📄 wavepdd.h
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//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#pragma once
// -----------------------------------------------------------------------------
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// -----------------------------------------------------------------------------
//
// Module Name:
//
// wavepdd.h
//
// Abstract:
//
// Functions:
//
// Notes:
//
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
//
// @doc EX_AUDIO_DDSI
//
// @enum PCM_TYPE | Enumeration of standard PCM data types.
//
// -----------------------------------------------------------------------------
enum PCM_TYPE
{
PCM_TYPE_M8,
PCM_TYPE_M16,
PCM_TYPE_S8,
PCM_TYPE_S16
};
// -----------------------------------------------------------------------------
//
// @doc EX_AUDIO_DDSI
//
// @struct SAMPLE_8_MONO | Single sample from 8-bit mono PCM data stream.
//
// @field UINT8 | sample | Unsigned 8-bit sample
//
// -----------------------------------------------------------------------------
typedef struct {
UINT8 sample; // Unsigned 8-bit sample
} SAMPLE_8_MONO;
// -----------------------------------------------------------------------------
//
// @doc EX_AUDIO_DDSI
//
// @struct SAMPLE_16_MONO | Single sample from 16-bit mono PCM data stream.
//
// @field INT16 | sample | Unsigned 16-bit sample
//
// -----------------------------------------------------------------------------
typedef struct {
INT16 sample; // Signed 16-bit sample
} SAMPLE_16_MONO;
// -----------------------------------------------------------------------------
//
// @doc EX_AUDIO_DDSI
//
// @struct SAMPLE_8_STEREO | Single sample from 8-bit stereo PCM data stream.
//
// @field UINT8 | sample_left | Unsigned 8-bit sample from left channel.
//
// @field UINT8 | sample_right | Unsigned 8-bit sample from right channel.
//
// -----------------------------------------------------------------------------
typedef struct {
UINT8 sample_left; // Unsigned 8-bit sample
UINT8 sample_right; // Unsigned 8-bit sample
} SAMPLE_8_STEREO;
// -----------------------------------------------------------------------------
//
// @doc EX_AUDIO_DDSI
//
// @struct SAMPLE_16_STEREO | Single sample from 16-bit stereo PCM data stream.
//
// @field UINT16 | sample_left | Unsigned 16-bit sample from left channel.
//
// @field UINT16 | sample_right | Unsigned 16-bit sample from right channel.
//
// -----------------------------------------------------------------------------
typedef struct {
INT16 sample_left; // Signed 16-bit sample
INT16 sample_right; // Signed 16-bit sample
} SAMPLE_16_STEREO;
// -----------------------------------------------------------------------------
//
// @doc EX_AUDIO_DDSI
//
// @struct PCM_SAMPLE | Union that allows access to any of the Sample Types
//
// @field SAMPLE_8_MONO | m8 | <t SAMPLE_8_MONO>
// @field SAMPLE_16_MONO | m16 | <t SAMPLE_16_MONO>
// @field SAMPLE_8_STEREO | s8 | <t SAMPLE_8_STEREO>
// @field SAMPLE_16_STEREO | s16 | <t SAMPLE_16_STEREO>
//
// -----------------------------------------------------------------------------
typedef union {
SAMPLE_8_MONO m8;
SAMPLE_16_MONO m16;
SAMPLE_8_STEREO s8;
SAMPLE_16_STEREO s16;
} PCM_SAMPLE, *PPCM_SAMPLE;
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