准备资料：
css
1.官网下载对应的miniaudio.h 头文件
2.一段pcm数据数组使用案例：
cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
#define MINIAUDIO_IMPLEMENTATION
#include "./miniAudio.h"
#include <cstring>
static const unsigned char pcmArray[] = {
0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x03, 0x00, 0x03, 0x00, 0x01, 0x00,
0x01, 0x00, 0x00, 0x00, 0x05, 0x00, 0xf7, 0xff, 0xfa, 0xff, 0x3d, 0x00, 0x59, 0xff, 0xd2, 0x00,
0x2d, 0xfb, 0xd8, 0xe9, 0x3c, 0xe7, 0x01, 0xcf, 0x72, 0xda, 0x41, 0x34, 0x88, 0x51, 0x08, 0x4e,
0xd2, 0x57, 0x27, 0x54, 0x1b, 0x54, 0x35, 0x54, 0x52, 0x53, 0x1e, 0x53, 0x5f, 0x52, 0xbd, 0x52,
0xf2, 0x50, 0x44, 0x51, 0x90, 0x53, 0x7d, 0x48, 0x23, 0x5f, 0xac, 0x34, 0x9f, 0xae, 0x81, 0x99,
0xc6, 0xac, 0xf8, 0xa1, 0xeb, 0xa6, 0xce, 0xa6, 0x85, 0xa6, 0x9c, 0xa7, 0xc1, 0xa7, 0x87, 0xa8,
0x43, 0xa8, 0xc7, 0xa9, 0x2a, 0xaa, 0xed, 0xa6, 0x89, 0xb2, 0xba, 0x9d, 0x0b, 0xbe, 0xfd, 0x44,
0xb3, 0x63, 0xe8, 0x4d, 0xc4, 0x58, 0x89, 0x54, 0x0a, 0x54, 0xa8, 0x54, 0x84, 0x53, 0x5e, 0x53,
0xa6, 0x52, 0xd8, 0x52, 0xa1, 0x51, 0xaa, 0x50, 0xab, 0x54, 0xfc, 0x48, 0x75, 0x5b, 0xe3, 0x44,
0xb1, 0xbe, 0x04, 0x96, 0xa1, 0xad, 0x24, 0xa3, 0x80, 0xa6, 0xaa, 0xa7, 0xc3, 0xa6, 0x02, 0xa8,
0x27, 0xa8, 0xdf, 0xa8, 0xd1, 0xa8, 0xb8, 0xa9, 0x3a, 0xab, 0xc9, 0xa6, 0x16, 0xb2, 0x82, 0xa2,
0x46, 0xb0, 0xdb, 0x33, 0xf8, 0x66, 0x42, 0x4e, 0xd3, 0x57, 0x9d, 0x55, 0xc7, 0x53, 0xfc, 0x54,
0xb3, 0x53, 0x8e, 0x53, 0xe2, 0x52, 0xdc, 0x52, 0x3c, 0x52, 0x45, 0x50, 0x1e, 0x55, 0x58, 0x4a,
0xfd, 0x56, 0xdf, 0x51, 0x46, 0xd1, 0xb0, 0x93, 0x5f, 0xad, 0xe2, 0xa4, 0xec, 0xa5, 0x7d, 0xa8,
0x01, 0xa7, 0x5e, 0xa8, 0x84, 0xa8, 0x2a, 0xa9, 0x56, 0xa9, 0xb5, 0xa9, 0x01, 0xac, 0x2b, 0xa7,
0xdd, 0xb0, 0x82, 0xa7, 0xea, 0xa5, 0xfd, 0x20, 0xe9, 0x68, 0xdf, 0x4f, 0x61, 0x56, 0xcf, 0x56,
0x89, 0x53, 0x35, 0x55, 0xe6, 0x53, 0xac, 0x53, 0x1c, 0x53, 0xdc, 0x52, 0xbc, 0x52, 0x2a, 0x50,
0xfa, 0x54, 0x71, 0x4c, 0x76, 0x52, 0xd5, 0x5a, 0xd3, 0xe5, 0x50, 0x93, 0x7f, 0xab, 0x11, 0xa7,
0x29, 0xa5, 0x27, 0xa9, 0x50, 0xa7, 0xa1, 0xa8, 0xe7, 0xa8, 0x70, 0xa9, 0xcf, 0xa9, 0xc0, 0xa9,
0x80, 0xac, 0xf8, 0xa7, 0x22, 0xaf, 0x58, 0xac, 0xdb, 0x9e, 0x05, 0x0c, 0x43, 0x68, 0xa4, 0x52,
0x82, 0x54, 0xff, 0x57, 0x66, 0x53, 0x51, 0x55, 0x1f, 0x54, 0xc6, 0x53, 0x4e, 0x53, 0xdd, 0x52,
0x0c, 0x53, 0x49, 0x50, 0x66, 0x54, 0xbf, 0x4e, 0x76, 0x4e, 0x3c, 0x60, 0xaa, 0xfb, 0x5a, 0x96,
0x9e, 0xa8, 0x8e, 0xa9, 0x86, 0xa4, 0xa9, 0xa9, 0xb8, 0xa7, 0xd2, 0xa8, 0x41, 0xa9, 0xac, 0xa9,
0x39, 0xaa, 0xe6, 0xa9, 0xb6, 0xac, 0x14, 0xa9, 0x47, 0xad, 0x4c, 0xb0, 0x42, 0x9b, 0xe2, 0xf6,
0x65, 0x64, 0x37, 0x56, 0x69, 0x52, 0xe4, 0x58, 0x63, 0x53, 0x4c, 0x55, 0x59, 0x54, 0xd1, 0x53,
0x7c, 0x53, 0xe2, 0x52, 0x41, 0x53, 0x99, 0x50, 0x96, 0x53, 0xec, 0x50, 0x8c, 0x4b, 0x6c, 0x62,
0xa3, 0x10, 0x1d, 0x9c, 0xcc, 0xa4, 0xf4, 0xab, 0x2a, 0xa4, 0xe5, 0xa9, 0x34, 0xa8, 0xf5, 0xa8,
0x93, 0xa9, 0xe4, 0xa9, 0x92, 0xaa, 0x21, 0xaa, 0xb0, 0xac, 0x5d, 0xaa, 0x7b, 0xab, 0x39, 0xb3,
0xa4, 0x9a, 0x50, 0xe2, 0xd8, 0x5d, 0xf2, 0x5a, 0x6e, 0x50, 0x8d, 0x59, 0xa0, 0x53, 0x1d, 0x55,
0x99, 0x54, 0xdb, 0x53, 0x9b, 0x53, 0xe9, 0x52, 0x54, 0x53, 0x0b, 0x51, 0xa3, 0x52, 0xdc, 0x52,
0xad, 0x49, 0xf1, 0x61, 0x09, 0x25, 0x43, 0xa5, 0x3f, 0xa0, 0x04, 0xae, 0x1c, 0xa4, 0xd5, 0xa9,
0xc9, 0xa8, 0x0e, 0xa9, 0xe6, 0xa9, 0x1f, 0xaa, 0xdf, 0xaa, 0x74, 0xaa, 0x80, 0xac, 0xa6, 0xab,
0x25, 0xaa, 0xb7, 0xb4, 0xe1, 0x9c, 0x14, 0xcf, 0x93, 0x52, 0xcc, 0x5f, 0xf1, 0x4e, 0xa3, 0x59,
0x33, 0x54, 0xd1, 0x54, 0xdb, 0x54, 0xde, 0x53, 0xb7, 0x53, 0xfc, 0x52, 0x4d, 0x53, 0x8f, 0x51,
0xba, 0x51, 0x4a, 0x54, 0xfd, 0x48, 0x5c, 0x5f, 0x9f, 0x37, 0x7a, 0xb2, 0x0d, 0x9c, 0x8d, 0xaf,
0x9b, 0xa4, 0x7d, 0xa9, 0x6e, 0xa9, 0x1a, 0xa9, 0x2c, 0xaa, 0x54, 0xaa, 0x14, 0xab, 0xd4, 0xaa,
0x46, 0xac, 0xc1, 0xac, 0x5d, 0xa9, 0x00, 0xb5, 0xad, 0xa0, 0x92, 0xbe, 0x37, 0x44, 0x20, 0x64,
0x35, 0x4e, 0x0e, 0x59, 0xf2, 0x54, 0x69, 0x54, 0x10, 0x55, 0xe4, 0x53, 0xc4, 0x53, 0x0a, 0x53,
0x35, 0x53, 0x15, 0x52, 0xff, 0x50, 0x1d, 0x55, 0x6a, 0x49, 0x77, 0x5b, 0xe4, 0x46, 0xc5, 0xc1,
0x30, 0x98, 0x22, 0xb0, 0xa9, 0xa5, 0xed, 0xa8, 0x1d, 0xaa, 0x2d, 0xa9, 0x6a, 0xaa, 0x8e, 0xaa,
0x46, 0xab, 0x36, 0xab, 0x12, 0xac, 0xa7, 0xad, 0x20, 0xa9, 0x50, 0xb4, 0x43, 0xa5, 0x54, 0xb1,
0xb3, 0x33, 0x9e, 0x67, 0x9d, 0x4e, 0x05, 0x58, 0xeb, 0x55, 0xfd, 0x53, 0x3d, 0x55, 0xed, 0x53,
0xc9, 0x53, 0x24, 0x53, 0x16, 0x53, 0x8a, 0x52, 0x78, 0x50, 0x64, 0x55, 0xc2, 0x4a, 0xc4, 0x56,
0x3f, 0x53, 0x35, 0xd4, 0xb9, 0x95, 0x8b, 0xaf, 0x35, 0xa7, 0x1d, 0xa8, 0xc7, 0xaa, 0x47, 0xa9,
0x9c, 0xaa, 0xc9, 0xaa, 0x6a, 0xab, 0x94, 0xab, 0xe8, 0xab, 0x41, 0xae, 0x63, 0xa9, 0xe3, 0xb2,
0x2b, 0xaa, 0x1c, 0xa7, 0x22, 0x20, 0xe1, 0x68, 0x01, 0x50, 0x66, 0x56, 0xf8, 0x56, 0xa0, 0x53,
0x52, 0x55, 0xff, 0x53, 0xc9, 0x53, 0x36, 0x53, 0xf2, 0x52, 0xdd, 0x52, 0x41, 0x50, 0x08, 0x55,
0xb9, 0x4c, 0x28, 0x52, 0x97, 0x5b, 0xce, 0xe8, 0xed, 0x95, 0xab, 0xad, 0x5b, 0xa9, 0x4b, 0xa7,
0x4f, 0xab, 0x75, 0xa9, 0xbe, 0xaa, 0x04, 0xab, 0x88, 0xab, 0xea, 0xab, 0xd8, 0xab, 0x92, 0xae,
0x1d, 0xaa, 0x04, 0xb1, 0xc5, 0xae, 0x4f, 0xa0, 0x63, 0x0b, 0x09, 0x68, 0xa7, 0x52, 0x53, 0x54,
0xf9, 0x57, 0x55, 0x53, 0x47, 0x55, 0x17, 0x54, 0xc0, 0x53, 0x49, 0x53, 0xcd, 0x52, 0x0f, 0x53,
0x45, 0x50, 0x4a, 0x54, 0xed, 0x4e, 0x21, 0x4e, 0x90, 0x60, 0x23, 0xfe, 0x6a, 0x98, 0x63, 0xaa,
0xb8, 0xab, 0x84, 0xa6, 0xaf, 0xab, 0xbe, 0xa9, 0xce, 0xaa, 0x40, 0xab, 0xa6, 0xab, 0x31, 0xac,
0xdc, 0xab, 0xa1, 0xae, 0x1f, 0xab, 0xf8, 0xae, 0x9c, 0xb2, 0xdf, 0x9c, 0x22, 0xf6, 0x47, 0x64,
0x79, 0x56, 0x2a, 0x52, 0xdb, 0x58, 0x40, 0x53, 0x25, 0x55, 0x36, 0x54, 0xb0, 0x53, 0x59, 0x53,
0xbb, 0x52, 0x26, 0x53, 0x7e, 0x50, 0x5b, 0x53, 0x04, 0x51, 0x26, 0x4b, 0x61, 0x62, 0x3f, 0x13,
0x7e, 0x9e, 0x74, 0xa6, 0xfa, 0xad, 0x04, 0xa6, 0xca, 0xab, 0x21, 0xaa, 0xda, 0xaa, 0x7d, 0xab,
0xc6, 0xab, 0x74, 0xac, 0x04, 0xac, 0x81, 0xae, 0x52, 0xac, 0x2d, 0xad, 0x3a, 0xb5, 0x9b, 0x9c,
0xab, 0xe1, 0xb1, 0x5c, 0xc4, 0x5a, 0x15, 0x50, 0x50, 0x59, 0x67, 0x53, 0xdd, 0x54, 0x5c, 0x54,
0x9c, 0x53, 0x60, 0x53, 0xa9, 0x52, 0x18, 0x53, 0xd9, 0x50, 0x5a, 0x52, 0xaf, 0x52, 0x63, 0x49,
0xa0, 0x61, 0x28, 0x26, 0x77, 0xa7, 0x44, 0xa2, 0xef, 0xaf, 0xfb, 0xa5, 0xab, 0xab, 0x9d, 0xaa,
0xdc, 0xaa, 0xb4, 0xab, 0xef, 0xab, 0xa8, 0xac, 0x45, 0xac, 0x50, 0xae, 0x60, 0xad, 0x15, 0xac,
0x54, 0xb6, 0xa6, 0x9e, 0x07, 0xd2, 0x66, 0x53, 0xdc, 0x5e, 0xb5, 0x4e, 0x2d, 0x59, 0xba, 0x53,
0x74, 0x54, 0x6e, 0x54, 0x7c, 0x53, 0x53, 0x53, 0x97, 0x52, 0xf1, 0x52, 0x1e, 0x51, 0x86, 0x51,
0xb1, 0x53, 0xc1, 0x48, 0x7b, 0x5f, 0x50, 0x34, 0x2e, 0xb1, 0xba, 0x9e, 0x1d, 0xb1, 0x63, 0xa6,
0x76, 0xab, 0x2d, 0xab, 0xf7, 0xaa, 0xfd, 0xab, 0x25, 0xac, 0xe2, 0xac, 0x9a, 0xac, 0x2f, 0xae,
0x4e, 0xae, 0x6e, 0xab, 0xb0, 0xb6, 0x8d, 0xa1, 0xb4, 0xc4, 0x48, 0x48, 0x3a, 0x62, 0x06, 0x4e,
0xbc, 0x58, 0x36, 0x54, 0x06, 0x54, 0x7c, 0x54, 0x66, 0x53, 0x41, 0x53, 0x85, 0x52, 0xc1, 0x52,
0x65, 0x51, 0xc9, 0x50, 0x57, 0x54, 0xca, 0x48, 0x61, 0x5c, 0x0d, 0x41, 0x5b, 0xbd, 0xe3, 0x9b,
0xd7, 0xb1, 0x22, 0xa7, 0x18, 0xab, 0xc1, 0xab, 0x11, 0xab, 0x3f, 0xac, 0x61, 0xac, 0x15, 0xad,
0xf2, 0xac, 0x10, 0xae, 0x1d, 0xaf, 0x21, 0xab, 0x86, 0xb6, 0xec, 0xa4, 0x54, 0xb9, 0xd4, 0x3b,
0xee, 0x64, 0xbc, 0x4d, 0xf0, 0x57, 0xc3, 0x54, 0x9a, 0x53, 0x81, 0x54, 0x48, 0x53, 0x2c, 0x53,
0x77, 0x52, 0x8d, 0x52, 0xaa, 0x51, 0x2e, 0x50, 0x95, 0x54, 0x75, 0x49, 0xd2, 0x58, 0x6f, 0x4b,
0x96, 0xca, 0x7a, 0x99, 0xdf, 0xb1, 0x4e, 0xa8, 0x9d, 0xaa, 0x57, 0xac, 0x31, 0xab, 0x76, 0xac,
0x96, 0xac, 0x45, 0xad, 0x4a, 0xad, 0xee, 0xad, 0xd1, 0xaf, 0x11, 0xab, 0xd7, 0xb5, 0xc1, 0xa8,
0x6a, 0xaf, 0x05, 0x2e, 0x3f, 0x67, 0x17, 0x4e, 0xdc, 0x56, 0x68, 0x55, 0x20, 0x53, 0x7f, 0x54,
0x30, 0x53, 0x0e, 0x53, 0x68, 0x52, 0x4f, 0x52, 0xda, 0x51, 0xb7, 0x4f, 0x84, 0x54, 0x86, 0x4a,
0x09, 0x55, 0x26, 0x54, 0x8d, 0xd9, 0x33, 0x98, 0x1d, 0xb1, 0xa8, 0xa9, 0x04, 0xaa, 0xe3, 0xac,
0x57, 0xab, 0xa5, 0xac, 0xd6, 0xac, 0x6f, 0xad, 0xa2, 0xad, 0xde, 0xad, 0x4a, 0xb0, 0x74, 0xab,
0xb6, 0xb4, 0xd1, 0xac, 0xf3, 0xa7, 0x58, 0x1e, 0xb2, 0x67, 0xf1, 0x4e, 0x2d, 0x55, 0xd7, 0x55,
0x62, 0x52, 0x16, 0x54, 0xba, 0x52, 0x7e, 0x52, 0xe6, 0x51, 0x97, 0x51, 0x7f, 0x51, 0xe3, 0x4e,
0x8d, 0x53, 0x5e, 0x4b, 0x9b, 0x50, 0x22, 0x5a, 0xdb, 0xe9, 0x07, 0x99, 0x8a, 0xb0, 0x1a, 0xac,
0x2a, 0xaa, 0x17, 0xae, 0x3f, 0xac, 0x86, 0xad, 0xc6, 0xad, 0x47, 0xae, 0xaa, 0xae, 0x8c, 0xae,
0x44, 0xb1, 0xe4, 0xac, 0xa8, 0xb3, 0xa1, 0xb1, 0x24, 0xa3, 0xc6, 0x0b, 0xee, 0x65, 0x88, 0x50,
0x69, 0x52, 0xde, 0x55, 0x4b, 0x51, 0x30, 0x53, 0xf6, 0x51, 0x9f, 0x51, 0x22, 0x51, 0xa6, 0x50,
0xdf, 0x50, 0x12, 0x4e, 0x02, 0x52, 0xc1, 0x4c, 0xcb, 0x4b, 0x46, 0x5e, 0x97, 0xfe, 0x12, 0x9c,
0x3e, 0xae, 0x1f, 0xaf, 0x28, 0xaa, 0x34, 0xaf, 0x3f, 0xad, 0x54, 0xae, 0xbb, 0xae, 0x1f, 0xaf,
0xaa, 0xaf, 0x50, 0xaf, 0xff, 0xb1, 0x9e, 0xae, 0x49, 0xb2, 0xe0, 0xb5, 0xc3, 0xa0, 0xe1, 0xf6,
0x27, 0x61, 0xb7, 0x53, 0xb8, 0x4f, 0x24, 0x56, 0xb7, 0x50, 0x92, 0x52, 0xa6, 0x51, 0x2a, 0x51,
0xd5, 0x50, 0x37, 0x50, 0xa5, 0x50, 0x0c, 0x4e, 0xd5, 0x50, 0xb4, 0x4e, 0x8b, 0x48, 0x16, 0x60,
0x9b, 0x13, 0xb5, 0xa1, 0x40, 0xaa, 0x56, 0xb1, 0x81, 0xa9, 0x45, 0xaf, 0x88, 0xad, 0x48, 0xae,
0xe2, 0xae, 0x27, 0xaf, 0xcf, 0xaf, 0x60, 0xaf, 0xc5, 0xb1, 0xb1, 0xaf, 0x77, 0xb0, 0x4a, 0xb8,
0x7d, 0xa0, 0xd6, 0xe2, 0xc1, 0x59, 0xee, 0x57, 0xa9, 0x4d, 0x8f, 0x56, 0xd6, 0x50, 0x41, 0x52,
0xc1, 0x51, 0x0c, 0x51, 0xcf, 0x50, 0x1e, 0x50, 0x8e, 0x50, 0x61, 0x4e, 0xc0, 0x4f, 0x5c, 0x50,
0xdb, 0x46, 0xdc, 0x5e, 0xa3, 0x26, 0xdb, 0xaa, 0xc4, 0xa5, 0x50, 0xb3, 0x5b, 0xa9, 0x0b, 0xaf,
0xf4, 0xad, 0x32, 0xae, 0x06, 0xaf, 0x35, 0xaf, 0xef, 0xaf, 0x8d, 0xaf, 0x72, 0xb1, 0xc7, 0xb0,
0x08, 0xaf, 0x90, 0xb9, 0x7b, 0xa2, 0xa7, 0xd0, 0x6e, 0x4f, 0x95, 0x5c, 0x00, 0x4c, 0x84, 0x56,
0x35, 0x51, 0xd2, 0x51, 0xdc, 0x51, 0xf1, 0x50, 0xc9, 0x50, 0x0f, 0x50, 0x63, 0x50, 0xc5, 0x4e,
0xc3, 0x4e, 0x8b, 0x51, 0x54, 0x46, 0xcd, 0x5b, 0xcd, 0x37, 0x5e, 0xb7, 0x38, 0xa1, 0x85, 0xb4,
0xbd, 0xa9, 0x87, 0xae, 0x74, 0xae, 0x1b, 0xae, 0x27, 0xaf, 0x44, 0xaf, 0xff, 0xaf, 0xc2, 0xaf,
0x12, 0xb1, 0xb9, 0xb1, 0x18, 0xae, 0xab, 0xb9, 0x20, 0xa6, 0x5f, 0xc0, 0x5d, 0x41, 0xd5, 0x60,
0x36, 0x4b, 0xfb, 0x55, 0xd7, 0x51, 0x56, 0x51, 0xfc, 0x51, 0xda, 0x50, 0xbf, 0x50, 0x0c, 0x50,
0x2e, 0x50, 0x2c, 0x4f, 0xf5, 0x4d, 0x22, 0x52, 0xdd, 0x46, 0x9c, 0x57, 0x5f, 0x46, 0x28, 0xc7,
0xad, 0x9d, 0xd9, 0xb4, 0xaf, 0xaa, 0xcb, 0xad, 0xfe, 0xae, 0x0d, 0xae, 0x42, 0xaf, 0x5c, 0xaf,
0x0b, 0xb0, 0x05, 0xb0, 0xba, 0xb0, 0x77, 0xb2, 0xc9, 0xad, 0xba, 0xb8, 0xc1, 0xaa, 0x3e, 0xb3,
0x7d, 0x30, 0x09, 0x64, 0x4b, 0x4b, 0xca, 0x54, 0xba, 0x52, 0xd1, 0x50, 0x10, 0x52, 0xc9, 0x50,
0xac, 0x50, 0x07, 0x50, 0xf7, 0x4f, 0x82, 0x4f, 0x6c, 0x4d, 0x30, 0x52, 0x2d, 0x48, 0xef, 0x52,
0x8d, 0x51, 0x06, 0xd9, 0x4b, 0x9b, 0x1c, 0xb4, 0x31, 0xac, 0xe2, 0xac, 0x84, 0xaf, 0x05, 0xae,
0x53, 0xaf, 0x78, 0xaf, 0x0f, 0xb0, 0x41, 0xb0, 0x77, 0xb0, 0xde, 0xb2, 0x0e, 0xae, 0x09, 0xb7,
0x89, 0xaf, 0x12, 0xaa, 0x7f, 0x1d, 0x59, 0x65, 0xd3, 0x4c, 0x02, 0x53, 0xb0, 0x53, 0x5a, 0x50,
0x11, 0x52, 0xc6, 0x50, 0x93, 0x50, 0x07, 0x50, 0xbd, 0x4f, 0xbb, 0x4f, 0x25, 0x4d, 0xc3, 0x51,
0x09, 0x4a, 0x62, 0x4e, 0x70, 0x59, 0xbd, 0xec, 0x23, 0x9b, 0x13, 0xb2, 0x19, 0xae, 0xf2, 0xab,
0xf2, 0xaf, 0x15, 0xae, 0x5a, 0xaf, 0x97, 0xaf, 0x14, 0xb0, 0x77, 0xb0, 0x50, 0xb0, 0x03, 0xb3,
0xbd, 0xae, 0x07, 0xb5, 0xc9, 0xb3, 0x2b, 0xa4, 0x1c, 0x09, 0xd8, 0x63, 0x7c, 0x4f, 0xf1, 0x50,
0xa1, 0x54, 0x07, 0x50, 0xf7, 0x51, 0xc9, 0x50, 0x76, 0x50, 0x0a, 0x50, 0x8d, 0x4f, 0xd8, 0x4f,
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0xed, 0xff,
};
struct AudioData {
const char* data;
size_t size;
size_t currentIndex;
};
void dataCallback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount)
{
AudioData* audioData = reinterpret_cast<AudioData*>(pDevice->pUserData);
// 计算每帧的字节数
size_t bytesPerFrame = pDevice->playback.channels * ma_get_bytes_per_sample(pDevice->playback.format);
// 计算要拷贝的字节数
size_t bytesToCopy = frameCount * bytesPerFrame;
// 检查剩余的 PCM 数据是否足够
if (audioData->currentIndex + bytesToCopy > audioData->size) {
bytesToCopy = audioData->size - audioData->currentIndex; // 不足时只拷贝剩余的部分
}
// 拷贝 PCM 数据到输出缓冲区
std::memcpy(pOutput, audioData->data + audioData->currentIndex, bytesToCopy);
// 如果 PCM 数据不够，填充剩余部分为0
if (bytesToCopy < frameCount * bytesPerFrame) {
std::memset(static_cast<char*>(pOutput) + bytesToCopy, 0, (frameCount * bytesPerFrame) - bytesToCopy);
}
// 更新当前读取位置
audioData->currentIndex += bytesToCopy;
}
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
{
ui->setupUi(this);
QByteArray pcmData(reinterpret_cast<const char*>(pcmArray), sizeof(pcmArray));
playPCM(pcmData);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::playPCM(const QByteArray& pcmData)
{
AudioData audioData = { pcmData.constData(), static_cast<size_t>(pcmData.size()), 0 };
ma_device_config config = ma_device_config_init(ma_device_type_playback);
config.playback.format = ma_format_s16;
config.playback.channels = 1;
config.sampleRate =16000;
config.dataCallback = dataCallback;
config.pUserData = &audioData;
ma_device device;
if(ma_device_init(NULL,&config, &device) != MA_SUCCESS)
{
return;
}
if(ma_device_start(&device) != MA_SUCCESS)
{
ma_device_uninit(&device);
return;
}
while (audioData.currentIndex < audioData.size)
{//循环判断是否可以关闭 音频
ma_sleep(100);
}
ma_device_uninit(&device);
}