171 lines
3.6 KiB
C
171 lines
3.6 KiB
C
#include "system/includes.h"
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#include "app_config.h"
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#include "audio_server.h"
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#ifdef USE_PITCH_SPEED_TEST
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static void *dec_server;
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static void dec_server_event_handler(void *priv, int argc, int *argv)
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{
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switch (argv[0]) {
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case AUDIO_SERVER_EVENT_ERR:
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puts("AUDIO_SERVER_EVENT_ERR\n");
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case AUDIO_SERVER_EVENT_END:
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puts("AUDIO_SERVER_EVENT_END\n");
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os_time_dly(3);
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union audio_req r = {0};
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r.dec.cmd = AUDIO_DEC_PAUSE;
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if (dec_server) {
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server_request(dec_server, AUDIO_REQ_DEC, &r);
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}
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break;
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case AUDIO_SERVER_EVENT_CURR_TIME:
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log_d("play_time: %d\n", argv[1]);
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break;
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}
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}
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static int play_local_music(void *file)
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{
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int err;
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union audio_req req = {0};
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if (!file) {
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return -1;
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}
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req.dec.cmd = AUDIO_DEC_OPEN;
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req.dec.volume = 60;
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req.dec.output_buf = NULL;
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req.dec.output_buf_len = 24 * 1024;
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req.dec.file = (FILE *)file;
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req.dec.channel = 0;
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req.dec.sample_rate = 0;
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req.dec.priority = 1;
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req.dec.vfs_ops = NULL;
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req.dec.sample_source = "dac";
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#if 1 //变声变调功能
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req.dec.speedV = 80; // >80是变快，<80是变慢，建议范围：30到130
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req.dec.pitchV = 32768; // >32768是音调变高，<32768音调变低，建议范围20000到50000
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req.dec.attr = AUDIO_ATTR_PS_EN;
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#endif
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err = server_request(dec_server, AUDIO_REQ_DEC, &req);
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if (err) {
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log_e("audio_dec_open: err = %d\n", err);
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fclose((FILE *)file);
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return err;
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}
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req.dec.cmd = AUDIO_DEC_START;
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err = server_request(dec_server, AUDIO_REQ_DEC, &req);
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if (err) {
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log_e("audio_dec_start: err = %d\n", err);
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fclose((FILE *)file);
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return err;
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}
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return 0;
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}
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static void pitch_speed_config(int speed, int pitch)
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{
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union audio_req req = {0};
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req.dec.cmd = AUDIO_DEC_PS_PARM_SET;
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req.dec.speedV = speed; // >80是变快，<80是变慢，建议范围：30到130
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req.dec.pitchV = pitch; // >32768是音调变高，<32768音调变低，建议范围20000到50000
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req.dec.attr = AUDIO_ATTR_PS_EN;
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server_request(dec_server, AUDIO_REQ_DEC, &req);
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}
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static void pitch_speed_thread()
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{
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//1. 等待SD卡挂载
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while (!storage_device_ready()) {
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os_time_dly(20);
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}
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//2. 打开dec服务
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dec_server = server_open("audio_server", "dec");
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if (!dec_server) {
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printf("open audio_server failed\n\r");
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return ;
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}
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server_register_event_handler_to_task(dec_server, NULL, dec_server_event_handler, "app_core");
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FILE *fd = NULL;
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fd = fopen(CONFIG_ROOT_PATH"1.mp3", "r");
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if (!fd) {
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printf("open fd failed \n\r");
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goto exit;
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}
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//4. 打开本地歌曲
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int ret = play_local_music(fd);
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if (ret) {
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printf("play local music failed\n\r");
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goto exit;
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}
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os_time_dly(2000);
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printf("130 32768\n\r");
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//5. 变快
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pitch_speed_config(130, 32768);
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os_time_dly(1000);
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printf("80 50000\n\r");
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//6. 升调
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pitch_speed_config(80, 50000);
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os_time_dly(1000);
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printf("80 20000\n\r");
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//7. 降调
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pitch_speed_config(80, 20000);
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os_time_dly(1000);
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printf("30 32768\n\r");
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//8. 变慢
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pitch_speed_config(30, 32768);
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return;
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exit:
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if (fd) {
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fclose(fd);
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}
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if (dec_server) {
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server_close(dec_server);
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dec_server = NULL;
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}
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}
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static void main()
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{
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thread_fork("pitch_speed_thread", 20, 1024, 0, 0, pitch_speed_thread, 0);
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}
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late_initcall(main);
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#endif
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