Sweden-Number/dlls/msgsm32.acm/msgsm32.c

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/*
* GSM 06.10 codec handling
* Copyright (C) 2009 Maarten Lankhorst
*
* Based on msg711.acm
* Copyright (C) 2002 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <wine/port.h>
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#ifdef HAVE_GSM_GSM_H
#include <gsm/gsm.h>
#elif defined(HAVE_GSM_H)
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#include <gsm.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "mmsystem.h"
#include "mmreg.h"
#include "msacm.h"
#include "msacmdrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gsm);
#ifdef SONAME_LIBGSM
static void *libgsm_handle;
#define FUNCPTR(f) static typeof(f) * p##f
FUNCPTR(gsm_create);
FUNCPTR(gsm_destroy);
FUNCPTR(gsm_option);
FUNCPTR(gsm_encode);
FUNCPTR(gsm_decode);
#define LOAD_FUNCPTR(f) \
if((p##f = dlsym(libgsm_handle, #f)) == NULL) { \
dlclose(libgsm_handle); \
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libgsm_handle = NULL; \
return FALSE; \
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}
/***********************************************************************
* GSM_drvLoad
*/
static BOOL GSM_drvLoad(void)
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{
libgsm_handle = dlopen(SONAME_LIBGSM, RTLD_NOW);
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if (libgsm_handle)
{
LOAD_FUNCPTR(gsm_create);
LOAD_FUNCPTR(gsm_destroy);
LOAD_FUNCPTR(gsm_option);
LOAD_FUNCPTR(gsm_encode);
LOAD_FUNCPTR(gsm_decode);
return TRUE;
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}
else
{
ERR("Couldn't load " SONAME_LIBGSM ": %s\n", dlerror());
return FALSE;
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}
}
/***********************************************************************
* GSM_drvFree
*/
static LRESULT GSM_drvFree(void)
{
if (libgsm_handle)
dlclose(libgsm_handle);
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return 1;
}
#else
static LRESULT GSM_drvFree(void)
{
return 1;
}
#endif
/***********************************************************************
* GSM_DriverDetails
*
*/
static LRESULT GSM_DriverDetails(PACMDRIVERDETAILSW add)
{
add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
/* Details found from probing native msgsm32.acm */
add->wMid = MM_MICROSOFT;
add->wPid = MM_MSFT_ACM_GSM610;
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add->vdwACM = 0x3320000;
add->vdwDriver = 0x4000000;
add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
add->cFormatTags = 2;
add->cFilterTags = 0;
add->hicon = NULL;
MultiByteToWideChar( CP_ACP, 0, "Microsoft GSM 6.10", -1,
add->szShortName, ARRAY_SIZE( add->szShortName ));
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MultiByteToWideChar( CP_ACP, 0, "Wine GSM 6.10 libgsm codec", -1,
add->szLongName, ARRAY_SIZE( add->szLongName ));
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MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
add->szCopyright, ARRAY_SIZE( add->szCopyright ));
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MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
add->szLicensing, ARRAY_SIZE( add->szLicensing ));
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add->szFeatures[0] = 0;
return MMSYSERR_NOERROR;
}
/* Validate a WAVEFORMATEX structure */
static BOOL GSM_FormatValidate(const WAVEFORMATEX *wfx)
{
if (wfx->nChannels != 1)
return FALSE;
switch (wfx->wFormatTag)
{
case WAVE_FORMAT_PCM:
if (wfx->wBitsPerSample != 16)
{
WARN("PCM wBitsPerSample %u\n", wfx->wBitsPerSample);
return FALSE;
}
if (wfx->nBlockAlign != 2)
{
WARN("PCM nBlockAlign %u\n", wfx->nBlockAlign);
return FALSE;
}
if (wfx->nAvgBytesPerSec != wfx->nBlockAlign * wfx->nSamplesPerSec)
{
WARN("PCM nAvgBytesPerSec %u/%u\n",
wfx->nAvgBytesPerSec,
wfx->nBlockAlign * wfx->nSamplesPerSec);
return FALSE;
}
return TRUE;
case WAVE_FORMAT_GSM610:
if (wfx->cbSize < sizeof(WORD))
{
WARN("GSM cbSize %u\n", wfx->cbSize);
return FALSE;
}
if (wfx->wBitsPerSample != 0)
{
WARN("GSM wBitsPerSample %u\n", wfx->wBitsPerSample);
return FALSE;
}
if (wfx->nBlockAlign != 65)
{
WARN("GSM nBlockAlign %u\n", wfx->nBlockAlign);
return FALSE;
}
if (((const GSM610WAVEFORMAT*)wfx)->wSamplesPerBlock != 320)
{
WARN("GSM wSamplesPerBlock %u\n",
((const GSM610WAVEFORMAT*)wfx)->wSamplesPerBlock);
return FALSE;
}
if (wfx->nAvgBytesPerSec != wfx->nSamplesPerSec * 65 / 320)
{
WARN("GSM nAvgBytesPerSec %d / %d\n",
wfx->nAvgBytesPerSec, wfx->nSamplesPerSec * 65 / 320);
return FALSE;
}
return TRUE;
default:
return FALSE;
}
return FALSE;
}
static const DWORD gsm_rates[] = { 8000, 11025, 22050, 44100, 48000, 96000 };
/***********************************************************************
* GSM_FormatTagDetails
*
*/
static LRESULT GSM_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
{
static const WCHAR szPcm[]={'P','C','M',0};
static const WCHAR szGsm[]={'G','S','M',' ','6','.','1','0',0};
switch (dwQuery)
{
case ACM_FORMATTAGDETAILSF_INDEX:
if (aftd->dwFormatTagIndex > 1) return ACMERR_NOTPOSSIBLE;
break;
case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
{
aftd->dwFormatTagIndex = 1;
break;
}
/* fall through */
case ACM_FORMATTAGDETAILSF_FORMATTAG:
switch (aftd->dwFormatTag)
{
case WAVE_FORMAT_PCM: aftd->dwFormatTagIndex = 0; break;
case WAVE_FORMAT_GSM610: aftd->dwFormatTagIndex = 1; break;
default: return ACMERR_NOTPOSSIBLE;
}
break;
default:
WARN("Unsupported query %08x\n", dwQuery);
return MMSYSERR_NOTSUPPORTED;
}
aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
switch (aftd->dwFormatTagIndex)
{
case 0:
aftd->dwFormatTag = WAVE_FORMAT_PCM;
aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
aftd->cStandardFormats = ARRAY_SIZE(gsm_rates);
lstrcpyW(aftd->szFormatTag, szPcm);
break;
case 1:
aftd->dwFormatTag = WAVE_FORMAT_GSM610;
aftd->cbFormatSize = sizeof(GSM610WAVEFORMAT);
aftd->cStandardFormats = ARRAY_SIZE(gsm_rates);
lstrcpyW(aftd->szFormatTag, szGsm);
break;
}
return MMSYSERR_NOERROR;
}
/***********************************************************************
* GSM_FormatDetails
*
*/
static LRESULT GSM_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
{
switch (dwQuery)
{
case ACM_FORMATDETAILSF_FORMAT:
if (!GSM_FormatValidate(afd->pwfx)) return ACMERR_NOTPOSSIBLE;
break;
case ACM_FORMATDETAILSF_INDEX:
afd->pwfx->wFormatTag = afd->dwFormatTag;
switch (afd->dwFormatTag)
{
case WAVE_FORMAT_PCM:
if (afd->dwFormatIndex >= ARRAY_SIZE(gsm_rates)) return ACMERR_NOTPOSSIBLE;
afd->pwfx->nChannels = 1;
afd->pwfx->nSamplesPerSec = gsm_rates[afd->dwFormatIndex];
afd->pwfx->wBitsPerSample = 16;
afd->pwfx->nBlockAlign = 2;
afd->pwfx->nAvgBytesPerSec = afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
break;
case WAVE_FORMAT_GSM610:
if (afd->dwFormatIndex >= ARRAY_SIZE(gsm_rates)) return ACMERR_NOTPOSSIBLE;
afd->pwfx->nChannels = 1;
afd->pwfx->nSamplesPerSec = gsm_rates[afd->dwFormatIndex];
afd->pwfx->wBitsPerSample = 0;
afd->pwfx->nBlockAlign = 65;
afd->pwfx->nAvgBytesPerSec = afd->pwfx->nSamplesPerSec * 65 / 320;
afd->pwfx->cbSize = sizeof(WORD);
((GSM610WAVEFORMAT*)afd->pwfx)->wSamplesPerBlock = 320;
break;
default:
WARN("Unsupported tag %08x\n", afd->dwFormatTag);
return MMSYSERR_INVALPARAM;
}
break;
default:
WARN("Unsupported query %08x\n", dwQuery);
return MMSYSERR_NOTSUPPORTED;
}
afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
afd->szFormat[0] = 0; /* let MSACM format this for us... */
return MMSYSERR_NOERROR;
}
/***********************************************************************
* GSM_FormatSuggest
*
*/
static LRESULT GSM_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
{
/* some tests ... */
if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
!GSM_FormatValidate(adfs->pwfxSrc)) return ACMERR_NOTPOSSIBLE;
/* FIXME: should do those tests against the real size (according to format tag */
/* If no suggestion for destination, then copy source value */
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
{
if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
adfs->pwfxDst->wBitsPerSample = 0;
else
adfs->pwfxDst->wBitsPerSample = 16;
}
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
{
switch (adfs->pwfxSrc->wFormatTag)
{
case WAVE_FORMAT_PCM: adfs->pwfxDst->wFormatTag = WAVE_FORMAT_GSM610; break;
case WAVE_FORMAT_GSM610: adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM; break;
}
}
/* recompute other values */
switch (adfs->pwfxDst->wFormatTag)
{
case WAVE_FORMAT_PCM:
adfs->pwfxDst->nBlockAlign = 2;
adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * 2;
break;
case WAVE_FORMAT_GSM610:
if (adfs->pwfxDst->cbSize < sizeof(WORD))
return ACMERR_NOTPOSSIBLE;
adfs->pwfxDst->nBlockAlign = 65;
adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * 65 / 320;
((GSM610WAVEFORMAT*)adfs->pwfxDst)->wSamplesPerBlock = 320;
break;
default:
return ACMERR_NOTPOSSIBLE;
}
/* check if result is ok */
if (!GSM_FormatValidate(adfs->pwfxDst)) return ACMERR_NOTPOSSIBLE;
return MMSYSERR_NOERROR;
}
#ifdef SONAME_LIBGSM
/***********************************************************************
* GSM_StreamOpen
*
*/
static LRESULT GSM_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
{
int used = 1;
gsm r;
if (!GSM_FormatValidate(adsi->pwfxSrc) || !GSM_FormatValidate(adsi->pwfxDst))
return MMSYSERR_NOTSUPPORTED;
if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec)
return MMSYSERR_NOTSUPPORTED;
if (!GSM_drvLoad()) return MMSYSERR_NOTSUPPORTED;
r = pgsm_create();
if (!r)
return MMSYSERR_NOMEM;
if (pgsm_option(r, GSM_OPT_WAV49, &used) < 0)
{
FIXME("Your libgsm library doesn't support GSM_OPT_WAV49\n");
FIXME("Please recompile libgsm with WAV49 support\n");
pgsm_destroy(r);
return MMSYSERR_NOTSUPPORTED;
}
adsi->dwDriver = (DWORD_PTR)r;
return MMSYSERR_NOERROR;
}
/***********************************************************************
* GSM_StreamClose
*
*/
static LRESULT GSM_StreamClose(PACMDRVSTREAMINSTANCE adsi)
{
pgsm_destroy((gsm)adsi->dwDriver);
return MMSYSERR_NOERROR;
}
/***********************************************************************
* GSM_StreamSize
*
*/
static LRESULT GSM_StreamSize(const ACMDRVSTREAMINSTANCE *adsi, PACMDRVSTREAMSIZE adss)
{
switch (adss->fdwSize)
{
case ACM_STREAMSIZEF_DESTINATION:
/* cbDstLength => cbSrcLength */
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_GSM610)
{
adss->cbSrcLength = adss->cbDstLength / 65 * 640;
}
else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_GSM610 &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
{
adss->cbSrcLength = adss->cbDstLength / 640 * 65;
}
else
{
return MMSYSERR_NOTSUPPORTED;
}
return MMSYSERR_NOERROR;
case ACM_STREAMSIZEF_SOURCE:
/* cbSrcLength => cbDstLength */
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_GSM610)
{
adss->cbDstLength = (adss->cbSrcLength + 639) / 640 * 65;
}
else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_GSM610 &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
{
adss->cbDstLength = adss->cbSrcLength / 65 * 640;
}
else
{
return MMSYSERR_NOTSUPPORTED;
}
return MMSYSERR_NOERROR;
default:
WARN("Unsupported query %08x\n", adss->fdwSize);
return MMSYSERR_NOTSUPPORTED;
}
}
/***********************************************************************
* GSM_StreamConvert
*
*/
static LRESULT GSM_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
{
gsm r = (gsm)adsi->dwDriver;
DWORD nsrc = 0;
DWORD ndst = 0;
BYTE *src = adsh->pbSrc;
BYTE *dst = adsh->pbDst;
int odd = 0;
if (adsh->fdwConvert &
~(ACM_STREAMCONVERTF_BLOCKALIGN|
ACM_STREAMCONVERTF_END|
ACM_STREAMCONVERTF_START))
{
FIXME("Unsupported fdwConvert (%08x), ignoring it\n", adsh->fdwConvert);
}
/* Reset the index to 0, just to be sure */
pgsm_option(r, GSM_OPT_FRAME_INDEX, &odd);
/* The native ms codec writes 65 bytes, and this requires 2 libgsm calls.
* First 32 bytes are written, or 33 bytes read
* Second 33 bytes are written, or 32 bytes read
*/
/* Decode */
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_GSM610)
{
if (adsh->cbSrcLength / 65 * 640 > adsh->cbDstLength)
{
return ACMERR_NOTPOSSIBLE;
}
while (nsrc + 65 <= adsh->cbSrcLength)
{
/* Decode data */
if (pgsm_decode(r, src + nsrc, (gsm_signal*)(dst + ndst)) < 0)
FIXME("Couldn't decode data\n");
ndst += 320;
nsrc += 33;
if (pgsm_decode(r, src + nsrc, (gsm_signal*)(dst + ndst)) < 0)
FIXME("Couldn't decode data\n");
ndst += 320;
nsrc += 32;
}
}
else
{
/* Testing a little seems to reveal that despite being able to fit
* inside the buffer if ACM_STREAMCONVERTF_BLOCKALIGN is set
* it still rounds up
*/
if ((adsh->cbSrcLength + 639) / 640 * 65 > adsh->cbDstLength)
{
return ACMERR_NOTPOSSIBLE;
}
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/* The packing algorithm writes 32 bytes, then 33 bytes,
* and it seems to pad to align to 65 bytes always
* adding extra data where necessary
*/
while (nsrc + 640 <= adsh->cbSrcLength)
{
/* Encode data */
pgsm_encode(r, (gsm_signal*)(src+nsrc), dst+ndst);
nsrc += 320;
ndst += 32;
pgsm_encode(r, (gsm_signal*)(src+nsrc), dst+ndst);
nsrc += 320;
ndst += 33;
}
/* If ACM_STREAMCONVERTF_BLOCKALIGN isn't set pad with zeros */
if (!(adsh->fdwConvert & ACM_STREAMCONVERTF_BLOCKALIGN) &&
nsrc < adsh->cbSrcLength)
{
char emptiness[320];
int todo = adsh->cbSrcLength - nsrc;
if (todo > 320)
{
pgsm_encode(r, (gsm_signal*)(src+nsrc), dst+ndst);
ndst += 32;
todo -= 320;
nsrc += 320;
memcpy(emptiness, src+nsrc, todo);
memset(emptiness + todo, 0, 320 - todo);
pgsm_encode(r, (gsm_signal*)emptiness, dst+ndst);
ndst += 33;
}
else
{
memcpy(emptiness, src+nsrc, todo);
memset(emptiness + todo, 0, 320 - todo);
pgsm_encode(r, (gsm_signal*)emptiness, dst+ndst);
ndst += 32;
memset(emptiness, 0, todo);
pgsm_encode(r, (gsm_signal*)emptiness, dst+ndst);
ndst += 33;
}
nsrc = adsh->cbSrcLength;
}
}
adsh->cbSrcLengthUsed = nsrc;
adsh->cbDstLengthUsed = ndst;
TRACE("%d(%d) -> %d(%d)\n", nsrc, adsh->cbSrcLength, ndst, adsh->cbDstLength);
return MMSYSERR_NOERROR;
}
#endif
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/**************************************************************************
* GSM_DriverProc [exported]
*/
LRESULT CALLBACK GSM_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
LPARAM dwParam1, LPARAM dwParam2)
{
TRACE("(%08lx %p %04x %08lx %08lx);\n",
dwDevID, hDriv, wMsg, dwParam1, dwParam2);
switch (wMsg)
{
case DRV_LOAD: return 1;
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case DRV_FREE: return GSM_drvFree();
case DRV_OPEN: return 1;
case DRV_CLOSE: return 1;
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBoxA(0, "GSM 06.10 codec", "Wine Driver", MB_OK); return 1;
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
case ACMDM_DRIVER_NOTIFY:
/* no caching from other ACM drivers is done so far */
return MMSYSERR_NOERROR;
case ACMDM_DRIVER_DETAILS:
return GSM_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
case ACMDM_FORMATTAG_DETAILS:
return GSM_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
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case ACMDM_FORMAT_DETAILS:
return GSM_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
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case ACMDM_FORMAT_SUGGEST:
return GSM_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
#ifdef SONAME_LIBGSM
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case ACMDM_STREAM_OPEN:
return GSM_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
case ACMDM_STREAM_CLOSE:
return GSM_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
case ACMDM_STREAM_SIZE:
return GSM_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
case ACMDM_STREAM_CONVERT:
return GSM_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
#else
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case ACMDM_STREAM_OPEN: WARN("libgsm support not compiled in!\n");
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case ACMDM_STREAM_CLOSE:
case ACMDM_STREAM_SIZE:
case ACMDM_STREAM_CONVERT:
return MMSYSERR_NOTSUPPORTED;
#endif
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case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
/* this converter is not a hardware driver */
case ACMDM_FILTERTAG_DETAILS:
case ACMDM_FILTER_DETAILS:
/* this converter is not a filter */
case ACMDM_STREAM_RESET:
/* only needed for asynchronous driver... we aren't, so just say it */
return MMSYSERR_NOTSUPPORTED;
case ACMDM_STREAM_PREPARE:
case ACMDM_STREAM_UNPREPARE:
/* nothing special to do here... so don't do anything */
return MMSYSERR_NOERROR;
default:
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
}