191 lines
4.3 KiB
C
191 lines
4.3 KiB
C
/////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Module: rdpsndp.h
|
|
//
|
|
// Purpose: Sound redirection protocol description
|
|
//
|
|
// Copyright(C) Microsoft Corporation 2000
|
|
//
|
|
// History: 4-10-2000 vladimis [created]
|
|
//
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _VCSND_H
|
|
#define _VCSND_H
|
|
|
|
#ifdef _WIN32
|
|
#include <pshpack1.h>
|
|
#else
|
|
#ifndef RC_INVOKED
|
|
#pragma pack(1)
|
|
#endif
|
|
#endif
|
|
|
|
#define RDPSND_PROTOCOL_VERSION 0x0005
|
|
|
|
#define _SNDVC_NAME "RDPSND"
|
|
|
|
#define DEFAULT_VC_TIMEOUT 30000
|
|
|
|
// Device capabilities
|
|
//
|
|
#define TSSNDCAPS_ALIVE 1
|
|
#define TSSNDCAPS_VOLUME 2
|
|
#define TSSNDCAPS_PITCH 4
|
|
#define TSSNDCAPS_INITIALIZED 0x40000000
|
|
#define TSSNDCAPS_TERMINATED 0x80000000
|
|
|
|
// the block size must be bigger than the biggest
|
|
// aligned block after acm conversion
|
|
// for example, Mobile Voice (WAVE_FORMAT_CU_CODEC) format
|
|
// requres more than 4096
|
|
// samples per block
|
|
//
|
|
#define TSSND_BLOCKSIZE ( 8192 * TSSND_NATIVE_BLOCKALIGN )
|
|
#define TSSND_BLOCKSONTHENET 4
|
|
|
|
#define TSSND_NATIVE_BITSPERSAMPLE 16
|
|
#define TSSND_NATIVE_CHANNELS 2
|
|
#define TSSND_NATIVE_SAMPLERATE 22050
|
|
#define TSSND_NATIVE_BLOCKALIGN ((TSSND_NATIVE_BITSPERSAMPLE * \
|
|
TSSND_NATIVE_CHANNELS) / 8)
|
|
#define TSSND_NATIVE_AVGBYTESPERSEC (TSSND_NATIVE_BLOCKALIGN * \
|
|
TSSND_NATIVE_SAMPLERATE)
|
|
|
|
#define RANDOM_KEY_LENGTH 32
|
|
#define RDPSND_SIGNATURE_SIZE 8
|
|
|
|
#define IsDGramWaveSigned( _version_ ) ( _version_ >= 3 )
|
|
#define CanUDPFragment( _version_ ) ( _version_ >= 4 )
|
|
#define IsDGramWaveAudioSigned( _version_ ) ( _version_ >= 5 )
|
|
|
|
// Commands/Responses
|
|
//
|
|
enum {
|
|
SNDC_NONE,
|
|
SNDC_CLOSE,
|
|
SNDC_WAVE,
|
|
SNDC_SETVOLUME,
|
|
SNDC_SETPITCH,
|
|
SNDC_WAVECONFIRM,
|
|
SNDC_TRAINING,
|
|
SNDC_FORMATS,
|
|
SNDC_CRYPTKEY,
|
|
SNDC_WAVEENCRYPT,
|
|
SNDC_UDPWAVE,
|
|
SNDC_UDPWAVELAST
|
|
};
|
|
|
|
typedef struct {
|
|
BYTE Type;
|
|
BYTE bPad;
|
|
UINT16 BodySize;
|
|
// BYTE Body[0];
|
|
} SNDPROLOG, *PSNDPROLOG;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT32 dwVolume;
|
|
} SNDSETVOLUME, *PSNDSETVOLUME;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT32 dwPitch;
|
|
} SNDSETPITCH, *PSNDSETPITCH;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT16 wTimeStamp;
|
|
UINT16 wFormatNo;
|
|
union {
|
|
BYTE cBlockNo;
|
|
DWORD dwBlockNo;
|
|
};
|
|
// BYTE Wave[0];
|
|
} SNDWAVE, *PSNDWAVE;
|
|
|
|
#define RDPSND_FRAGNO_EXT 0x80
|
|
#define RDPSND_MIN_FRAG_SIZE 0x80
|
|
typedef struct {
|
|
BYTE Type;
|
|
BYTE cBlockNo;
|
|
BYTE cFragNo;
|
|
//
|
|
// if RDPSND_FRAGNO_EXT is set
|
|
// there will be another byte for the low bits of the frag no
|
|
// BYTE Wave[0];
|
|
} SNDUDPWAVE, *PSNDUDPWAVE;
|
|
|
|
typedef struct {
|
|
BYTE Type;
|
|
UINT16 wTotalSize;
|
|
UINT16 wTimeStamp;
|
|
UINT16 wFormatNo;
|
|
union {
|
|
BYTE cBlockNo;
|
|
DWORD dwBlockNo;
|
|
};
|
|
// BYTE Wave[0];
|
|
} SNDUDPWAVELAST, *PSNDUDPWAVELAST;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT16 wTimeStamp;
|
|
BYTE cConfirmedBlockNo;
|
|
BYTE bPad;
|
|
} SNDWAVECONFIRM, *PSNDWAVECONFIRM;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT16 wTimeStamp;
|
|
UINT16 wPackSize;
|
|
} SNDTRAINING, *PSNDTRAINING;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT16 wTimeStamp;
|
|
UINT16 wVersion;
|
|
} SNDVERSION, *PSNDVERSION;
|
|
|
|
typedef struct {
|
|
UINT16 wFormatTag;
|
|
UINT16 nChannels;
|
|
UINT32 nSamplesPerSec;
|
|
UINT32 nAvgBytesPerSec;
|
|
UINT16 nBlockAlign;
|
|
UINT16 wBitsPerSample;
|
|
UINT16 cbSize;
|
|
//
|
|
// extra fomat info
|
|
//
|
|
} SNDFORMATITEM, *PSNDFORMATITEM;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
UINT32 dwFlags;
|
|
UINT32 dwVolume;
|
|
UINT32 dwPitch;
|
|
UINT16 wDGramPort;
|
|
UINT16 wNumberOfFormats;
|
|
BYTE cLastBlockConfirmed;
|
|
UINT16 wVersion;
|
|
BYTE bPad;
|
|
// SNDFORMATITEM pSndFmt[0];
|
|
} SNDFORMATMSG, *PSNDFORMATMSG;
|
|
|
|
typedef struct {
|
|
SNDPROLOG Prolog;
|
|
DWORD Reserved;
|
|
BYTE Seed[RANDOM_KEY_LENGTH];
|
|
} SNDCRYPTKEY, *PSNDCRYPTKEY;
|
|
|
|
#ifdef _WIN32
|
|
#include <poppack.h>
|
|
#else
|
|
#ifndef RC_INVOKED
|
|
#pragma pack()
|
|
#endif
|
|
#endif
|
|
|
|
#endif // !_VCSND_H
|