winealsa: Implement mixer controls, and add GetLineInfo.

This commit is contained in:
Maarten Lankhorst 2007-04-24 00:23:46 +02:00 committed by Alexandre Julliard
parent f7082bbbc0
commit 1843e71ef1

View file

@ -114,6 +114,14 @@ typedef struct line {
snd_mixer_elem_t *elem;
} line;
/* A control structure, with toggle enabled switch
* Control structures control volume, muted, which capture source
*/
typedef struct control {
BOOL enabled;
MIXERCONTROLW c;
} control;
/* Mixer device */
typedef struct mixer
{
@ -126,9 +134,13 @@ typedef struct mixer
HDRVR hmx;
line *lines;
control *controls;
} mixer;
#define MAX_MIXERS 32
#define CONTROLSPERLINE 3
#define OFS_MUTE 2
#define OFS_MUX 1
static int cards = 0;
static mixer mixdev[MAX_MIXERS];
@ -189,6 +201,69 @@ static int blacklisted(snd_mixer_elem_t *elem)
return blisted;
}
static void fillcontrols(mixer *mmixer)
{
int id;
for (id = 0; id < mmixer->chans; ++id)
{
line *mline = &mmixer->lines[id];
int ofs = CONTROLSPERLINE * id;
int x;
long min, max;
if (mline->capt && snd_mixer_selem_has_capture_volume(mline->elem))
snd_mixer_selem_get_capture_volume_range(mline->elem, &min, &max);
else
snd_mixer_selem_get_playback_volume_range(mline->elem, &min, &max);
/* (!snd_mixer_selem_has_playback_volume(elem) || snd_mixer_selem_has_capture_volume(elem)) */
/* Volume, always enabled by definition of blacklisted channels */
mmixer->controls[ofs].enabled = 1;
mmixer->controls[ofs].c.cbStruct = sizeof(mmixer->controls[ofs].c);
mmixer->controls[ofs].c.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
mmixer->controls[ofs].c.dwControlID = ofs;
mmixer->controls[ofs].c.Bounds.s1.dwMinimum = 0;
mmixer->controls[ofs].c.Bounds.s1.dwMaximum = 65535;
mmixer->controls[ofs].c.Metrics.cSteps = 65536/(max-min);
if ((id == 1 && snd_mixer_selem_has_capture_switch(mline->elem)) ||
(!mline->capt && snd_mixer_selem_has_playback_switch(mline->elem)))
{ /* MUTE button optional, main capture channel should have one too */
mmixer->controls[ofs+OFS_MUTE].enabled = 1;
mmixer->controls[ofs+OFS_MUTE].c.cbStruct = sizeof(mmixer->controls[ofs].c);
mmixer->controls[ofs+OFS_MUTE].c.dwControlType = MIXERCONTROL_CONTROLTYPE_MUTE;
mmixer->controls[ofs+OFS_MUTE].c.dwControlID = ofs+OFS_MUTE;
mmixer->controls[ofs+OFS_MUTE].c.Bounds.s1.dwMaximum = 1;
}
if (mline->capt && snd_mixer_selem_has_capture_switch_exclusive(mline->elem))
mmixer->controls[CONTROLSPERLINE+OFS_MUX].c.dwControlType = MIXERCONTROL_CONTROLTYPE_MUX;
if (id == 1)
{ /* Capture select, in case cMultipleItems is 0, it means capture is disabled anyway */
mmixer->controls[ofs+OFS_MUX].enabled = 1;
mmixer->controls[ofs+OFS_MUX].c.cbStruct = sizeof(mmixer->controls[ofs].c);
mmixer->controls[ofs+OFS_MUX].c.dwControlType = MIXERCONTROL_CONTROLTYPE_MIXER;
mmixer->controls[ofs+OFS_MUX].c.dwControlID = ofs+OFS_MUX;
mmixer->controls[ofs+OFS_MUX].c.fdwControl = MIXERCONTROL_CONTROLF_MULTIPLE;
for (x = 0; x<mmixer->chans; ++x)
if (x != id && mmixer->lines[x].dst == id)
++(mmixer->controls[ofs+OFS_MUX].c.cMultipleItems);
if (!mmixer->controls[ofs+OFS_MUX].c.cMultipleItems)
mmixer->controls[ofs+OFS_MUX].enabled = 0;
mmixer->controls[ofs+OFS_MUX].c.Bounds.s1.dwMaximum = mmixer->controls[ofs+OFS_MUX].c.cMultipleItems - 1;
mmixer->controls[ofs+OFS_MUX].c.Metrics.cSteps = mmixer->controls[ofs+OFS_MUX].c.cMultipleItems;
}
for (x=0; x<CONTROLSPERLINE; ++x)
{
lstrcpynW(mmixer->controls[ofs+x].c.szShortName, mline->name, sizeof(mmixer->controls[ofs+x].c.szShortName)/sizeof(WCHAR));
lstrcpynW(mmixer->controls[ofs+x].c.szName, mline->name, sizeof(mmixer->controls[ofs+x].c.szName)/sizeof(WCHAR));
}
}
}
/* get amount of channels for elem */
/* Officially we should keep capture/playback seperated,
* but that's not going to work in the alsa api */
@ -315,9 +390,10 @@ static void ALSA_MixerInit(void)
}
mixdev[mixnum].chans += 2; /* Capture/Master */
mixdev[mixnum].lines = calloc(sizeof(MIXERLINEW), mixdev[mixnum].chans);
mixdev[mixnum].lines = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(line) * mixdev[mixnum].chans);
mixdev[mixnum].controls = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(control) * CONTROLSPERLINE*mixdev[mixnum].chans);
err = -ENOMEM;
if (!mixdev[mixnum].lines)
if (!mixdev[mixnum].lines || !mixdev[mixnum].controls)
goto eclose;
/* Master control */
@ -380,6 +456,8 @@ static void ALSA_MixerInit(void)
}
}
fillcontrols(&mixdev[mixnum]);
TRACE("%s: Amount of controls: %i/%i, name: %s\n", cardname, mixdev[mixnum].dests, mixdev[mixnum].chans, debugstr_w(mixdev[mixnum].mixername));
mixnum++;
continue;
@ -387,7 +465,9 @@ static void ALSA_MixerInit(void)
eclose:
WARN("Error occured initialising mixer: %s\n", snd_strerror(err));
if (mixdev[mixnum].lines)
free(mixdev[mixnum].lines);
HeapFree(GetProcessHeap(), 0, mixdev[mixnum].lines);
if (mixdev[mixnum].controls)
HeapFree(GetProcessHeap(), 0, mixdev[mixnum].controls);
snd_mixer_close(mixdev[mixnum].mix);
}
cards = mixnum;
@ -417,7 +497,8 @@ static void ALSA_MixerExit(void)
for (x = 0; x < cards; ++x)
{
snd_mixer_close(mixdev[x].mix);
free(mixdev[x].lines);
HeapFree(GetProcessHeap(), 0, mixdev[x].lines);
HeapFree(GetProcessHeap(), 0, mixdev[x].controls);
}
cards = 0;
}
@ -441,6 +522,7 @@ static int elem_callback(snd_mixer_elem_t *elem, unsigned int type)
{
mixer *mmixer = snd_mixer_elem_get_callback_private(elem);
int x;
BOOL captchanged = 0;
if (type != SND_CTL_EVENT_MASK_VALUE)
return 0;
@ -454,12 +536,22 @@ static int elem_callback(snd_mixer_elem_t *elem, unsigned int type)
for (x=0; x<mmixer->chans; ++x)
{
const int ofs = CONTROLSPERLINE*x;
if (elem != mmixer->lines[x].elem)
continue;
if (mmixer->lines[x].capt)
++captchanged;
TRACE("Found changed control %s\n", debugstr_w(mmixer->lines[x].name));
mmixer->callback(mmixer->hmx, MM_MIXM_LINE_CHANGE, mmixer->callbackpriv, x, 0);
mmixer->callback(mmixer->hmx, MM_MIXM_CONTROL_CHANGE, mmixer->callbackpriv, ofs, 0);
if (mmixer->controls[ofs+OFS_MUTE].enabled)
mmixer->callback(mmixer->hmx, MM_MIXM_CONTROL_CHANGE, mmixer->callbackpriv, ofs+OFS_MUTE, 0);
}
if (captchanged)
mmixer->callback(mmixer->hmx, MM_MIXM_CONTROL_CHANGE, mmixer->callbackpriv, CONTROLSPERLINE+OFS_MUX, 0);
out:
LeaveCriticalSection(&elem_crst);
@ -616,6 +708,189 @@ static DWORD MIX_GetDevCaps(UINT wDevID, LPMIXERCAPS2W caps, DWORD_PTR parm2)
return MMSYSERR_NOERROR;
}
/* get amount of sources for dest */
static int getsrccntfromchan(mixer *mmixer, int dad)
{
int i, j=0;
for (i=0; i<mmixer->chans; ++i)
if (i != dad && mmixer->lines[i].dst == dad)
{
++j;
}
if (!j)
FIXME("No src found for %i (%s)?\n", dad, debugstr_w(mmixer->lines[dad].name));
return j;
}
/* find lineid for source 'num' with dest 'dad' */
static int getsrclinefromchan(mixer *mmixer, int dad, int num)
{
int i, j=0;
for (i=0; i<mmixer->chans; ++i)
if (i != dad && mmixer->lines[i].dst == dad)
{
if (num == j)
return i;
++j;
}
WARN("No src found for src %i from dest %i\n", num, dad);
return 0;
}
/* get the source number belonging to line */
static int getsrcfromline(mixer *mmixer, int line)
{
int i, j=0, dad = mmixer->lines[line].dst;
for (i=0; i<mmixer->chans; ++i)
if (i != dad && mmixer->lines[i].dst == dad)
{
if (line == i)
return j;
++j;
}
WARN("No src found for line %i with dad %i\n", line, dad);
return 0;
}
/* Here we give info over the source/dest line given by dwSource+dwDest or dwDest, respectively
* It is also possible that a line is found by componenttype or target type, latter is not implemented yet
* Most important values returned in struct:
* dwLineID
* sz(Short)Name
* line control count
* amount of channels
*/
static DWORD MIX_GetLineInfo(UINT wDevID, LPMIXERLINEW Ml, DWORD_PTR flags)
{
DWORD_PTR qf = flags & MIXER_GETLINEINFOF_QUERYMASK;
mixer *mmixer = MIX_GetMix(wDevID);
line *mline;
int idx, i;
if (!Ml)
{
WARN("No Ml\n");
return MMSYSERR_INVALPARAM;
}
if (!mmixer)
{
WARN("Device %u not found\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
if (Ml->cbStruct != sizeof(*Ml))
{
WARN("invalid parameter: Ml->cbStruct = %d != %d\n", Ml->cbStruct, sizeof(*Ml));
return MMSYSERR_INVALPARAM;
}
Ml->fdwLine = MIXERLINE_LINEF_ACTIVE;
Ml->dwUser = 0;
switch (qf)
{
case MIXER_GETLINEINFOF_COMPONENTTYPE:
{
Ml->dwLineID = 0xFFFF;
for (idx = 0; idx < mmixer->chans; ++idx)
if (mmixer->lines[idx].component == Ml->dwComponentType)
{
Ml->dwLineID = idx;
break;
}
if (Ml->dwLineID == 0xFFFF)
return MMSYSERR_KEYNOTFOUND;
/* Now that we have lineid, fallback to lineid*/
}
case MIXER_GETLINEINFOF_LINEID:
if (Ml->dwLineID < 0 || Ml->dwLineID >= mmixer->chans)
return MIXERR_INVALLINE;
TRACE("MIXER_GETLINEINFOF_LINEID %d\n", Ml->dwLineID);
Ml->dwDestination = mmixer->lines[Ml->dwLineID].dst;
if (Ml->dwDestination != Ml->dwLineID)
{
Ml->dwSource = getsrcfromline(mmixer, Ml->dwLineID);
Ml->cConnections = 1;
}
else
{
Ml->cConnections = getsrccntfromchan(mmixer, Ml->dwLineID);
Ml->dwSource = 0xFFFFFFFF;
}
TRACE("Connections %d, source %d\n", Ml->cConnections, Ml->dwSource);
break;
case MIXER_GETLINEINFOF_DESTINATION:
if (Ml->dwDestination < 0 || Ml->dwDestination >= mmixer->dests)
{
WARN("dest %d out of bounds\n", Ml->dwDestination);
return MIXERR_INVALLINE;
}
Ml->dwLineID = Ml->dwDestination;
Ml->cConnections = getsrccntfromchan(mmixer, Ml->dwLineID);
Ml->dwSource = 0xFFFFFFFF;
break;
case MIXER_GETLINEINFOF_SOURCE:
if (Ml->dwDestination < 0 || Ml->dwDestination >= mmixer->dests)
{
WARN("dest %d for source out of bounds\n", Ml->dwDestination);
return MIXERR_INVALLINE;
}
if (Ml->dwSource < 0 || Ml->dwSource >= getsrccntfromchan(mmixer, Ml->dwDestination))
{
WARN("src %d out of bounds\n", Ml->dwSource);
return MIXERR_INVALLINE;
}
Ml->dwLineID = getsrclinefromchan(mmixer, Ml->dwDestination, Ml->dwSource);
Ml->cConnections = 1;
break;
case MIXER_GETLINEINFOF_TARGETTYPE:
FIXME("TODO: TARGETTYPE, stub\n");
return MMSYSERR_INVALPARAM;
default:
FIXME("Unknown query flag: %08lx\n", qf);
return MMSYSERR_INVALPARAM;
}
if (Ml->dwLineID >= mmixer->dests)
Ml->fdwLine |= MIXERLINE_LINEF_SOURCE;
mline = &mmixer->lines[Ml->dwLineID];
Ml->dwComponentType = mline->component;
Ml->cChannels = mmixer->lines[Ml->dwLineID].chans;
Ml->cControls = 0;
for (i=CONTROLSPERLINE*Ml->dwLineID;i<CONTROLSPERLINE*(Ml->dwLineID+1); ++i)
if (mmixer->controls[i].enabled)
++(Ml->cControls);
lstrcpynW(Ml->szShortName, mmixer->lines[Ml->dwLineID].name, sizeof(Ml->szShortName)/sizeof(WCHAR));
lstrcpynW(Ml->szName, mmixer->lines[Ml->dwLineID].name, sizeof(Ml->szName)/sizeof(WCHAR));
if (mline->capt)
Ml->Target.dwType = MIXERLINE_TARGETTYPE_WAVEIN;
else
Ml->Target.dwType = MIXERLINE_TARGETTYPE_WAVEOUT;
Ml->Target.dwDeviceID = 0xFFFFFFFF;
Ml->Target.wMid = WINE_MIXER_MANUF_ID;
Ml->Target.wPid = WINE_MIXER_PRODUCT_ID;
Ml->Target.vDriverVersion = WINE_MIXER_VERSION;
lstrcpynW(Ml->Target.szPname, mmixer->mixername, sizeof(Ml->Target.szPname)/sizeof(WCHAR));
return MMSYSERR_NOERROR;
}
#endif /*HAVE_ALSA*/
/**************************************************************************
@ -648,6 +923,9 @@ DWORD WINAPI ALSA_mxdMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
case MXDM_GETDEVCAPS:
ret = MIX_GetDevCaps(wDevID, (LPMIXERCAPS2W)dwParam1, dwParam2); break;
case MXDM_GETLINEINFO:
ret = MIX_GetLineInfo(wDevID, (LPMIXERLINEW)dwParam1, dwParam2); break;
case MXDM_GETNUMDEVS:
ret = cards; break;