encoder byte budgets; these are not codec-wide packet maxima.

Definition at line 19 of file audio/limits.h.

OPUS_FRAME_SAMPLES

#define OPUS_FRAME_SAMPLES   (AUDIO_SAMPLE_RATE * CLIENT_AUDIO_PIPELINE_FRAME_MS / 1000)

Definition at line 15 of file audio/limits.h.

Referenced by acip_send_audio_batch(), audio_init(), audio_ring_buffer_read(), audio_ring_buffer_set_jitter_target(), client_audio_render_thread(), session_host_add_client(), session_host_add_memory_participant(), session_host_receive_packet(), and session_host_render_audio().