1 #ifndef _MMREG_H

     2 #define _MMREG_H

     3 #if __GNUC__ >= 3

     4 #pragma GCC system_header

     5 #endif

     6 

     7 #ifndef _MMSYSTEM_H

     8 #include <mmsystem.h>

     9 #endif

    10 

    11 #ifdef __cplusplus

    12 extern "C" {

    13 #endif

    14 

    15 /*--- DirectShow Reference - DirectShow Structures */

    16 typedef struct mpeg1waveformat_tag {

    17 	WAVEFORMATEX wfx;

    18 	WORD fwHeadLayer;

    19 	DWORD dwHeadBitrate;

    20 	WORD fwHeadMode;

    21 	WORD fwHeadModeExt;

    22 	WORD wHeadEmphasis;

    23 	WORD fwHeadFlags;

    24 	DWORD dwPTSLow;

    25 	DWORD dwPTSHigh;

    26 } MPEG1WAVEFORMAT;

    27 #define ACM_MPEG_LAYER1 0x0001

    28 #define ACM_MPEG_LAYER2 0x0002

    29 #define ACM_MPEG_LAYER3 0x0004

    30 #define ACM_MPEG_STEREO 0x0001

    31 #define ACM_MPEG_JOINTSTEREO 0x0002

    32 #define ACM_MPEG_DUALCHANNEL 0x0004

    33 #define ACM_MPEG_SINGLECHANNEL 0x0008

    34 #define ACM_MPEG_PRIVATEBIT 0x0001

    35 #define ACM_MPEG_COPYRIGHT 0x0002

    36 #define ACM_MPEG_ORIGINALHOME 0x0004

    37 #define ACM_MPEG_PROTECTIONBIT 0x0008

    38 #define ACM_MPEG_ID_MPEG1 0x0010

    39 typedef struct {

    40 	WAVEFORMATEX Format;

    41 	union {

    42 		WORD wValidBitsPerSample;

    43 		WORD wSamplesPerBlock;

    44 		WORD wReserved;

    45 	} Samples;

    46 	DWORD dwChannelMask; 

    47 	GUID SubFormat;

    48 } WAVEFORMATEXTENSIBLE,*PWAVEFORMATEXTENSIBLE;

    49 #define SPEAKER_FRONT_LEFT 0x1

    50 #define SPEAKER_FRONT_RIGHT 0x2

    51 #define SPEAKER_FRONT_CENTER 0x4

    52 #define SPEAKER_LOW_FREQUENCY 0x8

    53 #define SPEAKER_BACK_LEFT 0x10

    54 #define SPEAKER_BACK_RIGHT 0x20

    55 #define SPEAKER_FRONT_LEFT_OF_CENTER 0x40

    56 #define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80

    57 #define SPEAKER_BACK_CENTER 0x100

    58 #define SPEAKER_SIDE_LEFT 0x200

    59 #define SPEAKER_SIDE_RIGHT 0x400

    60 #define SPEAKER_TOP_CENTER 0x800

    61 #define SPEAKER_TOP_FRONT_LEFT 	0x1000

    62 #define SPEAKER_TOP_FRONT_CENTER 0x2000

    63 #define SPEAKER_TOP_FRONT_RIGHT 0x4000

    64 #define SPEAKER_TOP_BACK_LEFT 0x8000

    65 #define SPEAKER_TOP_BACK_CENTER 0x10000

    66 #define SPEAKER_TOP_BACK_RIGHT 0x20000

    67 

    68 #ifdef __cplusplus

    69 }

    70 #endif

    71 #endif