Configuration descriptor for a hardware audio device node. More...
#include <audio_device.h>
Collaboration diagram for ove_audio_device_cfg:
Data Fields | ||
| enum ove_audio_transport | transport | |
| Hardware transport selection. | ||
| struct ove_audio_fmt | fmt | |
| Desired audio stream format. | ||
| unsigned int | num_buffers | |
| DMA buffer count; 0 = backend default. | ||
| unsigned int | thread_priority | |
| Driver thread priority; 0 = backend default. | ||
| unsigned int | thread_stack_size | |
| Driver thread stack size in bytes; 0 = backend default. | ||
| union { | ||
| struct { | ||
| unsigned int input_device | ||
| Input device selector (e.g. line-in, DMIC index). | ||
| unsigned int slot_mask | ||
| TDM slot bitmask; 0 = all slots. | ||
| } i2s | ||
| Parameters specific to I2S / TDM transport. | ||
| struct { | ||
| unsigned int decimation | ||
| PDM decimation factor. | ||
| unsigned int clock_freq | ||
| PDM clock frequency in Hz. | ||
| } pdm | ||
| Parameters specific to PDM microphone transport. | ||
| struct { | ||
| const char * device_name | ||
| SDL2 audio device name; NULL = system default. | ||
| } sdl2 | ||
| Parameters specific to SDL2 audio transport. | ||
| }; | ||
Detailed Description
Configuration descriptor for a hardware audio device node.
Passed to ove_audio_device_source() or ove_audio_device_sink() to describe the transport, stream format, and transport-specific parameters. Fields set to zero select the backend default.
The documentation for this struct was generated from the following file:
- include/ove/audio_device.h
