杰理codec解码原型的实现

最近调试一款个案子，用到了WIFI，因WIFI没有codec功能所以只能外接一个codec IC进行音频解码播放，用到了杰理的6925，通过串口通信把MP3数据从WIFI传到了杰理6925，6925这边负责解码播放，解码实现如下：

//测试用的mp3数据
const u8 music_data[] = {
	0xFF, 0xF2, 0x3B, 0xC0, 0x4E, 0x54, 0x00, 0x12, 0x90, 0x2E, 0xA4, 0xF6, 0x31, 0x8C, 0x04, 0x04, 
	0xDB, 0xEA, 0xDC, 0x9A, 0x87, 0x04, 0x94, 0xE0, 0xB5, 0x82, 0x28, 0x11, 0x47, 0xE5, 0x00, 0x03, 
	0x43, 0xE0, 0x80, 0x44, 0x30, 0x0F, 0x88, 0x22, 0x41, 0x39, 0x4D, 0x21, 0x10, 0xB3, 0xBF, 0x43, 
	0x65, 0x3C, 0x81, 0x3E, 0xB1, 0xCE, 0xF2, 0x85, 0x2D, 0x39, 0xF4, 0x77, 0x1C, 0x26, 0x42, 0x82, 
	0x7F, 0xCA, 0x2D, 0xE7, 0x3E, 0x82, 0xEA, 0x93, 0x26, 0xCC, 0xBB, 0xFE, 0x18, 0x3F, 0xAB, 0xB0, 
	0x2C, 0xE2, 0x85, 0xFC, 0xF9, 0xC3, 0xE9, 0xA8, 0xBA, 0x3F, 0x24, 0x8A, 0x9F, 0x49, 0xA7, 0x1D, 
	0x76, 0xEC, 0xD3, 0x42, 0xD5, 0x38, 0xC9, 0x11, 0xE1, 0xD4, 0x9D, 0xD8, 0x9E, 0xFF, 0xF2, 0x49, 
	0xC0, 0x40, 0x49, 0x13, 0x10, 0x10, 0x76, 0xD2, 0x5E, 0x48, 0xC6, 0x48, 0xB2, 0xE8, 0xCC, 0x81, 
	0x6C, 0x0B, 0x21, 0x93, 0x67, 0x35, 0xD9, 0xE5, 0xFF, 0xC3, 0x7E, 0x45, 0xDD, 0x97, 0x4B, 0x7F, 
	0xFD, 0x60, 0x88, 0x5F, 0xBF, 0xFA, 0x3E, 0xBE, 0x2C, 0x0B, 0x23, 0x5B, 0xCE, 0x7A, 0xD9, 0xF6, 
	0x3E, 0xD4, 0x8C, 0xDC, 0xE2, 0xCB, 0x62, 0x99, 0x6A, 0xEF, 0x15, 0x69, 0x13, 0x49, 0xCB, 0x64, 
	0xD7, 0x6B, 0x86, 0x6A, 0xE4, 0xAD, 0x01, 0x9A, 0x52, 0x64, 0x7C, 0x63, 0x9C, 0xE3, 0x93, 0x8A, 
	0xD7, 0x59, 0x08, 0xE9, 0x5F, 0x41, 0x0E, 0xD4, 0xCF, 0x64, 0x5D, 0xCB, 0xEB, 0xA7, 0x51, 0x77, 
	0x7A, 0x81, 0xFB, 0x3A, 0x2B, 0xAB, 0xE2, 0xEB, 0x76, 0xD4, 0xCB, 0xFD, 0x62, 0xC9, 0xA9, 0xF9, 
	0x40, 0xC0, 0x95, 0xDC, 0x4E, 0xFF, 0x42, 0xBE, 0x9F, 0x17, 0xF9, 0xD4, 0x99, 0x6B, 0x16, 0x43, 
	0x10, 0x76, 0xA9, 0x35, 0x1C, 0x92, 0x4D, 0x4C, 0x95, 0x1B, 0x6F, 0x6D, 0x33, 0xFF, 0xF2, 0x3B, 
	0xC0, 0x43, 0x9B, 0x53, 0x11, 0x70, 0xC2, 0xD5, 0xBE, 0x30, 0x84, 0x6C, 0xCD, 0x72, 0x82, 0xD1, 
	0xB9, 0x64, 0x34, 0x1A, 0x07, 0x10, 0x13, 0x3C, 0x82, 0xA2, 0xE4, 0x2A, 0x10, 0xA2, 0x31, 0x06, 
	0x3B, 0xEB, 0xA0, 0x06, 0xDB, 0x7A, 0x34, 0xAF, 0xBE, 0xBE, 0xCD, 0xFF, 0xCC, 0x9F, 0xF6, 0x4A, 
	0x7F, 0xCB, 0xF4, 0xEF, 0x56, 0xE5, 0x2F, 0xD9, 0x7B, 0xEA, 0xC5, 0x31, 0x26, 0xFF, 0x3B, 0x34, 
	0x8E, 0xDE, 0xE4, 0x46, 0x99, 0x3D, 0x7F, 0x82, 0xEC, 0x73, 0x61, 0xB7, 0x7B, 0x9F, 0xF6, 0xD3, 
	0x4A, 0x57, 0xEF, 0xB2, 0xD2, 0xD7, 0xED, 0xAF, 0x6D, 0xC9, 0x2D, 0xB6, 0x35, 0x09, 0xA5, 0xDB, 
	0xB2, 0xC2, 0xDE, 0xC1, 0xFA, 0xE2, 0x24, 0xF5, 0x9B, 0x59, 0xFF, 0xF2, 0x49, 0xC0, 0xD8, 0x55, 
	0x6B, 0x15, 0x9A, 0xEE, 0xCD, 0x9E, 0x49, 0x44, 0xB8, 0xA4, 0x6A, 0x40, 0x67, 0x4B, 0x0F, 0x66, 
	0x42, 0xA1, 0x18, 0xCC, 0x34, 0x7A, 0xD5, 0xAF, 0x7C, 0x9D, 0x5D, 0xA2, 0x0F, 0xF4, 0xF2, 0x36, 
	0xBF, 0xEF, 0xA2, 0xFC, 0xEC, 0xCF, 0x6F, 0xF4, 0x7B, 0xE5, 0xFA, 0x2F, 0xDF, 0x7F, 0xF6, 0x91, 
	0xC1, 0x07, 0x14, 0x55, 0x3A, 0x3E, 0x16, 0x30, 0x0D, 0x24, 0xB2, 0x18, 0x49, 0x27, 0xB5, 0x8C, 
	0x71, 0x11, 0x6B, 0x20, 0x63, 0xD2, 0x3F, 0x73, 0x32, 0x82, 0xB5, 0xD1, 0x31, 0x90, 0xB5, 0x48, 
	0x64, 0x97, 0x2D, 0x5A, 0x6D, 0xB9, 0x2C, 0xB1, 0xB0, 0xF0, 0xA7, 0x92, 0xC0, 0x40, 0x46, 0xB6, 
	0xF0, 0xF3, 0xA0, 0xC9, 0x13, 0xAE, 0xAB, 0x13, 0x0E, 0x52, 0x2D, 0x89, 0x9D, 0x0D, 0x92, 0x41, 
	0xE7, 0x3D, 0x98, 0xBB, 0x35, 0xE8, 0x0B, 0x1D, 0xAB, 0xD4, 0xD3, 0x63, 0xDC, 0xDC, 0xAF, 0x62, 
	0x9D, 0x7F, 0x3E, 0x64, 0xFF, 0x8E, 0xFA, 0x2B, 0xD9, 0x9C, 0xFF, 0xF2, 0x3B, 0xC0, 0xE6, 0x95, 
	0x95, 0x17, 0x2A, 0x72, 0xCC, 0xFE, 0x79, 0x4A, 0xB4, 0xFA, 0xA9, 0x9D, 0x73, 0x2A, 0x3B, 0xF7, 
	0xFD, 0x2D, 0xDD, 0x1C, 0x78, 0xF1, 0x59, 0x91, 0x27, 0x66, 0xC2, 0x27, 0x23, 0xBE, 0xF5, 0x34, 
	0xFE, 0x4A, 0x7D, 0x9B, 0xAB, 0x3A, 0x29, 0xAD, 0xF8, 0xB0, 0xE3, 0x6F, 0x73, 0xD0, 0xCD, 0x6E, 
	0x52, 0x72, 0xAA, 0xA8, 0x93, 0x6C, 0xF8, 0xB8, 0x6C, 0xBD, 0x5E, 0xE4, 0x92, 0x76, 0xE1, 0x7F, 
	0x1D, 0x55, 0x1E, 0xD2, 0xCE, 0xEF, 0x14, 0x75, 0xAD, 0x2E, 0x62, 0xEE, 0x90, 0x35, 0x00, 0x16, 
	0x1B, 0x54, 0x00, 0x19, 0x0B, 0x24, 0x6C, 0x6C, 0x63, 0xFD, 0x81, 0xDB, 0xFA, 0xE2, 0x6D, 0xBE, 
	0x33, 0xCC, 0xFF, 0xFA, 0x8C, 0xCB, 0xF8, 0xFF, 0xF2, 0x49, 0xC0, 0xDF, 0x21, 0x96, 0x19, 0xF3, 
	0x22, 0xC4, 0xFE, 0x49, 0xCA, 0xD8, 0xD1, 0x84, 0xDA, 0xB4, 0x6A, 0x56, 0x99, 0xFA, 0xB6, 0xFA, 
	0xA7, 0xD9, 0xBD, 0x89, 0x46, 0x13, 0x16, 0x15, 0xAF, 0x55, 0x2E, 0x50, 0xD1, 0x95, 0xFB, 0x74, 
	0xB1, 0xD3, 0x97, 0xDB, 0x56, 0x53, 0x0C, 0x11, 0x3F, 0xEA, 0x30, 0xCC, 0x1E, 0xA5, 0xA8, 0x65, 
	0x2C, 0x42, 0xCE, 0xB5, 0x28, 0x7B, 0xC8, 0x5A, 0xF1, 0xA9, 0x73, 0x09, 0x2E, 0xD3, 0x53, 0x09, 
	0x5A, 0xBF, 0xE4, 0x92, 0x2A, 0x29, 0x83, 0x28, 0x4D, 0x6A, 0x53, 0x6D, 0x7C, 0x79, 0x86, 0x8F, 
	0x6C, 0x13, 0xE3, 0x06, 0x0E, 0x18, 0x2E, 0x30, 0xCF, 0x60, 0xD9, 0x83, 0x2E, 0x16, 0x56, 0xA2, 
	0xE2, 0x38, 0x8F, 0xC1, 0x4B, 0xFD, 0xFE, 0xEF, 0xB8, 0xAD, 0xD4, 0xDF, 0x8D, 0x8A, 0xBA, 0xBF, 
	0xFB, 0x67, 0xA5, 0x3E, 0xA6, 0x1B, 0x9F, 0xD5, 0xF4, 0xA5, 0xEA, 0x8B, 0xDA, 0x6B, 0xF7, 0xD0, 
	0xC6, 0x38, 0xD3, 0x74, 0x9C, 0x71, 0xC3, 0xFF, 0xF2, 0x3B, 0xC0, 0x7E, 0xF8, 0xAF, 0x19, 0x9B, 
	0x26, 0xBC, 0x36, 0x79, 0x4A, 0xD8, 0xE8, 0x0F, 0x9D, 0x51, 0x7A, 0xA6, 0x14, 0x2E, 0x73, 0x5D, 
	0x51, 0xFF, 0x74, 0x31, 0xED, 0xD6, 0x88, 0x75, 0x75, 0x38, 0xB3, 0x35, 0x0C, 0x14, 0x5D, 0xAE, 
	0x89, 0xDC, 0xE4, 0xBC, 0xF2, 0xC2, 0xAE, 0xB8, 0x24, 0xC2, 0xD7, 0x12, 0x1B, 0x16, 0xE2, 0x37, 
	0x15, 0x5A, 0xAF, 0xDB, 0x92, 0x2E, 0x45, 0x12, 0x67, 0x92, 0x25, 0x33, 0x37, 0x27, 0x8E, 0xF3, 
	0xB7, 0x90, 0x3A, 0x0F, 0xB9, 0x71, 0xE8, 0x7F, 0x07, 0x33, 0x3B, 0xDE, 0x94, 0x9D, 0x98, 0x0D, 
	0xDC, 0x88, 0xC3, 0xA9, 0xFE, 0x21, 0x60, 0x9B, 0x4C, 0xDC, 0x19, 0xDF, 0xB6, 0xBE, 0x6F, 0xEA, 
	0xA5, 0x44, 0x54, 0x46, 0xFF, 0xF2, 0x49, 0xC0, 0xB3, 0xEE, 0xA6, 0x1C, 0x62, 0xFE, 0xBC, 0xF6, 
	0x62, 0x0E, 0xB8, 0x4F, 0xF6, 0xCE, 0x47, 0xDD, 0xCE, 0xAF, 0xB3, 0x9D, 0x5D, 0x64, 0x9A, 0xFD, 
	0x4C, 0x64, 0xBA, 0xEB, 0xF0, 0x4C, 0xCF, 0x74, 0xB3, 0x54, 0xF4, 0x47, 0x25, 0x2E, 0x0C, 0xD4, 
	0xA1, 0xCF, 0xBD, 0x85, 0x06, 0xF7, 0xF0, 0xBB, 0xDD, 0x36, 0x65, 0x2F, 0xF5, 0xF4, 0xA0, 0x00, 
	0x42, 0x55, 0x55, 0xA2, 0x54, 0x69, 0x92, 0x92, 0x71, 0xC6, 0xDB, 0xA6, 0xC2, 0x85, 0x58, 0x1A, 
	0x46, 0x35, 0xC4, 0xDB, 0x36, 0x62, 0xA3, 0xF3, 0x4F, 0x31, 0x48, 0x48, 0x5B, 0xFC, 0x2B, 0x52, 
	0xF5, 0x8F, 0xBB, 0xE9, 0xD4, 0x7A, 0x62, 0x68, 0x2D, 0x0F, 0x29, 0x8D, 0x6F, 0xA4, 0xCB, 0x03, 
	0x62, 0xBB, 0x9D, 0xA5, 0x3A, 0x33, 0x57, 0xA6, 0xFF, 0xF0, 0xA8, 0xA7, 0x2C, 0xE0, 0x75, 0xA6, 
	0x11, 0x4D, 0xD5, 0xB2, 0x77, 0x7D, 0x8E, 0xE0, 0xDB, 0x73, 0x15, 0x3F, 0x64, 0x32, 0x7E, 0xA6, 
	0x85, 0x41, 0x4D, 0xDE, 0xFF, 0xF2, 0x3B, 0xC0, 0xCF, 0x06, 0xB5, 0x17, 0xCA, 0x76, 0xC4, 0xF7, 
	0x4B, 0x10, 0x00, 0x6E, 0x8A, 0xBB, 0x8B, 0xBB, 0xCD, 0xDB, 0xEA, 0x21, 0x14, 0xCB, 0xA0, 0x4E, 
	0x5C, 0xB9, 0x71, 0x47, 0xCB, 0x0A, 0xA5, 0xA8, 0x12, 0x98, 0x31, 0x8A, 0x6B, 0xAF, 0xE3, 0x92, 
	0x3C, 0xB8, 0x3F, 0xE6, 0xBA, 0xD1, 0x7B, 0x93, 0x0D, 0x07, 0x22, 0x4A, 0xFB, 0xCF, 0xF3, 0x53, 
	0xF7, 0xF6, 0x8E, 0x94, 0x1B, 0x09, 0x10, 0x53, 0x3A, 0xB4, 0x69, 0x72, 0xE8, 0x47, 0x51, 0xE8, 
	0x2F, 0x21, 0x01, 0x8B, 0x94, 0xC8, 0x6B, 0x59, 0xA8, 0x68, 0x80, 0x86, 0x4F, 0xF8, 0xBF, 0xAD, 
	0x1A, 0xCF, 0x27, 0x48, 0x95, 0xC7, 0x99, 0x65, 0xEE, 0x44, 0x5D, 0xD6, 0xCF, 0x2C, 0xA9, 0xEF, 
	0x92, 0xFF, 0xF2, 0x49, 0xC0, 0x9A, 0x1D, 0xB3, 0x1B, 0x38, 0xFA, 0xDD, 0x9F, 0x8C, 0x78, 0x00, 
	0xFF, 0xFF, 0x6B, 0x08, 0x38, 0xA3, 0x9C, 0x09, 0x8E, 0x14, 0x0B, 0xBD, 0x8B, 0x04, 0xC5, 0x0F, 
	0xFF, 0xFE, 0x98, 0x60, 0xBA, 0xCC, 0x14, 0x25, 0xAD, 0x36, 0xE4, 0x92, 0xC8, 0xD2, 0xA4, 0x2A, 
	0xC7, 0x15, 0xA9, 0xE4, 0x79, 0xEE, 0xD7, 0xA6, 0xCE, 0x10, 0x84, 0x2B, 0x50, 0xF5, 0x89, 0xD0, 
	0x26, 0x3D, 0x94, 0x46, 0x30, 0x27, 0x09, 0x12, 0xC3, 0x59, 0x75, 0x8C, 0xD9, 0x14, 0x56, 0x50, 
	0x25, 0x44, 0xD8, 0x27, 0xA0, 0x7A, 0x8B, 0x23, 0x3F, 0xEB, 0xD4, 0xB6, 0x45, 0x7B, 0x55, 0xAB, 
	0x57, 0x41, 0xFA, 0x9D, 0x3F, 0xB2, 0x37, 0xB7, 0xB1, 0x56, 0x65, 0xDA, 0xFF, 0xDE, 0x73, 0x91, 
	0xE9, 0x97, 0xD4, 0xE4, 0x51, 0xC2, 0x5B, 0xB9, 0x33, 0xB9, 0x4F, 0xFF, 0xF5, 0xD7, 0xE9, 0xD2, 
	0x8D, 0x04, 0xC6, 0x2D, 0xD1, 0x0C, 0x6A, 0x55, 0x46, 0x06, 0xA6, 0x3B, 0xA3, 0xB0, 0xC5, 0x55, 
	0x65, 0xFF, 0xF2, 0x3B, 0xC0, 0x97, 0x3E, 0xC7, 0x16, 0xD0, 0xCE, 0xD4, 0xF7, 0xCC, 0x60, 0x00, 
	0x31, 0x45, 0x0C, 0xAA, 0x7E, 0xD2, 0xFA, 0x38, 0xA0, 0x35, 0x50, 0x34, 0xFC, 0x5D, 0x19, 0x93, 
	0x8E, 0x36, 0xE3, 0xDA, 0x02, 0x72, 0xF5, 0x2A, 0xA8, 0x54, 0x1C, 0x4C, 0x54, 0xC9, 0x2F, 0x4F, 
	0xF7, 0x9E, 0x56, 0xB7, 0x3C, 0xE0, 0x88, 0xF7, 0xCE, 0x30, 0xDC, 0xD8, 0xBC, 0xD3, 0xD0, 0xB9, 
	0x44, 0xFD, 0x5F, 0x76, 0xDF, 0x7E, 0x87, 0x69, 0x7F, 0xEF, 0xFF, 0x43, 0x69, 0x6F, 0xFF, 0x4B, 
	0xAA, 0xB5, 0x3E, 0xF4, 0x5F, 0xDD, 0x5E, 0x90, 0x44, 0xCF, 0x72, 0x33, 0x32, 0x2A, 0x3A, 0xBB, 
	0x1D, 0x1F, 0x7D, 0xF7, 0xA7, 0x7A, 0xF5, 0xB4, 0xE7, 0x2B, 0xA9, 0xD0, 0xE9, 0xB4, 0xFF, 0xF2, 
	0x49, 0xC0, 0xF8, 0xEE, 0xC9, 0x1E, 0x33, 0x76, 0xC9, 0x9E, 0x7B, 0x44, 0xD8, 0xA2, 0xD2, 0x0C, 
	0x88, 0x40, 0x84, 0x70, 0xC0, 0x56, 0x86, 0x6E, 0xE6, 0xC2, 0x0A, 0xDA, 0xF8, 0x12, 0x36, 0x12, 
	0x7F, 0xE0, 0x67, 0x96, 0xD9, 0x5A, 0xD2, 0x8D, 0xB7, 0x24, 0x3E, 0xC1, 0x98, 0x19, 0x6C, 0x74, 
	0xD3, 0x1C, 0xCE, 0x3E, 0xDB, 0x5B, 0x1B, 0x19, 0x16, 0xB2, 0xDD, 0x13, 0xBD, 0x4B, 0x44, 0x5E, 
	0xB2, 0x39, 0x0D, 0x17, 0x70, 0x57, 0x57, 0xC7, 0x3A, 0x45, 0xF3, 0xFD, 0x7D, 0x7F, 0x71, 0xFF, 
	0x5F, 0xFE, 0x97, 0xFF, 0xFF, 0xA2, 0xFC, 0xDF, 0xC7, 0xFC, 0xFF, 0xC7, 0x1F, 0xFF, 0x3F, 0xFC, 
	0xFC, 0xD7, 0xC7, 0xF5, 0xEA, 0xBD, 0xDF, 0xB5, 0xDD, 0x7D, 0x46, 0xD7, 0x6B, 0xDC, 0xED, 0x1A, 
	0xBE, 0x6B, 0x49, 0x1D, 0xCC, 0xC3, 0x5A, 0xEB, 0x51, 0x24, 0xD6, 0x26, 0x84, 0x15, 0x7C, 0x79, 
	0xB4, 0xF5, 0x46, 0xA8, 0xF5, 0xD6, 0x9F, 0x3E, 0x3B, 0xE5, 0x25, 0x27, 0x6D, 0x0C, 0xFF, 0xF2, 
	0x3B, 0xC0, 0x6C, 0x92, 0xD1, 0x19, 0xEB, 0x52, 0xCC, 0x5E, 0x49, 0xC4, 0xD9, 0xB6, 0xCD, 0x54, 
	0xA6, 0x92, 0x5A, 0x05, 0x7C, 0xB9, 0x9B, 0x10, 0x8D, 0x03, 0xB8, 0x96, 0xD2, 0x47, 0xCC, 0xC6, 
	0x63, 0x36, 0x09, 0x14, 0x86, 0x24, 0x99, 0x69, 0x1A, 0xB2, 0xA8, 0x08, 0xC5, 0xCC, 0x8B, 0x08, 
	0xB7, 0x90, 0x48, 0x06, 0x44, 0xB1, 0x89, 0x44, 0xEA, 0xE6, 0x2B, 0xAD, 0x9E, 0x91, 0x82, 0x73, 
	0xF4, 0x24, 0xED, 0x0F, 0x1E, 0x57, 0x44, 0x52, 0xF1, 0x14, 0xF3, 0x76, 0xFD, 0xEF, 0x99, 0xD2, 
	0x71, 0x57, 0x21, 0x9A, 0xD9, 0x72, 0xB2, 0x48, 0x6D, 0xE3, 0x24, 0x0F, 0xAF, 0x52, 0xD5, 0xD6, 
	0xE9, 0x04, 0x8C, 0x33, 0xFE, 0x97, 0xE2, 0x95, 0x1D, 0x5F, 0x25, 0xFF, 0xF2, 0x49, 0xC0, 0xA9, 
	0x9E, 0xC7, 0x1E, 0x83, 0xDE, 0xCC, 0x5F, 0x48, 0x40, 0x01, 0xB9, 0x22, 0x40, 0xDD, 0xCA, 0x05, 
	0x96, 0x34, 0xD8, 0xD0, 0x92, 0x7F, 0x50, 0xBA, 0x1C, 0x56, 0xB7, 0x27, 0xA0, 0x10, 0x6C, 0xAD, 
	0x6D, 0xC8, 0xF7, 0x74, 0x79, 0x29, 0x2D, 0xA7, 0x8C, 0x16, 0xE9, 0xB1, 0x98, 0xAC, 0x0B, 0x2F, 
	0x69, 0x4B, 0x4F, 0xAB, 0x7C, 0xC0, 0xA2, 0x9C, 0x5D, 0x85, 0xC7, 0x4E, 0x4C, 0xF6, 0xBA, 0x97, 
	0x2C, 0xAA, 0x61, 0xA8, 0x8E, 0xF9, 0x80, 0x0F, 0x18, 0x35, 0xBF, 0xA8, 0x83, 0x17, 0x1C, 0x77, 
	0xED, 0x95, 0x2E, 0xB3, 0xB5, 0xF6, 0x54, 0x77, 0x6F, 0xF3, 0x44, 0xF2, 0x56, 0x53, 0x4D, 0x56, 
	0xD4, 0xE3, 0x85, 0x72, 0x43, 0x8E, 0xFF, 0x92, 0x1C, 0x0A, 0xAC, 0x35, 0x42, 0x1F, 0xF6, 0x48, 
	0x71, 0x81, 0x1F, 0xF1, 0xED, 0xAD, 0xF4, 0x08, 0xA8, 0x26, 0x2D, 0x53, 0xD5, 0x7D, 0x6B, 0xA5, 
	0xAF, 0x57, 0x49, 0x8B, 0x50, 0x86, 0xAB, 0xBF, 0x6E, 0x49, 0x3B, 0xFF, 0xF2, 0x3B, 0xC0, 0x57, 
	0xEE, 0xCE, 0x17, 0xF1, 0x12, 0xDC, 0x7F, 0x86, 0x40, 0x00, 0x20, 0xD0, 0x81, 0x09, 0x09, 0xA5, 
	0xDA, 0x3B, 0x8F, 0x33, 0x83, 0x04, 0xE5, 0x70, 0xFD, 0xD6, 0x33, 0xDC, 0xD9, 0x89, 0xA0, 0x32, 
	0x4D, 0x50, 0x76, 0x33, 0x3C, 0xB5, 0x52, 0x75, 0x84, 0x1A, 0x29, 0x97, 0xAA, 0x59, 0x82, 0x5A, 
	0x07, 0xC3, 0x64, 0x7B, 0x97, 0xCC, 0x5B, 0xF7, 0x48, 0xC6, 0xFB, 0xFD, 0x54, 0xCF, 0xB3, 0x6E, 
	0xEF, 0xEA, 0xD6, 0x47, 0xFD, 0x14, 0x71, 0xFF, 0x69, 0x4A, 0x71, 0x0B, 0x36, 0xBD, 0xF0, 0x93, 
	0x7F, 0xB3, 0xBB, 0x8B, 0xFF, 0xFF, 0xF6, 0xDB, 0x7A, 0x5B, 0xE8, 0xF5, 0xFD, 0xFB, 0x14, 0xA2, 
	0x8D, 0xDB, 0xE5, 0x89, 0x33, 0xBB, 0x44, 0x4A, 0xFF, 0xF2, 0x49, 0xC0, 0x4D, 0xA4, 0xCC, 0x19, 
	0xA2, 0x16, 0xD5, 0x77, 0xCF, 0x50, 0x00, 0xEE, 0x90, 0x16, 0xB9, 0x35, 0x06, 0x5A, 0x30, 0xE0, 
	0xF5, 0x99, 0xAA, 0xEF, 0xE3, 0xB6, 0x9B, 0x13, 0x40, 0xFC, 0x41, 0x1F, 0x4C, 0x8D, 0x03, 0xC5, 
	0x40, 0x36, 0x6C, 0x5F, 0xE6, 0x7E, 0x71, 0x63, 0x59, 0xD1, 0x04, 0x18, 0x22, 0x69, 0xB3, 0xA5, 
	0x79, 0x75, 0xA9, 0x19, 0x8C, 0x93, 0xD2, 0x8A, 0x48, 0x24, 0x7D, 0x15, 0xCB, 0x82, 0x14, 0x37, 
	0x88, 0x54, 0x5F, 0xFC, 0xC0, 0xFB, 0xF7, 0xD7, 0xA9, 0x16, 0x57, 0x29, 0x3F, 0xDD, 0xBF, 0xD0, 
	0xC8, 0xFE, 0xDD, 0x80, 0x03, 0x3A, 0xA5, 0x77, 0xD0, 0x08, 0x1E, 0x4F, 0xE8, 0xA2, 0x62, 0xC2, 
	0x46, 0x37, 0xFF, 0xFE, 0xFA, 0xE5, 0xFA, 0xF4, 0x24, 0xAD, 0xD4, 0xFC, 0xF2, 0xD2, 0x47, 0xA7, 
	0x46, 0x75, 0x65, 0x4D, 0x55, 0xB6, 0x34, 0xAE, 0xDF, 0x52, 0x19, 0x8C, 0xEF, 0x91, 0x1B, 0x9E, 
	0x8C, 0xC8, 0xC7, 0x3A, 0x52, 0x1F, 0x25, 0xAB, 0xFF, 0xF2, 0x3B, 0xC0, 0x5E, 0x85, 0xE6, 0x1B, 
	0xA3, 0x56, 0xCD, 0x96, 0x7B, 0x4A, 0xD8, 0xF6, 0xE4, 0x8B, 0xA4, 0x7D, 0x55, 0x0B, 0x55, 0x2B, 
	0x9A, 0x61, 0x7E, 0x50, 0x83, 0x3B, 0x87, 0xDD, 0x88, 0xA7, 0x22, 0x59, 0x74, 0xDC, 0x41, 0x80, 
	0xCF, 0x36, 0x36, 0x7A, 0x97, 0x3F, 0xBA, 0x22, 0x20, 0x94, 0x4C, 0x96, 0x74, 0x11, 0x36, 0x43, 
	0x49, 0x22, 0x1A, 0x96, 0xCD, 0xFB, 0x5A, 0xFF, 0xF5, 0x2F, 0xF3, 0x6B, 0xDF, 0x4F, 0xFA, 0xBA, 
	0xBE, 0xCA, 0x9C, 0xE0, 0x84, 0x93, 0x23, 0xD7, 0xCE, 0x89, 0xDD, 0xAD, 0x7F, 0x71, 0xD0, 0x91, 
	0x1B, 0xFF, 0xFF, 0xB6, 0x6C, 0xC5, 0xAD, 0x3F, 0x5F, 0x75, 0xAD, 0x91, 0x47, 0x4F, 0x74, 0x5F, 
	0xF1, 0xE2, 0x0C, 0x94, 0xED, 0xFF, 0xF2, 0x49, 0xC0, 0x73, 0x7B, 0xD5, 0x1D, 0x44, 0x16, 0xCC, 
	0xF6, 0x5B, 0x4A, 0xD8, 0xA1, 0x42, 0x0A, 0x8C, 0x9F, 0xA1, 0xB5, 0xFF, 0xCF, 0x26, 0x65, 0x57, 
	0xAC, 0x10, 0x91, 0xAE, 0x6D, 0xB9, 0x24, 0x91, 0xCA, 0x84, 0xCA, 0x9A, 0x4A, 0xF4, 0x8B, 0x8E, 
	0xDB, 0xB7, 0x83, 0x6F, 0x6B, 0x13, 0x76, 0x9F, 0x68, 0xEA, 0x1D, 0x94, 0x81, 0xFC, 0x93, 0x51, 
	0xFA, 0x29, 0x2D, 0x90, 0x72, 0xA0, 0x32, 0x00, 0x70, 0x9E, 0x2F, 0x12, 0xA9, 0x9D, 0x62, 0xEB, 
	0xA9, 0x34, 0x96, 0x5D, 0x7A, 0x2D, 0xFA, 0xD4, 0x91, 0x77, 0xFF, 0xBB, 0xB7, 0x77, 0xF5, 0xA7, 
	0xFF, 0xD1, 0x59, 0x0E, 0x49, 0xAC, 0xCD, 0xA8, 0x4C, 0x27, 0x4E, 0xC7, 0x6E, 0xB2, 0x05, 0xFF, 
	0x57, 0x63, 0xDD, 0xBF, 0xFB, 0x7F, 0x7F, 0x46, 0xFF, 0xCF, 0x74, 0xCF, 0xB6, 0xD9, 0xA7, 0x56, 
	0xDF, 0xC8, 0x15, 0xBF, 0x7D, 0x8C, 0x3D, 0x93, 0x4F, 0xB9, 0x1B, 0xAF, 0x5F, 0x36, 0x46, 0x73, 
	0x6B, 0xFC, 0xA3, 0x3F, 0x08, 0xFF, 0xF2, 0x3B, 0xC0, 0xD7, 0x4B, 0xE1, 0x1B, 0x83, 0xEA, 0xC8, 
	0x56, 0x63, 0x4E, 0xD8, 0x5A, 0xAF, 0xDC, 0x92, 0x4F, 0x52, 0x67, 0x59, 0x1F, 0xEC, 0xF5, 0xAD, 
	0x66, 0xD2, 0xF8, 0x89, 0xB7, 0x33, 0xCD, 0x97, 0x5A, 0xDB, 0x4A, 0x44, 0x42, 0xE1, 0xD0, 0x59, 
	0x19, 0x33, 0xDA, 0xA5, 0xD0, 0x25, 0x8D, 0x81, 0xDA, 0x99, 0x3D, 0xD2, 0x3A, 0x66, 0xE9, 0xEB, 
	0x51, 0xA3, 0x56, 0xEA, 0xFA, 0xB5, 0xFF, 0xF4, 0x59, 0x57, 0x4C, 0xC5, 0xB7, 0xE8, 0x4F, 0xFA, 
	0x5C, 0xB4, 0x74, 0xE0, 0xC5, 0x05, 0xF4, 0xB3, 0xA9, 0x10, 0xCA, 0xE9, 0xFE, 0xAA, 0x9F, 0x4F, 

};
//user file
typedef struct __user_decoder {
    u32 file_size;  //文件大小
    u32 read_prt;   //读位置

    volatile u32 rec_prt_start; //缓存开始位置
    volatile u32 rec_prt_end;   //缓存结束位置

    u32 rec_prt;
    u32 rec_file_prt;        //当前接收缓存的位置
    u8 st;              //是否接收缓存
    volatile bool need_data_pause_flag;
    volatile bool play_buff_choice;   //0表示播放选BUFF0  接收选BUFF1第一次除外
    bool first_rec_data;
}_USER_DEC;
_USER_DEC uart_decoder ;

bool decoder_start(void)
{

    bool ret               = FALSE;

    uart_decoder.file_size = 0xffffffff;

    MUSIC_DECODER *obj     = NULL;


    obj = music_decoder_creat();

    if (obj == NULL)
    {

        printf("fail\n");
        return ret;
    }

    sound_automute_set(0, -1, -1, -1); // 关自动mute

    dac_mute(0, 1);
    decoder_hdl = obj;


    AUDIO_STREAM_PARAM stream_param;
    stream_param.ef = AUDIO_EFFECT_NULL;
    stream_param.ch = 2;
    stream_param.sr = SR44100;

    music_decoder_set_output(obj, audio_stream_init(&stream_param, NULL));
    music_decoder_set_file_interface(obj,(AUDIO_FILE *)&player_interface,(void *)&uart_decoder/*使用者主注册的file_io的私有属性*/);

    music_decoder_set_err_deal_interface(obj, decoder_err_deal, NULL); ///暂不处理错误
    decoder_set_configs(obj);

    tbool err = music_decoder_play(obj, NULL);

    if (err == MUSIC_DECODER_ERR_NONE)
    {
        printf(" codec start! \n");
        ret = TRUE;

    }
    return ret;

}


static void decoder_err_deal(void *priv, u32 err)
{
    u32 msg;

    if (err) {

        switch (err) {
        case MAD_ERROR_FILE_END://file end
     
            msg = SYS_EVENT_DEC_END;
         //   uart_cmd_send(SEND_CMD_PLAY_END);
            break;
       // case MAD_ERROR_SYNC_LIMIT:// 文件错误 */
        //    break;
        case MAD_ERROR_FF_FR_FILE_END://快进结束 */
            msg = SYS_EVENT_DEC_FF_END;
            break;
        case MAD_ERROR_FF_FR_FILE_START://快退结束 */
            msg = SYS_EVENT_DEC_FR_END;
            break;
        case MAD_ERROR_NODATA:
            msg = SYS_EVENT_DEC_END;
            break;
        default:
            msg = SYS_EVENT_DEC_END;
            break;
        }

  
    printf("error%x\n", err);

    }
}

static u32 data_read(_USER_DEC *p_f, u8 _xdata *buff, u16 len)
{
    len = sizeof(music_data); //512
    memcpy(buff, music_data, len);
    return len;
}

static u32 data_seek(_USER_DEC *p_f, u8 type, u32 offsize)
{
    return 0;
}
static u32 data_get_size(void *priv)
{
    return uart_decoder.file_size;
}


static const AUDIO_FILE player_interface = {
    .seek = NULL,
    .read = (void *)data_read,
    .get_size = data_get_size,
};

杰理原厂提供的包没有解码原型的接口，所以自己摸索了一番，记录下来，decoder_err_deal为解码器出错处理，data_read为读回调函数，只要往里面一直填数据，并返回相应的长度，就可以播放了。接口是没有问题的，调试了几个案子。以上会不断重复播放雨夜的浪漫这首歌。。