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# XFuXMPlayer.cpp File Reference

XM player. More...

`#include <stdlib.h>`
`#include <stdarg.h>`
`#include <xfcore/XFcCore.h>`
`#include <xfcore/XFcAudioFlags.h>`
`#include <xfcore/XFcLinkedList.h>`
`#include <xfutil/XFuXMPlayer.h>`
`#include <xfutil/XFuXMPlayer_internal.h>`
`#include <xfutil/XFuXMPlayerEventHandler.h>`

Include dependency graph for XFuXMPlayer.cpp:

Go to the source code of this file.

## Defines
#define | ABS(x) (((x) < 0) ? -(x) : (x))
#define | interpolateLinear8(ch, val1, val2)
#define | interpolateLinear16(ch, val1, val2)
#define | interpolateLinearForwardLoop8(ch, val1, val2, temp)
#define | interpolateLinearForwardLoop16(ch, val1, val2, temp)
#define | interpolateLinearBidirectionalLoop8(ch, val1, val2, temp)
#define | interpolateLinearBidirectionalLoop16(ch, val1, val2, temp)
#define | addPointer(ch)
#define | addPointerForwardLoop(ch)
#define | addPointerBidirectionalLoop(ch)
## Variables
const INT32 | linearFrequencyTable [768]

## Detailed Description

XM player.

X-Forge Util
Copyright 2000-2003 Fathammer Ltd

Todo:
  doxygen comments

  Panning envelope support on "key off"

  Random waveform support for vibrato and tremolo

  Set glissando control -command

Id
  XFuXMPlayer.cpp,v 1.55 2003/10/10 11:34:51 toni Exp

Date
  2003/10/10 11:34:51

Revision
  1.55

Definition in file XFuXMPlayer.cpp.

## Define Documentation

#define ABS | ( | x |  | ) | (((x) < 0) ? -(x) : (x))

| Definition at line 127 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define addPointer | ( | ch |  | ) |

| Value:
    ch.mPointer += ch.mSpeed; \
        if (ch.mPointer > (ch.mLength - FP_VALUE)) \
            ch.mIsSample = 0;
Definition at line 187 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define addPointerBidirectionalLoop | ( | ch |  | ) |

| Value:
    if (ch.mDirection == 1) \
        { \
            ch.mPointer += ch.mSpeed; \
            \
            if ((ch.mPointer >> FP_BITS) > (ch.mLoopEnd >> FP_BITS)) \
            { \
                ch.mDirection = -1; \
                ch.mPointer = ch.mLoopEnd - (ch.mPointer - (ch.mLoopEnd + FP_VALUE)); \
            } \
        } \
        else \
        { \
            ch.mPointer -= ch.mSpeed; \
            \
            if ((ch.mPointer >> FP_BITS) < (ch.mLoopStart >> FP_BITS)) \
            { \
                ch.mDirection = 1; \
                ch.mPointer = ch.mLoopStart + (ch.mLoopStart - ch.mPointer); \
            } \
        }
Definition at line 199 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define addPointerForwardLoop | ( | ch |  | ) |

| Value:
    ch.mPointer += ch.mSpeed; \
        if ((ch.mPointer >> FP_BITS) > (ch.mLoopEnd >> FP_BITS)) \
            ch.mPointer = ch.mLoopStart + (ch.mPointer - (ch.mLoopEnd + FP_VALUE));
Definition at line 193 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define interpolateLinear16 | ( | ch,
|  | val1,
|  | val2 |  | ) |

| Value:
    val1 = *((INT16 *)ch.mOffset + (ch.mPointer >> FP_BITS)); \
        \
        if ((ch.mPointer + FP_VALUE) < ch.mLength) \
            val2 = *((INT16 *)ch.mOffset + ((ch.mPointer + FP_VALUE) >> FP_BITS)); \
        else \
            val2 = 0;
Definition at line 138 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define interpolateLinear8 | ( | ch,
|  | val1,
|  | val2 |  | ) |

| Value:
    val1 = *((INT8 *)ch.mOffset + (ch.mPointer >> FP_BITS)); \
        \
        if ((ch.mPointer + FP_VALUE) < ch.mLength) \
            val2 = *((INT8 *)ch.mOffset + ((ch.mPointer + FP_VALUE) >> FP_BITS)); \
        else \
            val2 = 0;
Definition at line 129 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define interpolateLinearBidirectionalLoop16 | ( | ch,
|  | val1,
|  | val2,
|  | temp |  | ) |

| Value:
    val1 = *((INT16 *)ch.mOffset + (ch.mPointer >> FP_BITS)); \
        \
        temp = (ch.mPointer + FP_VALUE); \
        if ((temp >> FP_BITS) > (ch.mLoopEnd >> FP_BITS)) \
            temp = ch.mLoopEnd - (temp - (ch.mLoopEnd + FP_VALUE)); \
        \
        val2 = *((INT16 *)ch.mOffset + (temp >> FP_BITS));
Definition at line 177 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define interpolateLinearBidirectionalLoop8 | ( | ch,
|  | val1,
|  | val2,
|  | temp |  | ) |

| Value:
    val1 = *((INT8 *)ch.mOffset + (ch.mPointer >> FP_BITS)); \
        \
        temp = (ch.mPointer + FP_VALUE); \
        if ((temp >> FP_BITS) > (ch.mLoopEnd >> FP_BITS)) \
            temp = ch.mLoopEnd - (temp - (ch.mLoopEnd + FP_VALUE)); \
        \
        val2 = *((INT8 *)ch.mOffset + (temp >> FP_BITS)); \
Definition at line 167 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define interpolateLinearForwardLoop16 | ( | ch,
|  | val1,
|  | val2,
|  | temp |  | ) |

| Value:
    val1 = *((INT16 *)ch.mOffset + (ch.mPointer >> FP_BITS)); \
        \
        temp = (ch.mPointer + FP_VALUE); \
        if ((temp >> FP_BITS) > (ch.mLoopEnd >> FP_BITS)) \
            temp = ch.mLoopStart + (temp - (ch.mLoopEnd + FP_VALUE)); \
        \
        val2 = *((INT16 *)ch.mOffset + (temp >> FP_BITS));
Definition at line 157 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

#define interpolateLinearForwardLoop8 | ( | ch,
|  | val1,
|  | val2,
|  | temp |  | ) |

| Value:
    val1 = *((INT8 *)ch.mOffset + (ch.mPointer >> FP_BITS)); \
        \
        temp = (ch.mPointer + FP_VALUE); \
        if ((temp >> FP_BITS) > (ch.mLoopEnd >> FP_BITS)) \
            temp = ch.mLoopStart + (temp - (ch.mLoopEnd + FP_VALUE)); \
        \
        val2 = *((INT8 *)ch.mOffset + (temp >> FP_BITS));
Definition at line 147 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::stream().

## Variable Documentation

const INT32 linearFrequencyTable[768]`[static]`

| Definition at line 26 of file XFuXMPlayer.cpp. Referenced by XFuXMPlayer::getSpeed().

|  | X-Forge Documentation Confidential Copyright © 2002-2003 Fathammer |  | Documentation generated with doxygen by Dimitri van Heesch