2002-03-22 20:16:10 +01:00
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/*
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* msg711.drv - G711 codec driver
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*
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* Copyright 2001 Hidenori Takeshima
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* FIXME - no encoding.
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*/
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#include "config.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winnls.h"
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#include "winuser.h"
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#include "mmsystem.h"
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#include "msacm.h"
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2002-04-02 02:45:25 +02:00
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#include "../msacmdrv.h"
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2002-03-22 20:16:10 +01:00
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msg711);
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/***********************************************************************/
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enum CodecType
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{
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CodecType_Invalid,
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CodecType_EncMuLaw,
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CodecType_EncALaw,
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CodecType_DecMuLaw,
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CodecType_DecALaw,
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};
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typedef struct CodecImpl
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{
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int dummy;
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} CodecImpl;
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/***********************************************************************/
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static const WORD dec_mulaw[256] =
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{
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0x8284, 0x8684, 0x8A84, 0x8E84, 0x9284, 0x9684, 0x9A84, 0x9E84,
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0xA284, 0xA684, 0xAA84, 0xAE84, 0xB284, 0xB684, 0xBA84, 0xBE84,
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0xC184, 0xC384, 0xC584, 0xC784, 0xC984, 0xCB84, 0xCD84, 0xCF84,
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0xD184, 0xD384, 0xD584, 0xD784, 0xD984, 0xDB84, 0xDD84, 0xDF84,
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0xE104, 0xE204, 0xE304, 0xE404, 0xE504, 0xE604, 0xE704, 0xE804,
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0xE904, 0xEA04, 0xEB04, 0xEC04, 0xED04, 0xEE04, 0xEF04, 0xF004,
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0xF0C4, 0xF144, 0xF1C4, 0xF244, 0xF2C4, 0xF344, 0xF3C4, 0xF444,
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0xF4C4, 0xF544, 0xF5C4, 0xF644, 0xF6C4, 0xF744, 0xF7C4, 0xF844,
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0xF8A4, 0xF8E4, 0xF924, 0xF964, 0xF9A4, 0xF9E4, 0xFA24, 0xFA64,
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0xFAA4, 0xFAE4, 0xFB24, 0xFB64, 0xFBA4, 0xFBE4, 0xFC24, 0xFC64,
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0xFC94, 0xFCB4, 0xFCD4, 0xFCF4, 0xFD14, 0xFD34, 0xFD54, 0xFD74,
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0xFD94, 0xFDB4, 0xFDD4, 0xFDF4, 0xFE14, 0xFE34, 0xFE54, 0xFE74,
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0xFE8C, 0xFE9C, 0xFEAC, 0xFEBC, 0xFECC, 0xFEDC, 0xFEEC, 0xFEFC,
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0xFF0C, 0xFF1C, 0xFF2C, 0xFF3C, 0xFF4C, 0xFF5C, 0xFF6C, 0xFF7C,
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0xFF88, 0xFF90, 0xFF98, 0xFFA0, 0xFFA8, 0xFFB0, 0xFFB8, 0xFFC0,
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0xFFC8, 0xFFD0, 0xFFD8, 0xFFE0, 0xFFE8, 0xFFF0, 0xFFF8, 0x0000,
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0x7D7C, 0x797C, 0x757C, 0x717C, 0x6D7C, 0x697C, 0x657C, 0x617C,
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0x5D7C, 0x597C, 0x557C, 0x517C, 0x4D7C, 0x497C, 0x457C, 0x417C,
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0x3E7C, 0x3C7C, 0x3A7C, 0x387C, 0x367C, 0x347C, 0x327C, 0x307C,
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0x2E7C, 0x2C7C, 0x2A7C, 0x287C, 0x267C, 0x247C, 0x227C, 0x207C,
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0x1EFC, 0x1DFC, 0x1CFC, 0x1BFC, 0x1AFC, 0x19FC, 0x18FC, 0x17FC,
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0x16FC, 0x15FC, 0x14FC, 0x13FC, 0x12FC, 0x11FC, 0x10FC, 0x0FFC,
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0x0F3C, 0x0EBC, 0x0E3C, 0x0DBC, 0x0D3C, 0x0CBC, 0x0C3C, 0x0BBC,
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0x0B3C, 0x0ABC, 0x0A3C, 0x09BC, 0x093C, 0x08BC, 0x083C, 0x07BC,
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0x075C, 0x071C, 0x06DC, 0x069C, 0x065C, 0x061C, 0x05DC, 0x059C,
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0x055C, 0x051C, 0x04DC, 0x049C, 0x045C, 0x041C, 0x03DC, 0x039C,
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0x036C, 0x034C, 0x032C, 0x030C, 0x02EC, 0x02CC, 0x02AC, 0x028C,
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0x026C, 0x024C, 0x022C, 0x020C, 0x01EC, 0x01CC, 0x01AC, 0x018C,
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0x0174, 0x0164, 0x0154, 0x0144, 0x0134, 0x0124, 0x0114, 0x0104,
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0x00F4, 0x00E4, 0x00D4, 0x00C4, 0x00B4, 0x00A4, 0x0094, 0x0084,
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0x0078, 0x0070, 0x0068, 0x0060, 0x0058, 0x0050, 0x0048, 0x0040,
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0x0038, 0x0030, 0x0028, 0x0020, 0x0018, 0x0010, 0x0008, 0x0000,
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};
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static const WORD dec_alaw[256] =
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{
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0xEA80, 0xEB80, 0xE880, 0xE980, 0xEE80, 0xEF80, 0xEC80, 0xED80,
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0xE280, 0xE380, 0xE080, 0xE180, 0xE680, 0xE780, 0xE480, 0xE580,
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0xF540, 0xF5C0, 0xF440, 0xF4C0, 0xF740, 0xF7C0, 0xF640, 0xF6C0,
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0xF140, 0xF1C0, 0xF040, 0xF0C0, 0xF340, 0xF3C0, 0xF240, 0xF2C0,
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0xAA00, 0xAE00, 0xA200, 0xA600, 0xBA00, 0xBE00, 0xB200, 0xB600,
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0x8A00, 0x8E00, 0x8200, 0x8600, 0x9A00, 0x9E00, 0x9200, 0x9600,
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0xD500, 0xD700, 0xD100, 0xD300, 0xDD00, 0xDF00, 0xD900, 0xDB00,
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0xC500, 0xC700, 0xC100, 0xC300, 0xCD00, 0xCF00, 0xC900, 0xCB00,
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0xFEA8, 0xFEB8, 0xFE88, 0xFE98, 0xFEE8, 0xFEF8, 0xFEC8, 0xFED8,
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0xFE28, 0xFE38, 0xFE08, 0xFE18, 0xFE68, 0xFE78, 0xFE48, 0xFE58,
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0xFFA8, 0xFFB8, 0xFF88, 0xFF98, 0xFFE8, 0xFFF8, 0xFFC8, 0xFFD8,
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0xFF28, 0xFF38, 0xFF08, 0xFF18, 0xFF68, 0xFF78, 0xFF48, 0xFF58,
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0xFAA0, 0xFAE0, 0xFA20, 0xFA60, 0xFBA0, 0xFBE0, 0xFB20, 0xFB60,
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0xF8A0, 0xF8E0, 0xF820, 0xF860, 0xF9A0, 0xF9E0, 0xF920, 0xF960,
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0xFD50, 0xFD70, 0xFD10, 0xFD30, 0xFDD0, 0xFDF0, 0xFD90, 0xFDB0,
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0xFC50, 0xFC70, 0xFC10, 0xFC30, 0xFCD0, 0xFCF0, 0xFC90, 0xFCB0,
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0x1580, 0x1480, 0x1780, 0x1680, 0x1180, 0x1080, 0x1380, 0x1280,
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0x1D80, 0x1C80, 0x1F80, 0x1E80, 0x1980, 0x1880, 0x1B80, 0x1A80,
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0x0AC0, 0x0A40, 0x0BC0, 0x0B40, 0x08C0, 0x0840, 0x09C0, 0x0940,
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0x0EC0, 0x0E40, 0x0FC0, 0x0F40, 0x0CC0, 0x0C40, 0x0DC0, 0x0D40,
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0x5600, 0x5200, 0x5E00, 0x5A00, 0x4600, 0x4200, 0x4E00, 0x4A00,
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0x7600, 0x7200, 0x7E00, 0x7A00, 0x6600, 0x6200, 0x6E00, 0x6A00,
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0x2B00, 0x2900, 0x2F00, 0x2D00, 0x2300, 0x2100, 0x2700, 0x2500,
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0x3B00, 0x3900, 0x3F00, 0x3D00, 0x3300, 0x3100, 0x3700, 0x3500,
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0x0158, 0x0148, 0x0178, 0x0168, 0x0118, 0x0108, 0x0138, 0x0128,
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0x01D8, 0x01C8, 0x01F8, 0x01E8, 0x0198, 0x0188, 0x01B8, 0x01A8,
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0x0058, 0x0048, 0x0078, 0x0068, 0x0018, 0x0008, 0x0038, 0x0028,
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0x00D8, 0x00C8, 0x00F8, 0x00E8, 0x0098, 0x0088, 0x00B8, 0x00A8,
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0x0560, 0x0520, 0x05E0, 0x05A0, 0x0460, 0x0420, 0x04E0, 0x04A0,
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0x0760, 0x0720, 0x07E0, 0x07A0, 0x0660, 0x0620, 0x06E0, 0x06A0,
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0x02B0, 0x0290, 0x02F0, 0x02D0, 0x0230, 0x0210, 0x0270, 0x0250,
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0x03B0, 0x0390, 0x03F0, 0x03D0, 0x0330, 0x0310, 0x0370, 0x0350,
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};
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static LONG MSG711_Decode( const WORD* pdec, BYTE* pbDst, DWORD cbDstLength, DWORD* pcbDstLengthUsed, BYTE* pbSrc, DWORD cbSrcLength, DWORD* pcbSrcLengthUsed )
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{
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DWORD cSample;
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WORD w;
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cSample = cbSrcLength;
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if ( cSample > (cbDstLength>>1) )
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cSample = (cbDstLength>>1);
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*pcbSrcLengthUsed = cSample;
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*pcbDstLengthUsed = cSample << 1;
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while ( cSample-- > 0 )
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{
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w = pdec[*pbSrc++];
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*pbDst++ = LOBYTE(w);
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*pbDst++ = HIBYTE(w);
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}
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return MMSYSERR_NOERROR;
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}
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/***********************************************************************/
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static LONG Codec_DrvQueryConfigure( CodecImpl* This )
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{
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return MMSYSERR_NOTSUPPORTED;
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}
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static LONG Codec_DrvConfigure( CodecImpl* This, HWND hwnd, DRVCONFIGINFO* pinfo )
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{
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return MMSYSERR_NOTSUPPORTED;
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}
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static LONG Codec_DriverDetails( ACMDRIVERDETAILSW* pDrvDetails )
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{
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if ( pDrvDetails->cbStruct < sizeof(ACMDRIVERDETAILSW) )
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return MMSYSERR_INVALPARAM;
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ZeroMemory( pDrvDetails, sizeof(ACMDRIVERDETAILSW) );
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pDrvDetails->cbStruct = sizeof(ACMDRIVERDETAILSW);
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pDrvDetails->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
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pDrvDetails->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
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pDrvDetails->wMid = 0xff; /* FIXME? */
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pDrvDetails->wPid = 0x00; /* FIXME? */
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pDrvDetails->vdwACM = 0x01000000; /* FIXME? */
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pDrvDetails->vdwDriver = 0x01000000; /* FIXME? */
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pDrvDetails->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
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pDrvDetails->cFormatTags = 3;
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pDrvDetails->cFilterTags = 0;
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pDrvDetails->hicon = (HICON)NULL;
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MultiByteToWideChar( CP_ACP, 0, "WineG711", -1,
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pDrvDetails->szShortName,
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sizeof(pDrvDetails->szShortName)/sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, "Wine G711 codec", -1,
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pDrvDetails->szLongName,
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sizeof(pDrvDetails->szLongName)/sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
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pDrvDetails->szCopyright,
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sizeof(pDrvDetails->szCopyright)/sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
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pDrvDetails->szLicensing,
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sizeof(pDrvDetails->szLicensing)/sizeof(WCHAR) );
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pDrvDetails->szFeatures[0] = 0;
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return MMSYSERR_NOERROR;
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}
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static LONG Codec_QueryAbout( void )
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{
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return MMSYSERR_NOTSUPPORTED;
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}
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static LONG Codec_About( HWND hwnd )
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{
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return MMSYSERR_NOTSUPPORTED;
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}
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/***********************************************************************/
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static LONG Codec_FormatTagDetails( CodecImpl* This, ACMFORMATTAGDETAILSW* pFmtTagDetails, DWORD dwFlags )
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{
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FIXME( "enumerate tags\n" );
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switch ( dwFlags )
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{
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case ACM_FORMATTAGDETAILSF_INDEX:
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switch ( pFmtTagDetails->dwFormatTagIndex )
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{
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case 0:
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pFmtTagDetails->dwFormatTag = 7; /* Mu-Law */
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break;
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case 1:
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pFmtTagDetails->dwFormatTag = 6; /* A-Law */
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break;
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case 2:
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pFmtTagDetails->dwFormatTag = 1; /* PCM */
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break;
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default:
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return ACMERR_NOTPOSSIBLE;
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}
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break;
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case ACM_FORMATTAGDETAILSF_FORMATTAG:
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switch ( pFmtTagDetails->dwFormatTag )
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{
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case 7: /* Mu-Law */
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pFmtTagDetails->dwFormatTagIndex = 0;
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break;
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case 6: /* A-Law */
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pFmtTagDetails->dwFormatTagIndex = 1;
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break;
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case 1: /* PCM */
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pFmtTagDetails->dwFormatTagIndex = 2;
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break;
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default:
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return ACMERR_NOTPOSSIBLE;
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}
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break;
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case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
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if ( pFmtTagDetails->dwFormatTag != 0 &&
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pFmtTagDetails->dwFormatTag != 1 &&
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pFmtTagDetails->dwFormatTag != 6 &&
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pFmtTagDetails->dwFormatTag != 7 )
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return ACMERR_NOTPOSSIBLE;
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pFmtTagDetails->dwFormatTagIndex = 0;
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break;
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default:
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return MMSYSERR_NOTSUPPORTED;
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}
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pFmtTagDetails->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
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pFmtTagDetails->cbFormatSize = sizeof(WAVEFORMATEX);
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pFmtTagDetails->cStandardFormats = 3; /* FIXME */
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pFmtTagDetails->szFormatTag[0] = 0; /* FIXME */
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return MMSYSERR_NOERROR;
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}
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static LONG Codec_FormatDetails( CodecImpl* This, ACMFORMATDETAILSW* pFmtDetails, DWORD dwFlags )
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{
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FIXME( "enumerate standard formats\n" );
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if ( pFmtDetails->cbStruct < sizeof(ACMFORMATDETAILSW) )
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return MMSYSERR_INVALPARAM;
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pFmtDetails->cbStruct = sizeof(ACMFORMATDETAILSW);
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|
|
|
|
|
|
|
switch ( dwFlags )
|
|
|
|
{
|
|
|
|
case ACM_FORMATDETAILSF_INDEX:
|
|
|
|
switch ( pFmtDetails->dwFormatIndex )
|
|
|
|
{
|
|
|
|
case 0:
|
|
|
|
pFmtDetails->dwFormatTag = 7; /* Mu-Law */
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
pFmtDetails->dwFormatTag = 6; /* A-Law */
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
pFmtDetails->dwFormatTag = 1; /* PCM */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case ACM_FORMATDETAILSF_FORMAT:
|
|
|
|
switch ( pFmtDetails->dwFormatTag )
|
|
|
|
{
|
|
|
|
case 7: /* Mu-Law */
|
|
|
|
pFmtDetails->dwFormatIndex = 0;
|
|
|
|
break;
|
|
|
|
case 6: /* A-Law */
|
|
|
|
pFmtDetails->dwFormatIndex = 1;
|
|
|
|
break;
|
|
|
|
case 1: /* PCM */
|
|
|
|
pFmtDetails->dwFormatIndex = 2;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
pFmtDetails->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
|
|
|
|
pFmtDetails->pwfx->wFormatTag = pFmtDetails->dwFormatTag;
|
|
|
|
pFmtDetails->pwfx->nChannels = 1;
|
|
|
|
pFmtDetails->pwfx->nSamplesPerSec = 8000;
|
|
|
|
pFmtDetails->pwfx->wBitsPerSample = 8;
|
|
|
|
if ( pFmtDetails->dwFormatTag == 1 )
|
|
|
|
{
|
|
|
|
pFmtDetails->cbwfx = sizeof(PCMWAVEFORMAT);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
pFmtDetails->pwfx->cbSize = 0;
|
|
|
|
pFmtDetails->cbwfx = sizeof(WAVEFORMATEX);
|
|
|
|
}
|
|
|
|
pFmtDetails->szFormat[0] = 0; /* FIXME */
|
|
|
|
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static LONG Codec_FormatSuggest( CodecImpl* This, ACMDRVFORMATSUGGEST* pFmtSuggest )
|
|
|
|
{
|
|
|
|
DWORD fdwSuggest;
|
|
|
|
|
|
|
|
FIXME( "get suggested format\n" );
|
|
|
|
|
|
|
|
if ( pFmtSuggest->cbStruct != sizeof(ACMDRVFORMATSUGGEST) )
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
|
|
|
|
if ( pFmtSuggest->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
|
|
|
|
pFmtSuggest->cbwfxDst < sizeof(PCMWAVEFORMAT) )
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
|
|
|
|
fdwSuggest = pFmtSuggest->fdwSuggest;
|
|
|
|
|
|
|
|
if ( fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS )
|
|
|
|
{
|
|
|
|
if ( pFmtSuggest->pwfxSrc->nChannels != pFmtSuggest->pwfxDst->nChannels )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
fdwSuggest &= ~ACM_FORMATSUGGESTF_NCHANNELS;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC )
|
|
|
|
{
|
|
|
|
if ( pFmtSuggest->pwfxSrc->nSamplesPerSec != pFmtSuggest->pwfxDst->nSamplesPerSec )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
fdwSuggest &= ~ACM_FORMATSUGGESTF_NSAMPLESPERSEC;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( pFmtSuggest->pwfxSrc->wFormatTag == 1 )
|
|
|
|
{
|
|
|
|
/* Compressor */
|
|
|
|
if ( pFmtSuggest->cbwfxDst < sizeof(WAVEFORMATEX) )
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
if ( pFmtSuggest->pwfxSrc->wBitsPerSample != 16 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
|
|
|
|
if ( fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG )
|
|
|
|
{
|
|
|
|
if ( pFmtSuggest->pwfxDst->wFormatTag != 6 &&
|
|
|
|
pFmtSuggest->pwfxDst->wFormatTag != 7 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
fdwSuggest &= ~ACM_FORMATSUGGESTF_WFORMATTAG;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE )
|
|
|
|
{
|
|
|
|
if ( pFmtSuggest->pwfxDst->wBitsPerSample != 8 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
fdwSuggest &= ~ACM_FORMATSUGGESTF_WFORMATTAG;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( fdwSuggest != 0 )
|
|
|
|
return MMSYSERR_INVALFLAG;
|
|
|
|
|
|
|
|
if ( !(fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG) )
|
|
|
|
pFmtSuggest->pwfxDst->wFormatTag = 7;
|
|
|
|
pFmtSuggest->pwfxDst->nChannels = pFmtSuggest->pwfxSrc->nChannels;
|
|
|
|
pFmtSuggest->pwfxDst->nSamplesPerSec = pFmtSuggest->pwfxSrc->nSamplesPerSec;
|
|
|
|
pFmtSuggest->pwfxDst->nAvgBytesPerSec = pFmtSuggest->pwfxSrc->nSamplesPerSec * pFmtSuggest->pwfxSrc->nChannels;
|
|
|
|
pFmtSuggest->pwfxDst->nBlockAlign = pFmtSuggest->pwfxSrc->nChannels;
|
|
|
|
pFmtSuggest->pwfxDst->wBitsPerSample = 8;
|
|
|
|
pFmtSuggest->pwfxDst->cbSize = 0;
|
|
|
|
|
|
|
|
FIXME( "no compressor" );
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Decompressor */
|
|
|
|
if ( pFmtSuggest->cbwfxSrc < sizeof(WAVEFORMATEX) )
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
if ( pFmtSuggest->pwfxSrc->wFormatTag != 6 &&
|
|
|
|
pFmtSuggest->pwfxSrc->wFormatTag != 7 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
if ( pFmtSuggest->pwfxSrc->wBitsPerSample != 8 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
|
|
|
|
if ( fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG )
|
|
|
|
{
|
|
|
|
if ( pFmtSuggest->pwfxDst->wFormatTag != 1 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
fdwSuggest &= ~ACM_FORMATSUGGESTF_WFORMATTAG;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE )
|
|
|
|
{
|
|
|
|
if ( pFmtSuggest->pwfxDst->wBitsPerSample != 16 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
fdwSuggest &= ~ACM_FORMATSUGGESTF_WFORMATTAG;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( fdwSuggest != 0 )
|
|
|
|
return MMSYSERR_INVALFLAG;
|
|
|
|
|
|
|
|
pFmtSuggest->pwfxDst->wFormatTag = 1;
|
|
|
|
pFmtSuggest->pwfxDst->nChannels = pFmtSuggest->pwfxSrc->nChannels;
|
|
|
|
pFmtSuggest->pwfxDst->nSamplesPerSec = pFmtSuggest->pwfxSrc->nSamplesPerSec;
|
|
|
|
pFmtSuggest->pwfxDst->nAvgBytesPerSec = pFmtSuggest->pwfxSrc->nSamplesPerSec * pFmtSuggest->pwfxSrc->nChannels * 2;
|
|
|
|
pFmtSuggest->pwfxDst->nBlockAlign = pFmtSuggest->pwfxSrc->nChannels * 2;
|
|
|
|
pFmtSuggest->pwfxDst->wBitsPerSample = 16;
|
|
|
|
}
|
|
|
|
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_FilterTagDetails( CodecImpl* This, ACMFILTERTAGDETAILSW* pFilterTagDetails, DWORD dwFlags )
|
|
|
|
{
|
|
|
|
/* This is a codec driver. */
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_FilterDetails( CodecImpl* This, ACMFILTERDETAILSW* pFilterDetails, DWORD dwFlags )
|
|
|
|
{
|
|
|
|
/* This is a codec driver. */
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamOpen( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst )
|
|
|
|
{
|
|
|
|
enum CodecType codectype = CodecType_Invalid;
|
|
|
|
|
|
|
|
if ( pStreamInst->cbStruct != sizeof(ACMDRVSTREAMINSTANCE) )
|
|
|
|
{
|
|
|
|
TRACE("invalid size of struct\n");
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( pStreamInst->fdwOpen & (~(ACM_STREAMOPENF_ASYNC|ACM_STREAMOPENF_NONREALTIME|ACM_STREAMOPENF_QUERY|CALLBACK_EVENT|CALLBACK_FUNCTION|CALLBACK_WINDOW)) )
|
|
|
|
{
|
|
|
|
TRACE("unknown flags\n");
|
|
|
|
return MMSYSERR_INVALFLAG;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* No support for async operations. */
|
|
|
|
if ( pStreamInst->fdwOpen & ACM_STREAMOPENF_ASYNC )
|
|
|
|
return MMSYSERR_INVALFLAG;
|
|
|
|
|
|
|
|
/* This is a codec driver. */
|
|
|
|
if ( pStreamInst->pwfxSrc->nChannels != pStreamInst->pwfxDst->nChannels || pStreamInst->pwfxSrc->nSamplesPerSec != pStreamInst->pwfxDst->nSamplesPerSec )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
if ( pStreamInst->pwfltr != NULL )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
|
|
|
|
if ( pStreamInst->pwfxSrc->wFormatTag == 1 )
|
|
|
|
{
|
|
|
|
if ( pStreamInst->pwfxSrc->wBitsPerSample != 16 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
if ( pStreamInst->pwfxDst->wBitsPerSample != 8 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
|
|
|
|
/* Queried as a compressor */
|
|
|
|
FIXME( "Compressor is not implemented now\n" );
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
if ( pStreamInst->pwfxDst->wFormatTag == 1 )
|
|
|
|
{
|
|
|
|
if ( pStreamInst->pwfxDst->wBitsPerSample != 16 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
if ( pStreamInst->pwfxSrc->wBitsPerSample != 8 )
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
|
|
|
|
switch ( pStreamInst->pwfxSrc->wFormatTag )
|
|
|
|
{
|
|
|
|
case 6: /* A-Law */
|
|
|
|
TRACE( "A-Law deompressor\n" );
|
|
|
|
codectype = CodecType_DecALaw;
|
|
|
|
break;
|
|
|
|
case 7: /* Mu-Law */
|
|
|
|
TRACE( "Mu-Law deompressor\n" );
|
|
|
|
codectype = CodecType_DecMuLaw;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( pStreamInst->fdwOpen & ACM_STREAMOPENF_QUERY )
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
|
|
|
|
pStreamInst->dwDriver = (DWORD)codectype;
|
|
|
|
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamClose( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst )
|
|
|
|
{
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamSize( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst, ACMDRVSTREAMSIZE* pStreamSize )
|
|
|
|
{
|
|
|
|
enum CodecType codectype;
|
|
|
|
LONG res;
|
|
|
|
|
|
|
|
if ( pStreamSize->cbStruct != sizeof(ACMDRVSTREAMSIZE) )
|
|
|
|
return MMSYSERR_INVALPARAM;
|
|
|
|
|
|
|
|
codectype = (enum CodecType)pStreamInst->dwDriver;
|
|
|
|
|
|
|
|
res = MMSYSERR_NOERROR;
|
|
|
|
switch ( codectype )
|
|
|
|
{
|
|
|
|
case CodecType_EncMuLaw:
|
|
|
|
case CodecType_EncALaw:
|
|
|
|
if ( pStreamSize->fdwSize == ACM_STREAMSIZEF_SOURCE )
|
|
|
|
pStreamSize->cbDstLength = pStreamSize->cbSrcLength >> 1;
|
|
|
|
else
|
|
|
|
if ( pStreamSize->fdwSize == ACM_STREAMSIZEF_DESTINATION )
|
|
|
|
pStreamSize->cbSrcLength = pStreamSize->cbDstLength << 1;
|
|
|
|
else
|
|
|
|
res = MMSYSERR_INVALFLAG;
|
|
|
|
break;
|
|
|
|
case CodecType_DecMuLaw:
|
|
|
|
case CodecType_DecALaw:
|
|
|
|
if ( pStreamSize->fdwSize == ACM_STREAMSIZEF_SOURCE )
|
|
|
|
pStreamSize->cbDstLength = pStreamSize->cbSrcLength << 1;
|
|
|
|
else
|
|
|
|
if ( pStreamSize->fdwSize == ACM_STREAMSIZEF_DESTINATION )
|
|
|
|
pStreamSize->cbSrcLength = pStreamSize->cbDstLength >> 1;
|
|
|
|
else
|
|
|
|
res = MMSYSERR_INVALFLAG;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ERR( "CodecType_Invalid\n" );
|
|
|
|
res = MMSYSERR_NOTSUPPORTED;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamConvert( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst, ACMDRVSTREAMHEADER* pStreamHdr )
|
|
|
|
{
|
|
|
|
enum CodecType codectype;
|
|
|
|
LONG res;
|
|
|
|
|
|
|
|
codectype = (enum CodecType)pStreamInst->dwDriver;
|
|
|
|
|
|
|
|
res = MMSYSERR_NOTSUPPORTED;
|
|
|
|
switch ( codectype )
|
|
|
|
{
|
|
|
|
case CodecType_EncMuLaw:
|
|
|
|
FIXME( "CodecType_EncMuLaw\n" );
|
|
|
|
break;
|
|
|
|
case CodecType_EncALaw:
|
|
|
|
FIXME( "CodecType_EncALaw\n" );
|
|
|
|
break;
|
|
|
|
case CodecType_DecMuLaw:
|
|
|
|
TRACE( "CodecType_DecMuLaw\n" );
|
|
|
|
res = MSG711_Decode( dec_mulaw, pStreamHdr->pbDst, pStreamHdr->cbDstLength, &pStreamHdr->cbDstLengthUsed, pStreamHdr->pbSrc, pStreamHdr->cbSrcLength, &pStreamHdr->cbSrcLengthUsed );
|
|
|
|
break;
|
|
|
|
case CodecType_DecALaw:
|
|
|
|
TRACE( "CodecType_DecALaw\n" );
|
|
|
|
res = MSG711_Decode( dec_alaw, pStreamHdr->pbDst, pStreamHdr->cbDstLength, &pStreamHdr->cbDstLengthUsed, pStreamHdr->pbSrc, pStreamHdr->cbSrcLength, &pStreamHdr->cbSrcLengthUsed );
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ERR( "CodecType_Invalid\n" );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamReset( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst, DWORD dwFlags )
|
|
|
|
{
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamPrepare( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst, ACMDRVSTREAMHEADER* pStreamHdr )
|
|
|
|
{
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LONG Codec_StreamUnprepare( CodecImpl* This, ACMDRVSTREAMINSTANCE* pStreamInst, ACMDRVSTREAMHEADER* pStreamHdr )
|
|
|
|
{
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************/
|
|
|
|
|
|
|
|
static CodecImpl* Codec_AllocDriver( void )
|
|
|
|
{
|
|
|
|
CodecImpl* This;
|
|
|
|
|
|
|
|
This = HeapAlloc( GetProcessHeap(), 0, sizeof(CodecImpl) );
|
|
|
|
if ( This == NULL )
|
|
|
|
return NULL;
|
|
|
|
ZeroMemory( This, sizeof(CodecImpl) );
|
|
|
|
|
|
|
|
/* initialize members. */
|
|
|
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return This;
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}
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static void Codec_Close( CodecImpl* This )
|
|
|
|
{
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|
|
|
|
|
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|
HeapFree( GetProcessHeap(), 0, This );
|
|
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|
}
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|
/***********************************************************************/
|
|
|
|
|
|
|
|
LONG WINAPI MSG711_DriverProc(
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|
|
|
DWORD dwDriverId, HDRVR hdrvr, UINT msg, LONG lParam1, LONG lParam2 )
|
|
|
|
{
|
|
|
|
TRACE( "DriverProc(%08lx,%08x,%08x,%08lx,%08lx)\n",
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|
|
|
dwDriverId, hdrvr, msg, lParam1, lParam2 );
|
|
|
|
|
|
|
|
switch ( msg )
|
|
|
|
{
|
|
|
|
case DRV_LOAD:
|
|
|
|
TRACE("DRV_LOAD\n");
|
|
|
|
return TRUE;
|
|
|
|
case DRV_FREE:
|
|
|
|
TRACE("DRV_FREE\n");
|
|
|
|
return TRUE;
|
|
|
|
case DRV_OPEN:
|
|
|
|
TRACE("DRV_OPEN\n");
|
|
|
|
return (LONG)Codec_AllocDriver();
|
|
|
|
case DRV_CLOSE:
|
|
|
|
TRACE("DRV_CLOSE\n");
|
|
|
|
Codec_Close( (CodecImpl*)dwDriverId );
|
|
|
|
return TRUE;
|
|
|
|
case DRV_ENABLE:
|
|
|
|
TRACE("DRV_ENABLE\n");
|
|
|
|
return TRUE;
|
|
|
|
case DRV_DISABLE:
|
|
|
|
TRACE("DRV_DISABLE\n");
|
|
|
|
return TRUE;
|
|
|
|
case DRV_QUERYCONFIGURE:
|
|
|
|
TRACE("DRV_QUERYCONFIGURE\n");
|
|
|
|
return Codec_DrvQueryConfigure( (CodecImpl*)dwDriverId );
|
|
|
|
case DRV_CONFIGURE:
|
|
|
|
TRACE("DRV_CONFIGURE\n");
|
|
|
|
return Codec_DrvConfigure( (CodecImpl*)dwDriverId,
|
|
|
|
(HWND)lParam1, (DRVCONFIGINFO*)lParam2 );
|
|
|
|
case DRV_INSTALL:
|
|
|
|
TRACE("DRV_INSTALL\n");
|
|
|
|
return DRVCNF_OK;
|
|
|
|
case DRV_REMOVE:
|
|
|
|
TRACE("DRV_REMOVE\n");
|
|
|
|
return 0;
|
|
|
|
case DRV_POWER:
|
|
|
|
TRACE("DRV_POWER\n");
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
case ACMDM_DRIVER_NOTIFY:
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
case ACMDM_DRIVER_DETAILS:
|
|
|
|
return Codec_DriverDetails((ACMDRIVERDETAILSW*)lParam1);
|
|
|
|
case ACMDM_DRIVER_ABOUT:
|
|
|
|
TRACE("ACMDM_DRIVER_ABOUT\n");
|
|
|
|
return (lParam1 == -1) ? Codec_QueryAbout() : Codec_About( (HWND)lParam1 );
|
|
|
|
|
|
|
|
case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
|
|
|
|
case ACMDM_FORMATTAG_DETAILS:
|
|
|
|
return Codec_FormatTagDetails( (CodecImpl*)dwDriverId, (ACMFORMATTAGDETAILSW*)lParam1, (DWORD)lParam2 );
|
|
|
|
case ACMDM_FORMAT_DETAILS:
|
|
|
|
return Codec_FormatDetails( (CodecImpl*)dwDriverId, (ACMFORMATDETAILSW*)lParam1, (DWORD)lParam2 );
|
|
|
|
case ACMDM_FORMAT_SUGGEST:
|
|
|
|
return Codec_FormatSuggest( (CodecImpl*)dwDriverId, (ACMDRVFORMATSUGGEST*)lParam1 );
|
|
|
|
|
|
|
|
case ACMDM_FILTERTAG_DETAILS:
|
|
|
|
return Codec_FilterTagDetails( (CodecImpl*)dwDriverId, (ACMFILTERTAGDETAILSW*)lParam1, (DWORD)lParam2 );
|
|
|
|
case ACMDM_FILTER_DETAILS:
|
|
|
|
return Codec_FilterDetails( (CodecImpl*)dwDriverId, (ACMFILTERDETAILSW*)lParam1, (DWORD)lParam2 );
|
|
|
|
|
|
|
|
case ACMDM_STREAM_OPEN:
|
|
|
|
return Codec_StreamOpen( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1 );
|
|
|
|
case ACMDM_STREAM_CLOSE:
|
|
|
|
return Codec_StreamClose( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1 );
|
|
|
|
case ACMDM_STREAM_SIZE:
|
|
|
|
return Codec_StreamSize( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1, (ACMDRVSTREAMSIZE*)lParam2 );
|
|
|
|
case ACMDM_STREAM_CONVERT:
|
|
|
|
return Codec_StreamConvert( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1, (ACMDRVSTREAMHEADER*)lParam2 );
|
|
|
|
case ACMDM_STREAM_RESET:
|
|
|
|
return Codec_StreamReset( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1, (DWORD)lParam2 );
|
|
|
|
case ACMDM_STREAM_PREPARE:
|
|
|
|
return Codec_StreamPrepare( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1, (ACMDRVSTREAMHEADER*)lParam2 );
|
|
|
|
case ACMDM_STREAM_UNPREPARE:
|
|
|
|
return Codec_StreamUnprepare( (CodecImpl*)dwDriverId, (ACMDRVSTREAMINSTANCE*)lParam1, (ACMDRVSTREAMHEADER*)lParam2 );
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return DefDriverProc( dwDriverId, hdrvr, msg, lParam1, lParam2 );
|
|
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************/
|
|
|
|
|
|
|
|
BOOL WINAPI MSG711_DllMain( HINSTANCE hInst, DWORD dwReason, LPVOID lpvReserved )
|
|
|
|
{
|
|
|
|
TRACE( "(%08x,%08lx,%p)\n",hInst,dwReason,lpvReserved );
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|