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@@ -265,7 +265,7 @@ HWAVE :: distinct HANDLE
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HWAVEIN :: distinct HANDLE
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HWAVEOUT :: distinct HANDLE
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-LPHWAVEIN :: ^HWAVEIN
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+LPHWAVEIN :: ^HWAVEIN
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LPHWAVEOUT :: ^HWAVEOUT
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// https://learn.microsoft.com/en-us/windows/win32/multimedia/multimedia-timer-structures
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@@ -311,9 +311,284 @@ MAXPNAMELEN :: 32
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MAXERRORLENGTH :: 256
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MMVERSION :: UINT
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+// Input is four characters string
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+// Output is little-endian u32 representation
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+MAKEFOURCC :: #force_inline proc "contextless" (s: [4]BYTE) -> DWORD {
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+ return (DWORD(s[0])) | (DWORD(s[1]) << 8) | (DWORD(s[2]) << 16) | (DWORD(s[3]) << 24 )
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+}
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+
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/* flags for wFormatTag field of WAVEFORMAT */
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WAVE_FORMAT_PCM :: 1
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+WAVE_FORMAT_UNKNOWN :: 0x0000 /* Microsoft Corporation */
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+WAVE_FORMAT_ADPCM :: 0x0002 /* Microsoft Corporation */
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+WAVE_FORMAT_IEEE_FLOAT :: 0x0003 /* Microsoft Corporation */
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+WAVE_FORMAT_VSELP :: 0x0004 /* Compaq Computer Corp. */
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+WAVE_FORMAT_IBM_CVSD :: 0x0005 /* IBM Corporation */
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+WAVE_FORMAT_ALAW :: 0x0006 /* Microsoft Corporation */
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+WAVE_FORMAT_MULAW :: 0x0007 /* Microsoft Corporation */
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+WAVE_FORMAT_DTS :: 0x0008 /* Microsoft Corporation */
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+WAVE_FORMAT_DRM :: 0x0009 /* Microsoft Corporation */
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+WAVE_FORMAT_WMAVOICE9 :: 0x000A /* Microsoft Corporation */
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+WAVE_FORMAT_WMAVOICE10 :: 0x000B /* Microsoft Corporation */
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+WAVE_FORMAT_OKI_ADPCM :: 0x0010 /* OKI */
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+WAVE_FORMAT_DVI_ADPCM :: 0x0011 /* Intel Corporation */
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+WAVE_FORMAT_IMA_ADPCM :: WAVE_FORMAT_DVI_ADPCM /* Intel Corporation */
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+WAVE_FORMAT_MEDIASPACE_ADPCM :: 0x0012 /* Videologic */
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+WAVE_FORMAT_SIERRA_ADPCM :: 0x0013 /* Sierra Semiconductor Corp */
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+WAVE_FORMAT_G723_ADPCM :: 0x0014 /* Antex Electronics Corporation */
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+WAVE_FORMAT_DIGISTD :: 0x0015 /* DSP Solutions, Inc. */
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+WAVE_FORMAT_DIGIFIX :: 0x0016 /* DSP Solutions, Inc. */
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+WAVE_FORMAT_DIALOGIC_OKI_ADPCM :: 0x0017 /* Dialogic Corporation */
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+WAVE_FORMAT_MEDIAVISION_ADPCM :: 0x0018 /* Media Vision, Inc. */
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+WAVE_FORMAT_CU_CODEC :: 0x0019 /* Hewlett-Packard Company */
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+WAVE_FORMAT_HP_DYN_VOICE :: 0x001A /* Hewlett-Packard Company */
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+WAVE_FORMAT_YAMAHA_ADPCM :: 0x0020 /* Yamaha Corporation of America */
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+WAVE_FORMAT_SONARC :: 0x0021 /* Speech Compression */
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+WAVE_FORMAT_DSPGROUP_TRUESPEECH :: 0x0022 /* DSP Group, Inc */
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+WAVE_FORMAT_ECHOSC1 :: 0x0023 /* Echo Speech Corporation */
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+WAVE_FORMAT_AUDIOFILE_AF36 :: 0x0024 /* Virtual Music, Inc. */
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+WAVE_FORMAT_APTX :: 0x0025 /* Audio Processing Technology */
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+WAVE_FORMAT_AUDIOFILE_AF10 :: 0x0026 /* Virtual Music, Inc. */
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+WAVE_FORMAT_PROSODY_1612 :: 0x0027 /* Aculab plc */
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+WAVE_FORMAT_LRC :: 0x0028 /* Merging Technologies S.A. */
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+WAVE_FORMAT_DOLBY_AC2 :: 0x0030 /* Dolby Laboratories */
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+WAVE_FORMAT_GSM610 :: 0x0031 /* Microsoft Corporation */
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+WAVE_FORMAT_MSNAUDIO :: 0x0032 /* Microsoft Corporation */
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+WAVE_FORMAT_ANTEX_ADPCME :: 0x0033 /* Antex Electronics Corporation */
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+WAVE_FORMAT_CONTROL_RES_VQLPC :: 0x0034 /* Control Resources Limited */
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+WAVE_FORMAT_DIGIREAL :: 0x0035 /* DSP Solutions, Inc. */
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+WAVE_FORMAT_DIGIADPCM :: 0x0036 /* DSP Solutions, Inc. */
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+WAVE_FORMAT_CONTROL_RES_CR10 :: 0x0037 /* Control Resources Limited */
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+WAVE_FORMAT_NMS_VBXADPCM :: 0x0038 /* Natural MicroSystems */
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+WAVE_FORMAT_CS_IMAADPCM :: 0x0039 /* Crystal Semiconductor IMA ADPCM */
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+WAVE_FORMAT_ECHOSC3 :: 0x003A /* Echo Speech Corporation */
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+WAVE_FORMAT_ROCKWELL_ADPCM :: 0x003B /* Rockwell International */
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+WAVE_FORMAT_ROCKWELL_DIGITALK :: 0x003C /* Rockwell International */
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+WAVE_FORMAT_XEBEC :: 0x003D /* Xebec Multimedia Solutions Limited */
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+WAVE_FORMAT_G721_ADPCM :: 0x0040 /* Antex Electronics Corporation */
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+WAVE_FORMAT_G728_CELP :: 0x0041 /* Antex Electronics Corporation */
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+WAVE_FORMAT_MSG723 :: 0x0042 /* Microsoft Corporation */
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+WAVE_FORMAT_INTEL_G723_1 :: 0x0043 /* Intel Corp. */
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+WAVE_FORMAT_INTEL_G729 :: 0x0044 /* Intel Corp. */
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+WAVE_FORMAT_SHARP_G726 :: 0x0045 /* Sharp */
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+WAVE_FORMAT_MPEG :: 0x0050 /* Microsoft Corporation */
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+WAVE_FORMAT_RT24 :: 0x0052 /* InSoft, Inc. */
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+WAVE_FORMAT_PAC :: 0x0053 /* InSoft, Inc. */
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+WAVE_FORMAT_MPEGLAYER3 :: 0x0055 /* ISO/MPEG Layer3 Format Tag */
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+WAVE_FORMAT_LUCENT_G723 :: 0x0059 /* Lucent Technologies */
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+WAVE_FORMAT_CIRRUS :: 0x0060 /* Cirrus Logic */
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+WAVE_FORMAT_ESPCM :: 0x0061 /* ESS Technology */
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+WAVE_FORMAT_VOXWARE :: 0x0062 /* Voxware Inc */
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+WAVE_FORMAT_CANOPUS_ATRAC :: 0x0063 /* Canopus, co., Ltd. */
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+WAVE_FORMAT_G726_ADPCM :: 0x0064 /* APICOM */
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+WAVE_FORMAT_G722_ADPCM :: 0x0065 /* APICOM */
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+WAVE_FORMAT_DSAT :: 0x0066 /* Microsoft Corporation */
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+WAVE_FORMAT_DSAT_DISPLAY :: 0x0067 /* Microsoft Corporation */
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+WAVE_FORMAT_VOXWARE_BYTE_ALIGNED :: 0x0069 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_AC8 :: 0x0070 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_AC10 :: 0x0071 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_AC16 :: 0x0072 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_AC20 :: 0x0073 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_RT24 :: 0x0074 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_RT29 :: 0x0075 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_RT29HW :: 0x0076 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_VR12 :: 0x0077 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_VR18 :: 0x0078 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_TQ40 :: 0x0079 /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_SC3 :: 0x007A /* Voxware Inc */
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+WAVE_FORMAT_VOXWARE_SC3_1 :: 0x007B /* Voxware Inc */
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+WAVE_FORMAT_SOFTSOUND :: 0x0080 /* Softsound, Ltd. */
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+WAVE_FORMAT_VOXWARE_TQ60 :: 0x0081 /* Voxware Inc */
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+WAVE_FORMAT_MSRT24 :: 0x0082 /* Microsoft Corporation */
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+WAVE_FORMAT_G729A :: 0x0083 /* AT&T Labs, Inc. */
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+WAVE_FORMAT_MVI_MVI2 :: 0x0084 /* Motion Pixels */
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+WAVE_FORMAT_DF_G726 :: 0x0085 /* DataFusion Systems (Pty) (Ltd) */
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+WAVE_FORMAT_DF_GSM610 :: 0x0086 /* DataFusion Systems (Pty) (Ltd) */
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+WAVE_FORMAT_ISIAUDIO :: 0x0088 /* Iterated Systems, Inc. */
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+WAVE_FORMAT_ONLIVE :: 0x0089 /* OnLive! Technologies, Inc. */
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+WAVE_FORMAT_MULTITUDE_FT_SX20 :: 0x008A /* Multitude Inc. */
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+WAVE_FORMAT_INFOCOM_ITS_G721_ADPCM :: 0x008B /* Infocom */
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+WAVE_FORMAT_CONVEDIA_G729 :: 0x008C /* Convedia Corp. */
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+WAVE_FORMAT_CONGRUENCY :: 0x008D /* Congruency Inc. */
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+WAVE_FORMAT_SBC24 :: 0x0091 /* Siemens Business Communications Sys */
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+WAVE_FORMAT_DOLBY_AC3_SPDIF :: 0x0092 /* Sonic Foundry */
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+WAVE_FORMAT_MEDIASONIC_G723 :: 0x0093 /* MediaSonic */
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+WAVE_FORMAT_PROSODY_8KBPS :: 0x0094 /* Aculab plc */
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+WAVE_FORMAT_ZYXEL_ADPCM :: 0x0097 /* ZyXEL Communications, Inc. */
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+WAVE_FORMAT_PHILIPS_LPCBB :: 0x0098 /* Philips Speech Processing */
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+WAVE_FORMAT_PACKED :: 0x0099 /* Studer Professional Audio AG */
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+WAVE_FORMAT_MALDEN_PHONYTALK :: 0x00A0 /* Malden Electronics Ltd. */
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+WAVE_FORMAT_RACAL_RECORDER_GSM :: 0x00A1 /* Racal recorders */
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+WAVE_FORMAT_RACAL_RECORDER_G720_A :: 0x00A2 /* Racal recorders */
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+WAVE_FORMAT_RACAL_RECORDER_G723_1 :: 0x00A3 /* Racal recorders */
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+WAVE_FORMAT_RACAL_RECORDER_TETRA_ACELP :: 0x00A4 /* Racal recorders */
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+WAVE_FORMAT_NEC_AAC :: 0x00B0 /* NEC Corp. */
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+WAVE_FORMAT_RAW_AAC1 :: 0x00FF /* For Raw AAC, with format block AudioSpecificConfig() (as defined by MPEG-4), that follows WAVEFORMATEX */
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+WAVE_FORMAT_RHETOREX_ADPCM :: 0x0100 /* Rhetorex Inc. */
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+WAVE_FORMAT_IRAT :: 0x0101 /* BeCubed Software Inc. */
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+WAVE_FORMAT_VIVO_G723 :: 0x0111 /* Vivo Software */
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+WAVE_FORMAT_VIVO_SIREN :: 0x0112 /* Vivo Software */
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+WAVE_FORMAT_PHILIPS_CELP :: 0x0120 /* Philips Speech Processing */
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+WAVE_FORMAT_PHILIPS_GRUNDIG :: 0x0121 /* Philips Speech Processing */
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+WAVE_FORMAT_DIGITAL_G723 :: 0x0123 /* Digital Equipment Corporation */
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+WAVE_FORMAT_SANYO_LD_ADPCM :: 0x0125 /* Sanyo Electric Co., Ltd. */
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+WAVE_FORMAT_SIPROLAB_ACEPLNET :: 0x0130 /* Sipro Lab Telecom Inc. */
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+WAVE_FORMAT_SIPROLAB_ACELP4800 :: 0x0131 /* Sipro Lab Telecom Inc. */
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+WAVE_FORMAT_SIPROLAB_ACELP8V3 :: 0x0132 /* Sipro Lab Telecom Inc. */
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+WAVE_FORMAT_SIPROLAB_G729 :: 0x0133 /* Sipro Lab Telecom Inc. */
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+WAVE_FORMAT_SIPROLAB_G729A :: 0x0134 /* Sipro Lab Telecom Inc. */
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+WAVE_FORMAT_SIPROLAB_KELVIN :: 0x0135 /* Sipro Lab Telecom Inc. */
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+WAVE_FORMAT_VOICEAGE_AMR :: 0x0136 /* VoiceAge Corp. */
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+WAVE_FORMAT_G726ADPCM :: 0x0140 /* Dictaphone Corporation */
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+WAVE_FORMAT_DICTAPHONE_CELP68 :: 0x0141 /* Dictaphone Corporation */
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+WAVE_FORMAT_DICTAPHONE_CELP54 :: 0x0142 /* Dictaphone Corporation */
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+WAVE_FORMAT_QUALCOMM_PUREVOICE :: 0x0150 /* Qualcomm, Inc. */
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+WAVE_FORMAT_QUALCOMM_HALFRATE :: 0x0151 /* Qualcomm, Inc. */
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+WAVE_FORMAT_TUBGSM :: 0x0155 /* Ring Zero Systems, Inc. */
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+WAVE_FORMAT_MSAUDIO1 :: 0x0160 /* Microsoft Corporation */
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+WAVE_FORMAT_WMAUDIO2 :: 0x0161 /* Microsoft Corporation */
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+WAVE_FORMAT_WMAUDIO3 :: 0x0162 /* Microsoft Corporation */
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+WAVE_FORMAT_WMAUDIO_LOSSLESS :: 0x0163 /* Microsoft Corporation */
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+WAVE_FORMAT_WMASPDIF :: 0x0164 /* Microsoft Corporation */
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+WAVE_FORMAT_UNISYS_NAP_ADPCM :: 0x0170 /* Unisys Corp. */
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+WAVE_FORMAT_UNISYS_NAP_ULAW :: 0x0171 /* Unisys Corp. */
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+WAVE_FORMAT_UNISYS_NAP_ALAW :: 0x0172 /* Unisys Corp. */
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+WAVE_FORMAT_UNISYS_NAP_16K :: 0x0173 /* Unisys Corp. */
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+WAVE_FORMAT_SYCOM_ACM_SYC008 :: 0x0174 /* SyCom Technologies */
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+WAVE_FORMAT_SYCOM_ACM_SYC701_G726L :: 0x0175 /* SyCom Technologies */
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+WAVE_FORMAT_SYCOM_ACM_SYC701_CELP54 :: 0x0176 /* SyCom Technologies */
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+WAVE_FORMAT_SYCOM_ACM_SYC701_CELP68 :: 0x0177 /* SyCom Technologies */
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+WAVE_FORMAT_KNOWLEDGE_ADVENTURE_ADPCM :: 0x0178 /* Knowledge Adventure, Inc. */
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+WAVE_FORMAT_FRAUNHOFER_IIS_MPEG2_AAC :: 0x0180 /* Fraunhofer IIS */
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+WAVE_FORMAT_DTS_DS :: 0x0190 /* Digital Theatre Systems, Inc. */
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+WAVE_FORMAT_CREATIVE_ADPCM :: 0x0200 /* Creative Labs, Inc */
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+WAVE_FORMAT_CREATIVE_FASTSPEECH8 :: 0x0202 /* Creative Labs, Inc */
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+WAVE_FORMAT_CREATIVE_FASTSPEECH10 :: 0x0203 /* Creative Labs, Inc */
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+WAVE_FORMAT_UHER_ADPCM :: 0x0210 /* UHER informatic GmbH */
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+WAVE_FORMAT_ULEAD_DV_AUDIO :: 0x0215 /* Ulead Systems, Inc. */
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+WAVE_FORMAT_ULEAD_DV_AUDIO_1 :: 0x0216 /* Ulead Systems, Inc. */
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+WAVE_FORMAT_QUARTERDECK :: 0x0220 /* Quarterdeck Corporation */
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+WAVE_FORMAT_ILINK_VC :: 0x0230 /* I-link Worldwide */
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+WAVE_FORMAT_RAW_SPORT :: 0x0240 /* Aureal Semiconductor */
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+WAVE_FORMAT_ESST_AC3 :: 0x0241 /* ESS Technology, Inc. */
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+WAVE_FORMAT_GENERIC_PASSTHRU :: 0x0249
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+WAVE_FORMAT_IPI_HSX :: 0x0250 /* Interactive Products, Inc. */
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+WAVE_FORMAT_IPI_RPELP :: 0x0251 /* Interactive Products, Inc. */
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+WAVE_FORMAT_CS2 :: 0x0260 /* Consistent Software */
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+WAVE_FORMAT_SONY_SCX :: 0x0270 /* Sony Corp. */
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+WAVE_FORMAT_SONY_SCY :: 0x0271 /* Sony Corp. */
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+WAVE_FORMAT_SONY_ATRAC3 :: 0x0272 /* Sony Corp. */
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+WAVE_FORMAT_SONY_SPC :: 0x0273 /* Sony Corp. */
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+WAVE_FORMAT_TELUM_AUDIO :: 0x0280 /* Telum Inc. */
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+WAVE_FORMAT_TELUM_IA_AUDIO :: 0x0281 /* Telum Inc. */
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+WAVE_FORMAT_NORCOM_VOICE_SYSTEMS_ADPCM :: 0x0285 /* Norcom Electronics Corp. */
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+WAVE_FORMAT_FM_TOWNS_SND :: 0x0300 /* Fujitsu Corp. */
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+WAVE_FORMAT_MICRONAS :: 0x0350 /* Micronas Semiconductors, Inc. */
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+WAVE_FORMAT_MICRONAS_CELP833 :: 0x0351 /* Micronas Semiconductors, Inc. */
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+WAVE_FORMAT_BTV_DIGITAL :: 0x0400 /* Brooktree Corporation */
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+WAVE_FORMAT_INTEL_MUSIC_CODER :: 0x0401 /* Intel Corp. */
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+WAVE_FORMAT_INDEO_AUDIO :: 0x0402 /* Ligos */
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+WAVE_FORMAT_QDESIGN_MUSIC :: 0x0450 /* QDesign Corporation */
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+WAVE_FORMAT_ON2_VP7_AUDIO :: 0x0500 /* On2 Technologies */
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+WAVE_FORMAT_ON2_VP6_AUDIO :: 0x0501 /* On2 Technologies */
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+WAVE_FORMAT_VME_VMPCM :: 0x0680 /* AT&T Labs, Inc. */
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+WAVE_FORMAT_TPC :: 0x0681 /* AT&T Labs, Inc. */
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+WAVE_FORMAT_LIGHTWAVE_LOSSLESS :: 0x08AE /* Clearjump */
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+WAVE_FORMAT_OLIGSM :: 0x1000 /* Ing C. Olivetti & C., S.p.A. */
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+WAVE_FORMAT_OLIADPCM :: 0x1001 /* Ing C. Olivetti & C., S.p.A. */
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+WAVE_FORMAT_OLICELP :: 0x1002 /* Ing C. Olivetti & C., S.p.A. */
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+WAVE_FORMAT_OLISBC :: 0x1003 /* Ing C. Olivetti & C., S.p.A. */
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+WAVE_FORMAT_OLIOPR :: 0x1004 /* Ing C. Olivetti & C., S.p.A. */
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+WAVE_FORMAT_LH_CODEC :: 0x1100 /* Lernout & Hauspie */
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+WAVE_FORMAT_LH_CODEC_CELP :: 0x1101 /* Lernout & Hauspie */
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+WAVE_FORMAT_LH_CODEC_SBC8 :: 0x1102 /* Lernout & Hauspie */
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+WAVE_FORMAT_LH_CODEC_SBC12 :: 0x1103 /* Lernout & Hauspie */
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+WAVE_FORMAT_LH_CODEC_SBC16 :: 0x1104 /* Lernout & Hauspie */
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+WAVE_FORMAT_NORRIS :: 0x1400 /* Norris Communications, Inc. */
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+WAVE_FORMAT_ISIAUDIO_2 :: 0x1401 /* ISIAudio */
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+WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS :: 0x1500 /* AT&T Labs, Inc. */
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+WAVE_FORMAT_MPEG_ADTS_AAC :: 0x1600 /* Microsoft Corporation */
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+WAVE_FORMAT_MPEG_RAW_AAC :: 0x1601 /* Microsoft Corporation */
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+WAVE_FORMAT_MPEG_LOAS :: 0x1602 /* Microsoft Corporation (MPEG-4 Audio Transport Streams (LOAS/LATM) */
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+WAVE_FORMAT_NOKIA_MPEG_ADTS_AAC :: 0x1608 /* Microsoft Corporation */
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+WAVE_FORMAT_NOKIA_MPEG_RAW_AAC :: 0x1609 /* Microsoft Corporation */
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+WAVE_FORMAT_VODAFONE_MPEG_ADTS_AAC :: 0x160A /* Microsoft Corporation */
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+WAVE_FORMAT_VODAFONE_MPEG_RAW_AAC :: 0x160B /* Microsoft Corporation */
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+WAVE_FORMAT_MPEG_HEAAC :: 0x1610 /* Microsoft Corporation (MPEG-2 AAC or MPEG-4 HE-AAC v1/v2 streams with any payload (ADTS, ADIF, LOAS/LATM, RAW). Format block includes MP4 AudioSpecificConfig() -- see HEAACWAVEFORMAT below */
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+WAVE_FORMAT_VOXWARE_RT24_SPEECH :: 0x181C /* Voxware Inc. */
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+WAVE_FORMAT_SONICFOUNDRY_LOSSLESS :: 0x1971 /* Sonic Foundry */
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+WAVE_FORMAT_INNINGS_TELECOM_ADPCM :: 0x1979 /* Innings Telecom Inc. */
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+WAVE_FORMAT_LUCENT_SX8300P :: 0x1C07 /* Lucent Technologies */
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+WAVE_FORMAT_LUCENT_SX5363S :: 0x1C0C /* Lucent Technologies */
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+WAVE_FORMAT_CUSEEME :: 0x1F03 /* CUSeeMe */
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+WAVE_FORMAT_NTCSOFT_ALF2CM_ACM :: 0x1FC4 /* NTCSoft */
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+WAVE_FORMAT_DVM :: 0x2000 /* FAST Multimedia AG */
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+WAVE_FORMAT_DTS2 :: 0x2001
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+WAVE_FORMAT_MAKEAVIS :: 0x3313
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+WAVE_FORMAT_DIVIO_MPEG4_AAC :: 0x4143 /* Divio, Inc. */
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+WAVE_FORMAT_NOKIA_ADAPTIVE_MULTIRATE :: 0x4201 /* Nokia */
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+WAVE_FORMAT_DIVIO_G726 :: 0x4243 /* Divio, Inc. */
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+WAVE_FORMAT_LEAD_SPEECH :: 0x434C /* LEAD Technologies */
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+WAVE_FORMAT_LEAD_VORBIS :: 0x564C /* LEAD Technologies */
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+WAVE_FORMAT_WAVPACK_AUDIO :: 0x5756 /* xiph.org */
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+WAVE_FORMAT_ALAC :: 0x6C61 /* Apple Lossless */
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+WAVE_FORMAT_OGG_VORBIS_MODE_1 :: 0x674F /* Ogg Vorbis */
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+WAVE_FORMAT_OGG_VORBIS_MODE_2 :: 0x6750 /* Ogg Vorbis */
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+WAVE_FORMAT_OGG_VORBIS_MODE_3 :: 0x6751 /* Ogg Vorbis */
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+WAVE_FORMAT_OGG_VORBIS_MODE_1_PLUS :: 0x676F /* Ogg Vorbis */
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+WAVE_FORMAT_OGG_VORBIS_MODE_2_PLUS :: 0x6770 /* Ogg Vorbis */
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+WAVE_FORMAT_OGG_VORBIS_MODE_3_PLUS :: 0x6771 /* Ogg Vorbis */
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+WAVE_FORMAT_3COM_NBX :: 0x7000 /* 3COM Corp. */
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+WAVE_FORMAT_OPUS :: 0x704F /* Opus */
|
|
|
+WAVE_FORMAT_FAAD_AAC :: 0x706D
|
|
|
+WAVE_FORMAT_AMR_NB :: 0x7361 /* AMR Narrowband */
|
|
|
+WAVE_FORMAT_AMR_WB :: 0x7362 /* AMR Wideband */
|
|
|
+WAVE_FORMAT_AMR_WP :: 0x7363 /* AMR Wideband Plus */
|
|
|
+WAVE_FORMAT_GSM_AMR_CBR :: 0x7A21 /* GSMA/3GPP */
|
|
|
+WAVE_FORMAT_GSM_AMR_VBR_SID :: 0x7A22 /* GSMA/3GPP */
|
|
|
+WAVE_FORMAT_COMVERSE_INFOSYS_G723_1 :: 0xA100 /* Comverse Infosys */
|
|
|
+WAVE_FORMAT_COMVERSE_INFOSYS_AVQSBC :: 0xA101 /* Comverse Infosys */
|
|
|
+WAVE_FORMAT_COMVERSE_INFOSYS_SBC :: 0xA102 /* Comverse Infosys */
|
|
|
+WAVE_FORMAT_SYMBOL_G729_A :: 0xA103 /* Symbol Technologies */
|
|
|
+WAVE_FORMAT_VOICEAGE_AMR_WB :: 0xA104 /* VoiceAge Corp. */
|
|
|
+WAVE_FORMAT_INGENIENT_G726 :: 0xA105 /* Ingenient Technologies, Inc. */
|
|
|
+WAVE_FORMAT_MPEG4_AAC :: 0xA106 /* ISO/MPEG-4 */
|
|
|
+WAVE_FORMAT_ENCORE_G726 :: 0xA107 /* Encore Software */
|
|
|
+WAVE_FORMAT_ZOLL_ASAO :: 0xA108 /* ZOLL Medical Corp. */
|
|
|
+WAVE_FORMAT_SPEEX_VOICE :: 0xA109 /* xiph.org */
|
|
|
+WAVE_FORMAT_VIANIX_MASC :: 0xA10A /* Vianix LLC */
|
|
|
+WAVE_FORMAT_WM9_SPECTRUM_ANALYZER :: 0xA10B /* Microsoft */
|
|
|
+WAVE_FORMAT_WMF_SPECTRUM_ANAYZER :: 0xA10C /* Microsoft */
|
|
|
+WAVE_FORMAT_GSM_610 :: 0xA10D
|
|
|
+WAVE_FORMAT_GSM_620 :: 0xA10E
|
|
|
+WAVE_FORMAT_GSM_660 :: 0xA10F
|
|
|
+WAVE_FORMAT_GSM_690 :: 0xA110
|
|
|
+WAVE_FORMAT_GSM_ADAPTIVE_MULTIRATE_WB :: 0xA111
|
|
|
+WAVE_FORMAT_POLYCOM_G722 :: 0xA112 /* Polycom */
|
|
|
+WAVE_FORMAT_POLYCOM_G728 :: 0xA113 /* Polycom */
|
|
|
+WAVE_FORMAT_POLYCOM_G729_A :: 0xA114 /* Polycom */
|
|
|
+WAVE_FORMAT_POLYCOM_SIREN :: 0xA115 /* Polycom */
|
|
|
+WAVE_FORMAT_GLOBAL_IP_ILBC :: 0xA116 /* Global IP */
|
|
|
+WAVE_FORMAT_RADIOTIME_TIME_SHIFT_RADIO :: 0xA117 /* RadioTime */
|
|
|
+WAVE_FORMAT_NICE_ACA :: 0xA118 /* Nice Systems */
|
|
|
+WAVE_FORMAT_NICE_ADPCM :: 0xA119 /* Nice Systems */
|
|
|
+WAVE_FORMAT_VOCORD_G721 :: 0xA11A /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_G726 :: 0xA11B /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_G722_1 :: 0xA11C /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_G728 :: 0xA11D /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_G729 :: 0xA11E /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_G729_A :: 0xA11F /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_G723_1 :: 0xA120 /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_VOCORD_LBC :: 0xA121 /* Vocord Telecom */
|
|
|
+WAVE_FORMAT_NICE_G728 :: 0xA122 /* Nice Systems */
|
|
|
+WAVE_FORMAT_FRACE_TELECOM_G729 :: 0xA123 /* France Telecom */
|
|
|
+WAVE_FORMAT_CODIAN :: 0xA124 /* CODIAN */
|
|
|
+WAVE_FORMAT_DOLBY_AC4 :: 0xAC40 /* Dolby AC-4 */
|
|
|
+WAVE_FORMAT_FLAC :: 0xF1AC /* flac.sourceforge.net */
|
|
|
+WAVE_FORMAT_EXTENSIBLE :: 0xFFFE /* Microsoft */
|
|
|
+
|
|
|
+
|
|
|
WAVEFORMATEX :: struct {
|
|
|
wFormatTag: WORD,
|
|
|
nChannels: WORD,
|
|
|
@@ -325,6 +600,142 @@ WAVEFORMATEX :: struct {
|
|
|
}
|
|
|
LPCWAVEFORMATEX :: ^WAVEFORMATEX
|
|
|
|
|
|
+// New wave format development should be based on the WAVEFORMATEXTENSIBLE structure.
|
|
|
+// WAVEFORMATEXTENSIBLE allows you to avoid having to register a new format tag with Microsoft.
|
|
|
+// Simply define a new GUID value for the WAVEFORMATEXTENSIBLE.SubFormat field and use WAVE_FORMAT_EXTENSIBLE in the WAVEFORMATEXTENSIBLE.Format.wFormatTag field.
|
|
|
+WAVEFORMATEXTENSIBLE :: struct {
|
|
|
+ using Format: WAVEFORMATEX,
|
|
|
+ Samples: struct #raw_union {
|
|
|
+ wValidBitsPerSample: WORD, /* bits of precision */
|
|
|
+ wSamplesPerBlock: WORD, /* valid if wBitsPerSample==0 */
|
|
|
+ wReserved: WORD, /* If neither applies, set to zero. */
|
|
|
+ },
|
|
|
+ dwChannelMask: SPEAKER_FLAGS, /* which channels are present in stream */
|
|
|
+ SubFormat: GUID,
|
|
|
+}
|
|
|
+
|
|
|
+MPEGLAYER3_WFX_EXTRA_BYTES :: 12
|
|
|
+// MPEG Layer3 WAVEFORMATEX structure
|
|
|
+MPEGLAYER3WAVEFORMAT :: struct {
|
|
|
+ using wfx: WAVEFORMATEX,
|
|
|
+ wID: WORD,
|
|
|
+ fdwFlags: DWORD,
|
|
|
+ nBlockSize: WORD,
|
|
|
+ nFramesPerBlock: WORD,
|
|
|
+ nCodecDelay: WORD,
|
|
|
+}
|
|
|
+LPMPEGLAYER3WAVEFORMAT :: ^MPEGLAYER3WAVEFORMAT
|
|
|
+
|
|
|
+MPEGLAYER3_ID_UNKNOWN :: 0
|
|
|
+MPEGLAYER3_ID_MPEG :: 1
|
|
|
+MPEGLAYER3_ID_CONSTANTFRAMESIZE :: 2
|
|
|
+
|
|
|
+MPEGLAYER3_FLAG_PADDING_ISO :: 0x00000000
|
|
|
+MPEGLAYER3_FLAG_PADDING_ON :: 0x00000001
|
|
|
+MPEGLAYER3_FLAG_PADDING_OFF :: 0x00000002
|
|
|
+
|
|
|
+/*
|
|
|
+ "MPEG-2" in the comments below refers to ISO/IEC 13818-7 (MPEG-2 AAC spec).
|
|
|
+ "MPEG-4" in the comments below refers to ISO/IEC 14496-3 (MPEG-4 Audio spec).
|
|
|
+
|
|
|
+ The following defines the format block to be used for MPEG-2 AAC or MPEG-4 HE-AAC v1/v2 streams.
|
|
|
+ When setting media type attributes in Media Foundation (MF) objects, this will appear in conjunction with major type MFMediaType_Audio and sub type MFAudioFormat_AAC (=MEDIASUBTYPE_MPEG_HEAAC).
|
|
|
+ The format block structure HEAACWAVEFORMAT is defined below. It starts with the structure HEAACWAVEINFO (which is an extension of WAVEFORMATEX), followed by AudioSpecificConfig() as defined by ISO/IEC 14496-3 (MPEG-4 audio).
|
|
|
+ Since the length of AudioSpecificConfig() may vary from one stream to another, this is a variable size format block.
|
|
|
+
|
|
|
+ The WAVEFORMATEX fields describe the properties of the core AAC stream, without SBR/PS extensions (if exists). This is the description of the WAVEFORMATEX fields:
|
|
|
+
|
|
|
+ wfx.wFormatTag - Set this to WAVE_FORMAT_MPEG_HEAAC (0x1610).
|
|
|
+
|
|
|
+ wfx.nChannels - Total number of channels in core AAC stream (including LFE if exists).
|
|
|
+ This might be different than the decoded number of channels if the MPEG-4 Parametric Stereo (PS) tool exists. If unknown, set to zero.
|
|
|
+
|
|
|
+ wfx.nSamplesPerSec - Sampling rate of core AAC stream. This will be one of the 12 supported sampling rate between 8000 and 96000 Hz, as defined in MPEG-2.
|
|
|
+ This might be different than the decoded sampling rate if the MPEG-4 Spectral Band Replication (SBR) tool exists.
|
|
|
+ If not know in advance, the sampling rate can be extracted from:
|
|
|
+ - the 4-bit sampling_frequency_index field in adts_fixed_header(), or
|
|
|
+ - program_config_element() in adif_header for MPEG-2 streams, or
|
|
|
+ - the 4-bit samplingFrequencyIndex field in AudioSpecificConfig() for MPEG-4 streams.
|
|
|
+
|
|
|
+ wfx.nAvgBytesPerSec - The average bytes per second calculated based on the average bit rate of the compressed stream.
|
|
|
+ This value may be used by parsers to seek into a particular time offset in the stream. It may also be used by applications to determine roughly how much buffer length to allocate.
|
|
|
+ If this is not known in advance, this value can be estimated by parsing some (or all) of the compressed HE-AAC frames and calculating bit rate based on average compressed frame size.
|
|
|
+ If unknown, set to zero.
|
|
|
+
|
|
|
+ wfx.nBlockAlign - Set this to 1.
|
|
|
+
|
|
|
+ wfx.wBitsPerSample - Desired bit depth of the decoded PCM. If unknown, set to zero.
|
|
|
+
|
|
|
+ wfx.cbSize - Set this to 12 (=sizeof(HEAACWAVEINFO)-sizeof(WAVEFORMATEX)) plus the size of AudioSpecificConfig() in bytes.
|
|
|
+
|
|
|
+ ===================================
|
|
|
+
|
|
|
+How do we parse this format block? assume pbBuff is the address of the first byte in the format block. We do the following:
|
|
|
+
|
|
|
+pwfInfo := cast(^HEAACWAVEINFO)pbBuff
|
|
|
+
|
|
|
+if pwfInfo.wStructType == 0 {
|
|
|
+ pwf := cast(^HEAACWAVEFORMAT)pbBuff
|
|
|
+
|
|
|
+ // All HEAACWAVEFORMAT fields can now be accessed through pwf
|
|
|
+ // To parse AudioSpecificConfig(), write a function such as
|
|
|
+ // ParseAudioSpecificConfig :: proc(pbASC: ^BYTE, dwASCLen: DWORD),
|
|
|
+ // and call:
|
|
|
+
|
|
|
+ dwASCLen: DWORD = pwf.wfInfo.wfx.cbSize - size_of(HEAACWAVEINFO) + size_of(WAVEFORMATEX)
|
|
|
+
|
|
|
+ ParseAudioSpecificConfig(pwf.pbAudioSpecificConfig, dwASCLen)
|
|
|
+} else {
|
|
|
+ // Reserved
|
|
|
+}
|
|
|
+*/
|
|
|
+
|
|
|
+// This structure has a size of 30 bytes
|
|
|
+HEAACWAVEINFO :: struct {
|
|
|
+ // Defines core AAC properties. See description above. WAVEFORMATEX is of size 18 bytes.
|
|
|
+ using wfx: WAVEFORMATEX,
|
|
|
+
|
|
|
+ // Defines the payload type
|
|
|
+ // 0-RAW. The stream contains raw_data_block() elements only.
|
|
|
+ // 1-ADTS. The stream contains an adts_sequence(), as defined by MPEG-2.
|
|
|
+ // 2-ADIF. The stream contains an adif_sequence(), as defined by MPEG-2.
|
|
|
+ // 3-LOAS. The stream contains an MPEG-4 audio transport stream with a synchronization layer LOAS and a multiplex layer LATM.
|
|
|
+ // All other codes are reserved.
|
|
|
+ wPayloadType: WORD,
|
|
|
+
|
|
|
+ // This is the 8-bit field audioProfileLevelIndication available in the MPEG-4 object descriptor.
|
|
|
+ // It is an indication (as defined in MPEG-4 audio) of the audio profile and level required to process the content associated with this stream.
|
|
|
+ // For example values 0x28-0x2B correspond to AAC Profile, values 0x2C-0x2F correspond to HE-AAC profile and 0x30-0x33 for HE-AAC v2 profile.
|
|
|
+ // If unknown, set to zero or 0xFE ("no audio profile specified").
|
|
|
+ wAudioProfileLevelIndication: WORD,
|
|
|
+
|
|
|
+ // Defines the data that follows this structure. Currently only one data type is supported:
|
|
|
+ // 0- AudioSpecificConfig() (as defined by MPEG-4 Audio, ISO/IEC 14496-3) will follow this structure.
|
|
|
+ // wfx.cbSize will indicate the total length including AudioSpecificConfig().
|
|
|
+ // Use HEAACWAVEFORMAT to gain easy access to the address of the first byte of AudioSpecificConfig() for parsing.
|
|
|
+ // Typical values for the size of AudioSpecificConfig (ASC) are:
|
|
|
+ // - 2 bytes for AAC or HE-AAC v1/v2 with implicit signaling of SBR,
|
|
|
+ // - 5 bytes for HE-AAC v1 with explicit signaling of SBR,
|
|
|
+ // - 7 bytes for HE-AAC v2 with explicit signaling of SBR and PS.
|
|
|
+ // The size may be longer than 7 bytes if the 4-bit channelConfiguration field in ASC is zero, which means program_config_element() is present in ASC.
|
|
|
+ // All other codes are reserved.
|
|
|
+ wStructType: WORD,
|
|
|
+
|
|
|
+ // Set these to zero
|
|
|
+ wReserved1: WORD,
|
|
|
+ dwReserved2: DWORD,
|
|
|
+}
|
|
|
+LPHEAACWAVEINFO :: ^HEAACWAVEINFO
|
|
|
+
|
|
|
+// This structure describes the format block for wStructType=0
|
|
|
+// This structure has a size of 31 bytes
|
|
|
+HEAACWAVEFORMAT :: struct {
|
|
|
+ using wfInfo: HEAACWAVEINFO,
|
|
|
+ pbAudioSpecificConfig: [1]BYTE, // First byte of AudioSpecificConfig()
|
|
|
+}
|
|
|
+LPHEAACWAVEFORMAT :: ^HEAACWAVEFORMAT
|
|
|
+
|
|
|
+
|
|
|
WAVEHDR :: struct {
|
|
|
lpData: LPSTR, /* pointer to locked data buffer */
|
|
|
dwBufferLength: DWORD, /* length of data buffer */
|
|
|
@@ -360,26 +771,50 @@ WAVEOUTCAPSW :: struct {
|
|
|
}
|
|
|
LPWAVEOUTCAPSW :: ^WAVEOUTCAPSW
|
|
|
|
|
|
+SPEAKER_FLAGS :: distinct bit_set[SPEAKER_FLAG; DWORD]
|
|
|
+SPEAKER_FLAG :: enum DWORD {
|
|
|
+ FRONT_LEFT = 0,
|
|
|
+ FRONT_RIGHT = 1,
|
|
|
+ FRONT_CENTER = 2,
|
|
|
+ LOW_FREQUENCY = 3,
|
|
|
+ BACK_LEFT = 4,
|
|
|
+ BACK_RIGHT = 5,
|
|
|
+ FRONT_LEFT_OF_CENTER = 6,
|
|
|
+ FRONT_RIGHT_OF_CENTER = 7,
|
|
|
+ BACK_CENTER = 8,
|
|
|
+ SIDE_LEFT = 9,
|
|
|
+ SIDE_RIGHT = 10,
|
|
|
+ TOP_CENTER = 11,
|
|
|
+ TOP_FRONT_LEFT = 12,
|
|
|
+ TOP_FRONT_CENTER = 13,
|
|
|
+ TOP_FRONT_RIGHT = 14,
|
|
|
+ TOP_BACK_LEFT = 15,
|
|
|
+ TOP_BACK_CENTER = 16,
|
|
|
+ TOP_BACK_RIGHT = 17,
|
|
|
+ //RESERVED = 0x7FFC0000, // bit mask locations reserved for future use
|
|
|
+ ALL = 31, // used to specify that any possible permutation of speaker configurations
|
|
|
+}
|
|
|
+
|
|
|
// flag values for PlaySound
|
|
|
-SND_SYNC :: 0x0000 /* play synchronously (default) */
|
|
|
-SND_ASYNC :: 0x0001 /* play asynchronously */
|
|
|
-SND_NODEFAULT :: 0x0002 /* silence (!default) if sound not found */
|
|
|
-SND_MEMORY :: 0x0004 /* pszSound points to a memory file */
|
|
|
-SND_LOOP :: 0x0008 /* loop the sound until next sndPlaySound */
|
|
|
-SND_NOSTOP :: 0x0010 /* don't stop any currently playing sound */
|
|
|
+SND_SYNC :: 0x0000 /* play synchronously (default) */
|
|
|
+SND_ASYNC :: 0x0001 /* play asynchronously */
|
|
|
+SND_NODEFAULT :: 0x0002 /* silence (!default) if sound not found */
|
|
|
+SND_MEMORY :: 0x0004 /* pszSound points to a memory file */
|
|
|
+SND_LOOP :: 0x0008 /* loop the sound until next sndPlaySound */
|
|
|
+SND_NOSTOP :: 0x0010 /* don't stop any currently playing sound */
|
|
|
|
|
|
-SND_NOWAIT :: 0x00002000 /* don't wait if the driver is busy */
|
|
|
-SND_ALIAS :: 0x00010000 /* name is a registry alias */
|
|
|
-SND_ALIAS_ID :: 0x00110000 /* alias is a predefined ID */
|
|
|
-SND_FILENAME :: 0x00020000 /* name is file name */
|
|
|
-SND_RESOURCE :: 0x00040004 /* name is resource name or atom */
|
|
|
+SND_NOWAIT :: 0x00002000 /* don't wait if the driver is busy */
|
|
|
+SND_ALIAS :: 0x00010000 /* name is a registry alias */
|
|
|
+SND_ALIAS_ID :: 0x00110000 /* alias is a predefined ID */
|
|
|
+SND_FILENAME :: 0x00020000 /* name is file name */
|
|
|
+SND_RESOURCE :: 0x00040004 /* name is resource name or atom */
|
|
|
|
|
|
-SND_PURGE :: 0x0040 /* purge non-static events for task */
|
|
|
-SND_APPLICATION :: 0x0080 /* look for application specific association */
|
|
|
+SND_PURGE :: 0x0040 /* purge non-static events for task */
|
|
|
+SND_APPLICATION :: 0x0080 /* look for application specific association */
|
|
|
|
|
|
-SND_SENTRY :: 0x00080000 /* Generate a SoundSentry event with this sound */
|
|
|
-SND_RING :: 0x00100000 /* Treat this as a "ring" from a communications app - don't duck me */
|
|
|
-SND_SYSTEM :: 0x00200000 /* Treat this as a system sound */
|
|
|
+SND_SENTRY :: 0x00080000 /* Generate a SoundSentry event with this sound */
|
|
|
+SND_RING :: 0x00100000 /* Treat this as a "ring" from a communications app - don't duck me */
|
|
|
+SND_SYSTEM :: 0x00200000 /* Treat this as a system sound */
|
|
|
|
|
|
|
|
|
CALLBACK_TYPEMASK :: 0x00070000 /* callback type mask */
|
|
|
@@ -389,3 +824,90 @@ CALLBACK_TASK :: 0x00020000 /* dwCallback is a HTASK */
|
|
|
CALLBACK_FUNCTION :: 0x00030000 /* dwCallback is a FARPROC */
|
|
|
CALLBACK_THREAD :: CALLBACK_TASK /* thread ID replaces 16 bit task */
|
|
|
CALLBACK_EVENT :: 0x00050000 /* dwCallback is an EVENT Handle */
|
|
|
+
|
|
|
+
|
|
|
+// Description: Type definitions used by the audio session manager RPC/COM interfaces
|
|
|
+
|
|
|
+//-------------------------------------------------------------------------
|
|
|
+// Description: AudioClient share mode
|
|
|
+// SHARED - The device will be opened in shared mode and use the WAS format.
|
|
|
+// EXCLUSIVE - The device will be opened in exclusive mode and use the application specified format.
|
|
|
+AUDCLNT_SHAREMODE :: enum i32 {
|
|
|
+ SHARED,
|
|
|
+ EXCLUSIVE,
|
|
|
+}
|
|
|
+
|
|
|
+//-------------------------------------------------------------------------
|
|
|
+// Description: Audio stream categories
|
|
|
+// ForegroundOnlyMedia - (deprecated for Win10) Music, Streaming audio
|
|
|
+// BackgroundCapableMedia - (deprecated for Win10) Video with audio
|
|
|
+// Communications - VOIP, chat, phone call
|
|
|
+// Alerts - Alarm, Ring tones
|
|
|
+// SoundEffects - Sound effects, clicks, dings
|
|
|
+// GameEffects - Game sound effects
|
|
|
+// GameMedia - Background audio for games
|
|
|
+// GameChat - In game player chat
|
|
|
+// Speech - Speech recognition
|
|
|
+// Media - Music, Streaming audio
|
|
|
+// Movie - Video with audio
|
|
|
+// FarFieldSpeech - Capture of far field speech
|
|
|
+// UniformSpeech - Uniform, device agnostic speech processing
|
|
|
+// VoiceTyping - Dictation, typing by voice
|
|
|
+// Other - All other streams (default)
|
|
|
+AUDIO_STREAM_CATEGORY :: enum i32 {
|
|
|
+ //ForegroundOnlyMedia = 1,
|
|
|
+ //BackgroundCapableMedia = 2,
|
|
|
+ Communications = 3,
|
|
|
+ Alerts = 4,
|
|
|
+ SoundEffects = 5,
|
|
|
+ GameEffects = 6,
|
|
|
+ GameMedia = 7,
|
|
|
+ GameChat = 8,
|
|
|
+ Speech = 9,
|
|
|
+ Movie = 10,
|
|
|
+ Media = 11,
|
|
|
+ FarFieldSpeech = 12,
|
|
|
+ UniformSpeech = 13,
|
|
|
+ VoiceTyping = 14,
|
|
|
+ Other = 0,
|
|
|
+}
|
|
|
+
|
|
|
+//-------------------------------------------------------------------------
|
|
|
+// Description: AudioClient stream flags
|
|
|
+// Can be a combination of AUDCLNT_STREAMFLAGS and AUDCLNT_SYSFXFLAGS:
|
|
|
+// AUDCLNT_STREAMFLAGS (this group of flags uses the high word, w/exception of high-bit which is reserved, 0x7FFF0000):
|
|
|
+// AUDCLNT_STREAMFLAGS_CROSSPROCESS - Audio policy control for this stream will be shared with with other process sessions that use the same audio session GUID.
|
|
|
+// AUDCLNT_STREAMFLAGS_LOOPBACK - Initializes a renderer endpoint for a loopback audio application. In this mode, a capture stream will be opened on the specified renderer endpoint. Shared mode and a renderer endpoint is required.
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+// Otherwise the IAudioClient.Initialize call will fail. If the initialize is successful, a capture stream will be available from the IAudioClient object.
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+// AUDCLNT_STREAMFLAGS_EVENTCALLBACK - An exclusive mode client will supply an event handle that will be signaled when an IRP completes (or a waveRT buffer completes) telling it to fill the next buffer
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+// AUDCLNT_STREAMFLAGS_NOPERSIST - Session state will not be persisted
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+// AUDCLNT_STREAMFLAGS_RATEADJUST - The sample rate of the stream is adjusted to a rate specified by an application.
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+// AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY - When used with AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM, a sample rate converter with better quality than the default conversion but with a higher performance cost is used.
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+// This should be used if the audio is ultimately intended to be heard by humans as opposed to other scenarios such as pumping silence or populating a meter.
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+// AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM - A channel matrixer and a sample rate converter are inserted as necessary to convert between the uncompressed format supplied to IAudioClient.Initialize and the audio engine mix format.
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+// AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED - Session expires when there are no streams and no owning session controls.
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+// AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE - Don't show volume control in the Volume Mixer.
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+// AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED - Don't show volume control in the Volume Mixer after the session expires.
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+// AUDCLNT_SYSFXFLAGS (these flags use low word 0x0000FFFF):
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+// none defined currently
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+AUDCLNT_STREAMFLAGS_CROSSPROCESS :: 0x00010000
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+AUDCLNT_STREAMFLAGS_LOOPBACK :: 0x00020000
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+AUDCLNT_STREAMFLAGS_EVENTCALLBACK :: 0x00040000
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+AUDCLNT_STREAMFLAGS_NOPERSIST :: 0x00080000
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+AUDCLNT_STREAMFLAGS_RATEADJUST :: 0x00100000
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+AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY :: 0x08000000
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+AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM :: 0x80000000
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+AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED :: 0x10000000
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+AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE :: 0x20000000
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+AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED :: 0x40000000
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+
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+//-------------------------------------------------------------------------
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+// Description: AudioSession State.
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+// AudioSessionStateInactive - The session has no active audio streams.
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+// AudioSessionStateActive - The session has active audio streams.
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+// AudioSessionStateExpired - The session is dormant.
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+AudioSessionState :: enum i32 {
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+ Inactive = 0,
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+ Active = 1,
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+ Expired = 2,
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+}
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Vincent Billet