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.
84 Commits
1 Branch
1.8MB
Tree: ad428d7d4e
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'ad428d7d4e'
${ noResults }
spiralsynthmodular/SpiralSound/Plugins/OutputPlugin/OutputPlugin.C

545 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. 

  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* CreateInstance()

  69. {

  70. 	return new OutputPlugin;

  71. }

  72. 

  73. char** GetIcon()

  74. {	

  75. 	return SpiralIcon_xpm;

  76. }

  77. 

  78. int GetID()

  79. {

  80. 	return 0x0000;

  81. }

  82. }

  83. 

  84. ///////////////////////////////////////////////////////

  85. 

  86. OutputPlugin::OutputPlugin() :

  87. m_Volume(1.0f)

  88. {

  89. 	m_RefCount++;

  90. 		

  91. 	m_PluginInfo.Name="OSS";

  92. 	m_PluginInfo.Width=100;

  93. 	m_PluginInfo.Height=100;

  94. 	m_PluginInfo.NumInputs=2;

  95. 	m_PluginInfo.NumOutputs=2;

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

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

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

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

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

  101. 	

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

  103. 	

  104. 	m_Mode=NO_MODE;

  105. }

  106. 

  107. OutputPlugin::~OutputPlugin()

  108. {	

  109. 	m_RefCount--;

  110. 	if (m_RefCount==0)

  111. 	{	

  112. 		cb_Blocking(m_Parent,false);

  113. 		OSSOutput::PackUpAndGoHome();

  114. 	}

  115. }

  116. 

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

  118. {	

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

  120. 	host=Host;

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

  122. 

  123. 	return Info;

  124. }

  125. 

  126. SpiralGUIType *OutputPlugin::CreateGUI()

  127. {

  128. 	return new OutputPluginGUI(m_PluginInfo.Width,

  129. 										  m_PluginInfo.Height,

  130. 										  this,

  131. 										  m_AudioCH,

  132. 										  m_HostInfo);

  133. }

  134. 

  135. void OutputPlugin::Execute()

  136. {

  137. 	if (m_Mode==NO_MODE)

  138. 	{

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

  140. 		{

  141. 			cb_Blocking(m_Parent,true); 

  142. 			m_Mode=OUTPUT;

  143. 		}		

  144. 	}

  145. 	

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

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

  148. 		

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

  150. 	{

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

  152. 		

  153. 		// can't open GUI stuff here

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

  155. 		{

  156. 			// can't open GUI stuff here

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

  158. 			{

  159. 				if (! m_CheckedAlready)

  160. 				{

  161. 				m_CheckedAlready=true;

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

  163. 				n=m_HostInfo->BUFSIZE;

  164. 					if (! m_Recmode)

  165. 					{

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

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

  168. 						{

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

  170. 						}

  171. 						m_Recmode=true;

  172. 					}

  173. 					else 

  174. 					{

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

  176. 						m_Recmode=false;

  177. 					}

  178. 						

  179. 				}

  180. 			}

  181. 			else

  182. 			m_CheckedAlready=false;

  183. 		}*/

  184. 	}

  185. 	

  186. 	if (m_Mode==INPUT || m_Mode==DUPLEX) OSSOutput::Get()->GetStereo(GetOutputBuf(0),GetOutputBuf(1));	

  187. }

  188. 

  189. void OutputPlugin::ExecuteCommands()

  190. {

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

  192. 	m_NoExecuted++;

  193. 	if (m_NoExecuted==m_RefCount)

  194. 	{	

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

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

  197. 		m_NoExecuted=0;

  198. 	}

  199. 

  200. 

  201. 	if (m_AudioCH->IsCommandWaiting())

  202. 	{

  203. 		switch(m_AudioCH->GetCommand())

  204. 		{

  205. 			case OPENREAD : 

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

  207. 				{

  208. 					m_Mode=INPUT;

  209. 					//cb_Blocking(m_Parent,true); 

  210. 				}

  211. 			break;

  212. 			case OPENWRITE : 

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

  214. 				{

  215. 					m_Mode=OUTPUT;

  216. 					cb_Blocking(m_Parent,true); 

  217. 				}

  218. 			break;

  219. 			case OPENDUPLEX : 

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

  221. 				{

  222. 					m_Mode=DUPLEX;

  223. 					cb_Blocking(m_Parent,true); 

  224. 				}

  225. 			break;

  226. 			case CLOSE : 

  227. 				m_Mode=CLOSED;

  228. 				cb_Blocking(m_Parent,false); 

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

  230. 			break;

  231. 			case SET_VOLUME : OSSOutput::Get()->SetVolume(m_Volume); break;			

  232. 			default : break;

  233. 		}

  234. 	}

  235. }

  236. 

  237. //////////////////////////////////////////////////////////////////////

  238. //////////////////////////////////////////////////////////////////////

  239. 

  240. OSSOutput::OSSOutput() :

  241. m_Amp(0.5),

  242. m_Channels(2),

  243. m_ReadBufferNum(0),

  244. m_WriteBufferNum(0),

  245. m_OutputOk(false)

  246. { 

  247. 	m_Buffer[0]=NULL;

  248. 	m_Buffer[1]=NULL;

  249. 	m_InBuffer[0]=NULL;

  250. 	m_InBuffer[1]=NULL;

  251. }

  252. 

  253. //////////////////////////////////////////////////////////////////////

  254. 

  255. OSSOutput::~OSSOutput()

  256. {

  257. 	Close();

  258. }

  259. 

  260. //////////////////////////////////////////////////////////////////////

  261. 

  262. void OSSOutput::AllocateBuffer()

  263. {

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

  265. 	{

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

  267. 		

  268. 		// initialise for stereo

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

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

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

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

  273. 	}

  274. 	

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

  276. }

  277. 

  278. //////////////////////////////////////////////////////////////////////

  279. 

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

  281. {

  282. 	if (m_Channels!=2) return;

  283. 	

  284. 	int on=0;

  285. 	float t;

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

  287. 	{

  288. 		// stereo channels - interleave	

  289. 		if (ldata) 

  290. 		{

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

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

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

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

  295. 		}

  296. 		on++;

  297. 		

  298. 		if (rdata) 

  299. 		{

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

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

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

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

  304. 		}		

  305. 		on++;

  306. 	}

  307. }

  308. 

  309. //////////////////////////////////////////////////////////////////////

  310. 

  311. void OSSOutput::Play()

  312. {

  313.     int BufferToSend=!m_WriteBufferNum;

  314. 	

  315.     #if __BYTE_ORDER == BIG_ENDIAN

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

  317.     {		

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

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

  320.     }

  321.     #endif	

  322. 	if (m_OutputOk)

  323. 	{

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

  325. 	}

  326. 		

  327.     if(m_Wav.Recording()) 

  328.     {

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

  330.     }

  331. 

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

  333. 	m_WriteBufferNum=BufferToSend;

  334. }

  335. 

  336. //////////////////////////////////////////////////////////////////////

  337. 

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

  339. {

  340. 	if (m_Channels!=2) return;

  341. 	

  342. 	int on=0;

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

  344. 	{

  345. 		// stereo channels - interleave	

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

  347. 		on++;

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

  349. 		on++;

  350. 	}

  351. }

  352. 

  353. //////////////////////////////////////////////////////////////////////

  354. 

  355. void OSSOutput::Read()

  356. {

  357.     int BufferToRead=!m_ReadBufferNum;

  358. 

  359. 	if (m_OutputOk)

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

  361. 	

  362.     #if __BYTE_ORDER == BIG_ENDIAN

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

  364.     {		

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

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

  367.     }

  368.     #endif	

  369.     

  370. 	m_ReadBufferNum=BufferToRead;

  371. }

  372. 

  373. //////////////////////////////////////////////////////////////////////

  374. 

  375. bool OSSOutput::Close()

  376. { 	

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

  378. 	close(m_Dspfd);

  379. 	

  380. 	return true;

  381. }

  382. 

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

  384. 

  385. bool OSSOutput::OpenWrite()

  386. { 	

  387. 	int result,val;

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

  389.   

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

  391. 	if(m_Dspfd<0) 

  392. 	{

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

  394. 		m_OutputOk=false;

  395. 		return false;

  396. 	}

  397.    

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

  399. 

  400. 	CHECK_AND_REPORT_ERROR;

  401. 			 

  402. 	short fgmtsize=0;

  403. 	int numfgmts=host->FRAGCOUNT;	 	 

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

  405. 	

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

  407. 	{	 	

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

  409. 		{

  410. 			fgmtsize=i; 

  411. 			break;

  412. 		}

  413. 	}

  414. 

  415. 	if (fgmtsize==0)

  416. 	{

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

  418. 		fgmtsize=256;

  419. 	}

  420.  	 	

  421. 	numfgmts=numfgmts<<16;

  422. 	val=numfgmts|(int)fgmtsize;

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

  424. 	CHECK_AND_REPORT_ERROR;

  425. 	

  426. 	val = 1;

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

  428. 	CHECK_AND_REPORT_ERROR;

  429. 	

  430. 	val = AFMT_S16_LE;

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

  432. 	CHECK_AND_REPORT_ERROR;

  433. 

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

  435. 	else val=0;

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

  437. 	CHECK_AND_REPORT_ERROR;

  438. 		

  439. 	val = host->SAMPLERATE;

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

  441. 	CHECK_AND_REPORT_ERROR;

  442. 	

  443. 	m_OutputOk=true;

  444. 	return true;

  445. }

  446. 

  447. //////////////////////////////////////////////////////////////////////

  448. 

  449. bool OSSOutput::OpenRead()

  450. { 	

  451. 	int result,val;

  452.   

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

  454. 

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

  456. 	if(m_Dspfd<0) 

  457. 	{

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

  459. 		m_OutputOk=false;

  460. 		return false;

  461. 	}

  462.    

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

  464. 	CHECK_AND_REPORT_ERROR;

  465. 	

  466. 	val = 1;

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

  468. 	CHECK_AND_REPORT_ERROR;

  469. 	

  470. 	val = AFMT_S16_LE;

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

  472. 	CHECK_AND_REPORT_ERROR;

  473. 	

  474. 	val = host->SAMPLERATE;

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

  476. 	CHECK_AND_REPORT_ERROR;

  477. 	m_OutputOk=true;

  478. 	

  479. 	return true;

  480. }

  481. 

  482. //////////////////////////////////////////////////////////////////////

  483. 

  484. bool OSSOutput::OpenReadWrite()

  485. { 	

  486. 	int result,val;

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

  488.   

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

  490. 	if(m_Dspfd<0) 

  491. 	{

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

  493. 		m_OutputOk=false;

  494. 		return false;

  495. 	}

  496.    

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

  498. 

  499. 	CHECK_AND_REPORT_ERROR;

  500. 			 

  501. 	short fgmtsize=0;

  502. 	int numfgmts=host->FRAGCOUNT;	 	 

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

  504. 	

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

  506. 	{	 	

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

  508. 		{

  509. 			fgmtsize=i; 

  510. 			break;

  511. 		}

  512. 	}

  513. 

  514. 	if (fgmtsize==0)

  515. 	{

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

  517. 		fgmtsize=256;

  518. 	}

  519.  	 	

  520. 	numfgmts=numfgmts<<16;

  521. 	val=numfgmts|(int)fgmtsize;

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

  523. 	CHECK_AND_REPORT_ERROR;

  524. 	

  525. 	val = 1;

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

  527. 	CHECK_AND_REPORT_ERROR;

  528. 	

  529. 	val = AFMT_S16_LE;

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

  531. 	CHECK_AND_REPORT_ERROR;

  532. 

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

  534. 	else val=0;

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

  536. 	CHECK_AND_REPORT_ERROR;

  537. 		

  538. 	val = host->SAMPLERATE;

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

  540. 	CHECK_AND_REPORT_ERROR;

  541. 	m_OutputOk=true;

  542. 	

  543.     return true;

  544. }