76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
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#ifndef MtAACEncoder_API_H
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#define MtAACEncoder_API_H
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#ifdef _WIN32
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#define Mt_API __declspec(dllexport)
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#define Mt_APICALL __stdcall
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#else
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#define Mt_API
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#define Mt_APICALL
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#endif
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#define Mt_Handle void*
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#define MtAACEncoder_Handle void*
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///* Audio Codec */
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enum Law
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{
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Law_ULaw = 0, /**< U law */
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Law_ALaw = 1, /**< A law */
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Law_PCM16 = 2, /**< 16 bit uniform PCM values. 原始 pcm 数据 */
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Law_G726 = 3 /**< G726 */
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};
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///* Rate Bits */
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enum Rate
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{
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Rate16kBits=2, /**< 16k bits per second (2 bits per ADPCM sample) */
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Rate24kBits=3, /**< 24k bits per second (3 bits per ADPCM sample) */
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Rate32kBits=4, /**< 32k bits per second (4 bits per ADPCM sample) */
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Rate40kBits=5 /**< 40k bits per second (5 bits per ADPCM sample) */
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};
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typedef struct _g711param
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{
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;
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}G711Param;
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typedef struct _g726param
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{
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unsigned char ucRateBits;//Rate16kBits Rate24kBits Rate32kBits Rate40kBits
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}G726Param;
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typedef struct _initParam
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{
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unsigned char ucAudioCodec; // Law_uLaw Law_ALaw Law_PCM16 Law_G726
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unsigned char ucAudioChannel; //1
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unsigned int u32AudioSamplerate; //8000
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unsigned int u32PCMBitSize; //16
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union
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{
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G711Param g711param;
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G726Param g726param;
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};
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}InitParam;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* 创建AAC Encoder 返回为句柄值 */
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Mt_API MtAACEncoder_Handle Mt_APICALL Mt_AACEncoder_Init(InitParam initPar);
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/* 输入编码数据，返回编码后数据 */
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Mt_API int Mt_APICALL Mt_AACEncoder_Encode(MtAACEncoder_Handle handle, unsigned char* inbuf, unsigned int inlen, unsigned char* outbuf, unsigned int* outlen);
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/* 释放AAC Encoder */
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Mt_API void Mt_APICALL Mt_AACEncoder_Release(MtAACEncoder_Handle handle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MtAACEncoder_API_H */
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