KT25-0812_82A-UART/cpu/br25/audio_mic/mic_stream.c

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2025-08-12 10:09:23 +00:00
#include "mic_stream.h"
#include "app_config.h"
#include "system/includes.h"
#include "audio_splicing.h"
#include "audio_config.h"
#include "asm/dac.h"
#include "audio_enc.h"
#include "audio_dec.h"
#include "media/includes.h"
#include "media/pcm_decoder.h"
#if (TCFG_MIC_EFFECT_ENABLE)
#define MIC_STREAM_TASK_NAME "mic_stream"
struct __mic_stream {
struct adc_mic_ch mic_ch;
struct audio_adc_output_hdl adc_output;
struct __mic_stream_parm *parm;
struct __mic_stream_io out;
u8 *temp_buf;
u8 *adc_buf;
cbuffer_t adc_cbuf;
OS_SEM sem;
struct audio_decoder decoder;
struct audio_mixer_ch mix_ch;
struct audio_res_wait wait;
volatile u8 busy: 1;
volatile u8 release: 1;
volatile u8 revert: 6;
struct pcm_decoder pcm_dec; // pcm解码句柄
struct audio_stream *audio_stream; // 音频流
};
#define MIC_SIZEOF_ALIN(var,al) ((((var)+(al)-1)/(al))*(al))
extern struct audio_dac_hdl dac_hdl;
extern struct audio_mixer mixer;
static int pcm_fread(void *hdl, void *buf, u32 len)
{
len = len / 2;
memset(buf, 0, len);
/* putchar('A'); */
return len;
}
/*----------------------------------------------------------------------------*/
/**@brief pcm解码数据输出
@param *entry:
@param *in:
@param *out:
@return
@note *out未使用
*/
/*----------------------------------------------------------------------------*/
static int pcm_dec_data_handler(struct audio_stream_entry *entry,
struct audio_data_frame *in,
struct audio_data_frame *out)
{
struct audio_decoder *decoder = container_of(entry, struct audio_decoder, entry);
struct pcm_decoder *pcm_dec = container_of(decoder, struct pcm_decoder, decoder);
struct __mic_stream *dec = container_of(pcm_dec, struct __mic_stream, pcm_dec);
audio_stream_run(&decoder->entry, in);
/* audio_mixer_ch_pause(&dec->mix_ch, 0); */
return decoder->process_len;
}
static void pcm_dec_event_handler(struct audio_decoder *decoder, int argc, int *argv)
{
}
/*----------------------------------------------------------------------------*/
/**@brief pcm解码数据流激活
@param *p:
@return
@note
*/
/*----------------------------------------------------------------------------*/
static void dec_out_stream_resume(void *p)
{
struct __mic_stream *dec = (struct __mic_stream *)p;
audio_decoder_resume(&dec->pcm_dec.decoder);
}
/*----------------------------------------------------------------------------*/
/**@brief pcm解码启动
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static int pcm_dec_start(struct __mic_stream *stream)
{
int err = 0;
if (stream == NULL) {
return -EINVAL;
}
err = pcm_decoder_open(&stream->pcm_dec, &decode_task);
if (err) {
return err;
}
pcm_decoder_set_event_handler(&stream->pcm_dec, pcm_dec_event_handler, 0);
pcm_decoder_set_read_data(&stream->pcm_dec, pcm_fread, stream);
pcm_decoder_set_data_handler(&stream->pcm_dec, pcm_dec_data_handler);
audio_mixer_ch_open(&stream->mix_ch, &mixer);
/* audio_mixer_ch_open_head(&stream->mix_ch, &mixer); // 挂载到mixer最前面 */
audio_mixer_ch_set_src(&stream->mix_ch, 0, 0);
/* audio_mixer_ch_set_src(&stream->mix_ch, 1, 1); */
/* audio_mixer_ch_set_no_wait(&stream->mix_ch, 1, 5); // 超时自动丢数 */
/* audio_mixer_ch_pause(&stream->mix_ch, 1); */
// 数据流串联
struct audio_stream_entry *entries[8] = {NULL};
u8 entry_cnt = 0;
entries[entry_cnt++] = &stream->pcm_dec.decoder.entry;
entries[entry_cnt++] = &stream->mix_ch.entry;
stream->audio_stream = audio_stream_open(stream, dec_out_stream_resume);
audio_stream_add_list(stream->audio_stream, entries, entry_cnt);
/* audio_output_set_start_volume(APP_AUDIO_STATE_MUSIC); */
err = audio_decoder_start(&stream->pcm_dec.decoder);
if (err == 0) {
printf("pcm_dec_start ok\n");
}
return err;
}
/*----------------------------------------------------------------------------*/
/**@brief pcm解码停止
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static void pcm_dec_stop(struct __mic_stream *stream)
{
printf("mic stream dec stop \n\n");
if (stream) {
/* audio_decoder_close(&stream->decoder); */
/* audio_mixer_ch_close(&stream->mix_ch); */
pcm_decoder_close(&stream->pcm_dec);
audio_mixer_ch_close(&stream->mix_ch);
if (stream->audio_stream) {
audio_stream_close(stream->audio_stream);
stream->audio_stream = NULL;
}
/* audio_decoder_task_del_wait(&decode_task, &stream->wait); */
}
}
static int pcmdec_wait_res_handler(struct audio_res_wait *wait, int event)
{
int err = 0;
struct __mic_stream *stream = container_of(wait, struct __mic_stream, wait);
if (event == AUDIO_RES_GET) {
err = pcm_dec_start(stream);
} else if (event == AUDIO_RES_PUT) {
/* pcm_dec_stop(stream); */
}
return err;
}
/*----------------------------------------------------------------------------*/
/**@brief 打开pcm解码
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static int pcm_dec_open(struct __mic_stream *stream)
{
stream->pcm_dec.ch_num = 2;
stream->pcm_dec.output_ch_num = audio_output_channel_num();
stream->pcm_dec.output_ch_type = audio_output_channel_type();
/* stream->pcm_dec.sample_rate = stream->parm->sample_rate; */
stream->pcm_dec.sample_rate = TCFG_REVERB_SAMPLERATE_DEFUAL;
stream->wait.priority = 0;
stream->wait.preemption = 0;
stream->wait.protect = 1;
stream->wait.handler = pcmdec_wait_res_handler;
return audio_decoder_task_add_wait(&decode_task, &stream->wait);
}
/*----------------------------------------------------------------------------*/
/**@brief 关闭pcm解码
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static void pcm_dec_close(struct __mic_stream *stream)
{
pcm_dec_stop(stream);
audio_decoder_task_del_wait(&decode_task, &stream->wait);
}
/*----------------------------------------------------------------------------*/
/**@brief 唤醒mic数据处理任务
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
void mic_stream_adc_resume(void *priv)
{
struct __mic_stream *stream = (struct __mic_stream *)priv;
if (stream != NULL && (stream->release == 0)) {
os_sem_set(&stream->sem, 0);
os_sem_post(&stream->sem);
}
}
/*----------------------------------------------------------------------------*/
/**@brief mic数据处理函数
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static int mic_stream_effects_run(struct __mic_stream *stream)
{
u32 tmp_len, wlen, data_len;
s16 *read_buf = (s16 *)(stream->temp_buf + stream->parm->point_unit * 2 * 3);
s16 *dual_buf = (s16 *)(stream->temp_buf + stream->parm->point_unit * 2 * 2);
s16 *qual_buf = (s16 *)stream->temp_buf;
u8 dac_chls = audio_dac_get_channel(&dac_hdl);
if (cbuf_get_data_size(&stream->adc_cbuf) < stream->parm->point_unit * 2) {
int res = os_sem_pend(&stream->sem, 0);
if (res) {
return -1;
}
}
if (stream->release) {
return -1;
}
wlen = cbuf_read(&stream->adc_cbuf, read_buf, stream->parm->point_unit * 2);
if (wlen) {
if (stream->out.func) {
/* pcm_single_to_dual(dual_buf, read_buf, stream->parm->point_unit * 2); */
/* wlen = stream->out.func(stream->out.priv, dual_buf, dual_buf, stream->parm->point_unit * 2 * 2, stream->parm->point_unit * 2 * 2); */
wlen = stream->out.func(stream->out.priv, read_buf, dual_buf, stream->parm->point_unit * 2, stream->parm->point_unit * 2 * 2);
} else {
if (dac_chls == 1) {
tmp_len = stream->parm->point_unit * 2;
wlen = audio_dac_mix_write(&dac_hdl, read_buf, tmp_len);
}
if (dac_chls == 2) {
pcm_single_to_dual(dual_buf, read_buf, stream->parm->point_unit * 2);
tmp_len = stream->parm->point_unit * 2 * 2;
wlen = audio_dac_mix_write(&dac_hdl, dual_buf, tmp_len);
} else if (dac_chls == 4) {
pcm_single_to_qual(qual_buf, read_buf, stream->parm->point_unit * 2);
tmp_len = stream->parm->point_unit * 2 * 4;
wlen = audio_dac_mix_write(&dac_hdl, qual_buf, tmp_len);
}
if (wlen < tmp_len) {
putchar('D');
}
}
} else {
/* putchar('R'); */
}
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief mic数据处理任务
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static void mic_stream_task_deal(void *p)
{
int res = 0;
struct __mic_stream *stream = (struct __mic_stream *)p;
stream->busy = 1;
while (1) {
res = mic_stream_effects_run(stream);
if (res) {
///等待删除线程
stream->busy = 0;
while (1) {
os_time_dly(10000);
}
}
}
}
/*----------------------------------------------------------------------------*/
/**@brief 创建mic数据流
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
struct __mic_stream *mic_stream_creat(struct __mic_stream_parm *parm)
{
int err = 0;
struct __mic_stream_parm *p = parm;
if (parm == NULL) {
printf("%s parm err\n", __FUNCTION__);
return NULL;
}
printf("p->dac_delay = %d\n", p->dac_delay);
printf("p->point_unit = %d\n", p->point_unit);
printf("p->sample_rate = %d\n", p->sample_rate);
u32 offset = 0;
u32 buf_size = MIC_SIZEOF_ALIN(sizeof(struct __mic_stream), 4)
+ MIC_SIZEOF_ALIN((p->point_unit * 4 * 2), 4)
+ MIC_SIZEOF_ALIN((p->point_unit * 2 * 3), 4);
u8 *buf = zalloc(buf_size);
if (buf == NULL) {
return NULL;
}
struct __mic_stream *stream = (struct __mic_stream *)buf;
offset += MIC_SIZEOF_ALIN(sizeof(struct __mic_stream), 4);
stream->temp_buf = (u8 *)buf + offset;
offset += MIC_SIZEOF_ALIN((p->point_unit * 4 * 2), 4);
stream->adc_buf = (u8 *)buf + offset;
offset += MIC_SIZEOF_ALIN((p->point_unit * 2 * 3), 4);
stream->parm = p;
os_sem_create(&stream->sem, 0);
cbuf_init(&stream->adc_cbuf, stream->adc_buf, MIC_SIZEOF_ALIN((p->point_unit * 2 * 3), 4));
/* audio_dac_mix_ch_open(&dac_hdl, p->dac_delay);//初始化dac混合通道 */
err = task_create(mic_stream_task_deal, (void *)stream, MIC_STREAM_TASK_NAME);
if (err != OS_NO_ERR) {
printf("%s creat fail %x\n", __FUNCTION__, err);
free(stream);
return NULL;
}
#if 10
err = pcm_dec_open(stream);
if (err) {
mic_stream_destroy(&stream);
return NULL;
}
#endif
printf("mic stream creat ok\n");
return stream;
}
/*----------------------------------------------------------------------------*/
/**@brief 设置mic处理函数的回调处理
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
void mic_stream_set_output(struct __mic_stream *stream, void *priv, u32(*func)(void *priv, void *in, void *out, u32 inlen, u32 outlen))
{
if (stream) {
stream->out.priv = priv;
stream->out.func = func;
}
}
/*----------------------------------------------------------------------------*/
/**@brief mic中断数据输出回调函数
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
static void adc_output_to_buf(void *priv, s16 *data, int len)
{
struct __mic_stream *stream = (struct __mic_stream *)priv;
int wlen = 0;
if (stream != NULL && (stream->release == 0)) {
wlen = cbuf_write(&stream->adc_cbuf, data, len);
os_sem_set(&stream->sem, 0);
os_sem_post(&stream->sem);
}
}
/*----------------------------------------------------------------------------*/
/**@brief 打开mic
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
bool mic_stream_start(struct __mic_stream *stream)
{
if (stream) {
if (audio_mic_open(&stream->mic_ch, stream->parm->sample_rate, 2) == 0) {
stream->adc_output.handler = adc_output_to_buf;
stream->adc_output.priv = stream;
audio_mic_add_output(&stream->adc_output);
audio_mic_start(&stream->mic_ch);
log_i("mic_stream_start ok 11\n");
return true;
}
}
return false;
}
/*----------------------------------------------------------------------------*/
/**@brief 关闭mic数据流
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
void mic_stream_destroy(struct __mic_stream **hdl)
{
int err = 0;
if ((hdl == NULL) || (*hdl == NULL)) {
return ;
}
struct __mic_stream *stream = *hdl;
stream->release = 1;
audio_mic_close(&stream->mic_ch, &stream->adc_output);
os_sem_set(&stream->sem, 0);
os_sem_post(&stream->sem);
while (stream->busy) {
os_time_dly(5);
}
printf("%s wait busy ok!!!\n", __FUNCTION__);
err = task_kill(MIC_STREAM_TASK_NAME);
os_sem_del(&stream->sem, 0);
pcm_dec_close(stream);
/* audio_dac_mix_ch_close(&dac_hdl); */
local_irq_disable();
free(*hdl);
*hdl = NULL;
/* p_stream = NULL; */
local_irq_enable();
}
#endif//TCFG_MIC_EFFECT_ENABLE