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TA的每日心情 | 奋斗 2024-6-23 05:14 |
|---|
签到天数: 1043 天 [LV.10]以坛为家III
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<DIV class=HtmlCode>
' ]: O- ~/ C3 k3 l" N< >//---------------------------------------------------------------------------</P>
; A9 [% d9 T, u: i: X, ?( h< >#ifndef SoundControlH
, [) E7 J: H/ p$ ]3 |$ `# h; `$ i* u#define SoundControlH3 H2 [# t1 L; a! v/ Y
//---------------------------------------------------------------------------9 u: e3 `( \, l- F
#include <Classes.hpp> ?3 p0 j; a1 l# q; \
#include <mmsystem.h>! G- q2 r7 j8 u2 G# l/ t
#include <mmreg.h></P>
5 ^! I+ i$ ?& l6 r+ M7 X4 e< >
% C6 M5 o X1 |3 Kbool GetVolumeControl(HMIXER hmixer ,long componentType,long ctrlType,MIXERCONTROL* mxc);</P>
( Q# E5 w4 y" }& n, F7 P5 _" M. l< >long GetMuteValue(HMIXER hmixer ,MIXERCONTROL *mxc) ;
4 B/ D0 N, U5 j. K) ounsigned GetVolumeValue(HMIXER hmixer ,MIXERCONTROL *mxc);- F# [0 a8 h: [/ r8 b6 S
bool SetVolumeValue(HMIXER hmixer ,MIXERCONTROL *mxc, long volume);
# Y) v% L( _, m! M1 {/ ^( ebool SetMuteValue(HMIXER hmixer ,MIXERCONTROL *mxc, bool mute);</P>
* P' d/ @/ m: r5 u) n8 C< >
$ |$ C7 x" S' x//下面四个是输出函数,可以自己调用2 @: T% f. _3 C# S' z- U# e7 U
bool WINAPI SetVolume(long dev,long vol);//设置设备的音量
$ P, S2 R$ O" T. c2 ~" f, Sunsigned WINAPI GetVolume(int dev);//得到设备的音量dev=0主音量,1WAVE ,2MIDI ,3 LINE IN</P>
( E; P( v" S# L* a! |( N< >bool WINAPI SetMute(long dev,bool vol);//设置设备静音# S2 V( f) f$ i! `: I6 ]0 T; E1 ]
bool WINAPI GetMute(long dev);
9 {* _; n4 D! @" u e8 T#endif</P>7 l& s# k1 j8 n( r- M) N
$ J) t: Z# A& K: O3 E< >bool GetVolumeControl(HMIXER hmixer ,long componentType,long ctrlType,MIXERCONTROL* mxc)
& @6 e/ V2 F4 z& V4 w{- o: C) J+ J+ Z+ i) u
MIXERLINECONTROLS mxlc;2 X5 V0 K5 J$ U/ Q: {
MIXERLINE mxl;
- G( [$ m9 U" Hmxl.cbStruct = sizeof(mxl);4 _: I6 l, B& v! C* D9 p9 e
mxl.dwComponentType = componentType;1 F" ?: j# x) i
if(!mixerGetLineInfo((HMIXEROBJ)hmixer, &mxl, MIXER_GETLINEINFOF_COMPONENTTYPE))/ W& V5 m- t* e% K; ?: S" [
{/ k7 d- m8 F0 Q" b3 l' n
mxlc.cbStruct = sizeof(mxlc);- p- P5 o Q! c# K. ^6 }
mxlc.dwLineID = mxl.dwLineID;8 @' L' J% @$ b3 ~% \" G, ]
mxlc.dwControlType = ctrlType;3 [5 z$ f6 K* J8 J- o! g. v" B! \
mxlc.cControls = 1;$ u: y- V1 f8 p- C T
mxlc.cbmxctrl = sizeof(MIXERCONTROL);7 i6 m% a3 d ]6 R1 \1 K' v
mxlc.pamxctrl = mxc;3 i z V! m& A) @
if(mixerGetLineControls((HMIXEROBJ)hmixer,&mxlc,MIXER_GETLINECONTROLSF_ONEBYTYPE))6 T1 A$ F& q1 a6 e/ f; v
return 0;
* h& e6 [9 v- m1 eelse
- Q$ x4 K8 M' b& }% }return 1;
+ J, @7 h/ T" W- m}
. E. I5 X }$ y! `return 0;
2 D2 d1 X- U9 ^1 ]$ Y, l}
# P1 O6 \" M5 G# z8 f; y) j//--------------------------------------------------------------------------- ) v3 L0 A. g0 p- |( d$ _( a
long GetMuteValue(HMIXER hmixer ,MIXERCONTROL *mxc): ~, T8 u& G5 g/ X. k' |7 Z
{
7 E6 E4 }4 |# r% G! ]MIXERCONTROLDETAILS mxcd; 4 [/ ]3 y" L4 L! K! Y
MIXERCONTROLDETAILS_BOOLEAN mxcdMute;
; O( J& n) X, |9 R, ]1 vmxcd.hwndOwner = 0;
' u+ ?% ]! z, d1 t6 S4 ]* `. f$ Imxcd.cbStruct = sizeof(mxcd); ( ?; p1 k7 C1 y
mxcd.dwControlID = mxc->dwControlID;
6 [1 }6 M8 L* C+ ?5 j$ O% W! ]5 ?6 vmxcd.cbDetails = sizeof(mxcdMute);8 U5 C% \, R: G, k/ u! A
mxcd.paDetails = &mxcdMute;
' y$ `2 R% T' B: c/ x8 L& tmxcd.cChannels = 1;
C) h/ W, `+ }% Z) i1 W* Cmxcd.cMultipleItems = 0; + O/ z3 `6 T% c! ?$ m, b
if (mixerGetControlDetails((HMIXEROBJ)hmixer, &mxcd,MIXER_OBJECTF_HMIXER|MIXER_GETCONTROLDETAILSF_VALUE)) ' e4 U1 q1 t$ S0 v7 e- E9 q
return -1; 7 P. S2 k/ B, K9 n, D$ Q
return mxcdMute.fValue;/ V5 H5 E) K% x, L4 ?( B9 I
} </P>' x7 o* o Q, w0 ]
< >//--------------------------------------------------------------------------- * n# v7 |. [* H; @' V) D i' |1 M
unsigned GetVolumeValue(HMIXER hmixer ,MIXERCONTROL *mxc)
! q+ \+ q2 n' L+ M{
" o% J& v- o: `1 I: |! }% S, wMIXERCONTROLDETAILS mxcd;
7 K `# y5 i; X8 i/ h* w# ~MIXERCONTROLDETAILS_UNSIGNED vol; vol.dwValue=0;
2 U1 G7 [; T" [mxcd.hwndOwner = 0;
, ^. g! u" r$ W- n Gmxcd.cbStruct = sizeof(mxcd); 8 h' s6 D" Z8 w/ C3 s7 J
mxcd.dwControlID = mxc->dwControlID; , z* x4 f9 @: S) c1 h0 I
mxcd.cbDetails = sizeof(vol);
' r) M1 n: ]& A z5 ^3 omxcd.paDetails = &vol;
7 b6 |! U4 E3 K% s: k9 }mxcd.cChannels = 1;
1 r6 w1 R Y( Eif(mixerGetControlDetails((HMIXEROBJ)hmixer, &mxcd, MIXER_OBJECTF_HMIXER|MIXER_GETCONTROLDETAILSF_VALUE))
% S/ a* [0 M- |6 m4 {8 [ p0 A5 freturn -1; ' P# y1 J, E8 W" Q2 J/ \
return vol.dwValue;
: k4 y6 O' ^3 f; u3 Q} </P>
_6 x% [/ m p1 a6 _< >//---------------------------------------------------------------------------2 [8 ]* B$ Q0 a
bool SetMuteValue(HMIXER hmixer ,MIXERCONTROL *mxc, bool mute)
. |$ n$ f* z& {$ w2 E6 N7 X{
0 J `9 [3 _; S& eMIXERCONTROLDETAILS mxcd; ; E- J& e6 s% {, m
MIXERCONTROLDETAILS_BOOLEAN mxcdMute;mxcdMute.fValue=mute;
% G) j$ p3 r7 y8 P8 imxcd.hwndOwner = 0;
: [* k5 q) m+ ~ N1 Y { d4 Bmxcd.dwControlID = mxc->dwControlID; : w# a2 ~- R e
mxcd.cbStruct = sizeof(mxcd);* N, q2 e& Z7 u. i4 n
mxcd.cbDetails = sizeof(mxcdMute); - c5 A9 F2 Y# N
mxcd.paDetails = &mxcdMute;
0 s$ N/ j) s4 Z0 R- w/ `) Wmxcd.cChannels = 1; . [7 S6 {3 Z2 ^" L7 T4 B
mxcd.cMultipleItems = 0;/ M1 ~6 u0 ]% ^$ t
if (mixerSetControlDetails((HMIXEROBJ)hmixer, &mxcd, MIXER_OBJECTF_HMIXER|MIXER_SETCONTROLDETAILSF_VALUE))
& b5 T' [% T5 v# vreturn 0;
, U* \9 Z' x3 F6 ^; ?8 Zreturn 1;
6 m1 S7 O H8 Q. M5 i} </P>
. c7 d m& I4 A% [1 r: e< >//---------------------------------------------------------------------------</P>" O# m3 m C5 D' `& x3 p3 I
< >bool SetVolumeValue(HMIXER hmixer ,MIXERCONTROL *mxc, long volume)" T+ u$ T9 F4 ~3 x
{
8 @( _ f! T5 n* vMIXERCONTROLDETAILS mxcd; / ^1 e$ g6 P4 T; B! Y& n
MIXERCONTROLDETAILS_UNSIGNED vol;vol.dwValue = volume; , W; p8 l' `2 A7 Z* P' |
mxcd.hwndOwner = 0;
8 Y3 \* h3 z/ N1 lmxcd.dwControlID = mxc->dwControlID;
# V. N" [0 k( J% lmxcd.cbStruct = sizeof(mxcd);& |2 M' W) J. t0 R
mxcd.cbDetails = sizeof(vol);
/ \8 H/ X' {# j+ j$ ] Y/ W" v, Gmxcd.paDetails = &vol;' W/ c7 V c6 c* S
mxcd.cChannels = 1;
7 M4 w1 _+ F7 t% u/ `7 G$ b0 Wif(mixerSetControlDetails((HMIXEROBJ)hmixer, &mxcd, MIXER_OBJECTF_HMIXER|MIXER_SETCONTROLDETAILSF_VALUE))
$ E. r* n" I) O2 ]return 0;
9 a: y; P& E2 Creturn 1;6 n1 ~2 H) Q( R+ }: E
} </P>
3 m" c* W$ [+ z" i; j8 z/ L; u8 c< >
8 i$ ^% H- y8 ?- T9 E1 r2 a//---------------------------------------------------------------------------
8 @ @; ~& n9 R* \ J% Tunsigned WINAPI GetVolume(int dev)//得到设备的音量dev=0主音量,1WAVE ,2MIDI ,3 LINE IN
# V' [* z6 `9 D: Z{</P>. G8 H: }/ G0 w, Y
< >long device;unsigned rt=0;
c4 x% @/ P/ i+ U& k, I# c: fMIXERCONTROL volCtrl;
) I2 E2 W ^* k3 J2 J- YHMIXER hmixer;
5 F: @; m4 L8 P" W! B/ T- r3 Z* \switch (dev) R( x$ C" N1 R7 X! `
{! ]9 u/ h9 U6 |! I
case 1:
4 i' U( u8 R3 ~8 b, a7 s' Ddevice=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break; + E, g- \+ |; e. i7 H3 H
case 2:
; R2 o: m5 F- `device=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break; 5 ]" z+ R) b# {
case 3:. Y7 W( G, R- m6 h
// device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break; // cd 音量
/ s* C7 Y7 t6 W// device=MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE; break; //麦克风音量
, `8 f) |' S7 m5 i, }// device=MIXERLINE_COMPONENTTYPE_SRC_LINE; break; //PC 扬声器音量 - S" j: S; k& v0 D& c
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break; </P>: Y) `; {8 T- M% M8 Q
< >default:" [) j$ D+ D; a8 v+ H; h0 O1 t' F5 V5 y
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
$ [! i3 S8 Y* h9 s- ?' c- s8 H& W}</P>, Y" m# S# A' r
< >if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
" g3 s) `! I6 E8 @& f( h% sif(!GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl)) 6 n) n3 \% E$ [% \+ u# u7 e
return 0;
- L# k8 p' v O9 f0 I% C9 R1 X/ i3 Lrt=GetVolumeValue(hmixer,&volCtrl)*100/volCtrl.Bounds.lMaximum;
- v# \4 K0 e: [( vmixerClose(hmixer);
1 n0 k: ]* Q& greturn rt;</P>
# U- `0 I- A8 [% K7 M$ J: k< >}</P>1 Q1 f K; D$ Q! l3 z. I
< >//---------------------------------------------------------------------------</P>
2 J/ H* {9 }7 K) \9 C; E" w< >bool WINAPI SetVolume(long dev,long vol)//设置设备的音量
5 \. f8 c5 a3 A: v& Z{2 C: K/ j2 \" E9 E9 b
// dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
$ K; C; o' Y% f6 T. ?0 L// vol=0-100 表示音量的大小 , 设置与返回音量的值用的是百分比,即音量从0 - 100,而不是设备的绝对值
w. K, q5 @3 R ^0 i+ g' H# U// retrun false 表示设置音量的大小的操作不成功& ]$ g6 Z2 C9 {+ ?) t8 @
// retrun true 表示设置音量的大小的操作成功</P>
3 ~$ ?- }8 X5 f" ~6 |< >long device;
4 X3 s& t$ [4 E7 A5 h+ nbool rc=false;
; Q5 \4 v. ^" p5 K5 qMIXERCONTROL volCtrl;
9 R+ g- i& z- [HMIXER hmixer;% C) M" n* a8 g% A
switch (dev)" l- v+ o7 P$ |9 O9 Y U7 c. D
{" u C5 Q# a) p1 M, v. _: E
case 1:
, |! r* n6 g: K8 ~- r ~) Adevice=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;1 R1 t; g1 q, Y; l! n# z) \# P* d2 ?
case 2:
) J9 L# I/ s+ |! k" hdevice=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;
: }1 I& ?3 P0 h' n, y# h: ?1 Ncase 3:6 y/ a% e4 R/ M o1 P
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;</P>
5 p2 i% h* b/ f< >default: 9 v% y" t J0 y) u, l" f$ Z
device=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS; 7 N* i2 {2 A5 D9 i! ^8 [. W8 D7 a
} </P>
; f6 v/ E6 z. y1 e* y& m" Z< >if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;</P>6 y# u) N! ?5 U
< >if(GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl)) ! ~2 U) B0 z( ] _
{
! F: o( b) }0 ?) T) wvol=vol*volCtrl.Bounds.lMaximum/100; . S e/ k7 o; n4 X# y
if(SetVolumeValue(hmixer,&volCtrl,vol))/ |! q2 V% T% [+ [, d2 F3 ^$ S
rc=true;
9 R8 K9 Y- w. C! ]! B0 C$ i}
# O2 O" d* A; h9 LmixerClose(hmixer);
) x, [, N1 r, hreturn rc;
! ~- [: Z6 v1 T/ s* i" Q8 r' g} </P>3 y+ c9 u' u, j
< >//---------------------------------------------------------------------------</P>
( V6 G5 m# P r9 J R+ i< >bool WINAPI SetMute(long dev,bool vol)//设置设备静音
1 ^$ e k$ n- o! Z" |{& s# l4 `% R# d5 A3 A) ~8 m
// dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
& w- r1 S7 |/ _; N# ^& s// vol=0,1 分别表示取消静音,设置静音
3 V( ~, D, F. Z4 Z H7 N// retrun false 表示取消或设置静音操作不成功
) ?' l" j+ _0 Q( Y7 u/ u// retrun true 表示取消或设置静音操作成功</P>
/ _, K2 Q8 E5 u; c( g< >long device;' b) s" t2 p# L5 B( T
bool rc=false;
! }, V* I" ^" O5 E3 ?MIXERCONTROL volCtrl;
9 M" W* R$ B( T6 C* u2 `HMIXER hmixer;1 Y& T' q7 K( I* a4 }
switch (dev)
/ ?1 y% |2 ^% N: G0 p- ~{
- b4 E1 [8 A5 R" C/ K2 ucase 1:5 j2 w8 k6 a/ ^7 o
device=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;) e/ f! |- a' F* _% I; X* w
case 2:
* A7 s# L A! G B! pdevice=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;
( G; M! C1 v4 ~- H) W1 ^/ Lcase 3:% `* {3 E+ |2 I' ?
device=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break; </P>$ ^' x0 v$ L4 L9 u4 l3 F
< >default:
5 h! I U* X3 G; Ndevice=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;5 x) ]" z7 s. C$ Q U& ^# `+ H+ _ w
} </P> k9 D: D' M1 Z' a# g( n7 A
< >if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0; ; ~* ^4 y6 ~" i1 n
if(GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_MUTE,&volCtrl)) 0 E3 @/ j6 E2 {! o9 {- p2 j0 M7 ~
if(SetMuteValue(hmixer,&volCtrl,(bool)vol))
9 c8 f+ W( c3 a9 t: b8 s3 vrc=true;0 I0 A9 T% d5 k3 P0 v3 W/ _
mixerClose(hmixer);
3 q- r# x9 v! ^# g }$ Mreturn rc;
- Y0 P( Q# j+ E+ z/ b& R9 V} </P>
$ b- U0 `" W5 ]! V& n< >//---------------------------------------------------------------------------</P>
/ o3 y! Z6 \* _0 g- S. f+ C; c< >bool WINAPI GetMute(long dev)//检查设备是否静音
) Z' v6 N4 v0 p$ ^{
3 v4 d0 j1 b/ ]# B; m7 z# j# W/ V% _//dev =0,1,2 分别表示主音量,波形,MIDI ,LINE IN
- e# I0 b% E$ m2 g' a// retrun false 表示没有静音
0 o( p9 L( t: O- Z// retrun true 表示静音1 b5 E% q' [6 M- @4 i! D, v6 _, J, Y
long device;1 o/ p9 k! V5 I& {, p' @
bool rc=false;
1 K* T+ O. `* HMIXERCONTROL volCtrl;
) `+ j3 _# n$ v4 O* |9 |HMIXER hmixer;! w+ b) c" l9 V/ c. i
switch (dev)4 @. f: z5 @1 y' X$ d: _& b
{. d6 X8 o; o3 X) Z& R8 P' G$ ^0 K7 X
case 1:3 Y- f6 I! B7 w' \7 M7 }* a
device=MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT; break;
" o6 X- M( w# K' n+ |2 mcase 2:: l0 E: _2 C' g- U; t
device=MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER; break;7 d- _: A0 o+ R$ h8 C! m1 }& I
case 3:
- y: }8 P6 Y, O# X8 `: _9 Idevice=MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC; break;
8 y: m+ z+ @- ~8 ydefault:
; K8 X1 \9 ^) m( W) w- V* V" Cdevice=MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
4 d% s2 `) s* @, R/ E3 w} </P>
9 a( U0 [5 I% x/ g( H$ h< >if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0; </P>
7 U% G+ \, s' I. Z0 _' ^: N9 \+ s<P>if(GetVolumeControl(hmixer,device,MIXERCONTROL_CONTROLTYPE_MUTE,&volCtrl))( p& ]6 ?4 O0 D6 k( ?- q
rc=GetMuteValue(hmixer,&volCtrl);
7 ~1 T, D( a; I( y2 ?1 b! u0 P- fmixerClose(hmixer);3 u, z9 A$ |. t# E& u$ k8 U
return rc;</P>
9 D- C8 T( d7 _+ D6 [! b& ~: a<P>}</P></DIV>5 B! V( \2 `+ i0 v( P( P# s
<P><b><EM><FONT style="BACKGROUND-COLOR: #fdfddf" face=Tahoma>上面的存为SoundControl.h</FONT></EM></b></P>
$ _0 y3 q' c# T9 \# T8 Q4 t<DIV class=HtmlCode>
7 U9 I7 N) L2 x5 G) w4 C- }# w<P>#include <vcl.h>: H$ k+ A' q. u4 x+ a
#pragma hdrstop. g0 r1 H& c6 ?& z
#include "SoundControl.h"
7 F) ~5 `7 Y8 q# ~& t6 q* j#include "Unit1.h": z: R3 H7 O7 |2 P
//---------------------------------------------------------------------------
# {' h# u- \" ] m5 K! i3 u& U) k* Q#pragma package(smart_init)
% _7 W2 Q8 G! T( }( ~5 g#pragma resource "*.dfm"
6 `2 K, h! e" F; wTForm1 *Form1;' E; f ]) b! N% o3 y& X) n
//---------------------------------------------------------------------------
, X6 y" k b# S: ~3 K' G+ d__fastcall TForm1::TForm1(TComponent* Owner)9 p. n+ |( Z7 ~. |5 g! z( K# I/ Z. w
: TForm(Owner)% f7 e% A. O7 l9 s% P j4 E0 V
{</P>
5 I% U# W- B5 k5 |1 \<P>}</P>
7 K4 u$ |8 d" F# R0 M( F7 y% r7 B<P>void __fastcall TForm1::CheckBox1Click(TObject *Sender)2 \; s4 W q( U$ j7 a* r: z9 `
{; r ~) I* ?- ~7 B' _# w
SetMute(0,CheckBox1->Checked);
. Z. K( J- f/ ^! n- x: o, T}
. ^4 ^" e) R! C//---------------------------------------------------------------------------: z% |; [: P% [# Z, @% H
void __fastcall TForm1::TrackBar1Change(TObject *Sender)
0 p2 T6 G# h- D7 r- \{
- n6 v8 v9 _/ O' @2 Y/ J SetVolume(0,TrackBar1->Position);
5 `4 o" P3 z' q8 k1 o" m2 E+ e5 W}
2 n2 ^4 _8 W& A0 Y& avoid __fastcall TForm1::Button1Click(TObject *Sender)
" ?, O5 q$ O/ j& o& x' s0 R{
0 M; _: e$ Q4 q$ q- w1 e- m TrackBar1->Position = GetVolume(1);/ o0 H% F4 D4 ]0 p" S8 d
}
0 ^- |) R9 v1 r9 evoid __fastcall TForm1::Button3Click(TObject *Sender)) O( q* W& o g! C# g; \2 i( b+ k1 k
{; a$ p; R% Y' G, H4 Y% P* X
CheckBox1->Checked= GetMute(0);
g: m6 x. H; W0 I* j" g}</P></DIV> |
|