#include <stdio.h>#include <stdlib.h>#include <fcntl.h>#include <stdarg.h>#include <string.h>#include <errno.h>#include <unistd.h>#include <aos/list.h>#include <aos/kernel.h>#include <sys/ioctl.h>#include "audio_drv.h"结构体 | |
| struct | aos_pcm_hw_params_t |
| struct | aos_pcm_sw_params_t |
| struct | aos_pcm_t |
| struct | hint_list_t |
宏定义 | |
| #define | AOS_PCM_BLOCK 0x00000000 |
| #define | AOS_PCM_NONBLOCK 0x00000001 |
| #define | AOS_PCM_ASYNC 0x00000002 |
| #define | AOS_PCM_ABORT 0x00008000 |
| #define | AOS_PCM_NO_AUTO_RESAMPLE 0x00010000 |
| #define | AOS_PCM_NO_AUTO_CHANNELS 0x00020000 |
| #define | AOS_PCM_NO_AUTO_FORMAT 0x00040000 |
| #define | AOS_PCM_NO_SOFTVOL 0x00080000 |
| #define | AOS_PCM_EVT_WRITE (1 << 0) |
| #define | AOS_PCM_EVT_READ (1 << 1) |
| #define | AOS_PCM_EVT_XRUN (1 << 2) |
类型定义 | |
| typedef unsigned long | aos_pcm_uframes_t |
| typedef signed long | aos_pcm_sframes_t |
枚举 | |
| enum | aos_pcm_stream_t { AOS_PCM_STREAM_PLAYBACK = 0 , AOS_PCM_STREAM_CAPTURE , AOS_PCM_STREAM_LAST = AOS_PCM_STREAM_CAPTURE } |
| enum | aos_pcm_state_t { AOS_PCM_STATE_IDLE = 0 , AOS_PCM_STATE_OPEN , AOS_PCM_STATE_PREPARED , AOS_PCM_STATE_RUNNING , AOS_PCM_STATE_XRUN , AOS_PCM_STATE_DRAINING , AOS_PCM_STATE_PAUSED , AOS_PCM_STATE_SUSPENDED , AOS_PCM_STATE_DISCONNECTED , AOS_PCM_STATE_LAST = AOS_PCM_STATE_DISCONNECTED , AOS_PCM_STATE_PRIVATE1 = 1024 } |
| enum | aos_pcm_format_t { AOSRV_PCM_FORMAT_S8 = 1 , AOSRV_PCM_FORMAT_S16_LE = 2 , AOSRV_PCM_FORMAT_S24_LE = 3 , AOSRV_PCM_FORMAT_S32_LE = 4 , AOSRV_PCM_FORMAT_ALL } |
| enum | aos_pcm_access_t { AOS_PCM_ACCESS_MMAP_INTERLEAVED = 0 , AOS_PCM_ACCESS_MMAP_NONINTERLEAVED , AOS_PCM_ACCESS_RW_INTERLEAVED , AOS_PCM_ACCESS_RW_NONINTERLEAVED } |