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Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

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zouhaitao
2026-07-06 11:30:13 +08:00
commit e76462eeb7
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459
sdk/app/audio_media_ctrl/wave/wave_decode.c Normal file
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#include "basic_include.h"
#include "csi_kernel.h"
#include "lib/multimedia/msi.h"
#include "lib/multimedia/framebuff.h"
#include "autpc_msi/autpc_msi.h"
#include "osal_file.h"
#include "wave_code.h"
#define BUFF_SIZE 1024
#define MAX_WAVE_DECODE_TXBUF 4
struct wave_decode_struct {
AUDIO_TRACK audio_track;
struct fbpool tx_pool;
struct os_event event;
struct msi *msi;
struct msi *autpc_msi;
char *msi_name;
void *task_hdl;
void *wave_fp;
uint8_t loop_mode;
uint8_t direct_to_dac;
uint8_t use_tpc;
uint8_t speed;
uint8_t pitch;
uint8_t destroy_self;
uint8_t get_wave_head;
uint8_t next_status;
uint8_t current_status;
uint8_t buf[BUFF_SIZE];
uint32_t buf_size;
TYPE_WAVE_HEAD wave_head;
};
static void get_wave_head(struct wave_decode_struct *s)
{
int32_t read_len = 0;
uint32_t offset = 0;
uint32_t head_seek = 0;
read_len = osal_fread(s->buf, 512, 1, s->wave_fp);
if(read_len <= 0) {
WAVE_INFO("wave read fail,ret:%d,line:%d!\r\n",read_len,__LINE__);
return;
}
s->buf_size = read_len;
os_memcpy((uint8_t*)(&(s->wave_head)), s->buf, sizeof(TYPE_RIFF_CHUNK)+sizeof(TYPE_FMT_CHUNK));
if(os_strncmp(&(s->wave_head.riff_chunk), "RIFF", 4) != 0) {
WAVE_INFO("wave head err!\n");
return;
}
offset = sizeof(TYPE_RIFF_CHUNK)+sizeof(TYPE_FMT_CHUNK);
while(os_strncmp(s->buf+offset, "data", 4) != 0) {
offset++;
if(offset >= s->buf_size-(sizeof(TYPE_DATA_CHUNK)-1)) {
os_memcpy(s->buf, s->buf+s->buf_size+(sizeof(TYPE_DATA_CHUNK)-1), sizeof(TYPE_DATA_CHUNK)-1);
head_seek += read_len;
read_len = osal_fread(s->buf+(sizeof(TYPE_DATA_CHUNK)-1), 512, 1, s->wave_fp);
if(read_len <= 0) {
WAVE_INFO("wave read fail,ret:%d,line:%d!\r\n",read_len,__LINE__);
return;
}
s->buf_size = read_len + (sizeof(TYPE_DATA_CHUNK)-1);
offset = 0;
}
}
head_seek += (offset+sizeof(TYPE_DATA_CHUNK));
os_memcpy((uint8_t*)(&(s->wave_head.data_chunk)), s->buf+offset, sizeof(TYPE_DATA_CHUNK));
osal_fseek(s->wave_fp, head_seek);
s->get_wave_head = 1;
}
static void wave_decode(struct wave_decode_struct *s)
{
int16_t *data = NULL;
int32_t ret = 0;
int32_t read_len = 0;
int32_t audio_temp = 0;
uint32_t once_read_size = 0;
uint32_t read_total_size = 0;
uint32_t interval_time = 0;
struct framebuff *frame_buf = NULL;
AUDIO_TRACK *audac_fiter_track = NULL;
if(s->wave_head.fmt_chunk.BitsPerSample == 24) {
once_read_size = BUFF_SIZE*8/24; //sample取整
once_read_size = once_read_size*3/4; //sample取偶
once_read_size *= 4;
}
else if(s->wave_head.fmt_chunk.BitsPerSample == 16) {
once_read_size = BUFF_SIZE;
}
else if(s->wave_head.fmt_chunk.BitsPerSample == 8) {
once_read_size = BUFF_SIZE/2;
}
while(1) {
if(s->next_status == AUCODEC_PAUSE) {
if(s->current_status == AUCODEC_RUN) {
msi_output_cmd(s->msi,MSI_CMD_AUTPC,MSI_AUTPC_END_STREAM,(uint32_t)(&(s->audio_track)));
msi_cmd("R_AUDAC",MSI_CMD_AUDAC,MSI_AUDAC_END_STREAM,(uint32_t)(&(s->audio_track)));
}
s->current_status = AUCODEC_PAUSE;
while(s->next_status == AUCODEC_PAUSE) {
os_sleep_ms(1);
}
}
if(s->next_status == AUCODEC_EXIT) {
s->current_status = AUCODEC_EXIT;
break;
}
s->current_status = AUCODEC_RUN;
frame_buf = fbpool_get(&s->tx_pool, 0, s->msi);
if(frame_buf) {
data = (int16_t*)(frame_buf->data);
if(read_total_size >= s->wave_head.data_chunk.DataSize) {
goto wave_decode_end;
}
if((read_total_size+once_read_size) > s->wave_head.data_chunk.DataSize) {
read_len = osal_fread((uint8_t*)data, 1, (s->wave_head.data_chunk.DataSize-read_total_size), s->wave_fp);
}
else
read_len = osal_fread((uint8_t*)data, 1, once_read_size, s->wave_fp);
if(read_len > 0) {
read_total_size += read_len;
if(s->wave_head.fmt_chunk.BitsPerSample == 24) {
for(uint32_t i=0; i<(read_len/3); i++) {
audio_temp = (int32_t)((*((uint8_t*)data+3*i))|(*((uint8_t*)data+3*i+1)<<8)|(*((uint8_t*)data+3*i+2))<<16)&0x00FFFFFF;
data[i] = audio_temp>>8;
}
read_len = read_len*2/3;
}
else if(s->wave_head.fmt_chunk.BitsPerSample == 8) {
os_memcpy(data+read_len/2, data, read_len);
for(uint32_t i=0; i<read_len; i++) {
data[i] = (int16_t)(*(((uint8_t*)data)+read_len+i)-128)<<8;
}
read_len = read_len*2;
}
if(s->wave_head.fmt_chunk.FmtChannels == 2) {
for(uint32_t i=0; i<(read_len/4); i++) {
data[i] = (( ((int32_t)data[2*i]) + data[2*i+1] ) >>1 );
}
read_len = read_len/2;
}
frame_buf->len = read_len;
frame_buf->mtype = F_AUDIO;
frame_buf->stype = FSTYPE_AUDIO_PCM;
s->audio_track.samplerate = s->wave_head.fmt_chunk.SampleRate;
if(s->use_tpc && !s->autpc_msi) {
s->autpc_msi = autpc_msi_init(s->audio_track.samplerate, s->speed, s->pitch, read_len/2, &(s->audio_track));
if(s->autpc_msi == NULL) {
goto wave_decode_end;
}
msi_add_output(s->msi, NULL, s->autpc_msi->name);
if(s->direct_to_dac) {
msi_add_output(s->autpc_msi, NULL, "R_AUDAC");
}
}
ret = msi_output_fb(s->msi, frame_buf);
WAVE_DEBUG("wave decode send framebuff:%p,ret:%d\r\n",frame_buf,ret);
msi_cmd("R_AUDAC", MSI_CMD_AUDAC, MSI_AUDAC_GET_FILTER_TRACK, (uint32_t)(&audac_fiter_track));
if(s->direct_to_dac && (!s->use_tpc) && (audac_fiter_track != (&(s->audio_track)))) {
interval_time = (frame_buf->len>>1)*1000/(s->wave_head.fmt_chunk.SampleRate);
os_sleep_ms(interval_time);
}
frame_buf = NULL;
}
else if(read_len <= 0 ) {
msi_delete_fb(s->msi, frame_buf);
frame_buf = NULL;
WAVE_INFO("wave read fail,ret:%d,line:%d!\r\n",read_len,__LINE__);
break;
}
}
else
os_sleep_ms(1);
}
wave_decode_end:
msi_output_cmd(s->msi,MSI_CMD_AUTPC,MSI_AUTPC_END_STREAM,(uint32_t)(&(s->audio_track)));
msi_cmd("R_AUDAC",MSI_CMD_AUDAC,MSI_AUDAC_END_STREAM,(uint32_t)(&(s->audio_track)));
if(frame_buf) {
msi_delete_fb(s->msi, frame_buf);
frame_buf = NULL;
}
}
static void wave_decode_thread(void *d)
{
struct wave_decode_struct *s = (struct wave_decode_struct *)d;
if(s->wave_fp) {
get_wave_head(s);
if(!s->get_wave_head) {
WAVE_INFO("wave head err!\n");
goto wave_decode_thread_end;
}
}
msi_get(s->msi);
if(s->direct_to_dac) {
msi_cmd("R_AUDAC",MSI_CMD_AUDAC,MSI_AUDAC_SET_FILTER_TRACK,(uint32_t)(&(s->audio_track)));
}
s->msi->enable = 1;
do {
osal_fseek(s->wave_fp, sizeof(TYPE_WAVE_HEAD));
wave_decode(s);
if(s->current_status == AUCODEC_EXIT) {
break;
}
}while(s->loop_mode);
if(s->direct_to_dac) {
s->audio_track.priority &= 0x3F;
msi_cmd("R_AUDAC",MSI_CMD_AUDAC,MSI_AUDAC_SET_FILTER_TRACK,(uint32_t)(&(s->audio_track)));
}
wave_decode_thread_end:
os_event_set(&s->event, coder_exit_event, NULL);
while((s->next_status != AUCODEC_EXIT) && (s->destroy_self == 0)) {
s->current_status = AUCODEC_END;
os_sleep_ms(5);
}
if(s->next_status != AUCODEC_EXIT)
msi_destroy(s->msi);
msi_put(s->msi);
}
static int32_t wave_decode_msi_action(struct msi *msi, uint32_t cmd_id, uint32_t param1, uint32_t param2)
{
int32_t ret = RET_OK;
struct wave_decode_struct *wave_decode_s = (struct wave_decode_struct *)(msi->priv);
switch(cmd_id) {
case MSI_CMD_AUCODER:
{
ret = RET_ERR;
if(wave_decode_s) {
uint32_t cmd_self = (uint32_t)param1;
switch(cmd_self) {
case MSI_AUCODER_PAUSE:
{
if(wave_decode_s->current_status == AUCODEC_RUN) {
wave_decode_s->next_status = AUCODEC_PAUSE;
}
ret = RET_OK;
break;
}
case MSI_AUCODER_CONTINUE:
{
if(wave_decode_s->current_status == AUCODEC_PAUSE) {
wave_decode_s->next_status = AUCODEC_RUN;
}
ret = RET_OK;
break;
}
case MSI_AUCODER_GET_STATUS:
{
*((uint32_t*)param2) = (uint32_t)(wave_decode_s->current_status);
ret = RET_OK;
break;
}
case MSI_AUCODER_SET_SPEED:
{
wave_decode_s->speed = (uint8_t)param2;
ret = msi_output_cmd(wave_decode_s->msi,MSI_CMD_AUTPC,MSI_AUTPC_SET_SPEED,(uint32_t)(wave_decode_s->speed));
break;
}
case MSI_AUCODER_GET_SPEED:
{
*((uint32_t*)param2) = (uint32_t)(wave_decode_s->speed);
ret = RET_OK;
break;
}
case MSI_AUCODER_SET_PITCH:
{
wave_decode_s->pitch = (uint8_t)param2;
ret = msi_output_cmd(wave_decode_s->msi,MSI_CMD_AUTPC,MSI_AUTPC_SET_PITCH,(uint32_t)(wave_decode_s->pitch));
break;
}
case MSI_AUCODER_GET_PITCH:
{
*((uint32_t*)param2) = (uint32_t)(wave_decode_s->pitch);
ret = RET_OK;
break;
}
case MSI_AUCODER_DIRECT_TO_DAC:
{
uint32_t direct_to_dac = param2;
if(direct_to_dac && wave_decode_s->direct_to_dac == 0) {
wave_decode_s->direct_to_dac = 1;
if(wave_decode_s->use_tpc == 0) {
msi_add_output(msi, NULL, "R_AUDAC");
}
else if(wave_decode_s->autpc_msi) {
msi_add_output(wave_decode_s->autpc_msi, NULL, "R_AUDAC");
}
msi_cmd("R_AUDAC",MSI_CMD_AUDAC,MSI_AUDAC_SET_FILTER_TRACK,(uint32_t)(&(wave_decode_s->audio_track)));
}
else if(wave_decode_s->direct_to_dac == 1) {
wave_decode_s->direct_to_dac = 0;
if(wave_decode_s->use_tpc == 0) {
msi_del_output(msi, NULL, "R_AUDAC");
}
else if(wave_decode_s->autpc_msi) {
msi_del_output(wave_decode_s->autpc_msi, NULL, "R_AUDAC");
}
wave_decode_s->audio_track.priority &= 0x3F;
msi_cmd("R_AUDAC",MSI_CMD_AUDAC,MSI_AUDAC_SET_FILTER_TRACK,(uint32_t)(&(wave_decode_s->audio_track)));
}
break;
}
case MSI_AUCODER_DEINIT:
{
msi_destroy(msi);
ret = RET_OK;
break;
}
default:
break;
}
}
break;
}
case MSI_CMD_FREE_FB:
{
ret = RET_ERR;
if(wave_decode_s) {
struct framebuff *frame_buf = (struct framebuff *)param1;
fbpool_put(&wave_decode_s->tx_pool, frame_buf);
}
break;
}
case MSI_CMD_PRE_DESTROY:
{
if(wave_decode_s && wave_decode_s->task_hdl) {
wave_decode_s->next_status = AUCODEC_EXIT;
}
break;
}
case MSI_CMD_POST_DESTROY:
{
if(wave_decode_s) {
if(wave_decode_s->task_hdl) {
os_event_wait(&wave_decode_s->event, coder_exit_event, NULL, OS_EVENT_WMODE_OR | OS_EVENT_WMODE_CLEAR, osWaitForever);
}
for(uint32_t i=0; i<MAX_WAVE_DECODE_TXBUF; i++) {
struct framebuff *frame_buf = (wave_decode_s->tx_pool.pool)+i;
if(frame_buf->data) {
WAVE_CODE_FREE(frame_buf->data);
frame_buf->data = NULL;
}
}
fbpool_destroy(&wave_decode_s->tx_pool);
if(wave_decode_s->event.hdl) {
os_event_del(&wave_decode_s->event);
}
if(wave_decode_s->wave_fp) {
osal_fclose(wave_decode_s->wave_fp);
wave_decode_s->wave_fp = NULL;
}
if(wave_decode_s->autpc_msi) {
autpc_msi_deinit(wave_decode_s->autpc_msi);
wave_decode_s->autpc_msi = NULL;
}
if(wave_decode_s->msi_name) {
WAVE_CODE_FREE(wave_decode_s->msi_name);
wave_decode_s->msi_name = NULL;
}
WAVE_CODE_FREE(wave_decode_s);
wave_decode_s = NULL;
}
break;
}
default:
break;
}
return ret;
}
struct msi *wave_decode_init(char *filename, uint8_t loop_mode, AUDEC_INIT *audec_init)
{
#if AUDIO_EN
char *msi_name = NULL;
msi_name = (char*)WAVE_CODE_ZALLOC(sizeof(char)*32);
if(msi_name == NULL) {
os_printf("alloc autpc msi namefail\n");
return NULL;
}
os_snprintf(msi_name, 20, "S_WAVE_DECODE_""%04d", (int)(os_jiffies()));
struct msi *msi = msi_new(msi_name, 0, NULL);
if(!msi) {
WAVE_INFO("create wave decode msi fail!\r\n");
return NULL;
}
struct wave_decode_struct *wave_decode_s = (struct wave_decode_struct *)WAVE_CODE_ZALLOC(sizeof(struct wave_decode_struct));
if(!wave_decode_s) {
WAVE_INFO("wave_decode_s malloc fail!\r\n");
goto wave_decode_init_err;
}
msi->priv = wave_decode_s;
msi->action = (msi_action)wave_decode_msi_action;
fbpool_init(&wave_decode_s->tx_pool, MAX_WAVE_DECODE_TXBUF);
for(uint32_t i=0; i<MAX_WAVE_DECODE_TXBUF; i++) {
struct framebuff *frame_buf = (wave_decode_s->tx_pool.pool)+i;
frame_buf->data = (uint8_t*)WAVE_CODE_MALLOC(BUFF_SIZE);
if(frame_buf->data == NULL) {
WAVE_INFO("wave decode malloc framebuff data fail!\r\n");
goto wave_decode_init_err;
}
frame_buf->priv = &(wave_decode_s->audio_track);
}
if(filename) {
wave_decode_s->wave_fp = osal_fopen((const char*)filename, "rb");
if(wave_decode_s->wave_fp == NULL) {
WAVE_INFO("open wave file %s fail!\r\n", filename);
goto wave_decode_init_err;
}
}
else {
WAVE_INFO("wave filename is null!\r\n");
goto wave_decode_init_err;
}
if(os_event_init(&wave_decode_s->event) != RET_OK) {
WAVE_INFO("create wave decode event fail!\r\n");
goto wave_decode_init_err;
}
wave_decode_s->msi = msi;
wave_decode_s->msi_name = msi_name;
wave_decode_s->loop_mode = loop_mode;
wave_decode_s->direct_to_dac = audec_init->direct_to_dac;
wave_decode_s->use_tpc = audec_init->use_tpc;
wave_decode_s->speed = audec_init->speed;
wave_decode_s->pitch = audec_init->pitch;
wave_decode_s->destroy_self = audec_init->destroy_self;
wave_decode_s->audio_track.priority = audec_init->priority;
wave_decode_s->audio_track.track_type = audec_init->track_type;
wave_decode_s->next_status = AUCODEC_RUN;
wave_decode_s->current_status = AUCODEC_RUN;
if(audec_init->direct_to_dac && !wave_decode_s->use_tpc) {
msi_add_output(msi, NULL, "R_AUDAC");
}
wave_decode_s->task_hdl = os_task_create("wave_decode_thread", wave_decode_thread, (void*)wave_decode_s, OS_TASK_PRIORITY_NORMAL, 0, NULL, 1024);
if(wave_decode_s->task_hdl == NULL) {
WAVE_INFO("create wave decode task fail!\r\n");
goto wave_decode_init_err;
}
return msi;
wave_decode_init_err:
msi_destroy(msi);
#endif
return NULL;
}