248 lines
6.8 KiB
C
248 lines
6.8 KiB
C
/*
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* Sample MIXER Wine Driver for Linux
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*
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* Copyright 1997 Marcus Meissner
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include "wintypes.h"
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#include "user.h"
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#include "driver.h"
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#include "multimedia.h"
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#include "debug.h"
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#define MIXER_DEV "/dev/mixer"
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/**************************************************************************
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* MIX_GetDevCaps [internal]
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*/
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static DWORD MIX_GetDevCaps(WORD wDevID, LPMIXERCAPS16 lpCaps, DWORD dwSize)
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{
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#ifdef HAVE_OSS
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int mixer,mask;
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TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
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if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
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if ((mixer = open(MIXER_DEV, O_RDWR)) < 0) {
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WARN(mmaux, "mixer device not available !\n");
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return MMSYSERR_NOTENABLED;
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}
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lpCaps->wMid = 0xAA;
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lpCaps->wPid = 0x55;
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lpCaps->vDriverVersion = 0x0100;
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strcpy(lpCaps->szPname, "WINE Generic Mixer");
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if (ioctl(mixer, SOUND_MIXER_READ_DEVMASK, &mask) == -1) {
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close(mixer);
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perror("ioctl mixer SOUND_MIXER_DEVMASK");
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return MMSYSERR_NOTENABLED;
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}
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/* FIXME: can the Linux Mixer differ between multiple mixertargets? */
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lpCaps->cDestinations = 1;
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lpCaps->fdwSupport = 0; /* No bits defined yet */
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close(mixer);
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return MMSYSERR_NOERROR;
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#else
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return MMSYSERR_NOTENABLED;
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#endif
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}
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#ifdef HAVE_OSS
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static char *sdlabels[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_LABELS;
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static char *sdnames[SOUND_MIXER_NRDEVICES] = SOUND_DEVICE_NAMES;
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static void MIX_GetLineInfoFromIndex(LPMIXERLINE16 lpml, int devmask, DWORD idx)
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{
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strcpy(lpml->szShortName, sdlabels[idx]);
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strcpy(lpml->szName, sdnames[idx]);
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lpml->dwLineID = idx;
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lpml->dwDestination = 0; /* index for speakers */
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lpml->cConnections = 1;
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lpml->cControls = 1;
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switch (idx) {
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case SOUND_MIXER_SYNTH:
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lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER;
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lpml->fdwLine |= MIXERLINE_LINEF_SOURCE;
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break;
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case SOUND_MIXER_CD:
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lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC;
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lpml->fdwLine |= MIXERLINE_LINEF_SOURCE;
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break;
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case SOUND_MIXER_LINE:
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lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_LINE;
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lpml->fdwLine |= MIXERLINE_LINEF_SOURCE;
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break;
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case SOUND_MIXER_MIC:
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lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;
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lpml->fdwLine |= MIXERLINE_LINEF_SOURCE;
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break;
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case SOUND_MIXER_PCM:
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lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT;
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lpml->fdwLine |= MIXERLINE_LINEF_SOURCE;
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break;
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default:
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ERR(mmaux, "Index %ld not handled.\n", idx);
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break;
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}
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}
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#endif
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/**************************************************************************
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* MIX_GetLineInfo [internal]
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*/
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static DWORD MIX_GetLineInfo(WORD wDevID, LPMIXERLINE16 lpml, DWORD fdwInfo)
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{
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#ifdef HAVE_OSS
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int mixer, i, j, devmask, recsrc, recmask;
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DWORD ret = MMSYSERR_NOERROR;
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TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID, lpml, fdwInfo);
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if (lpml == NULL || lpml->cbStruct != sizeof(*lpml))
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return MMSYSERR_INVALPARAM;
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if ((mixer = open(MIXER_DEV, O_RDWR)) < 0)
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return MMSYSERR_NOTENABLED;
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if (ioctl(mixer, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
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close(mixer);
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perror("ioctl mixer SOUND_MIXER_DEVMASK");
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return MMSYSERR_NOTENABLED;
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}
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if (ioctl(mixer, SOUND_MIXER_READ_RECSRC, &recsrc) == -1) {
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close(mixer);
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perror("ioctl mixer SOUND_MIXER_RECSRC");
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return MMSYSERR_NOTENABLED;
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}
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if (ioctl(mixer, SOUND_MIXER_READ_RECMASK, &recmask) == -1) {
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close(mixer);
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perror("ioctl mixer SOUND_MIXER_RECMASK");
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return MMSYSERR_NOTENABLED;
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}
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/* FIXME: set all the variables correctly... the lines below
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* are very wrong...
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*/
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lpml->fdwLine = MIXERLINE_LINEF_ACTIVE;
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lpml->cChannels = 2;
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switch (fdwInfo & MIXER_GETLINEINFOF_QUERYMASK) {
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case MIXER_GETLINEINFOF_DESTINATION:
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/* FIXME: Linux doesn't seem to support multiple outputs?
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* So we have only one outputtype, Speaker.
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*/
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lpml->dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
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/* we have all connections found in the devmask */
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lpml->cConnections = 0;
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for (j=0;j<31;j++)
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if (devmask & (1<<j))
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lpml->cConnections++;
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break;
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case MIXER_GETLINEINFOF_SOURCE:
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for (i = j = 0; j < 31; j++) {
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if (devmask & (1 << j)) {
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if (lpml->dwSource == i)
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break;
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i++;
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}
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}
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MIX_GetLineInfoFromIndex(lpml, devmask, i);
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break;
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case MIXER_GETLINEINFOF_LINEID:
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MIX_GetLineInfoFromIndex(lpml, devmask, lpml->dwLineID);
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break;
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case MIXER_GETLINEINFOF_COMPONENTTYPE:
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TRACE(mmaux, "Getting component type (%08lx)\n", lpml->dwComponentType);
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switch (lpml->dwComponentType) {
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case MIXERLINE_COMPONENTTYPE_DST_SPEAKERS:
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i = -1;
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break;
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case MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER:
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i = SOUND_MIXER_SYNTH;
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break;
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case MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC:
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i = SOUND_MIXER_CD;
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break;
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case MIXERLINE_COMPONENTTYPE_SRC_LINE:
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i = SOUND_MIXER_LINE;
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break;
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case MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE:
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i = SOUND_MIXER_MIC;
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break;
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case MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT:
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i = SOUND_MIXER_PCM;
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break;
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default:
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FIXME(mmaux, "Unhandled component type (%08lx)\n", lpml->dwComponentType);
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return MMSYSERR_INVALPARAM;
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}
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if (i != -1 && (devmask & (1 << i))) {
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strcpy(lpml->szShortName, sdlabels[i]);
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strcpy(lpml->szName, sdnames[i]);
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lpml->dwLineID = i;
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lpml->fdwLine = MIXERLINE_LINEF_SOURCE;
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} else {
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lpml->cConnections = 0;
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for (j=0;j<31;j++)
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if (devmask & (1<<j))
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lpml->cConnections++;
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lpml->dwLineID = 32;
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}
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break;
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case MIXER_GETLINEINFOF_TARGETTYPE:
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FIXME(mmaux, "_TARGETTYPE not implemented yet.\n");
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break;
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}
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lpml->Target.dwType = MIXERLINE_TARGETTYPE_AUX;
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close(mixer);
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return ret;
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#else
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return MMSYSERR_NOTENABLED;
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#endif
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}
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/**************************************************************************
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* MIX_GetLineInfo [internal]
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*/
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static DWORD MIX_Open(WORD wDevID, LPMIXEROPENDESC lpmod, DWORD flags)
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{
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#ifdef HAVE_OSS
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TRACE(mmaux, "(%04X, %p, %lu);\n", wDevID,lpmod,flags);
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if (lpmod == NULL) return MMSYSERR_INVALPARAM;
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/* hmm. We don't keep the mixer device open. So just pretend it works */
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return MMSYSERR_NOERROR;
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#else
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return MMSYSERR_NOTENABLED;
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#endif
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}
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/**************************************************************************
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* mixMessage [sample driver]
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*/
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DWORD WINAPI mixMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
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DWORD dwParam1, DWORD dwParam2)
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{
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TRACE(mmaux, "(%04X, %04X, %08lX, %08lX, %08lX);\n",
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wDevID, wMsg, dwUser, dwParam1, dwParam2);
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switch(wMsg) {
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case MXDM_GETDEVCAPS:
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return MIX_GetDevCaps(wDevID, (LPMIXERCAPS16)dwParam1, dwParam2);
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case MXDM_GETLINEINFO:
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return MIX_GetLineInfo(wDevID, (LPMIXERLINE16)dwParam1, dwParam2);
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case MXDM_GETNUMDEVS:
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TRACE(mmaux, "return 1;\n");
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return 1;
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case MXDM_OPEN:
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return MIX_Open(wDevID, (LPMIXEROPENDESC)dwParam1, dwParam2);
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case MXDM_CLOSE:
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return MMSYSERR_NOERROR;
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default:
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WARN(mmaux, "unknown message %d!\n", wMsg);
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}
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return MMSYSERR_NOTSUPPORTED;
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}
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