blob: 45ce8733dbebc5eb473541e530022b0dac6bc6a0 [file] [log] [blame]
/**
* \file mbtk_audio_alsa.c
* \brief A Documented file.
*
* Detailed description
* \Author: js.wang <js.wang@mobiletek.cn>
* \Version: 1.0.0
* \Date: 2020-09-21
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include "audio_if_types.h"
#include "audio_if_ubus.h"
#include "audio_if_parameter.h"
#include "audio_if.h"
#include "audio_if_api.h"
#include <unistd.h>
#include <sys/stat.h>
#include "audio_if_audio_hw_mrvl.h"
#include "audio_hw_mrvl.h"
#include <cutils/str_parms.h>
#include "vcm.h"
#include "voice_control.h"
#include "mbtk_audio.h"
// #define DEBUG 1
#ifdef DEBUG
#define mbtk_audio_log(...) printf(__VA_ARGS__)
#else
#define mbtk_audio_log(...)
#endif
typedef int (*_play_callback)(int hdl, int result);
#define FAILURE -1
#define ID_RIFF 0x46464952
#define ID_WAVE 0x45564157
#define ID_FMT 0x20746d66
#define ID_DATA 0x61746164
#define FORMAT_PCM 1
typedef enum {
AUD_PLAYER_ERROR = -1,
AUD_PLAYER_START = 0,
AUD_PLAYER_PAUSE,
AUD_PLAYER_RESUME,
AUD_PLAYER_NODATA, //Buff no data and play tread will sleep
AUD_PLAYER_LESSDATA, //Buff has less data
AUD_PLAYER_FINISHED,
} Enum_AudPlayer_State;
struct mopen_audio_t
{
int device;
audio_hw_device_t *audio_ahw_dev_ubus;
struct audio_stream_in *stream_in;
struct audio_stream_out *stream_out;
int pcm_packet_size; //320:NB, 640:WB
int pipe_data;
int fd[2];
pthread_t pid;
mbtk_audio_state_enum state;
pthread_mutex_t _cond_mutex;
pthread_mutex_t _stream_mutex;
void *usrData;
};
struct record_cb_s
{
mbtk_audio_record_cb_func _cb;
void *cb_data;
};
static struct mopen_audio_t *internal_hdl = NULL;
static int dsp_rx_gain = 0xFF;
static int dsp_tx_gain = 0xFF;
int mbtk_wav_pcm16Le_check(int fd)
{
printf("MBTK_wav_pcm16Le_check()----------strart5, fd:%d\n", fd);
struct wav_header hdr;
if (fd <= 0)
return -1;
if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
{
printf("\n%s: cannot read header\n", __FUNCTION__);
return -1;
}
printf("hdr.riff_id:%X, hdr.riff_fmt:%X, hdr.fmt_id:%X", hdr.riff_id, hdr.riff_fmt, hdr.fmt_id);
if ((hdr.riff_id != ID_RIFF)
|| (hdr.riff_fmt != ID_WAVE)
|| (hdr.fmt_id != ID_FMT))
{
printf("\n%s: is not a riff/wave file\n", __FUNCTION__);
return -1;
}
if ((hdr.audio_format != FORMAT_PCM) || (hdr.fmt_sz != 16)) {
printf("\n%s: is not pcm format\n", __FUNCTION__);
return -1;
}
if (hdr.bits_per_sample != 16) {
printf("\n%s: is not 16bit per sample\n", __FUNCTION__);
return -1;
}
printf("audio_format: %d,num_channels: %d,sample_rate: %d,byte_rate: %d,bits_per_sample: %d data_sz: %d\n",
hdr.audio_format, hdr.num_channels, hdr.sample_rate, hdr.byte_rate, hdr.bits_per_sample, hdr.data_sz);
return hdr.data_sz;
}
static void simulateOffhook(struct mopen_audio_t *aud_hdl, unsigned int onoff)
{
unsigned int pcm_on;
unsigned int DTMFDetectiononoff;
unsigned int dialToneToOthersTones;
unsigned int dialTonesToOthersDialTones;
unsigned int dialVadDuration;
pcm_on = onoff;
//send the command of "AUDIOSTUB_PCMCTL"
aud_hdl->audio_ahw_dev_ubus->switch_pcm(aud_hdl->audio_ahw_dev_ubus, pcm_on);
DTMFDetectiononoff = onoff;
dialToneToOthersTones = 50;
dialTonesToOthersDialTones = 4;
dialVadDuration = 3;
//send the command of "AUDIOSTUB_DTMFDETECTIONCTL"
//vcm_DTMFDetection(1, 50, 4, 3);
vcm_DTMFDetection(DTMFDetectiononoff, dialToneToOthersTones, dialTonesToOthersDialTones, dialVadDuration);
return;
}
static int config_parameters(int in_out, int NBWB)
{
unsigned int direction = 0xFF, type, srcdst, priority, dest;
char kvpair[128];
struct str_parms *param = NULL;
int data[5];
const char *key = NULL;
bool update_vcm = false;
direction = in_out;/* 0-play, 1-record */
type = NBWB; /* 0:PCM_NB_BUF_SIZE, 1:PCM_WB_BUF_SIZE */
srcdst = 1;/* 0-None, 1-Near end, 2-Far end, 3-Both ends */
priority = 1;/* 0-Do not combine(override), 1-Combine */
dest = 1;/* 0-Near codec, 1-Near Vocoder */
memset(kvpair, 0x00, sizeof(kvpair));
sprintf(kvpair, "%s=%d;%s=%d;%s=%d;%s=%d;%s=%d", VCM_CONFIG_DIRECTION, direction,
VCM_CONFIG_TYPE, type, VCM_CONFIG_SRC_DST, srcdst,
VCM_CONFIG_PRIORITY, priority, VCM_CONFIG_DEST, dest);
mbtk_audio_log("%s: config information kvpair is %s.\n", __FUNCTION__, kvpair);
//extract the parameter and config from string
param = str_parms_create_str(kvpair);
if (!param) {
printf("%s: param create str is null!", __FUNCTION__);
return -1;
}
//set vcm configurations
key = VCM_CONFIG_DIRECTION;
if (str_parms_get_int(param, key, &data[0]) == 0) {
update_vcm = true;
str_parms_del(param, key);
}
key = VCM_CONFIG_TYPE;
if (str_parms_get_int(param, key, &data[1]) == 0) {
update_vcm = true;
str_parms_del(param, key);
}
key = VCM_CONFIG_SRC_DST;
if (str_parms_get_int(param, key, &data[2]) == 0) {
update_vcm = true;
str_parms_del(param, key);
}
key = VCM_CONFIG_PRIORITY;
if (str_parms_get_int(param, key, &data[3]) == 0) {
update_vcm = true;
str_parms_del(param, key);
}
key = VCM_CONFIG_DEST;
if (str_parms_get_int(param, key, &data[4]) == 0) {
update_vcm = true;
str_parms_del(param, key);
}
//printf("Direction is %d, Type is %d, Src_Dst is %d, Priority is %d, Dest is %d. \n",data[0], data[1], data[2], data[3], data[4]);
if (update_vcm) {
configure_vcm(data); /*TODO check if all inputs got all values successfully*/
}
return 0;
}
void mbtk_audio_set_status(void* hdl, mbtk_audio_state_enum _status)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)hdl;
if (NULL == hdl || NULL == internal_hdl)
return 0;
pthread_mutex_lock(&pcxt->_cond_mutex);
pcxt->state = _status;
pthread_mutex_unlock(&pcxt->_cond_mutex);
}
int mbtk_audio_get_status(void* hdl)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)hdl;
if (NULL == hdl || NULL == internal_hdl)
return 0;
return pcxt->state;
}
static void* mbtk_record_pthread(void* hdl)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)hdl;
struct record_cb_s *_usrData = (struct record_cb_s *)pcxt->usrData;
unsigned bufsize = 0;
char *data = NULL;
int len;
if (NULL == hdl)
return NULL;
bufsize = pcxt->pcm_packet_size;
data = calloc(1, bufsize);
if (!data) {
fprintf(stderr, "\n%s:could not allocate %d bytes\n", __FUNCTION__, bufsize);
return NULL;
}
mbtk_audio_set_status(hdl, AUDIO_RUNNING);
while (pcxt->state != AUDIO_STOP)
{
len = pcxt->stream_in->read(pcxt->stream_in, data, bufsize);
if (len < 0) {
printf("%s: error reading!\n", __FUNCTION__);
break;
}
if(dsp_tx_gain == 0xFF) {
if(!mbtk_dsp_gain_get(&dsp_rx_gain, &dsp_tx_gain)) {
vcm_config_dspgain(CONFIG_DSPGAIN_TX, dsp_tx_gain);
dsp_rx_gain = 0xFF;
}
}
if ((bufsize > 0) && (NULL != _usrData->_cb))
{
_usrData->_cb(2, data, bufsize);
}
}
pcxt->pid = 0;
if(pcxt->usrData)
{
free(pcxt->usrData);
pcxt->usrData = NULL;
}
free(data);
mbtk_audio_log("pcm pthread end-\n");
return NULL;
}
static void* mbtk_play_pthread(void* hdl)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)hdl;
_play_callback audio_play_cb = (_play_callback)pcxt->usrData;
unsigned bufsize = 0;
char *data = NULL;
int first_set = 0;
int ret = 0;
int rc;
pthread_detach(pthread_self());
if (NULL == hdl)
return NULL;
bufsize = pcxt->pcm_packet_size;
data = calloc(1, bufsize);
if (!data) {
fprintf(stderr, "\n%s:could not allocate %d bytes\n",__FUNCTION__,bufsize);
pthread_exit(NULL);
}
while (pcxt->state != AUDIO_STOP && 0 != pcxt->pipe_data)
{
ret = read(pcxt->fd[0], data, bufsize);
// printf("%s:read : %d bytes\n", __FUNCTION__, ret);
if(ret == 0) {
mbtk_audio_log("%s %d [%d]", __FUNCTION__, __LINE__, ret);
continue;
}
if(ret < 0) {
mbtk_audio_log("%s %d [%d]", __FUNCTION__, __LINE__, ret);
break;
}
if ((0 == first_set || AUDIO_RESUME == pcxt->state))
{
first_set = 1;
mbtk_audio_set_status(hdl, AUDIO_RUNNING);
audio_play_cb(pcxt, AUD_PLAYER_RESUME);
}
pthread_mutex_lock(&pcxt->_stream_mutex);
pcxt->pipe_data -= ret;
pthread_mutex_unlock(&pcxt->_stream_mutex);
if(pcxt->pipe_data < 0)
pcxt->pipe_data = 0;
if(ret < pcxt->pcm_packet_size)
printf("pcm %d - %d\n", pcxt->pipe_data, ret);
rc = pcxt->stream_out->write(pcxt->stream_out, data, bufsize);
if (rc < 0) {
printf("%s: error writing (child).\n", __FUNCTION__);
break;
} else if (rc < (signed int)pcxt->pcm_packet_size) {
printf("%s: wrote less than buffer size, rc=%d.\n", __FUNCTION__, rc);
break;
}
}
if (pcxt->fd[0] != 0 && pcxt->fd[1] != 0)
{
close(pcxt->fd[0]);
close(pcxt->fd[1]);
pcxt->fd[0] = 0;
pcxt->fd[1] = 0;
/* printf("close pcxt->fd!\n"); */
}
if (audio_play_cb)
audio_play_cb(pcxt, AUD_PLAYER_FINISHED);
pcxt->pid = 0;
// mbtk_audio_set_status(hdl, AUDIO_STOP);
mbtk_audio_set_status(hdl, AUDIO_OPEN);
free(data);
mbtk_audio_log("\n%s:exit!\n", __FUNCTION__);
pthread_exit(NULL);
return NULL;
}
static int audio_init_play_pthread(void* hdl)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)hdl;
_play_callback audio_play_cb = (_play_callback)pcxt->usrData;
int ret;
if (pcxt->fd[0] == 0 && pcxt->fd[1] == 0) {
if(pipe(pcxt->fd) == 0) {
pcxt->pipe_data = 0;
fcntl(pcxt->fd[0], F_SETFL, O_NONBLOCK);
fcntl(pcxt->fd[1], F_SETFL, O_NONBLOCK);
} else {
fprintf(stderr, "\n%d: create pipe error\n", __LINE__);
return -1;
}
}
if (pcxt->pid == 0) {
if (audio_play_cb)
audio_play_cb(pcxt, AUD_PLAYER_START);
mbtk_audio_set_status(pcxt, AUDIO_RUNNING);
ret = pthread_create(&pcxt->pid, NULL, mbtk_play_pthread, hdl);
if (ret != 0)
{
fprintf(stderr, "\n%s: Failed create pthread\n",__FUNCTION__);
return ret;
}
}
return 0;
}
int mbtk_audio_play_wait_end(void* hdl)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)hdl;
if (NULL == hdl)
{
fprintf(stderr, "\n%s: intput invalid params\n",__FUNCTION__);
return -1;
}
if(pcxt->pid != 0)
{
do{
usleep(10000);
}
while(pcxt->state != AUDIO_STOP);
pcxt->pid = 0;
}
return 0;
}
static int audio_open_pcm(void *dev_hdl, int num_channels, int rate, int in_out)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)dev_hdl;
int nb_wb;
//Support 8k/16k & mono wave file
if (((rate != 8000) && (rate != 16000))
|| (num_channels != 1) ) {
printf("%s: error wave file:rate = %d, num_channels = %d!! \n",
__FUNCTION__,rate, num_channels);
return -1;
}
printf("%s: success open, rate = %d, num_channels = %d.\n",
__FUNCTION__, rate, num_channels);
if ((8000 == rate) && (1 == num_channels)) {
nb_wb = 0;//NB
pcxt->pcm_packet_size = PCM_NB_BUF_SIZE;
} else if ((16000 == rate) && (1 == num_channels)) {
nb_wb = 1;//WB
pcxt->pcm_packet_size = PCM_WB_BUF_SIZE;
}
//config playback parameters.
config_parameters(in_out, nb_wb);
pcxt->device = in_out;
return 0;
}
mbtk_audio_handle mbtk_audio_open(mbtk_audio_dev_enum dev, int flag, int rate, void *usrData)
{
int value = 1;
struct mopen_audio_t *aud_hdl = NULL;
int ret;
// if (dev <= AUDIO_NULL || dev >= AUDIO_MAX)
// {
// printf("invaild PCM dev\n");
// return NULL;
// }
if(internal_hdl)
{
printf("Audio device inited\n");
return internal_hdl;
}
aud_hdl = (struct mopen_audio_t *) calloc(1, sizeof(struct mopen_audio_t));
if (!aud_hdl)
{
fprintf(stderr, "\n%s:Failed to allocate audio hdl!, errno=%d\n", __FUNCTION__, errno);
return NULL;
}
memset(aud_hdl, 0, sizeof(struct mopen_audio_t));
//init global variables
aud_hdl->audio_ahw_dev_ubus = audio_hal_install();
if (aud_hdl->audio_ahw_dev_ubus == NULL) {
printf("%s: audio_hal_install failed!\n", __FUNCTION__);
goto error;
}
if(1 == dev)
{
//send the command of "AUDIOSTUB_PCMCTL" and "AUDIOSTUB_DTMFDETECTIONCTL" to simulate telephone offhook.
// ASR Question #80497 Using it causes the recording to crash
// simulateOffhook(aud_hdl, 1);
//config playback parameters.
config_parameters(0, 0);
}
ret = audio_open_pcm(aud_hdl, flag, rate, dev);
if (ret)
{
printf("\n%s: pcm open error, errno=%d\n", __FUNCTION__, errno);
goto error;
}
if(1 == dev)
{
//open the audiostub_ctl, prepare for record and playback
VCMInit();
//open record stream
ret = aud_hdl->audio_ahw_dev_ubus->open_input_stream(aud_hdl->audio_ahw_dev_ubus, 0,
aud_hdl->audio_ahw_dev_ubus->get_supported_devices(aud_hdl->audio_ahw_dev_ubus),
NULL, &aud_hdl->stream_in, 0, 0, AUDIO_SOURCE_VOICE_CALL);
}
else
{
ret = aud_hdl->audio_ahw_dev_ubus->open_output_stream(aud_hdl->audio_ahw_dev_ubus, 0,
aud_hdl->audio_ahw_dev_ubus->get_supported_devices(aud_hdl->audio_ahw_dev_ubus),
AUDIO_OUTPUT_FLAG_DIRECT, NULL, &aud_hdl->stream_out, 0);
}
if (ret < 0) {
printf("%s: error opening output device. rc = %d\n", __FUNCTION__, ret);
goto error;
}
pthread_mutex_init(&aud_hdl->_cond_mutex, NULL);
pthread_mutex_init(&aud_hdl->_stream_mutex, NULL);
aud_hdl->usrData = usrData;
aud_hdl->state = AUDIO_OPEN;
/* printf("Mbtk_Audio_Open aud_hdl[%x][%x][%x]\n", aud_hdl, aud_hdl->_mixer_ctl, aud_hdl->_pcm); */
internal_hdl = aud_hdl;
return (void *)aud_hdl;
error:
value = 0;
free(aud_hdl);
return NULL;
}
int mbtk_audio_play_stream_old(void *dev_hdl, const void *pData, int len)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)dev_hdl;
if (NULL == pcxt || NULL == internal_hdl)
return -1;
if (len > 1024) {
printf("audio play stream max size ( < 1024): %d\n", len);
return -2;
}
if (pcxt->state == AUDIO_STOP) {
return 0;
}
audio_init_play_pthread(pcxt);
pthread_mutex_lock(&pcxt->_stream_mutex);
pcxt->pipe_data += len;
pthread_mutex_unlock(&pcxt->_stream_mutex);
while(pcxt->state != AUDIO_STOP && (pcxt->pipe_data > 40960 || pcxt->fd[1] < 0 || pcxt->fd[1] == 0)) {
// printf("%s:wait %d %d\n", __FUNCTION__, pcxt->pipe_data, pcxt->fd[1]);
usleep(50000);
}
if(pcxt->fd[1] > 0) {
if (len != write(pcxt->fd[1], pData, len)) {
fprintf(stderr, "\n%s: pcm_write failed [%d %d]\n", __FUNCTION__, pcxt->fd[1], errno);
return -errno;
}
}
return 0;
}
int mbtk_audio_play_stream(void *dev_hdl, const void *pData, int len)
{
// printf("%s,--len:%d\n", __func__, len);
unsigned bufsize = 0;
char *data = NULL;
int first_set = 0;
int res = 0;
int ret = 0;
int read_size = 0;
char *p = (char *)pData;
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)dev_hdl;
if (NULL == dev_hdl || NULL == internal_hdl || pData == NULL)
return -1;
if(AUDIO_RUNNING == pcxt->state)
return -2;
bufsize = pcxt->pcm_packet_size;
data = calloc(1, bufsize);
if (!data) {
fprintf(stderr, "\n%s:could not allocate %d bytes\n",__FUNCTION__,bufsize);
pthread_exit(NULL);
}
if(pcxt->state == AUDIO_OPEN)
{
mbtk_audio_set_status(dev_hdl, AUDIO_RUNNING);
}
// if(bufsize > len )
// {
// bufsize = len;
// }
while (pcxt->state != AUDIO_STOP)
{
memcpy(data,p+read_size, bufsize );
read_size += bufsize;
if(read_size > len)
{
// printf(">[%d]\n", read_size);
break;
}
while(AUDIO_PAUSE == pcxt->state)
{
usleep(80000);
}
if ((0 == first_set || AUDIO_RESUME == pcxt->state))
{
first_set = 1;
mbtk_audio_set_status(dev_hdl, AUDIO_RUNNING);
}
ret = pcxt->stream_out->write(pcxt->stream_out, data, bufsize);
if (ret < 0) {
printf("%s: error writing (child).\n", __FUNCTION__);
break;
} else if (ret < (signed int)pcxt->pcm_packet_size) {
printf("%s: wrote less than buffer size, rc=%d.\n", __FUNCTION__, ret);
break;
}
if(read_size == len)
{
// printf("=[%d]", read_size);
break;
}
}
if(pcxt->state != AUDIO_STOP)
{
mbtk_audio_set_status(dev_hdl, AUDIO_OPEN);
}
free(data);
return 0;
}
int mbtk_audio_play_file(void *dev_hdl, int file_fd, int offset)
{
unsigned bufsize = 0;
char *data = NULL;
int first_set = 0;
int file_data_sz = 0;
int res = 0;
int ret;
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)dev_hdl;
_play_callback audio_play_cb = (_play_callback)pcxt->usrData;
if (NULL == dev_hdl || NULL == internal_hdl)
return -1;
if(AUDIO_RUNNING == pcxt->state)
return -2;
// file_data_sz = mbtk_wav_pcm16Le_check(file_fd);
bufsize = pcxt->pcm_packet_size;
data = calloc(1, bufsize);
if (!data) {
fprintf(stderr, "\n%s:could not allocate %d bytes\n",__FUNCTION__,bufsize);
pthread_exit(NULL);
}
if(offset)
{
lseek(file_fd, offset, SEEK_SET);
}
mbtk_audio_set_status(dev_hdl, AUDIO_RUNNING);
int all_size = 0;
while (pcxt->state != AUDIO_STOP)
{
res = read(file_fd, data, bufsize);
// printf("%s:read : %d bytes\n", __FUNCTION__, res);
if(res == 0 || res < 0)
{
printf("read:[%d]", res);
break;
}
all_size += res;
// if (file_data_sz < all_size || file_data_sz == all_size) {
// printf("aplay size :%d - %d\n", file_data_sz, all_size);
// break;
// }
while(AUDIO_PAUSE == pcxt->state)
{
usleep(80000);
audio_play_cb(pcxt, AUD_PLAYER_PAUSE);
}
if ((0 == first_set || AUDIO_RESUME == pcxt->state))
{
first_set = 1;
mbtk_audio_set_status(dev_hdl, AUDIO_RUNNING);
audio_play_cb(pcxt, AUD_PLAYER_RESUME);
}
ret = pcxt->stream_out->write(pcxt->stream_out, data, bufsize);
if (ret < 0) {
printf("%s: error writing (child).\n", __FUNCTION__);
audio_play_cb(pcxt, AUD_PLAYER_ERROR);
break;
} else if (ret < (signed int)pcxt->pcm_packet_size) {
printf("%s: wrote less than buffer size, rc=%d.\n", __FUNCTION__, ret);
audio_play_cb(pcxt, AUD_PLAYER_LESSDATA);
break;
}
if(dsp_rx_gain == 0xFF) {
if(!mbtk_dsp_gain_get(&dsp_rx_gain, &dsp_tx_gain)) {
vcm_config_dspgain(CONFIG_DSPGAIN_RX, dsp_rx_gain);
dsp_tx_gain = 0xFF;
}
}
}
if (audio_play_cb)
audio_play_cb(pcxt, AUD_PLAYER_FINISHED);
printf("file_data_sz :%d - all_size: %d\n", file_data_sz, all_size);
mbtk_audio_set_status(dev_hdl, AUDIO_OPEN);
free(data);
return 0;
}
int mbtk_audio_record(void *dev_hdl, mbtk_audio_record_cb_func cb_func, void *cb_data)
{
struct mopen_audio_t *pcxt = (struct mopen_audio_t *)dev_hdl;
int res = -1;
struct record_cb_s *_usrData = NULL;
if (NULL == pcxt || NULL == internal_hdl || NULL == cb_func)
return -1;
if(AUDIO_RUNNING == pcxt->state)
return -2;
_usrData = malloc(sizeof(struct record_cb_s));
_usrData->_cb = cb_func;
_usrData->cb_data = cb_data;
pcxt->usrData = (void *)_usrData;
res = pthread_create(&pcxt->pid, NULL, mbtk_record_pthread, dev_hdl);
if (res != 0)
{
if(pcxt->usrData)
{
free(pcxt->usrData);
pcxt->usrData = NULL;
}
fprintf(stderr, "\n%s: Failed to create pthread\n", __FUNCTION__);
}
// 防止重复录音
usleep(500);
return res;
}
int mbtk_audio_close(void *dev_hdl)
{
printf("mbtk_audio_close()\n");
int value = 0;
struct mopen_audio_t *_hdl = (struct mopen_audio_t *)dev_hdl;
if (NULL == _hdl || NULL == internal_hdl )
{
printf("mbtk_audio_close() fail dev_hdl is NULL\n");
return -1;
}
mbtk_audio_set_status(_hdl, AUDIO_STOP);
if(0 == _hdl->device) {
while (_hdl->pid != 0) {
usleep(10000);
}
vcm_playback_drain(0);//wait for drain the AP audiostub queue.
usleep(80000);//delay 80ms until DSP play out its buffered data.
_hdl->stream_out->common.standby(&_hdl->stream_out->common);
_hdl->audio_ahw_dev_ubus->close_output_stream(_hdl->audio_ahw_dev_ubus, _hdl->stream_out);
} else {
while (_hdl->pid != 0) {
sleep(1);
}
_hdl->stream_in->common.standby(&_hdl->stream_in->common);
_hdl->audio_ahw_dev_ubus->close_input_stream(_hdl->audio_ahw_dev_ubus, _hdl->stream_in);
VCMDeinit();//close the fd of audiostub_ctl when exit the thread.
}
audio_hal_uninstall();
pthread_mutex_destroy(&_hdl->_cond_mutex);
pthread_mutex_destroy(&_hdl->_stream_mutex);
free(_hdl);
_hdl = NULL;
internal_hdl = NULL;
return 0;
}
int mbtk_audio_pause(void* dev_hdl)
{
// struct pcm *_pcm = ((struct mopen_audio_t *)dev_hdl)->_pcm;
if (NULL == dev_hdl || NULL == internal_hdl)
return -1;
if (((struct mopen_audio_t *)dev_hdl)->state != AUDIO_RUNNING)
{
return -1;
}
// if (ioctl(_pcm->fd, SNDRV_PCM_IOCTL_PAUSE, 1))
// {
// printf("\n%s: cannot pause channel: errno =%d\n",__FUNCTION__,-errno);
// return -errno;
// }
mbtk_audio_set_status(dev_hdl, AUDIO_PAUSE);
return 0;
}
int mbtk_audio_resume(void* dev_hdl)
{
if (NULL == dev_hdl || NULL == internal_hdl)
return -1;
if (((struct mopen_audio_t *)dev_hdl)->state != AUDIO_PAUSE)
{
return -1;
}
// if (ioctl(_pcm->fd, SNDRV_PCM_IOCTL_PAUSE, 0))
// {
// printf("\n%s: cannot Resume channel: errno =%d\n", __FUNCTION__, -errno);
// return -errno;
// }
mbtk_audio_set_status(dev_hdl, AUDIO_RESUME);
return 0;
}
int mbtk_audio_stop(void* dev_hdl)
{
struct mopen_audio_t *_hdl = (struct mopen_audio_t *)dev_hdl;
if (NULL == dev_hdl || NULL == internal_hdl)
return -1;
// if (ioctl(_hdl->_pcm->fd, SNDRV_PCM_IOCTL_DROP))
// {
// printf("\n%s: cannot Resume channel: errno =%d\n",__FUNCTION__,-errno);
// return -errno;
// }
mbtk_audio_set_status(dev_hdl, AUDIO_STOP);
_hdl->pid = 0;
return 0;
}
mbtk_audio_state_enum mbtk_audio_state_get(void *hdl)
{
return ((struct mopen_audio_t *)hdl)->state;
}