zouhaitao/TAIXIN
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
zouhaitao
2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

472
sdk/app/audio_media_ctrl/mp3/mp3_getInfo.c Normal file
View File

@@ -0,0 +1,472 @@
#include "basic_include.h"
//#include "keyWork.h"
//#include "keyScan.h"
#include "osal_file.h"
#include "mp3_getInfo.h"
#include "mp3_decode.h"
#include "audio_code_ctrl.h"
#include "lib/heap/av_heap.h"
#include "lib/heap/av_psram_heap.h"
#define MP3_SAVE_INFO 0
#if MP3_SAVE_INFO
#define MAX_FORWARD_TIME 10
struct key_callback_list_s *key_seek_list = NULL;
#endif
const uint32_t bitrate_table[5][15] = {
/* MPEG-1 */
{ 0, 32000, 64000, 96000, 128000, 160000, 192000, 224000, /* Layer I */
256000, 288000, 320000, 352000, 384000, 416000, 448000 },
{ 0, 32000, 48000, 56000, 64000, 80000, 96000, 112000, /* Layer II */
128000, 160000, 192000, 224000, 256000, 320000, 384000 },
{ 0, 32000, 40000, 48000, 56000, 64000, 80000, 96000, /* Layer III */
112000, 128000, 160000, 192000, 224000, 256000, 320000 },
/* MPEG-2 ，MPEG-2.5 */
{ 0, 32000, 48000, 56000, 64000, 80000, 96000, 112000, /* Layer I */
128000, 144000, 160000, 176000, 192000, 224000, 256000 },
{ 0, 8000, 16000, 24000, 32000, 40000, 48000, 56000, /* Layer */
64000, 80000, 96000, 112000, 128000, 144000, 160000 } /* II & III */
};
const uint32_t samplingrate_table[4][3] = { //value s are in Hz
{11025 , 12000 , 8000}, //MPEG Version 2.5
{0,0,0}, //reserved
{22050, 24000, 16000}, //MPEG Version 2 (ISO/IEC 13818-3)
{44100, 48000, 32000} //MPEG Version 1 (ISO/IEC 11172-3)
};
const uint8_t layerIII_inbytes[4][4] = {
{17,17,17,9}, /*MPEG Version 2.5*/
{0, 0, 0, 0}, /*reserved*/
{17,17,17,9}, /*MPEG Version 2*/
{32,32,32,17} /*MPEG Version 1*/
};
const uint16_t samples_table[4][4] = {
{0,576,1152,384}, /*MPEG Version 2.5 {reserve,layerIII,layerII,layerI}*/
{0,0,0,0}, /*reserved {reserve,layerIII,layerII,layerI}*/
{0,576,1152,384}, /*MPEG Version 2 {reserve,layerIII,layerII,layerI}*/
{0,1152,1152,384} /*MPEG Version 1 {reserve,layerIII,layerII,layerI}*/
};
uint32_t get_curmp3_size(CUR_MP3_INFO *cur_mp3_info, uint32_t s)
{
if(!cur_mp3_info)
return 0;
cur_mp3_info->total_size =s;
return cur_mp3_info->total_size;
}
void curmp3_info_init(CUR_MP3_INFO **cur_mp3_info, uint8_t *mp3_filename)
{
#if MP3_SAVE_INFO
char dirname_len = strlen("0:mp3/");
char extension_len = strlen("mp3");
char filename_temp[50] = {0};
#endif
if(!(*cur_mp3_info))
(*cur_mp3_info) = (CUR_MP3_INFO*)MP3_DECODE_ZALLOC(sizeof(CUR_MP3_INFO));
else
os_memset((*cur_mp3_info), 0, sizeof(CUR_MP3_INFO));
#if MP3_SAVE_INFO
os_memcpy(filename_temp, mp3_filename+dirname_len, strlen(mp3_filename)-dirname_len-extension_len);
filename_temp[strlen(mp3_filename)-dirname_len-extension_len] = '\0';
os_sprintf((*cur_mp3_info)->mp3_st_filename, "0:MP3_SEEK/%s%s", filename_temp, "st");
os_printf("mp3_st_filename:%s\n",(*cur_mp3_info)->mp3_st_filename);
#endif
}
// void get_curmp3_totaltime_ergodic(void *fp, uint32_t first_frame_offset)
// {
// uint8_t bitrate_index = 0;
// uint8_t padding = 0;
// uint8_t frame_head[4];
// int32_t read_len = 0;
// uint32_t bitrate = 0;
// uint32_t frame_len = 0;
// uint32_t offset = 0;
// uint32_t current_seek = 0;
// uint32_t read_frame_cnt = 0;
// uint32_t read_second_cnt = 0;
// if(!cur_mp3_info)
// return;
// current_seek = osal_ftell(fp);
// osal_fseek(fp, first_frame_offset);
// osal_fread(frame_head, 1, 4, fp);
// offset = first_frame_offset;
// bitrate_index = (frame_head[2]>>4)&0xf;
// bitrate = bitrate_table[cur_mp3_info->bitrate_table_index][bitrate_index];
// padding = ((frame_head[2]>>1)&0x1) * cur_mp3_info->padding_mul;
// frame_len = cur_mp3_info->samples/8*bitrate/cur_mp3_info->samplingrate + padding;
// offset = first_frame_offset+4;
// // printf("samples:%d samplingrate:%d bitrate:%d\n",cur_mp3_info->samples,cur_mp3_info->samplingrate,bitrate);
// INIT_LIST_HEAD((struct list_head *)&cur_mp3_info->seek_table_head);
// MP3_SEEK_TABLE *sub_seek_table = MP3_DECODE_ZALLOC(sizeof(MP3_SEEK_TABLE));
// list_add_tail((struct list_head *)&sub_seek_table->sub_table_list,(struct list_head *)&cur_mp3_info->seek_table_head);
// sub_seek_table->sub_table[0] = first_frame_offset;
// while(1) {
// osal_fseek(fp, offset+frame_len-4);
// offset += frame_len;
// read_len = osal_fread(frame_head, 1, 4, fp);
// if(((cur_mp3_info->total_size-offset)==124) && (strncmp((const char*)frame_head, "TAG", 3)==0)) { //ID3V1
// break;
// }
// if(((frame_head[0]<<8) | (frame_head[1]&0xE0)) != 0xFFE0) {
// break;
// }
// if((offset+frame_len-4) >= cur_mp3_info->total_size ) { //end
// break;
// }
// cur_mp3_info->total_frame++;
// bitrate_index = (frame_head[2]>>4)&0xf;
// bitrate = bitrate_table[cur_mp3_info->bitrate_table_index][bitrate_index];
// padding = ((frame_head[2]>>1)&0x1) * cur_mp3_info->padding_mul;
// frame_len = cur_mp3_info->samples/8*bitrate/cur_mp3_info->samplingrate + padding;
// read_frame_cnt++;
// if(read_frame_cnt >= (cur_mp3_info->one_second_frame)) {
// read_second_cnt++;
// if(read_second_cnt >= 100) {
// sub_seek_table = (MP3_SEEK_TABLE*)MP3_DECODE_ZALLOC(sizeof(MP3_SEEK_TABLE));
// list_add_tail((struct list_head *)&sub_seek_table->sub_table_list,(struct list_head *)&cur_mp3_info->seek_table_head);
// read_second_cnt -= 100;
// }
// sub_seek_table->sub_table[read_second_cnt] = offset-4;
// read_frame_cnt -= (cur_mp3_info->one_second_frame);
// }
// }
// cur_mp3_info->totaltime = cur_mp3_info->total_frame * cur_mp3_info->samples / cur_mp3_info->samplingrate;
// cur_mp3_info->once_move_time = (cur_mp3_info->totaltime%100)?(cur_mp3_info->totaltime/100+1):(cur_mp3_info->totaltime/100);
// MP3_INFO("total_frame:%d total_time:%d once_move_time:%d\n",cur_mp3_info->total_frame, cur_mp3_info->totaltime,cur_mp3_info->once_move_time);
// cur_mp3_info->get_totaltime = 1;
// osal_fseek(fp, current_seek);
// }
// uint32_t get_mp3_seek(void)
// {
// if(!cur_mp3_info)
// return 0;
// return cur_mp3_info->offset_seek;
// }
// uint32_t get_curmp3_playtime(void)
// {
// if(!cur_mp3_info)
// return 0;
// cur_mp3_info->playtime = cur_mp3_info->play_frame * cur_mp3_info->samples / cur_mp3_info->samplingrate;
// // printf("record:%d %d\n",cur_mp3_info->playtime,cur_mp3_info->play_frame);
// return cur_mp3_info->playtime;
// }
// uint32_t get_curmp3_playframe(void)
// {
// if(!cur_mp3_info)
// return 0;
// cur_mp3_info->play_frame++;
// return cur_mp3_info->play_frame;
// }
// void update_curmp3_playtime(uint32_t update_time)
// {
// if(!cur_mp3_info)
// return;
// cur_mp3_info->playtime = update_time;
// }
// void update_curmp3_playframe(uint32_t update_frame)
// {
// if(!cur_mp3_info)
// return;
// cur_mp3_info->play_frame = update_frame;
// }
// void set_mp3_seek(int16_t move_time)
// {
// uint8_t table_pos = 0;
// uint32_t offset_seek = 0;
// uint32_t target_time = 0;
// uint32_t target_frame = 0;
// uint32_t table_index = 0;
// struct list_head *seek_table_list = NULL;
// MP3_SEEK_TABLE *seek_table = NULL;
// target_time = ((cur_mp3_info->playtime + move_time)<0)?0:(cur_mp3_info->playtime + move_time);
// target_time = (target_time>cur_mp3_info->totaltime)?cur_mp3_info->totaltime:target_time;
// target_frame = cur_mp3_info->one_second_frame*target_time;
// table_index = target_time/100;
// table_pos = target_time%100;
// seek_table_list = cur_mp3_info->seek_table_head.next;
// while(table_index>0) {
// seek_table_list = seek_table_list->next;
// table_index--;
// }
// seek_table = list_entry((struct list_head *)seek_table_list,MP3_SEEK_TABLE,sub_table_list);
// offset_seek = seek_table->sub_table[table_pos];
// osal_fseek(cur_mp3_info->mp3_fp,offset_seek);
// update_curmp3_playtime(target_time);
// update_curmp3_playframe(target_frame);
// cur_mp3_info->offset_seek = offset_seek;
// MP3_INFO("**file pos:%x time:%d frame:%d**\n",offset_seek,cur_mp3_info->playtime,cur_mp3_info->play_frame);
// }
// //
// //uint32_t key_seek_callback(struct key_callback_list_s *callback_list,uint32_t keyvalue,uint32_t extern_value)
// //{
// // uint32 key_val = 0;
// //
// // if(!cur_mp3_info)
// // return 0;
// //
// // if(((keyvalue>>8) != AD_A) && ((keyvalue>>8) != AD_B))
// // return 0;
// // if(get_mp3_decode_status() == MP3_STOP) {
// // _os_printf("mp3 stop\n");
// // return 0;
// // }
// // key_val = (keyvalue & 0xff);
// // if((keyvalue>>8) == AD_A) {
// // if(key_val == KEY_EVENT_DOWN) {
// // os_sema_down(&seek_sema,5000);
// // set_mp3_seek(-cur_mp3_info->once_move_time);
// // }
// // else if((key_val == KEY_EVENT_LDOWN) || (key_val == KEY_EVENT_REPEAT)) {
// // set_mp3_seek(-cur_mp3_info->once_move_time);
// // }
// // else if((key_val == KEY_EVENT_SUP) || (key_val == KEY_EVENT_LUP)) {
// // cur_mp3_info->update_fops = 1;
// // os_sema_up(&seek_sema);
// // }
// // }
// // else if((keyvalue>>8) == AD_B) {
// // if(key_val == KEY_EVENT_DOWN) {
// // os_sema_down(&seek_sema,5000);
// // set_mp3_seek(cur_mp3_info->once_move_time);
// // }
// // else if((key_val == KEY_EVENT_LDOWN) || (key_val == KEY_EVENT_REPEAT)) {
// // set_mp3_seek(cur_mp3_info->once_move_time);
// // }
// // else if((key_val == KEY_EVENT_SUP) || (key_val == KEY_EVENT_LUP)) {
// // cur_mp3_info->update_fops = 1;
// // os_sema_up(&seek_sema);
// // }
// // }
// // return 1;
// //}
// int32_t at_set_mp3_seek(const char *cmd, char *argv[], uint32_t argc)
// {
// int32_t seek_time = 0;
// uint32_t forward_time = 0;
// if(!cur_mp3_info)
// return 0;
// // if(get_mp3_decode_status() == AUCODEC_EXIT) {
// // MP3_INFO("mp3 stop\n");
// // return 0;
// // }
// if(argc < 1) {
// MP3_INFO("%s %d,enter the seek\n",__FUNCTION__,argc);
// return 0;
// }
// if(argv[0]) {
// seek_time = os_atoi(argv[0]);
// if(seek_time == 0)
// return 1;
// // forward_time = (seek_time<MAX_FORWARD_TIME)?seek_time:MAX_FORWARD_TIME;
// forward_time = seek_time;
// os_sema_down(&seek_sema,5000);
// set_mp3_seek(forward_time);
// cur_mp3_info->update_fops = 1;
// os_sema_up(&seek_sema);
// }
// return 0;
// }
// int seektable_check(CUR_MP3_INFO *mp3_info)
// {
// int32_t ret = 0;
// uint32_t read_buf[4] = {0};
// uint32_t seek_table_len = 0;
// uint32_t *cache_buf = NULL;
// cache_buf = (uint32_t*)MP3_DECODE_ZALLOC(sizeof(uint32_t)*100);
// if(!cache_buf)
// goto seektable_check_end;
// osal_fread(read_buf, 4, 4, mp3_info->mp3_st_fp);
// if((read_buf[0]==mp3_info->total_size) && (read_buf[1]==mp3_info->first_frame_offset)
// && (read_buf[2]==mp3_info->normal_frame_offset)) {
// mp3_info->total_frame = read_buf[3];
// seek_table_len = osal_fsize(mp3_info->mp3_st_fp) - sizeof(read_buf);
// INIT_LIST_HEAD((struct list_head *)&mp3_info->seek_table_head);
// while(seek_table_len) {
// MP3_SEEK_TABLE *sub_seek_table = MP3_DECODE_ZALLOC(sizeof(MP3_SEEK_TABLE));
// list_add_tail((struct list_head *)&sub_seek_table->sub_table_list,(struct list_head *)&mp3_info->seek_table_head);
// osal_fread((void*)cache_buf, 4, 100, mp3_info->mp3_st_fp);
// os_memcpy(sub_seek_table->sub_table, cache_buf, sizeof(uint32_t)*100);
// seek_table_len -= 100*4;
// }
// cur_mp3_info->totaltime = cur_mp3_info->total_frame * cur_mp3_info->samples / cur_mp3_info->samplingrate;
// cur_mp3_info->once_move_time = (cur_mp3_info->totaltime%100)?(cur_mp3_info->totaltime/100+1):(cur_mp3_info->totaltime/100);
// MP3_INFO("total_frame:%d total_time:%d once_move_time:%d\n",cur_mp3_info->total_frame, cur_mp3_info->totaltime,cur_mp3_info->once_move_time);
// cur_mp3_info->get_totaltime = 1;
// ret = 1;
// }
// seektable_check_end:
// if(cache_buf)
// MP3_DECODE_FREE((void*)cache_buf);
// osal_fclose(mp3_info->mp3_st_fp);
// return ret;
// }
void find_first_frame(CUR_MP3_INFO *cur_mp3_info, void *fp)
{
uint8_t mp3_head[512];
uint8_t bitrate_index = 0;
uint8_t channel_mode = 0x11;
uint8_t padding = 0;
uint8_t layer_index = 0;
uint8_t mpeg_index = 0;
uint8_t samplingrate_index = 0;
int32_t bitrate = 0;
uint32_t offset = 0;
uint32_t first_frame_offset = 0;
uint32_t seek = 0;
uint32_t frame_len = 0;
if(!cur_mp3_info) {
return;
}
osal_fread(mp3_head, 512, 1, fp);
if(os_strncmp(mp3_head+offset, "ID3", 3) == 0) {
uint32_t ID3V2_len = (mp3_head[6]&0x7F)*0x200000+ (mp3_head[7]&0x7F)*0x4000 +
(mp3_head[8]&0x7F)*0x80 +(mp3_head[9]&0x7F);
offset += (ID3V2_len+10);
}
MP3_INFO("ID3 offset:%x\n",offset);
osal_fseek(fp,offset);
seek = offset;
osal_fread(mp3_head,1,512,fp);
while(((mp3_head[offset-seek]<<8) | (mp3_head[offset-seek+1]&0xE0)) != 0xFFE0) {
offset++;
if((offset+1) > (seek+512)) {
osal_fseek(fp,offset);
osal_fread(mp3_head, 1, 512, fp);
seek = offset;
}
}
osal_fseek(fp,offset);
seek = offset;
osal_fread(mp3_head,1,512,fp);
cur_mp3_info->mp3_fp = fp;
first_frame_offset = offset;
// os_printf("\n***first frame offset:%x****\n",first_frame_offset);
cur_mp3_info->first_frame_offset = first_frame_offset;
layer_index = (mp3_head[first_frame_offset-seek+1]>>1)&0x3;
mpeg_index = (mp3_head[first_frame_offset-seek+1]>>3)&0x3;
samplingrate_index = (mp3_head[first_frame_offset-seek+2]>>2)&0x3;
cur_mp3_info->samplingrate = samplingrate_table[mpeg_index][samplingrate_index];
cur_mp3_info->samples = samples_table[mpeg_index][layer_index];
channel_mode = (mp3_head[first_frame_offset-seek+3]>>6)&0x3;
if(mpeg_index == 3) { /*MPEG 1*/
switch(layer_index) {
case 0:break;
case 1:cur_mp3_info->bitrate_table_index = 2;break; /*layer III*/
case 2:cur_mp3_info->bitrate_table_index = 1;break; /*layer II*/
case 3:cur_mp3_info->bitrate_table_index = 0;break; /*layer I*/
default:break;
}
}
else if((mpeg_index == 0) || (mpeg_index == 2)) { /*MPEG 2、MPEG2.5*/
switch(layer_index) {
case 0:break;
case 1:cur_mp3_info->bitrate_table_index = 4;break;
case 2:cur_mp3_info->bitrate_table_index = 4;break;
case 3:cur_mp3_info->bitrate_table_index = 3;break;
default:break;
}
}
bitrate_index = (mp3_head[first_frame_offset-seek+2]>>4)&0xf;
bitrate = bitrate_table[cur_mp3_info->bitrate_table_index][bitrate_index];
if(layer_index == 3)
cur_mp3_info->padding_mul = 4;
else if((layer_index == 1) || (layer_index == 2))
cur_mp3_info->padding_mul = 1;
padding = ((mp3_head[first_frame_offset-seek+2]>>1)&0x1) * cur_mp3_info->padding_mul;
frame_len = cur_mp3_info->samples/8*bitrate/cur_mp3_info->samplingrate + padding;
MP3_INFO("first frame samples:%d samplingrate:%d channel_mode:%d bitrate:%d frame_len:%d\n",
cur_mp3_info->samples,cur_mp3_info->samplingrate,channel_mode,bitrate,frame_len);
cur_mp3_info->normal_frame_offset = cur_mp3_info->first_frame_offset+frame_len;
cur_mp3_info->one_second_frame = cur_mp3_info->samplingrate/cur_mp3_info->samples;
#if MP3_SAVE_INFO
int32_t ret = 0;
DIR st_dir;
os_sema_init(&seek_sema, 1);
if(!key_seek_list)
key_seek_list = add_keycallback(key_seek_callback, NULL);
MP3_INFO("one_second_frame:%d",cur_mp3_info->one_second_frame);
ret = f_opendir(&st_dir,"0:/MP3_SEEK");
if(ret == FR_OK) {
cur_mp3_info->mp3_st_fp = osal_fopen(cur_mp3_info->mp3_st_filename, "r");
if(cur_mp3_info->mp3_st_fp) {
if(seektable_check(cur_mp3_info)) {
return;
}
osal_fclose(cur_mp3_info->mp3_st_fp);
}
}
else{
ret = f_mkdir("0:/MP3_SEEK");
}
get_curmp3_totaltime_ergodic(fp, first_frame_offset);
cur_mp3_info->mp3_st_fp = osal_fopen(cur_mp3_info->mp3_st_filename, "wb");
if(cur_mp3_info->mp3_st_fp) {
osal_fwrite(cur_mp3_info, 4, 4, cur_mp3_info->mp3_st_fp);
struct list_head *seek_table_list = cur_mp3_info->seek_table_head.next;
struct list_head *seek_table_head = &cur_mp3_info->seek_table_head;
while(seek_table_list != seek_table_head) {
MP3_SEEK_TABLE *seek_table = list_entry((struct list_head *)seek_table_list,MP3_SEEK_TABLE,sub_table_list);
osal_fwrite(seek_table->sub_table, 100, 4, cur_mp3_info->mp3_st_fp);
seek_table_list = seek_table_list->next;
}
osal_fclose(cur_mp3_info->mp3_st_fp);
}
#endif
}
// uint32_t get_curmp3_songtime(uint32_t brate)
// {
// if(!cur_mp3_info) {
// return 0;
// }
// if(cur_mp3_info->get_totaltime == 1) {
// return cur_mp3_info->totaltime;
// }
// return 0;
// }
void clear_curmp3_info(CUR_MP3_INFO *cur_mp3_info)
{
if(cur_mp3_info) {
MP3_DECODE_FREE(cur_mp3_info);
}
#if MP3_SAVE_INFO
if(key_seek_list) {
remove_keycallback(key_seek_list);
key_seek_list = NULL;
}
struct list_head *list_n = (struct list_head *)&cur_mp3_info->seek_table_head;
struct list_head *head = (struct list_head *)&cur_mp3_info->seek_table_head;
MP3_SEEK_TABLE *seek_table = NULL;
while(list_n->next != head) {
list_n = list_n->next;
seek_table = list_entry((struct list_head *)list_n,MP3_SEEK_TABLE,sub_table_list);
MP3_DECODE_FREE(seek_table);
}
os_sema_del(&seek_sema);
#endif
}