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Retired Document

Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.

Relevant replacement documents include:

http://developer.apple.com/library/mac/#samplecode/AudioCodecSDK/Introduction/Intro.html

uLawCodec.r

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// defines needed before including headers

// use the platform info array in the 'thng' resource for 68k and PowerPC, or Windows

#define thng_RezTemplateVersion 1

#define DLOG_RezTemplateVersion 1

#include "MacTypes.r"

#include "Components.r"

#include "Sound.r"

#include "Icons.r"

#include "Dialogs.r"

#include "Appearance.r"

#include "uLawCodec.h"

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// µLaw decompressor

resource 'thng' (kSoundDecompressorResID, ULawDecompressorName, purgeable) {

    kSoundDecompressor, kCodecFormat, kSoundComponentManufacturer,

    k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut, 0,

    kSoundComponentType, kSoundDecompressorResID,

    'STR ', kSoundCodecNameStringResID,

    'STR ', kSoundCodecInfoStringResID,

    'ICON', kSoundComponentIconResID,

    kSoundDecompressorVersion,

    componentDoAutoVersion|componentHasMultiplePlatforms, 0,

#if TARGET_OS_MAC

        k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut,

            kSoundComponentType, kSoundDecompressorResID, platform68k;

        k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut,

            kSoundComponentPPCType, kSoundDecompressorResID, platformPowerPC

#else

        k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut,

            'dlle', kSoundDecompressorResID, platformWin32

#endif

};

// name and info string are shared by the compressor and decompressor

resource 'STR ' (kSoundCodecNameStringResID, ULawDecompressorName, purgeable) {

    "Example µLaw 2:1"

};

resource 'STR ' (kSoundCodecInfoStringResID, ULawDecompressorName, purgeable) {

    "µLaw (CCITT Recommendation G.711) compression with a 2 to 1 ratio."

};

resource 'ICON' (kSoundComponentIconResID, ULawDecompressorName, purgeable) {

    $"00000000000000000000000000000000"

    $"00000000003FC00001C0380002040400"

    $"022A840003915F80027FE44002000720"

    $"020004A0020004A0020004A0020004A0"

    $"020004A0020007200200044002000780"

    $"0200040001C03800003FC00000001000"

    $"00888000002020000085400000100000"

    $"0042"

};

#if !TARGET_OS_MAC

resource 'dlle' (kSoundDecompressorResID, ULawDecompressorName) {

    "__uLawDecompComponentDispatch"

};

#endif

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// µLaw compressor

resource 'thng' (kSoundCompressorResID, ULawCompressorName, purgeable) {

    kSoundCompressor, kCodecFormat, kSoundComponentManufacturer,

    k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut, 0,

    kSoundComponentType, kSoundCompressorResID,

    'STR ', kSoundCodecNameStringResID,

    'STR ', kSoundCodecInfoStringResID,

    'ICON', kSoundComponentIconResID,

    kSoundCompressorVersion,

    componentDoAutoVersion|componentHasMultiplePlatforms, 0,

#if TARGET_OS_MAC

        k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut,

            kSoundComponentType, kSoundCompressorResID, platform68k;

        k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut,

            kSoundComponentPPCType, kSoundCompressorResID, platformPowerPC

#else

        k16BitIn|kStereoIn | k8BitRawOut|k16BitOut|kStereoOut,

            'dlle', kSoundCompressorResID, platformWin32

#endif

};

#if !TARGET_OS_MAC

resource 'dlle' (kSoundCompressorResID, ULawCompressorName) {

    "__uLawCompComponentDispatch"

};

#endif

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// µLaw decompressor table

type k16BitTableResType {

    array {

        integer;            // array of 16 bit integers

};

};

// make the resource locked since it's always locked while in use,

// marking it locked helps memory management: Resource Mgr will load it lower in heap

resource k16BitTableResType (kSoundDecompressorResID, ULawDecompressorName, locked) {

        -32124, -31100, -30076, -29052, -28028, -27004, -25980, -24956,

        -23932, -22908, -21884, -20860, -19836, -18812, -17788, -16764,

        -15996, -15484, -14972, -14460, -13948, -13436, -12924, -12412,

        -11900, -11388, -10876, -10364,  -9852,  -9340,  -8828,  -8316,

        -7932,  -7676,  -7420,  -7164,  -6908,  -6652,  -6396,  -6140,

        -5884,  -5628,  -5372,  -5116,  -4860,  -4604,  -4348,  -4092,

        -3900,  -3772,  -3644,  -3516,  -3388,  -3260,  -3132,  -3004,

        -2876,  -2748,  -2620,  -2492,  -2364,  -2236,  -2108,  -1980,

        -1884,  -1820,  -1756,  -1692,  -1628,  -1564,  -1500,  -1436,

        -1372,  -1308,  -1244,  -1180,  -1116,  -1052,   -988,   -924,

        -876,   -844,   -812,   -780,   -748,   -716,   -684,   -652,

        -620,   -588,   -556,   -524,   -492,   -460,   -428,   -396,

        -372,   -356,   -340,   -324,   -308,   -292,   -276,   -260,

        -244,   -228,   -212,   -196,   -180,   -164,   -148,   -132,

        -120,   -112,   -104,    -96,    -88,    -80,    -72,    -64,

        -56,    -48,    -40,    -32,    -24,    -16,     -8,      0,

        32124,  31100,  30076,  29052,  28028,  27004,  25980,  24956,

        23932,  22908,  21884,  20860,  19836,  18812,  17788,  16764,

        15996,  15484,  14972,  14460,  13948,  13436,  12924,  12412,

        11900,  11388,  10876,  10364,   9852,   9340,   8828,   8316,

        7932,   7676,   7420,   7164,   6908,   6652,   6396,   6140,

        5884,   5628,   5372,   5116,   4860,   4604,   4348,   4092,

        3900,   3772,   3644,   3516,   3388,   3260,   3132,   3004,

        2876,   2748,   2620,   2492,   2364,   2236,   2108,   1980,

        1884,   1820,   1756,   1692,   1628,   1564,   1500,   1436,

        1372,   1308,   1244,   1180,   1116,   1052,    988,    924,

        876,    844,    812,    780,    748,    716,    684,    652,

        620,    588,    556,    524,    492,    460,    428,    396,

        372,    356,    340,    324,    308,    292,    276,    260,

        244,    228,    212,    196,    180,    164,    148,    132,

        120,    112,    104,     96,     88,     80,     72,     64,

         56,     48,     40,     32,     24,     16,      8,      0,

};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// µLaw compressor exponent table

type k8BitTableResType {

    array {

        byte;               // array of bytes

};

};

// make the resource locked since it's always locked while in use,

// marking it locked helps memory management: Resource Mgr will load it lower in heap

resource k8BitTableResType (kSoundCompressorResID, ULawCompressorName, locked) {

        0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,

        4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

        5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

        5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// options dialog resources

resource 'DLOG' (kSoundCompressorResID, ULawCompressorName, purgeable) {

    {0, 0, 150+13, 214+13},

#if TARGET_OS_MAC

    dBoxProc,

#else

    movableDBoxProc,

#endif

    invisible, noGoAway, 0, kSoundCompressorResID, ULawCompressorName, alertPositionParentWindow

};

resource 'DITL' (kSoundCompressorResID, ULawCompressorName, purgeable) {

/* [1] */   {130, 156, 150, 214}, Button {enabled, "OK"},

/* [2] */   {130, 78, 150, 136}, Button {enabled, "Cancel"},

/* [3] */   {13, 13, 45, 45}, Icon {disabled, kSoundComponentIconResID},

/* [4] */   {26, 65, 44, 216}, CheckBox {enabled, "I like this Icon"},

/* [5] */   {52, 13, 114, 217}, StaticText {disabled, "Example Sound Codec\n© 1998 Apple Computer Inc."

};

resource 'dlgx' (kSoundCompressorResID, ULawCompressorName, purgeable) {

    versionZero     /* sometimes the headers have this as latestVersion */

    {kDialogFlagsUseThemeBackground | kDialogFlagsUseControlHierarchy | kDialogFlagsUseThemeControls}

};

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