G711Codec.h:44:1：构建错误：未知类型名称“类”； 您指的是 'Class' 吗?

Question

want to add some Camera SDK in my swift project.. but cant solve this error..

libAndHeaders/MediaPlayer/G711Codec.h:42:1: error build: unknown type name 'class'; did you mean 'Class'?

maybe this is cpp header file or some other file. when i include this in my Objectice-c header file then it gives me this err..

/*
    G711解码库
*/

#ifndef _G711_CODEC_H_
#define _G711_CODEC_H_



#define word16 short
#define word32 int

#define Word16 short
#define Word32 int

#define HI_VOICE_MAX_FRAME_SIZE       (480+1)    /* dont change it */

#define BIAS        (0x84)      /* Bias for linear code. */
#define CLIP         8159

#define SIGN_BIT    (0x80)      /* Sign bit for a A-law byte. */
#define QUANT_MASK  (0xf)       /* Quantization field mask. */
#define NSEGS       (8)     /* Number of A-law segments. */
#define SEG_SHIFT   (4)     /* Left shift for segment number. */
#define SEG_MASK    (0x70)      /* Segment field mask. */

static int seg_aend[8] = {0x1F, 0x3F, 0x7F, 0xFF,
    0x1FF, 0x3FF, 0x7FF, 0xFFF};
static int seg_uend[8] = {0x3F, 0x7F, 0xFF, 0x1FF,
    0x3FF, 0x7FF, 0xFFF, 0x1FFF};

/* HISI_VOICE codec type */

/* Real-time transport protocol(RTP) */
#define G711_A                        0x01  /* 64kbps G.711 A, see RFC3551.txt  4.5.14 PCMA */
#define G711_U                        0x02  /* 64kbps G.711 U, see RFC3551.txt  4.5.14 PCMU */
#define G711_ORG_A                    0x41  /* original version 64kbps G.711 A */
#define G711_ORG_U                    0x42  /* original version 64kbps G.711 U */

typedef int (*G711_Decoder)(int sample);

class G711Codec 
{

check this screenshot

Answer 1

Yes, it´sa c++ header. You can mix obj-c and c++ if you need to (such source files need to have.mm extension, so that the compiler recognizes them), but probably you can choose another (obj-c) framework for what you need.