大一倍（也能够 /判断指针是否偏”hljs-string”>”>//构建条状矩形 ” data-mark=”6h
[mBufferSize]ta-mark=”6hu”>Bk=”6hu”>W 9 { v视化实时音频” aploads/2020/05/ble”>float dx =js-keyword”>new *) 0);
glBindBerticesC”>i m 4 – h, 8 n class=”6hu-14ark=”6hu”>R Z /中，并接收新的

< ) , Dnei * dx, 0 + 1.0输出 short 型数comment”>//在一1>

N o h ：

01107 c # = | L [cc/wp-content/uitionUpdateList4 c  Y M $ @ y<">! c l a q x F渐添加新的数据 咱们span class="6huata-mark="6hu">收集音频数据+ ; g 4fv(m_MVPMatLoc为 short 型的数ex == 2)
{
memca-mark="6hu">c n class="hljs-k="6hu-7560-mypl类型数组），然  Wrds = ypl" data-mark=ypl" data-mark=ss="6hu-15435-m6 l - zG_Pyword">voidP O ! 7 M j apan>lBindBufferrk="6hu">a r % a-mark="6hu">x d">finalhljs-params">(X { }l" data-mark="6q pShorts="heading" datspan class="6hu-mark="6hu">C 6. y :;
}l" data-mark="6/ s 8 ` R R { 3reCoords[i * 6  class="alignnota-mark="6hu">489671703-8ed2b205/1589671704-7for (int i = 0;">void Visualiz L [ 6 w音频" alt="Open-comment">//通 a-mark="6hu">( 频数据
m V V l % O uprivate<2411-mypl" data mBufferSize;="OpenGL ES 实 Thread = T { ~ e ; k M_ % @ Nk7 V | 坐ntent/uploads/2hu-7632-mypl" d;std::mutex>="attachment wp12474-mypl" dat, 0 + 1.0f);
m_href="https://wan>
floata-mark="6hu">成频域）+ 3] = p4;
m_pT);
m_pVerticesC音频的制作成果 音频" alt="Openon">stoRecorder 类也 nt wp-att-4338"pan>
` + S O $ Flass="6hu-15718Ids[0]);
glBuffVEL; //RESAMPLE= GL_NONE) i.allocate(publack(mAuaddCal6hu-16250-mypl"ck F , fttps://www.6hu.LUtils::texCoorspan class="hlj>) {
mAudioRecoan>Buffer);
}
}的数值（类似声 pan class="6hu-ata-mark="6hu">="hljs-keyword"=  t/uploads/2020/RDING
&&lass="6hu-8760- p m & N vT $ ] x e w o 5 4 , v代码途 dioRecord = d  ZRR;
>, + p ierticesCoords[i_Aumark="6hu">C X ps://www.6hu.ccf28a29a33.png">data-mark="6hu"enW / screenH);mark="6hu">y L 于微信公众号字 number">0x01orts, OpenGL 完成-7245-mypl" dat() crawTypz M :  2="6hu"> ` c : c_BUFFER, sizeof"hljs-string">"

实时 >4 W G ! – y + i 7 O _pss=”hljs-keyworRESAMPLE_LEvoid<就需求在 Buffer6hu-1216-mypl" } j E x 0 B U O Ids and load RECORDER_AUDIO_rd">int eCoords[i * 6 +an class=”6hu-1class=”hljs javizeof(short) *<4620-mypl" data* m_RenderDataS Dcord.R p3;
//newi该原创文章首发ataSize * 6 * 2an class=”6hu-3hu-14291-mypl” b D / Pfs-keyword”>privmark=”6hu”>w 2 >两帧数据直接填”6hu”>c q 6 c Ypan>; (Audio dx, y + 1.0f);LES 接口在 Natin> {
mCaan>oVertexCoord的 S 轴进行等距2-mypl” data-ma13920-mypl” datrds[i * 6 + m_ect
glUsePrograpubeff28a29a33.pngs=”hljs-functiooid B Q mber”>2)an>), (const v: 2 v9-mypl” data-mard”>final. ; 5 OtribPointer(1, class=”hljs-ketitle=”OpenGL E I $cV | / 7 z ? (mAudioljs-keyword”>pu 6 + 3] = p联系与沟通 elspan class=”hljs05-6603aaaaea6aan class=”hljs-“6hu”>% p T 7, 0.0f)”hljs-keyword”>-full lazyload ttps://www.6hu.a-mark=”6hu”>~ 烘托线程数据更W / . t ;an class=”hljs-2 中，
if(m_Fra K B %式”6hu”>H 5 1 M xfdeic + w @, m_Angle] = GLU_pTextureCoords，这样制作出来 GL_ARRAY_BUFFER，然后指向 Bu
{
glBiord”>intre>格，最后进行实 n>dio

M S V z 7 R * 2, m_pTextur所收集的 PCM 音oData, 7 K I，即逐渐丢弃旧 =”6hu-8415-myplnt index = i * 化实时音频” wid-16302-mypl” da个新的工作线程 a copyable”>(i +0, m_RenderData;
}
}
S 6 h { mer”;
()的音频数据在内 an>
andler(/span> {6hu”>` 9 @ 8 T lock(m_Mutex);”hljs-function”u”>V : n w J n ; e I M 0/ %pan class=”hljsuilt_in”>returndrawTypvoidu”>E % F ! ] W ords[i * 6 + 5]=”372″ src=”httioDataReady = t=”hljs-keyword””6hu-14364-mypll” data-mark=”64;
m_pT a收集到pan>Float(m_ProAttribArR 2 [ lic i! F S ; ;/span> { H 4 4

为了span class=”hljO_LEVEL;
float otificationPeack;
}
blic , 1.0fypl” data-mark=”hljs-meta”>@OvfferCallbackfloat) d”>classan> pu中心没有”6hu”>6 m w / nass=”6hu-16400-memcpy(m_pAudioa-mark=”6hu”>3 hljs-keyword”>psize-full lazylRATE,
RECORDER_yword”>bypriv>X 7 q A b p Uhu-16380-mypl” a-mark=”6hu”>- ds = new vec3[m”>f` + e [ W uO $ F Yitle”>onAudioBuhu”>O & f 2 Y 7enGLE(m_VaoId =ta-mark=”6hu”>B lazyload wp-imass=”hljs-keywo671704-8e2f64ed>public k=”6hu”>7 8 h yze / bytePerSaml” data-mark=”6″6hu-6873-mypl”an>Index++;
stdspan class=”6hus-keyword”>shorl” data-mark=”6m_pAudioData[inArr, in readMode)Y, ( {
C e n(mCallback ttps://www.6hu.a-mark="6hu">q 作了。a>

) * dx, y + 1首GL_NONE); } /Y_BUFFER, m_Vbo Ms(2, m>Cal 0] = p1dx = 1.0f / m_R-mark="6hu">c xn class="6hu-10hu.cc/wp-contend">public Handler ioRecord.startRll lazyload wp-(m_Mutex); //前/span>a >= span> .0fpan class="hljs //依据音频数据t[] audi-mark="6hu">1 4u-3654-mypl" dark="6hu">( 4 { an class="hljs-ss="6hu-2135-myBufferCallb可是，上面这 mark="6hu">+ n i * dx, y + 1.0hment wp-att-43VertexCoord(p4)cc/wp-content/u" data-mark="6hn> pShortArr, smHandler T f(m_Fram音频数据的收 9 L W Q +集线Coornull <9" height="672"hu-10411-mypl" rd.stop(); mAudeyword">inte o } 6hu">5 e 0 a p Rs::texCoordToVek="6hu">1 z : Sy(m_pAudioBuffe75-mypl" data-mlass="hljs-builimage-4338" tit的作用就有时刻 ignnone size-fuypl" data-mark=数据放到 Buffer据对应的数组比 s-keyword">shor848-mypl" data-oads/2020/05/15="6hu-14112-myp{ (Callba数据（PCM 数据 AudioRecorderWrgramObj, t offsepVerticesCoords2, GL_FLOAT, GLQ . RxAt化实时音频" widort[] buark="6hu">x t mmark="6hu">} g 时制作。 BUFFER, GL_NONE @ | . 3 X 4 s) * m_R+ 2] = p4; m_pTlass="6hu-4264-ve 层收集，然后 m_pVerticesCoospan>order 收集); mAudioRecord"6hu-14612-myplenderDataSize *a-mark="6hu">e 里不停地收集音 .run(); eCoords[i * 6 +pan> String TAG>loat) *= _ ~ y(mAudioRefer, if

vdata-mark="6hu"oIds[0]); glBuf callback)~ R h 2 0 后通过 JNI 传入te ifrd">interfacec2 p3((isuperan>转为极点坐标xtureCoords[i *icesCoords); glss="hljs-functi class="6hu-907音频" alt="Openn>cord.OnRecordn class="hljs-kspan class="6hupl" data-mark="n> ()//0x a V/ t f class="hljs-ken class="6hu-19VPMatrix(m_MVPM-keyword">ifk t V h; m_pTextureCoopan class="hljs&m_M mBufferSclass="6hu-5320VboIds[1]); glBn class="6hu-82class="6hu-1312508-mypl" data-e">runk e K 46-mypl" data-mnull) = G . K V ;B ~ D = { 4 rray(m_VaoId); )nto>T + Z * v T :; C ( & Yd(p2);寄存高位、高地 T . = { ; B,dex] * dy *3 hljs-keyword">v视化实时音频" whu-16254-mypl" eyword">ints O J T : O) * arrSize); mkeyword">final [ 4 n } (secondByte); @Overridem -1; y =>.eIpTextur模式是小端模an class="6hu-1lass="6hu-139127 f s 8lass="6hu-13833sCoords[i * 6 +idth="280" heigoords[i * 6 + 1812.jpg" rel="aploads/2020/05/unction"> mCspan>) { c2 y(0); glVertexAt(: % 4 k 5 A U *ray( 8 x +DYords[i * 6 + 5]Size); m_Render Q q } 8 0z B K F O G制作另外一组数 >nt er n class="6hu-62="6hu">& Q p k Buffer2 中的数 ="hljs-keyword" 2] = p3; m_pTe"hljs-keyword">/span>); arr" data-mark="6h) * m_Rek="6hu">w l? h +响的强度值）为 xCoord(p2); m_prk="6hu">q d 0 ntent/uploads/2ffer 中的数据都觉，就是单纯地 yword">finale x T ` F S Simage-4335" tit="6hu-4998-mypl_BIT = "Visufloatlass="6hu-15808诉烘托线程数据 hljs-keyword">n离划分，再以数ordTpVertexCoord(ponMarkerRea/span> r="6hu-15810-mypizeof(GLM texCoordToVerte位、高地址寄存 data-mark="6hu"implements()pr89671704-bae07frd">int a">@Override CHANNELS, RECORn> 0, mBuf1589671704-7fcchu">m r 7 $ x y分再次堵塞音频 ioRecord.rel i <yteBuffer =ease();ark="6hu">l S a wp-att-4337">"der.myLooper())span class="6hu"6hu-10269-mypl; . 3 d nt RECOR435cc63bf.gif"> ~ exCoordToVertexrds[i * 6 + 2] 由于“一帧”floatHclass="6hu-2304音频" width="3432-mypl" data-mmark="6hu">k B u-15264-mypl" dypl" data-mark=js-keyword">ifruilt_in">setP q c H | O AudioSample::Loljs-string">"AuAW); glBindBuffock); } -mypl" data-marass="heading" dn>::texxArray(m_VaoId)fer + arrSize, pan class="hljsata-mark="6hu">mark="6hu">X 9 与更新同步 std:制作一次。s T / Q 0-mypl" data-maan> { 新结束，能 " data-mark="6hpl" data-mark=" glGpan class="6hu-14025-mypl" datass="hljs-title" class="6hu-109这个时分堵塞音 FrameIndex == 1an>; lba-mark="6hu">T -ublic ertexpl" data-mark="t[] mAudspan class="hljjava copyable">度将纹路坐标系 L } } m D pbb = ByteBuffer class="hljs-ke-comment">//核 NCODING_BIT / <后依据数组的长 /wp-content/upl EateMesffer2 中的数据 an>的 byte 数据ss="hljs-commenps://www.6hu.cc P + * 6n class="hljs-tmypl" data-markan class="hljs-aSize = arrSize/wp-content/uplize = in = GioBuffer;

A>构建极点坐标，用 2 个字节转化span>用 AudioRe= GLUtils::texCan class="6hu-6corder)new 4] = GLUtilchedv # K , - an class="6hu-8enGL ES 实现可 -15750-mypl" dak="6hu">F 6 = e32-mypl" data-m c h f C数据看作一组音 s="hljs-keyword径：
Android_Oppan class="hljsljs-keyword">st/span>FFER, GL_1.0f);
vec2 p4(eAudioSample::Dcorder 收集音频="hljs-keyword"接选用 Android ioBuffe CarrSize) {
if (p/p>

/p>

h } d E m Z(GL4 W T i f"6hu-3672-mypl"span>AY_BUFFER,_LEVEL 表明采样ypl" data-mark=ark="6hu">Q J Mypl" data-mark=ass="hljs java 032-mypl" data--keyword">priva实时音频" widthoad wp-image-43ht="250" src="h是几倍），收集  d q w $ W *inrue;
m_pCurAudip4((i + 1) * dx节活动