non
/
spiralsynthmodular
mirror of https://github.com/original-male/spiralsynthmodular
1
0
Fork 0
Code Releases 0 Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
183 Commits
1 Branch
1.8MB
Tree: 2023e0f89f
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '2023e0f89f'
${ noResults }
spiralsynthmodular/SpiralSound/Plugins/OutputPlugin/OutputPlugin.C

555 lines
12KB
Raw Blame History 

  1. /*  SpiralSound

  2.  *  Copyleft (C) 2001 David Griffiths <dave@pawfal.org>

  3.  *

  4.  *  This program is free software; you can redistribute it and/or modify

  5.  *  it under the terms of the GNU General Public License as published by

  6.  *  the Free Software Foundation; either version 2 of the License, or

  7.  *  (at your option) any later version.

  8.  *

  9.  *  This program is distributed in the hope that it will be useful,

  10.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

  11.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  12.  *  GNU General Public License for more details.

  13.  *

  14.  *  You should have received a copy of the GNU General Public License

  15.  *  along with this program; if not, write to the Free Software

  16.  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  17. */ 

  18. 

  19. // for lrintf()

  20. #define	_ISOC9X_SOURCE	1

  21. #define _ISOC99_SOURCE	1

  22. #include  <math.h>

  23. 

  24. #include <sys/types.h>

  25. #include <stdio.h>

  26. #include <fcntl.h>

  27. #include <unistd.h>

  28. #include <limits.h>

  29. #if defined (__FreeBSD__)

  30. 	#include <machine/soundcard.h>

  31. #else

  32. #if defined (__NetBSD__) || defined (__OpenBSD__)

  33. 	#include <soundcard.h>            /* OSS emulation */

  34. #undef ioctl

  35. #else 	                              /* BSDI, Linux, Solaris */

  36. 	#include <sys/soundcard.h>

  37. #endif                                /* __NetBSD__ or __OpenBSD__ */

  38. #endif                                /* __FreeBSD__ */

  39. #include <sys/ioctl.h>

  40. #include <limits.h>

  41. 

  42. #include "OutputPlugin.h"

  43. #include "OutputPluginGUI.h"

  44. #include <FL/fl_file_chooser.H>

  45. #include "SpiralIcon.xpm"

  46. 

  47. static const int IN_FREQ  = 0;

  48. static const int IN_PW    = 1;

  49. static const int IN_SHLEN = 2;

  50. 

  51. static const int OUT_MAIN = 0;

  52. 

  53. static const HostInfo* host;

  54. OSSOutput* OSSOutput::m_Singleton = NULL;

  55. int OutputPlugin::m_RefCount=0;

  56. int OutputPlugin::m_NoExecuted=0;

  57. OutputPlugin::Mode OutputPlugin::m_Mode=NO_MODE;

  58. 

  59. #define CHECK_AND_REPORT_ERROR	if (result<0)         \

  60. 								{                     \

  61. 									perror("Sound device did not accept settings"); \

  62. 									m_OutputOk=false; \

  63. 									return false;     \

  64. 								}

  65. 

  66. extern "C"

  67. {

  68. SpiralPlugin* SpiralPlugin_CreateInstance()

  69. {

  70. 	return new OutputPlugin;

  71. }

  72. 

  73. char** SpiralPlugin_GetIcon()

  74. {	

  75. 	return SpiralIcon_xpm;

  76. }

  77. 

  78. int SpiralPlugin_GetID()

  79. {

  80. 	return 0x0000;

  81. }

  82. 

  83. string SpiralPlugin_GetGroupName()

  84. {

  85. 	return "InputOutput";

  86. }

  87. }

  88. 

  89. ///////////////////////////////////////////////////////

  90. 

  91. OutputPlugin::OutputPlugin() :

  92. m_Volume(1.0f)

  93. {

  94. 	m_RefCount++;

  95. 	// we are an output.

  96. 	m_IsTerminal=true;

  97.         m_NotifyOpenOut=false;

  98. 	m_PluginInfo.Name="OSS";

  99. 	m_PluginInfo.Width=100;

  100. 	m_PluginInfo.Height=100;

  101. 	m_PluginInfo.NumInputs=2;

  102. 	m_PluginInfo.NumOutputs=2;

  103. 	m_PluginInfo.PortTips.push_back("Left Out");

  104. 	m_PluginInfo.PortTips.push_back("Right Out");

  105. 	//m_PluginInfo.PortTips.push_back("Record Controller");

  106. 	m_PluginInfo.PortTips.push_back("Left In");

  107. 	m_PluginInfo.PortTips.push_back("Right In");

  108. 	m_AudioCH->Register ("Volume", &m_Volume);

  109.         m_AudioCH->Register ("OpenOut", &m_NotifyOpenOut, ChannelHandler::OUTPUT);

  110. }

  111. 

  112. OutputPlugin::~OutputPlugin()

  113. {

  114. 	m_RefCount--;

  115. 	if (m_RefCount==0)

  116. 	{

  117. 		cb_Blocking(m_Parent,false);

  118. 		OSSOutput::PackUpAndGoHome();

  119. 		m_Mode=NO_MODE;

  120. 	}

  121. }

  122. 

  123. PluginInfo &OutputPlugin::Initialise(const HostInfo *Host)

  124. {

  125. 	PluginInfo& Info= SpiralPlugin::Initialise(Host);

  126. 	host=Host;

  127. 	OSSOutput::Get()->AllocateBuffer();

  128. 

  129. 	return Info;

  130. }

  131. 

  132. SpiralGUIType *OutputPlugin::CreateGUI()

  133. {

  134. 	return new OutputPluginGUI(m_PluginInfo.Width, m_PluginInfo.Height, this, m_AudioCH, m_HostInfo);

  135. }

  136. 

  137. void OutputPlugin::Execute()

  138. {

  139.         if (m_Mode==NO_MODE && m_RefCount==1)

  140. 	{

  141. 		if (OSSOutput::Get()->OpenWrite())

  142. 		{

  143. 			cb_Blocking(m_Parent,true);

  144. 			m_Mode=OUTPUT;

  145.                         m_NotifyOpenOut=true;

  146. 		}

  147. 	}

  148. 

  149. 	//if (m_Mode==NO_MODE || m_Mode==CLOSED) cb_Blocking(m_Parent,false);

  150. 	//else cb_Blocking(m_Parent,true);

  151. 

  152. 	if (m_Mode==OUTPUT || m_Mode==DUPLEX)

  153. 	{

  154. 		OSSOutput::Get()->SendStereo(GetInput(0),GetInput(1));

  155. 

  156. 		// can't open GUI stuff here

  157. 	/*	for (int n=0; n<m_HostInfo->BUFSIZE;n++)

  158. 		{

  159. 			// can't open GUI stuff here

  160. 			if (GetInput(2,n)!=0)

  161. 			{

  162. 				if (! m_CheckedAlready)

  163. 				{

  164. 				m_CheckedAlready=true;

  165. //				an experimental line, should *theoretically* cut down on CPU time.

  166. 				n=m_HostInfo->BUFSIZE;

  167. 					if (! m_Recmode)

  168. 					{

  169. 						char *fn=fl_file_chooser("Pick a Wav file to save to", "*.wav", NULL);

  170. 						if (fn && fn!="")

  171. 						{

  172. 							OSSOutput::Get()->WavOpen(fn);

  173. 						}

  174. 						m_Recmode=true;

  175. 					}

  176. 					else

  177. 					{

  178. 						OSSOutput::Get()->WavClose();

  179. 						m_Recmode=false;

  180. 					}

  181. 

  182. 				}

  183. 			}

  184. 			else

  185. 			m_CheckedAlready=false;

  186. 		}*/

  187. 	}

  188. 

  189. 	if (m_Mode==INPUT || m_Mode==DUPLEX)

  190.            OSSOutput::Get()->GetStereo(GetOutputBuf(0),GetOutputBuf(1));

  191. }

  192. 

  193. void OutputPlugin::ExecuteCommands()

  194. {

  195. 	// Only Play() once per set of plugins

  196. 

  197. 	m_NoExecuted--;

  198. 	if (m_NoExecuted<=0)

  199. 	{

  200. 		if (m_Mode==INPUT || m_Mode==DUPLEX) OSSOutput::Get()->Read();

  201. 		if (m_Mode==OUTPUT || m_Mode==DUPLEX) OSSOutput::Get()->Play();

  202. 		m_NoExecuted=m_RefCount;

  203. 	}

  204. 

  205. 

  206. 	if (m_AudioCH->IsCommandWaiting())

  207. 	{

  208. 		switch(m_AudioCH->GetCommand())

  209. 		{

  210. 			case OPENREAD :

  211. 				if (OSSOutput::Get()->OpenRead())

  212. 				{

  213. 					m_Mode=INPUT;

  214. 					//cb_Blocking(m_Parent,true);

  215. 				}

  216. 			break;

  217. 			case OPENWRITE :

  218. 				if (OSSOutput::Get()->OpenWrite())

  219. 				{

  220. 					m_Mode=OUTPUT;

  221. 					cb_Blocking(m_Parent,true);

  222. 				}

  223. 			break;

  224. 			case OPENDUPLEX :

  225. 				if (OSSOutput::Get()->OpenReadWrite())

  226. 				{

  227. 					m_Mode=DUPLEX;

  228. 					cb_Blocking(m_Parent,true);

  229. 				}

  230. 			break;

  231. 			case CLOSE :

  232. 				m_Mode=CLOSED;

  233. 				cb_Blocking(m_Parent,false);

  234. 				OSSOutput::Get()->Close();

  235. 			break;

  236. 			case SET_VOLUME :

  237.                                 OSSOutput::Get()->SetVolume(m_Volume);

  238.                                 break;

  239.                         case CLEAR_NOTIFY:

  240.                                 m_NotifyOpenOut=false;

  241.                                 break;

  242.                         default: break;

  243. 		}

  244.         }

  245. }

  246. 

  247. //////////////////////////////////////////////////////////////////////

  248. //////////////////////////////////////////////////////////////////////

  249. 

  250. OSSOutput::OSSOutput() :

  251. m_Amp(0.5),

  252. m_Channels(2),

  253. m_ReadBufferNum(0),

  254. m_WriteBufferNum(0),

  255. m_OutputOk(false)

  256. {

  257. 	m_Buffer[0]=NULL;

  258. 	m_Buffer[1]=NULL;

  259. 	m_InBuffer[0]=NULL;

  260. 	m_InBuffer[1]=NULL;

  261. }

  262. 

  263. //////////////////////////////////////////////////////////////////////

  264. 

  265. OSSOutput::~OSSOutput()

  266. {

  267. 	Close();

  268. }

  269. 

  270. //////////////////////////////////////////////////////////////////////

  271. 

  272. void OSSOutput::AllocateBuffer()

  273. {

  274. 	if (m_Buffer[0]==NULL)

  275. 	{

  276. 		m_BufSizeBytes=host->BUFSIZE*m_Channels*2;

  277. 		

  278. 		// initialise for stereo

  279. 		m_Buffer[0] = (short*) calloc(m_BufSizeBytes/2,m_BufSizeBytes);

  280. 		m_Buffer[1] = (short*) calloc(m_BufSizeBytes/2,m_BufSizeBytes);

  281. 		m_InBuffer[0] = (short*) calloc(m_BufSizeBytes/2,m_BufSizeBytes);

  282. 		m_InBuffer[1] = (short*) calloc(m_BufSizeBytes/2,m_BufSizeBytes);

  283. 	}

  284. 	

  285. 	m_Wav.SetSamplerate(host->SAMPLERATE);

  286. }

  287. 

  288. //////////////////////////////////////////////////////////////////////

  289. 

  290. void OSSOutput::SendStereo(const Sample *ldata,const Sample *rdata) 

  291. {

  292. 	if (m_Channels!=2) return;

  293. 	

  294. 	int on=0;

  295. 	float t;

  296. 	for (int n=0; n<host->BUFSIZE; n++)

  297. 	{

  298. 		// stereo channels - interleave	

  299. 		if (ldata) 

  300. 		{

  301. 			t=(*ldata)[n]*m_Amp;

  302. 			if (t>1) t=1;

  303. 			if (t<-1) t=-1;

  304. 			m_Buffer[m_WriteBufferNum][on]+=lrintf(t*SHRT_MAX);

  305. 		}

  306. 		on++;

  307. 		

  308. 		if (rdata) 

  309. 		{

  310. 			t=(*rdata)[n]*m_Amp;

  311. 			if (t>1) t=1;

  312. 			if (t<-1) t=-1;

  313. 			m_Buffer[m_WriteBufferNum][on]+=lrintf(t*SHRT_MAX);

  314. 		}		

  315. 		on++;

  316. 	}

  317. }

  318. 

  319. //////////////////////////////////////////////////////////////////////

  320. 

  321. void OSSOutput::Play()

  322. {

  323.     int BufferToSend=!m_WriteBufferNum;

  324. 	

  325.     #if __BYTE_ORDER == BIG_ENDIAN

  326.     for (int n=0; n<host->BUFSIZE*m_Channels; n++)

  327.     {		

  328. 		m_Buffer[BufferToSend][n]=(short)((m_Buffer[BufferToSend][n]<<8)&0xff00)|

  329. 		                                 ((m_Buffer[BufferToSend][n]>>8)&0xff);

  330.     }

  331.     #endif	

  332. 	if (m_OutputOk)

  333. 	{

  334. 		write(m_Dspfd,m_Buffer[BufferToSend],m_BufSizeBytes);

  335. 	}

  336. 		

  337.     if(m_Wav.Recording()) 

  338.     {

  339.         m_Wav.Save(m_Buffer[BufferToSend],m_BufSizeBytes);

  340.     }

  341. 

  342. 	memset(m_Buffer[BufferToSend],0,m_BufSizeBytes);

  343. 	m_WriteBufferNum=BufferToSend;

  344. }

  345. 

  346. //////////////////////////////////////////////////////////////////////

  347. 

  348. void OSSOutput::GetStereo(Sample *ldata,Sample *rdata) 

  349. {

  350. 	if (m_Channels!=2) return;

  351. 	

  352. 	int on=0;

  353. 	for (int n=0; n<host->BUFSIZE; n++)

  354. 	{

  355. 		// stereo channels - interleave	

  356. 		if (ldata) ldata->Set(n,(m_InBuffer[m_ReadBufferNum][on]*m_Amp)/(float)SHRT_MAX);

  357. 		on++;

  358. 		if (rdata) rdata->Set(n,(m_InBuffer[m_ReadBufferNum][on]*m_Amp)/(float)SHRT_MAX);

  359. 		on++;

  360. 	}

  361. }

  362. 

  363. //////////////////////////////////////////////////////////////////////

  364. 

  365. void OSSOutput::Read()

  366. {

  367.     int BufferToRead=!m_ReadBufferNum;

  368. 

  369. 	if (m_OutputOk)

  370. 		read(m_Dspfd,m_InBuffer[BufferToRead],m_BufSizeBytes);

  371. 	

  372.     #if __BYTE_ORDER == BIG_ENDIAN

  373.     for (int n=0; n<host->BUFSIZE*m_Channels; n++)

  374.     {		

  375. 		m_InBuffer[BufferToRead][n]=(short)((m_InBuffer[BufferToRead][n]<<8)&0xff00)|

  376. 		                                   ((m_InBuffer[BufferToRead][n]>>8)&0xff);

  377.     }

  378.     #endif	

  379.     

  380. 	m_ReadBufferNum=BufferToRead;

  381. }

  382. 

  383. //////////////////////////////////////////////////////////////////////

  384. 

  385. bool OSSOutput::Close()

  386. { 	

  387. 	cerr<<"Closing dsp output"<<endl;

  388. 	close(m_Dspfd);

  389. 	

  390. 	return true;

  391. }

  392. 

  393. //////////////////////////////////////////////////////////////////////

  394. 

  395. bool OSSOutput::OpenWrite()

  396. { 	

  397. 	int result,val;

  398. 	cerr<<"Opening dsp output"<<endl;

  399.   

  400. 	m_Dspfd = open(host->OUTPUTFILE.c_str(),O_WRONLY);  

  401. 	if(m_Dspfd<0) 

  402. 	{

  403. 		fprintf(stderr,"Can't open audio driver for writing.\n");

  404. 		m_OutputOk=false;

  405. 		return false;

  406. 	}

  407.    

  408. 	result = ioctl(m_Dspfd,SNDCTL_DSP_RESET,NULL);

  409. 

  410. 	CHECK_AND_REPORT_ERROR;

  411. 			 

  412. 	short fgmtsize=0;

  413. 	int numfgmts=host->FRAGCOUNT;	 	 

  414. 	if (host->FRAGCOUNT==-1) numfgmts=0x7fff;

  415. 	

  416. 	for (int i=0; i<32; i++)

  417. 	{	 	

  418. 		if ((host->FRAGSIZE)==(1<<i)) 

  419. 		{

  420. 			fgmtsize=i; 

  421. 			break;

  422. 		}

  423. 	}

  424. 

  425. 	if (fgmtsize==0)

  426. 	{

  427. 		cerr<<"Fragment size ["<<host->FRAGSIZE<<"] must be power of two!"<<endl;

  428. 		fgmtsize=256;

  429. 	}

  430.  	 	

  431. 	numfgmts=numfgmts<<16;

  432. 	val=numfgmts|(int)fgmtsize;

  433. 	result=ioctl(m_Dspfd, SNDCTL_DSP_SETFRAGMENT, &val);

  434. 	CHECK_AND_REPORT_ERROR;

  435. 	

  436. 	val = 1;

  437. 	result = ioctl(m_Dspfd, SOUND_PCM_WRITE_CHANNELS, &val);

  438. 	CHECK_AND_REPORT_ERROR;

  439. 	

  440. 	val = AFMT_S16_LE;

  441. 	result = ioctl(m_Dspfd,SNDCTL_DSP_SETFMT,&val);	 

  442. 	CHECK_AND_REPORT_ERROR;

  443. 

  444. 	if (m_Channels==2) val=1;

  445. 	else val=0;

  446. 	result = ioctl(m_Dspfd,SNDCTL_DSP_STEREO,&val);

  447. 	CHECK_AND_REPORT_ERROR;

  448. 		

  449. 	val = host->SAMPLERATE;

  450. 	result = ioctl(m_Dspfd,SNDCTL_DSP_SPEED,&val);

  451. 	CHECK_AND_REPORT_ERROR;

  452. 	

  453. 	m_OutputOk=true;

  454. 	return true;

  455. }

  456. 

  457. //////////////////////////////////////////////////////////////////////

  458. 

  459. bool OSSOutput::OpenRead()

  460. { 	

  461. 	int result,val;

  462.   

  463. 	cerr<<"Opening dsp input"<<endl;

  464. 

  465. 	m_Dspfd = open(host->OUTPUTFILE.c_str(),O_RDONLY);  

  466. 	if(m_Dspfd<0) 

  467. 	{

  468. 		fprintf(stderr,"Can't open audio driver for reading.\n");

  469. 		m_OutputOk=false;

  470. 		return false;

  471. 	}

  472.    

  473. 	result = ioctl(m_Dspfd,SNDCTL_DSP_RESET,NULL);

  474. 	CHECK_AND_REPORT_ERROR;

  475. 	

  476. 	val = 1;

  477. 	result = ioctl(m_Dspfd, SOUND_PCM_READ_CHANNELS, &val);

  478. 	CHECK_AND_REPORT_ERROR;

  479. 	

  480. 	val = AFMT_S16_LE;

  481. 	result = ioctl(m_Dspfd,SNDCTL_DSP_SETFMT,&val);	 

  482. 	CHECK_AND_REPORT_ERROR;

  483. 	

  484. 	val = host->SAMPLERATE;

  485. 	result = ioctl(m_Dspfd,SNDCTL_DSP_SPEED,&val);

  486. 	CHECK_AND_REPORT_ERROR;

  487. 	m_OutputOk=true;

  488. 	

  489. 	return true;

  490. }

  491. 

  492. //////////////////////////////////////////////////////////////////////

  493. 

  494. bool OSSOutput::OpenReadWrite()

  495. { 	

  496. 	int result,val;

  497. 	cerr<<"Opening dsp output (duplex)"<<endl;

  498.   

  499. 	m_Dspfd = open(host->OUTPUTFILE.c_str(),O_RDWR);  

  500. 	if(m_Dspfd<0) 

  501. 	{

  502. 		fprintf(stderr,"Can't open audio driver for writing.\n");

  503. 		m_OutputOk=false;

  504. 		return false;

  505. 	}

  506.    

  507. 	result = ioctl(m_Dspfd,SNDCTL_DSP_RESET,NULL);

  508. 

  509. 	CHECK_AND_REPORT_ERROR;

  510. 			 

  511. 	short fgmtsize=0;

  512. 	int numfgmts=host->FRAGCOUNT;	 	 

  513. 	if (host->FRAGCOUNT==-1) numfgmts=0x7fff;

  514. 	

  515. 	for (int i=0; i<32; i++)

  516. 	{	 	

  517. 		if ((host->FRAGSIZE)==(1<<i)) 

  518. 		{

  519. 			fgmtsize=i; 

  520. 			break;

  521. 		}

  522. 	}

  523. 

  524. 	if (fgmtsize==0)

  525. 	{

  526. 		cerr<<"Fragment size ["<<host->FRAGSIZE<<"] must be power of two!"<<endl;

  527. 		fgmtsize=256;

  528. 	}

  529.  	 	

  530. 	numfgmts=numfgmts<<16;

  531. 	val=numfgmts|(int)fgmtsize;

  532. 	result=ioctl(m_Dspfd, SNDCTL_DSP_SETFRAGMENT, &val);

  533. 	CHECK_AND_REPORT_ERROR;

  534. 	

  535. 	val = 1;

  536. 	result = ioctl(m_Dspfd, SOUND_PCM_WRITE_CHANNELS, &val);

  537. 	CHECK_AND_REPORT_ERROR;

  538. 	

  539. 	val = AFMT_S16_LE;

  540. 	result = ioctl(m_Dspfd,SNDCTL_DSP_SETFMT,&val);	 

  541. 	CHECK_AND_REPORT_ERROR;

  542. 

  543. 	if (m_Channels==2) val=1;

  544. 	else val=0;

  545. 	result = ioctl(m_Dspfd,SNDCTL_DSP_STEREO,&val);

  546. 	CHECK_AND_REPORT_ERROR;

  547. 		

  548. 	val = host->SAMPLERATE;

  549. 	result = ioctl(m_Dspfd,SNDCTL_DSP_SPEED,&val);

  550. 	CHECK_AND_REPORT_ERROR;

  551. 	m_OutputOk=true;

  552. 	

  553.     return true;

  554. }