hg/stx-libbasic2: SoundStream.st@606a3ccd3682 (annotated)

4 1f66800df351 * empty log message * claus parents: 3 diff changeset	1	"
1f66800df351 * empty log message * claus parents: 3 diff changeset	2	COPYRIGHT (c) 1993 by Claus Gittinger
45 6768d3213025 claus parents: 36 diff changeset	3	All Rights Reserved
4 1f66800df351 * empty log message * claus parents: 3 diff changeset	4
1f66800df351 * empty log message * claus parents: 3 diff changeset	5	This software is furnished under a license and may be used
1f66800df351 * empty log message * claus parents: 3 diff changeset	6	only in accordance with the terms of that license and with the
1f66800df351 * empty log message * claus parents: 3 diff changeset	7	inclusion of the above copyright notice. This software may not
1f66800df351 * empty log message * claus parents: 3 diff changeset	8	be provided or otherwise made available to, or used by, any
1f66800df351 * empty log message * claus parents: 3 diff changeset	9	other person. No title to or ownership of the software is
1f66800df351 * empty log message * claus parents: 3 diff changeset	10	hereby transferred.
1f66800df351 * empty log message * claus parents: 3 diff changeset	11	"
0 1cf8d1747859 Initial revision claus parents: diff changeset	12
1cf8d1747859 Initial revision claus parents: diff changeset	13	FileStream subclass:#SoundStream
45 6768d3213025 claus parents: 36 diff changeset	14	instanceVariableNames:'sampleRate numberOfChannels bitsPerSample'
6768d3213025 claus parents: 36 diff changeset	15	classVariableNames:'RampOff'
6768d3213025 claus parents: 36 diff changeset	16	poolDictionaries:''
6768d3213025 claus parents: 36 diff changeset	17	category:'Streams-External'
0 1cf8d1747859 Initial revision claus parents: diff changeset	18	!
1cf8d1747859 Initial revision claus parents: diff changeset	19
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	20	!SoundStream primitiveDefinitions!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	21	%{
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	22	#ifdef IRIS
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	23	# ifndef IRIX5
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	24	# define IRIS_AUDIO
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	25	# endif
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	26	#endif
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	27
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	28	#ifdef IRIS_AUDIO
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	29	# include <audio.h>
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	30	# define _ALportVal(o) (ALport)(__MKCP(o))
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	31	#endif
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	32	%}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	33	! !
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	34
28 350f8e9493a4 * empty log message * claus parents: 15 diff changeset	35	!SoundStream class methodsFor:'documentation'!
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	36
31 e223f3cf2995 * empty log message * claus parents: 28 diff changeset	37	copyright
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	38	"
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	39	COPYRIGHT (c) 1993 by Claus Gittinger
45 6768d3213025 claus parents: 36 diff changeset	40	All Rights Reserved
31 e223f3cf2995 * empty log message * claus parents: 28 diff changeset	41
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	42	This software is furnished under a license and may be used
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	43	only in accordance with the terms of that license and with the
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	44	inclusion of the above copyright notice. This software may not
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	45	be provided or otherwise made available to, or used by, any
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	46	other person. No title to or ownership of the software is
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	47	hereby transferred.
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	48	"
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	49	!
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	50
28 350f8e9493a4 * empty log message * claus parents: 15 diff changeset	51	documentation
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	52	"
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	53	Interface to audio device.
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	54	Currently works with PD sound-blaster driver and
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	55	sun audio device. On iris default setup is 8 bit mono
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	56	so I can play the standard sound files I have here.
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	57	It needs much more work, for stereo, different sampling rates etc.
350f8e9493a4 * empty log message * claus parents: 15 diff changeset	58
31 e223f3cf2995 * empty log message * claus parents: 28 diff changeset	59	see companion classes VocBrowser and VocView in fileIn-directory for
e223f3cf2995 * empty log message * claus parents: 28 diff changeset	60	how to use this class.
28 350f8e9493a4 * empty log message * claus parents: 15 diff changeset	61	"
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	62	!
45 6768d3213025 claus parents: 36 diff changeset	63
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	64	version
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	65	^ '$Header: /cvs/stx/stx/libbasic2/SoundStream.st,v 1.18 1995-11-17 16:54:08 cg Exp $'! !
45 6768d3213025 claus parents: 36 diff changeset	66
0 1cf8d1747859 Initial revision claus parents: diff changeset	67	!SoundStream class methodsFor:'instance creation'!
1cf8d1747859 Initial revision claus parents: diff changeset	68
1cf8d1747859 Initial revision claus parents: diff changeset	69	reading
1cf8d1747859 Initial revision claus parents: diff changeset	70	\|newStream\|
1cf8d1747859 Initial revision claus parents: diff changeset	71	newStream := (self basicNew) initialize.
1cf8d1747859 Initial revision claus parents: diff changeset	72	newStream openForReading isNil ifTrue:[^nil].
1cf8d1747859 Initial revision claus parents: diff changeset	73	^ newStream
1cf8d1747859 Initial revision claus parents: diff changeset	74
1cf8d1747859 Initial revision claus parents: diff changeset	75	"SoundStream reading"
1cf8d1747859 Initial revision claus parents: diff changeset	76	!
1cf8d1747859 Initial revision claus parents: diff changeset	77
1cf8d1747859 Initial revision claus parents: diff changeset	78	writing
1cf8d1747859 Initial revision claus parents: diff changeset	79	\|newStream\|
1cf8d1747859 Initial revision claus parents: diff changeset	80
1cf8d1747859 Initial revision claus parents: diff changeset	81	OperatingSystem getCPUType = '386' ifTrue:[
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	82	"soundblaster special kludge to avoid click"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	83	RampOff isNil ifTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	84	self generateRamp
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	85	]
0 1cf8d1747859 Initial revision claus parents: diff changeset	86	].
1cf8d1747859 Initial revision claus parents: diff changeset	87	newStream := (self basicNew) initialize.
1cf8d1747859 Initial revision claus parents: diff changeset	88	newStream openForWriting isNil ifTrue:[^nil].
1cf8d1747859 Initial revision claus parents: diff changeset	89	^ newStream
1cf8d1747859 Initial revision claus parents: diff changeset	90
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	91	"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	92	SoundStream writing
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	93	"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	94
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	95	"Created: 17.11.1995 / 17:25:42 / cg"
0 1cf8d1747859 Initial revision claus parents: diff changeset	96	!
1cf8d1747859 Initial revision claus parents: diff changeset	97
1cf8d1747859 Initial revision claus parents: diff changeset	98	writing16BitStero
1cf8d1747859 Initial revision claus parents: diff changeset	99	"just an example, has never been tried (I also
1cf8d1747859 Initial revision claus parents: diff changeset	100	have no samples for this ... leave it as an exercise"
1cf8d1747859 Initial revision claus parents: diff changeset	101
1cf8d1747859 Initial revision claus parents: diff changeset	102	\|newStream\|
1cf8d1747859 Initial revision claus parents: diff changeset	103
1cf8d1747859 Initial revision claus parents: diff changeset	104	OperatingSystem getCPUType = 'irix' ifFalse:[
45 6768d3213025 claus parents: 36 diff changeset	105	self error:'unsupported audio mode'.
6768d3213025 claus parents: 36 diff changeset	106	^ nil
0 1cf8d1747859 Initial revision claus parents: diff changeset	107	].
1cf8d1747859 Initial revision claus parents: diff changeset	108	newStream := (self basicNew) initialize.
1cf8d1747859 Initial revision claus parents: diff changeset	109	newStream bitsPerSample:16.
1cf8d1747859 Initial revision claus parents: diff changeset	110	newStream numberOfChannels:2.
1cf8d1747859 Initial revision claus parents: diff changeset	111	newStream openForWriting isNil ifTrue:[^nil].
1cf8d1747859 Initial revision claus parents: diff changeset	112	^ newStream
1cf8d1747859 Initial revision claus parents: diff changeset	113
1cf8d1747859 Initial revision claus parents: diff changeset	114	"SoundStream writing16BitStereo"
1cf8d1747859 Initial revision claus parents: diff changeset	115	! !
1cf8d1747859 Initial revision claus parents: diff changeset	116
1cf8d1747859 Initial revision claus parents: diff changeset	117	!SoundStream class methodsFor:'conversion tables'!
1cf8d1747859 Initial revision claus parents: diff changeset	118
1cf8d1747859 Initial revision claus parents: diff changeset	119	uLawToLinear:uLawValue
1cf8d1747859 Initial revision claus parents: diff changeset	120	"currently unused - but will be"
1cf8d1747859 Initial revision claus parents: diff changeset	121
1cf8d1747859 Initial revision claus parents: diff changeset	122	^ #(
45 6768d3213025 claus parents: 36 diff changeset	123	"0 " -32256
6768d3213025 claus parents: 36 diff changeset	124	"1 " -31228
6768d3213025 claus parents: 36 diff changeset	125	"2 " -30200
6768d3213025 claus parents: 36 diff changeset	126	"3 " -29172
6768d3213025 claus parents: 36 diff changeset	127	"4 " -28143
6768d3213025 claus parents: 36 diff changeset	128	"5 " -27115
6768d3213025 claus parents: 36 diff changeset	129	"6 " -26087
6768d3213025 claus parents: 36 diff changeset	130	"7 " -25059
6768d3213025 claus parents: 36 diff changeset	131	"8 " -24031
6768d3213025 claus parents: 36 diff changeset	132	"9 " -23002
6768d3213025 claus parents: 36 diff changeset	133	"10 " -21974
6768d3213025 claus parents: 36 diff changeset	134	"11 " -20946
6768d3213025 claus parents: 36 diff changeset	135	"12 " -19918
6768d3213025 claus parents: 36 diff changeset	136	"13 " -18889
6768d3213025 claus parents: 36 diff changeset	137	"14 " -17861
6768d3213025 claus parents: 36 diff changeset	138	"15 " -16833
6768d3213025 claus parents: 36 diff changeset	139	"16 " -16062
6768d3213025 claus parents: 36 diff changeset	140	"17 " -15548
6768d3213025 claus parents: 36 diff changeset	141	"18 " -15033
6768d3213025 claus parents: 36 diff changeset	142	"19 " -14519
6768d3213025 claus parents: 36 diff changeset	143	"20 " -14005
6768d3213025 claus parents: 36 diff changeset	144	"21 " -13491
6768d3213025 claus parents: 36 diff changeset	145	"22 " -12977
6768d3213025 claus parents: 36 diff changeset	146	"23 " -12463
6768d3213025 claus parents: 36 diff changeset	147	"24 " -11949
6768d3213025 claus parents: 36 diff changeset	148	"25 " -11435
6768d3213025 claus parents: 36 diff changeset	149	"26 " -10920
6768d3213025 claus parents: 36 diff changeset	150	"27 " -10406
6768d3213025 claus parents: 36 diff changeset	151	"28 " -9892
6768d3213025 claus parents: 36 diff changeset	152	"29 " -9378
6768d3213025 claus parents: 36 diff changeset	153	"30 " -8864
6768d3213025 claus parents: 36 diff changeset	154	"31 " -8350
6768d3213025 claus parents: 36 diff changeset	155	"32 " -7964
6768d3213025 claus parents: 36 diff changeset	156	"33 " -7707
6768d3213025 claus parents: 36 diff changeset	157	"34 " -7450
6768d3213025 claus parents: 36 diff changeset	158	"35 " -7193
6768d3213025 claus parents: 36 diff changeset	159	"36 " -6936
6768d3213025 claus parents: 36 diff changeset	160	"37 " -6679
6768d3213025 claus parents: 36 diff changeset	161	"38 " -6422
6768d3213025 claus parents: 36 diff changeset	162	"39 " -6165
6768d3213025 claus parents: 36 diff changeset	163	"40 " -5908
6768d3213025 claus parents: 36 diff changeset	164	"41 " -5651
6768d3213025 claus parents: 36 diff changeset	165	"42 " -5394
6768d3213025 claus parents: 36 diff changeset	166	"43 " -5137
6768d3213025 claus parents: 36 diff changeset	167	"44 " -4880
6768d3213025 claus parents: 36 diff changeset	168	"45 " -4623
6768d3213025 claus parents: 36 diff changeset	169	"46 " -4365
6768d3213025 claus parents: 36 diff changeset	170	"47 " -4108
6768d3213025 claus parents: 36 diff changeset	171	"48 " -3916
6768d3213025 claus parents: 36 diff changeset	172	"49 " -3787
6768d3213025 claus parents: 36 diff changeset	173	"50 " -3659
6768d3213025 claus parents: 36 diff changeset	174	"51 " -3530
6768d3213025 claus parents: 36 diff changeset	175	"52 " -3402
6768d3213025 claus parents: 36 diff changeset	176	"53 " -3273
6768d3213025 claus parents: 36 diff changeset	177	"54 " -3144
6768d3213025 claus parents: 36 diff changeset	178	"55 " -3016
6768d3213025 claus parents: 36 diff changeset	179	"56 " -2887
6768d3213025 claus parents: 36 diff changeset	180	"57 " -2759
6768d3213025 claus parents: 36 diff changeset	181	"58 " -2630
6768d3213025 claus parents: 36 diff changeset	182	"59 " -2502
6768d3213025 claus parents: 36 diff changeset	183	"60 " -2373
6768d3213025 claus parents: 36 diff changeset	184	"61 " -2245
6768d3213025 claus parents: 36 diff changeset	185	"62 " -2116
6768d3213025 claus parents: 36 diff changeset	186	"63 " -1988
6768d3213025 claus parents: 36 diff changeset	187	"64 " -1891
6768d3213025 claus parents: 36 diff changeset	188	"65 " -1827
6768d3213025 claus parents: 36 diff changeset	189	"66 " -1763
6768d3213025 claus parents: 36 diff changeset	190	"67 " -1698
6768d3213025 claus parents: 36 diff changeset	191	"68 " -1634
6768d3213025 claus parents: 36 diff changeset	192	"69 " -1570
6768d3213025 claus parents: 36 diff changeset	193	"70 " -1506
6768d3213025 claus parents: 36 diff changeset	194	"71 " -1441
6768d3213025 claus parents: 36 diff changeset	195	"72 " -1377
6768d3213025 claus parents: 36 diff changeset	196	"73 " -1313
6768d3213025 claus parents: 36 diff changeset	197	"74 " -1249
6768d3213025 claus parents: 36 diff changeset	198	"75 " -1184
6768d3213025 claus parents: 36 diff changeset	199	"76 " -1120
6768d3213025 claus parents: 36 diff changeset	200	"77 " -1056
6768d3213025 claus parents: 36 diff changeset	201	"78 " -992
6768d3213025 claus parents: 36 diff changeset	202	"79 " -927
6768d3213025 claus parents: 36 diff changeset	203	"80 " -879
6768d3213025 claus parents: 36 diff changeset	204	"81 " -847
6768d3213025 claus parents: 36 diff changeset	205	"82 " -815
6768d3213025 claus parents: 36 diff changeset	206	"83 " -783
6768d3213025 claus parents: 36 diff changeset	207	"84 " -751
6768d3213025 claus parents: 36 diff changeset	208	"85 " -718
6768d3213025 claus parents: 36 diff changeset	209	"86 " -686
6768d3213025 claus parents: 36 diff changeset	210	"87 " -654
6768d3213025 claus parents: 36 diff changeset	211	"88 " -622
6768d3213025 claus parents: 36 diff changeset	212	"89 " -590
6768d3213025 claus parents: 36 diff changeset	213	"90 " -558
6768d3213025 claus parents: 36 diff changeset	214	"91 " -526
6768d3213025 claus parents: 36 diff changeset	215	"92 " -494
6768d3213025 claus parents: 36 diff changeset	216	"93 " -461
6768d3213025 claus parents: 36 diff changeset	217	"94 " -429
6768d3213025 claus parents: 36 diff changeset	218	"95 " -397
6768d3213025 claus parents: 36 diff changeset	219	"96 " -373
6768d3213025 claus parents: 36 diff changeset	220	"97 " -357
6768d3213025 claus parents: 36 diff changeset	221	"98 " -341
6768d3213025 claus parents: 36 diff changeset	222	"99 " -325
6768d3213025 claus parents: 36 diff changeset	223	"100" -309
6768d3213025 claus parents: 36 diff changeset	224	"101" -293
6768d3213025 claus parents: 36 diff changeset	225	"102" -277
6768d3213025 claus parents: 36 diff changeset	226	"103" -261
6768d3213025 claus parents: 36 diff changeset	227	"104" -245
6768d3213025 claus parents: 36 diff changeset	228	"105" -228
6768d3213025 claus parents: 36 diff changeset	229	"106" -212
6768d3213025 claus parents: 36 diff changeset	230	"107" -196
6768d3213025 claus parents: 36 diff changeset	231	"108" -180
6768d3213025 claus parents: 36 diff changeset	232	"109" -164
6768d3213025 claus parents: 36 diff changeset	233	"110" -148
6768d3213025 claus parents: 36 diff changeset	234	"111" -132
6768d3213025 claus parents: 36 diff changeset	235	"112" -120
6768d3213025 claus parents: 36 diff changeset	236	"113" -112
6768d3213025 claus parents: 36 diff changeset	237	"114" -104
6768d3213025 claus parents: 36 diff changeset	238	"115" -96
6768d3213025 claus parents: 36 diff changeset	239	"116" -88
6768d3213025 claus parents: 36 diff changeset	240	"117" -80
6768d3213025 claus parents: 36 diff changeset	241	"118" -72
6768d3213025 claus parents: 36 diff changeset	242	"119" -64
6768d3213025 claus parents: 36 diff changeset	243	"120" -56
6768d3213025 claus parents: 36 diff changeset	244	"121" -48
6768d3213025 claus parents: 36 diff changeset	245	"122" -40
6768d3213025 claus parents: 36 diff changeset	246	"123" -32
6768d3213025 claus parents: 36 diff changeset	247	"124" -24
6768d3213025 claus parents: 36 diff changeset	248	"125" -16
6768d3213025 claus parents: 36 diff changeset	249	"126" -8
6768d3213025 claus parents: 36 diff changeset	250	"127" 0
6768d3213025 claus parents: 36 diff changeset	251	"128" 32256
6768d3213025 claus parents: 36 diff changeset	252	"129" 31228
6768d3213025 claus parents: 36 diff changeset	253	"130" 30200
6768d3213025 claus parents: 36 diff changeset	254	"131" 29172
6768d3213025 claus parents: 36 diff changeset	255	"132" 28143
6768d3213025 claus parents: 36 diff changeset	256	"133" 27115
6768d3213025 claus parents: 36 diff changeset	257	"134" 26087
6768d3213025 claus parents: 36 diff changeset	258	"135" 25059
6768d3213025 claus parents: 36 diff changeset	259	"136" 24031
6768d3213025 claus parents: 36 diff changeset	260	"137" 23002
6768d3213025 claus parents: 36 diff changeset	261	"138" 21974
6768d3213025 claus parents: 36 diff changeset	262	"139" 20946
6768d3213025 claus parents: 36 diff changeset	263	"140" 19918
6768d3213025 claus parents: 36 diff changeset	264	"141" 18889
6768d3213025 claus parents: 36 diff changeset	265	"142" 17861
6768d3213025 claus parents: 36 diff changeset	266	"143" 16833
6768d3213025 claus parents: 36 diff changeset	267	"144" 16062
6768d3213025 claus parents: 36 diff changeset	268	"145" 15548
6768d3213025 claus parents: 36 diff changeset	269	"146" 15033
6768d3213025 claus parents: 36 diff changeset	270	"147" 14519
6768d3213025 claus parents: 36 diff changeset	271	"148" 14005
6768d3213025 claus parents: 36 diff changeset	272	"149" 13491
6768d3213025 claus parents: 36 diff changeset	273	"150" 12977
6768d3213025 claus parents: 36 diff changeset	274	"151" 12463
6768d3213025 claus parents: 36 diff changeset	275	"152" 11949
6768d3213025 claus parents: 36 diff changeset	276	"153" 11435
6768d3213025 claus parents: 36 diff changeset	277	"154" 10920
6768d3213025 claus parents: 36 diff changeset	278	"155" 10406
6768d3213025 claus parents: 36 diff changeset	279	"156" 9892
6768d3213025 claus parents: 36 diff changeset	280	"157" 9378
6768d3213025 claus parents: 36 diff changeset	281	"158" 8864
6768d3213025 claus parents: 36 diff changeset	282	"159" 8350
6768d3213025 claus parents: 36 diff changeset	283	"160" 7964
6768d3213025 claus parents: 36 diff changeset	284	"161" 7707
6768d3213025 claus parents: 36 diff changeset	285	"162" 7450
6768d3213025 claus parents: 36 diff changeset	286	"163" 7193
6768d3213025 claus parents: 36 diff changeset	287	"164" 6936
6768d3213025 claus parents: 36 diff changeset	288	"165" 6679
6768d3213025 claus parents: 36 diff changeset	289	"166" 6422
6768d3213025 claus parents: 36 diff changeset	290	"167" 6165
6768d3213025 claus parents: 36 diff changeset	291	"168" 5908
6768d3213025 claus parents: 36 diff changeset	292	"169" 5651
6768d3213025 claus parents: 36 diff changeset	293	"170" 5394
6768d3213025 claus parents: 36 diff changeset	294	"171" 5137
6768d3213025 claus parents: 36 diff changeset	295	"172" 4880
6768d3213025 claus parents: 36 diff changeset	296	"173" 4623
6768d3213025 claus parents: 36 diff changeset	297	"174" 4365
6768d3213025 claus parents: 36 diff changeset	298	"175" 4108
6768d3213025 claus parents: 36 diff changeset	299	"176" 3916
6768d3213025 claus parents: 36 diff changeset	300	"177" 3787
6768d3213025 claus parents: 36 diff changeset	301	"178" 3659
6768d3213025 claus parents: 36 diff changeset	302	"179" 3530
6768d3213025 claus parents: 36 diff changeset	303	"180" 3402
6768d3213025 claus parents: 36 diff changeset	304	"181" 3273
6768d3213025 claus parents: 36 diff changeset	305	"182" 3144
6768d3213025 claus parents: 36 diff changeset	306	"183" 3016
6768d3213025 claus parents: 36 diff changeset	307	"184" 2887
6768d3213025 claus parents: 36 diff changeset	308	"185" 2759
6768d3213025 claus parents: 36 diff changeset	309	"186" 2630
6768d3213025 claus parents: 36 diff changeset	310	"187" 2502
6768d3213025 claus parents: 36 diff changeset	311	"188" 2373
6768d3213025 claus parents: 36 diff changeset	312	"189" 2245
6768d3213025 claus parents: 36 diff changeset	313	"190" 2116
6768d3213025 claus parents: 36 diff changeset	314	"191" 1988
6768d3213025 claus parents: 36 diff changeset	315	"192" 1891
6768d3213025 claus parents: 36 diff changeset	316	"193" 1827
6768d3213025 claus parents: 36 diff changeset	317	"194" 1763
6768d3213025 claus parents: 36 diff changeset	318	"195" 1698
6768d3213025 claus parents: 36 diff changeset	319	"196" 1634
6768d3213025 claus parents: 36 diff changeset	320	"197" 1570
6768d3213025 claus parents: 36 diff changeset	321	"198" 1506
6768d3213025 claus parents: 36 diff changeset	322	"199" 1441
6768d3213025 claus parents: 36 diff changeset	323	"200" 1377
6768d3213025 claus parents: 36 diff changeset	324	"201" 1313
6768d3213025 claus parents: 36 diff changeset	325	"202" 1249
6768d3213025 claus parents: 36 diff changeset	326	"203" 1184
6768d3213025 claus parents: 36 diff changeset	327	"204" 1120
6768d3213025 claus parents: 36 diff changeset	328	"205" 1056
6768d3213025 claus parents: 36 diff changeset	329	"206" 992
6768d3213025 claus parents: 36 diff changeset	330	"207" 927
6768d3213025 claus parents: 36 diff changeset	331	"208" 879
6768d3213025 claus parents: 36 diff changeset	332	"209" 847
6768d3213025 claus parents: 36 diff changeset	333	"210" 815
6768d3213025 claus parents: 36 diff changeset	334	"211" 783
6768d3213025 claus parents: 36 diff changeset	335	"212" 751
6768d3213025 claus parents: 36 diff changeset	336	"213" 718
6768d3213025 claus parents: 36 diff changeset	337	"214" 686
6768d3213025 claus parents: 36 diff changeset	338	"215" 654
6768d3213025 claus parents: 36 diff changeset	339	"216" 622
6768d3213025 claus parents: 36 diff changeset	340	"217" 590
6768d3213025 claus parents: 36 diff changeset	341	"218" 558
6768d3213025 claus parents: 36 diff changeset	342	"219" 526
6768d3213025 claus parents: 36 diff changeset	343	"220" 494
6768d3213025 claus parents: 36 diff changeset	344	"221" 461
6768d3213025 claus parents: 36 diff changeset	345	"222" 429
6768d3213025 claus parents: 36 diff changeset	346	"223" 397
6768d3213025 claus parents: 36 diff changeset	347	"224" 373
6768d3213025 claus parents: 36 diff changeset	348	"225" 357
6768d3213025 claus parents: 36 diff changeset	349	"226" 341
6768d3213025 claus parents: 36 diff changeset	350	"227" 325
6768d3213025 claus parents: 36 diff changeset	351	"228" 309
6768d3213025 claus parents: 36 diff changeset	352	"229" 293
6768d3213025 claus parents: 36 diff changeset	353	"230" 277
6768d3213025 claus parents: 36 diff changeset	354	"231" 261
6768d3213025 claus parents: 36 diff changeset	355	"232" 245
6768d3213025 claus parents: 36 diff changeset	356	"233" 228
6768d3213025 claus parents: 36 diff changeset	357	"234" 212
6768d3213025 claus parents: 36 diff changeset	358	"235" 196
6768d3213025 claus parents: 36 diff changeset	359	"236" 180
6768d3213025 claus parents: 36 diff changeset	360	"237" 164
6768d3213025 claus parents: 36 diff changeset	361	"238" 148
6768d3213025 claus parents: 36 diff changeset	362	"239" 132
6768d3213025 claus parents: 36 diff changeset	363	"240" 120
6768d3213025 claus parents: 36 diff changeset	364	"241" 112
6768d3213025 claus parents: 36 diff changeset	365	"242" 104
6768d3213025 claus parents: 36 diff changeset	366	"243" 96
6768d3213025 claus parents: 36 diff changeset	367	"244" 88
6768d3213025 claus parents: 36 diff changeset	368	"245" 80
6768d3213025 claus parents: 36 diff changeset	369	"246" 72
6768d3213025 claus parents: 36 diff changeset	370	"247" 64
6768d3213025 claus parents: 36 diff changeset	371	"248" 56
6768d3213025 claus parents: 36 diff changeset	372	"249" 48
6768d3213025 claus parents: 36 diff changeset	373	"250" 40
6768d3213025 claus parents: 36 diff changeset	374	"251" 32
6768d3213025 claus parents: 36 diff changeset	375	"252" 24
6768d3213025 claus parents: 36 diff changeset	376	"253" 16
6768d3213025 claus parents: 36 diff changeset	377	"254" 8
6768d3213025 claus parents: 36 diff changeset	378	"255" 0
0 1cf8d1747859 Initial revision claus parents: diff changeset	379	) at:(uLawValue + 1)
1cf8d1747859 Initial revision claus parents: diff changeset	380	! !
1cf8d1747859 Initial revision claus parents: diff changeset	381
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	382	!SoundStream class methodsFor:'default values'!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	383
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	384	blockSize
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	385	"a good chunk size to read soundstream.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	386	Some devices may force a specific size ..."
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	387
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	388	^ 2048 "about 1/4 of a second"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	389	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	390
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	391	defaultBitsPerSample
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	392	"minimum, supported by all audio systems"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	393
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	394	^ 8
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	395	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	396
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	397	defaultMode
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	398	^ #linear "planned is at least uLaw"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	399	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	400
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	401	defaultNumberOfChannels
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	402	"minimum, supported by all audio systems"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	403
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	404	^ 1
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	405	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	406
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	407	defaultSampleRate
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	408	"minimum, supported by all audio systems"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	409
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	410	^ 8000
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	411	! !
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	412
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	413	!SoundStream class methodsFor:'playing'!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	414
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	415	playSoundFile:aFilename
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	416	\|inStream soundStream count totalCount buffer startTime playTime delayedTime waitTime\|
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	417
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	418	inStream := aFilename asFilename readStream.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	419	inStream isNil ifTrue:[^ self].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	420
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	421	soundStream := self writing.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	422	soundStream isNil ifTrue:[^ self].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	423	soundStream buffered:false.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	424
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	425	startTime := AbsoluteTime now.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	426	totalCount := 0.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	427
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	428	buffer := ByteArray new:4096.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	429	[(count := inStream nextBytesInto:buffer) > 0] whileTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	430	totalCount := totalCount + count.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	431	soundStream nextPutBytes:count from:buffer.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	432	].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	433
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	434	inStream close.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	435	soundStream commit.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	436
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	437	"/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	438	"/ at least the linux audio driver behaves funny, if we close too early ...
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	439	"/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	440	playTime := totalCount / soundStream sampleRate.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	441	delayedTime := (AbsoluteTime now - startTime).
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	442	waitTime := playTime - delayedTime + 0.1.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	443
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	444	(Delay forSeconds:waitTime) wait.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	445
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	446	soundStream close.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	447
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	448	"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	449	SoundStream playSoundFile:'/usr/local/lib/sounds/laugh.snd'
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	450	SoundStream playSoundFile:'/usr/local/lib/sounds/spacemusic.snd'
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	451	"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	452
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	453	"Created: 17.11.1995 / 17:25:30 / cg"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	454	"Modified: 17.11.1995 / 17:45:40 / cg"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	455	! !
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	456
0 1cf8d1747859 Initial revision claus parents: diff changeset	457	!SoundStream class methodsFor:'private'!
1cf8d1747859 Initial revision claus parents: diff changeset	458
1cf8d1747859 Initial revision claus parents: diff changeset	459	generateRamp
1cf8d1747859 Initial revision claus parents: diff changeset	460	"create ramp data (need to be played on soundblaster
1cf8d1747859 Initial revision claus parents: diff changeset	461	before closing device to prevent audible click-on/off).
1cf8d1747859 Initial revision claus parents: diff changeset	462	This method just fills a buffer with ramp data."
1cf8d1747859 Initial revision claus parents: diff changeset	463
1cf8d1747859 Initial revision claus parents: diff changeset	464	\|size div\|
1cf8d1747859 Initial revision claus parents: diff changeset	465
1cf8d1747859 Initial revision claus parents: diff changeset	466	size := 256.
1cf8d1747859 Initial revision claus parents: diff changeset	467	div := size // 128.
11 13c892f36231 * empty log message * claus parents: 6 diff changeset	468	RampOff := ByteArray new:size.
0 1cf8d1747859 Initial revision claus parents: diff changeset	469	1 to:size do:[:index \|
11 13c892f36231 * empty log message * claus parents: 6 diff changeset	470	RampOff at:index put:(size - index // div)
0 1cf8d1747859 Initial revision claus parents: diff changeset	471	]
1cf8d1747859 Initial revision claus parents: diff changeset	472
1cf8d1747859 Initial revision claus parents: diff changeset	473	"SoundStream generateRamp"
1cf8d1747859 Initial revision claus parents: diff changeset	474	! !
1cf8d1747859 Initial revision claus parents: diff changeset	475
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	476	!SoundStream methodsFor:'catching invalid methods'!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	477
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	478	pathName:filename
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	479	"catch pathname access - its fixed here"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	480
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	481	self shouldNotImplement
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	482	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	483
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	484	pathName:filename in:aDirectory
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	485	"catch pathname access - its fixed here"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	486
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	487	self shouldNotImplement
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	488	! !
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	489
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	490	!SoundStream methodsFor:'instance release'!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	491
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	492	closeFile
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	493	"a stream has been collected - close the file"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	494
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	495	OperatingSystem getOSType = 'irix' ifFalse:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	496	^ super closeFile
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	497	].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	498	%{
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	499	#ifdef IRIS_AUDIO
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	500	ALcloseport(_ALportVal(_INST(filePointer)));
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	501	#endif
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	502	%}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	503	! !
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	504
0 1cf8d1747859 Initial revision claus parents: diff changeset	505	!SoundStream methodsFor:'mode setting'!
1cf8d1747859 Initial revision claus parents: diff changeset	506
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	507	bitsPerSample
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	508	"return the number of bits per sample - usually 8"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	509
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	510	^ bitsPerSample
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	511	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	512
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	513	bitsPerSample:aNumber
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	514	"set the number of bits per sample"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	515
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	516	bitsPerSample := aNumber
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	517	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	518
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	519	numberOfChannels
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	520	"return the number of channels (1 or 2; usually 1)"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	521
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	522	^ numberOfChannels
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	523	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	524
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	525	numberOfChannels:aNumber
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	526	"set the number of channels"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	527
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	528	numberOfChannels := aNumber
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	529	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	530
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	531	sampleRate
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	532	"return the sample rate"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	533
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	534	^ sampleRate
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	535	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	536
0 1cf8d1747859 Initial revision claus parents: diff changeset	537	sampleRate:aNumber
1cf8d1747859 Initial revision claus parents: diff changeset	538	"set the sample rate in hertz - on some
1cf8d1747859 Initial revision claus parents: diff changeset	539	devices, this is a nop"
1cf8d1747859 Initial revision claus parents: diff changeset	540
1cf8d1747859 Initial revision claus parents: diff changeset	541	OperatingSystem getCPUType = '386' ifTrue:[
45 6768d3213025 claus parents: 36 diff changeset	542	"assume sound-blaster device"
6768d3213025 claus parents: 36 diff changeset	543	"set sound blasters sample rate"
0 1cf8d1747859 Initial revision claus parents: diff changeset	544
45 6768d3213025 claus parents: 36 diff changeset	545	sampleRate := aNumber.
6768d3213025 claus parents: 36 diff changeset	546	self ioctl:1 "DSP_IOCTL_SPEED" with:aNumber
0 1cf8d1747859 Initial revision claus parents: diff changeset	547	].
1cf8d1747859 Initial revision claus parents: diff changeset	548	OperatingSystem getOSType = 'sunos' ifTrue:[
45 6768d3213025 claus parents: 36 diff changeset	549	"audio sample rate is fix"
6768d3213025 claus parents: 36 diff changeset	550	^ self "cannot change"
0 1cf8d1747859 Initial revision claus parents: diff changeset	551	].
1cf8d1747859 Initial revision claus parents: diff changeset	552	OperatingSystem getOSType = 'irix' ifTrue:[
45 6768d3213025 claus parents: 36 diff changeset	553	"could change using ALibrary ...for now, it is fix"
6768d3213025 claus parents: 36 diff changeset	554	sampleRate := aNumber.
0 1cf8d1747859 Initial revision claus parents: diff changeset	555	].
1cf8d1747859 Initial revision claus parents: diff changeset	556	! !
1cf8d1747859 Initial revision claus parents: diff changeset	557
1cf8d1747859 Initial revision claus parents: diff changeset	558	!SoundStream methodsFor:'private'!
1cf8d1747859 Initial revision claus parents: diff changeset	559
1cf8d1747859 Initial revision claus parents: diff changeset	560	initialize
1cf8d1747859 Initial revision claus parents: diff changeset	561	"initialize for least common mode"
1cf8d1747859 Initial revision claus parents: diff changeset	562
6 96ce41566060 2.8.1 claus parents: 4 diff changeset	563	buffered := false.
0 1cf8d1747859 Initial revision claus parents: diff changeset	564	bitsPerSample := 8.
1cf8d1747859 Initial revision claus parents: diff changeset	565	numberOfChannels := 1.
1cf8d1747859 Initial revision claus parents: diff changeset	566	sampleRate := 8000.
1cf8d1747859 Initial revision claus parents: diff changeset	567
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	568	'/dev/audio' asFilename exists ifTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	569	"/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	570	"/ sunos or linux
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	571	"/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	572	pathName := '/dev/audio'.
0 1cf8d1747859 Initial revision claus parents: diff changeset	573	].
1cf8d1747859 Initial revision claus parents: diff changeset	574
1cf8d1747859 Initial revision claus parents: diff changeset	575	OperatingSystem getOSType = 'irix' ifTrue:[
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	576	"no device, use special library calls"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	577	pathName := nil.
0 1cf8d1747859 Initial revision claus parents: diff changeset	578	].
1cf8d1747859 Initial revision claus parents: diff changeset	579
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	580	"/ OperatingSystem getCPUType = '386' ifTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	581	"/ "this code assumes a PD sound-blaster driver .."
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	582	"/ pathName := '/dev/sbdsp'
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	583	"/ ]
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	584
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	585	"Created: 17.11.1995 / 17:28:14 / cg"
0 1cf8d1747859 Initial revision claus parents: diff changeset	586	! !
1cf8d1747859 Initial revision claus parents: diff changeset	587
1cf8d1747859 Initial revision claus parents: diff changeset	588	!SoundStream methodsFor:'redefined'!
1cf8d1747859 Initial revision claus parents: diff changeset	589
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	590	close
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	591	OperatingSystem getOSType = 'irix' ifTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	592	^ self closeFile
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	593	].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	594
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	595	"/ (mode == #writeonly) ifTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	596	"/ "special handling of close on sound blaster,
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	597	"/ turn off voice but continue playing a ramp
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	598	"/ to avoid audible click"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	599	"/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	600	"/ OperatingSystem getCPUType = '386' ifTrue:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	601	"/ "assume sound-blaster device"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	602	"/ self ioctl:2 "DSP_IOCTL_VOICE" with:0.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	603	"/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	604	"/ "OperatingSystem sleep:3. "
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	605	"/ "add a ramp to zero to prevent click-off"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	606	"/ super nextPutBytes:(RampOff size) from:RampOff
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	607	"/ ]
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	608	"/ ].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	609	super close
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	610
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	611	"Created: 17.11.1995 / 17:27:26 / cg"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	612	"Modified: 17.11.1995 / 17:47:13 / cg"
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	613	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	614
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	615	nextBytes:count into:anObject startingAt:start
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	616	"read the next count bytes into an object and return the number of
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	617	bytes read or nil on error.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	618	Use with ByteArrays only."
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	619
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	620	%{
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	621	#ifdef IRIS_AUDIO
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	622	{
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	623	ALport p;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	624	int cnt, offs;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	625	int objSize;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	626	char *cp;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	627
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	628	if (_INST(filePointer) != nil) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	629	if (_INST(mode) != _writeonly) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	630	if (__bothSmallInteger(count, start)) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	631	cnt = _intVal(count);
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	632	offs = _intVal(start) - 1;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	633	p = _ALportVal(_INST(filePointer));
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	634	objSize = _Size(anObject) - OHDR_SIZE;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	635	if ((offs >= 0) && (cnt >= 0) && (objSize >= (cnt + offs))) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	636	cp = (char *)_InstPtr(anObject) + OHDR_SIZE + offs;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	637	if (_INST(bitsPerSample) == _MKSMALLINT(16))
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	638	ALreadsamps(p, cp, cnt / 2);
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	639	else
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	640	ALreadsamps(p, cp, cnt);
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	641	RETURN ( _MKSMALLINT(cnt) );
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	642	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	643	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	644	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	645	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	646	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	647	#endif
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	648	%}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	649	.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	650	OperatingSystem getOSType = 'irix' ifFalse:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	651	^ super nextPutBytes:count from:anObject startingAt:start
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	652	].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	653	filePointer isNil ifTrue:[^ self errorNotOpen].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	654	(mode == #writeonly) ifTrue:[^ self errorWriteOnly].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	655	self primitiveFailed
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	656	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	657
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	658	nextPutBytes:count from:anObject startingAt:start
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	659	"write count bytes from an object starting at index start.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	660	return the number of bytes written or nil on error.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	661	Redefined, since IRIS audio library cannot be used with stdio.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	662	(at least I dont know). Use with ByteArrays only."
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	663
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	664	%{
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	665	#ifdef IRIS_AUDIO
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	666	{
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	667	ALport p;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	668	int cnt, offs;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	669	int objSize;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	670	char *cp;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	671
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	672	if (_INST(filePointer) != nil) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	673	if (_INST(mode) != _readonly) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	674	if (__bothSmallInteger(count, start)) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	675	cnt = _intVal(count);
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	676	offs = _intVal(start) - 1;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	677	p = _ALportVal(_INST(filePointer));
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	678
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	679	/*
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	680	* compute number of samples
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	681	*/
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	682	objSize = _Size(anObject) - OHDR_SIZE;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	683	if ( (offs >= 0) && (cnt >= 0) && (objSize >= (cnt + offs)) ) {
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	684	cp = (char *)_InstPtr(anObject) + OHDR_SIZE + offs;
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	685	if (_INST(bitsPerSample) == _MKSMALLINT(16))
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	686	ALwritesamps(p, cp, cnt / 2);
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	687	else
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	688	ALwritesamps(p, cp, cnt);
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	689	RETURN ( _MKSMALLINT(cnt) );
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	690	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	691	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	692	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	693	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	694	}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	695	#endif
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	696	%}
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	697	.
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	698	OperatingSystem getOSType = 'irix' ifFalse:[
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	699	^ super nextPutBytes:count from:anObject startingAt:start
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	700	].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	701	filePointer isNil ifTrue:[^ self errorNotOpen].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	702	(mode == #readonly) ifTrue:[^ self errorReadOnly].
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	703	self primitiveFailed
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	704	!
606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	705
0 1cf8d1747859 Initial revision claus parents: diff changeset	706	openWithMode:aMode
1cf8d1747859 Initial revision claus parents: diff changeset	707	OperatingSystem getOSType = 'irix' ifFalse:[
45 6768d3213025 claus parents: 36 diff changeset	708	"its a regular file open"
6768d3213025 claus parents: 36 diff changeset	709	^ super openWithMode:aMode
0 1cf8d1747859 Initial revision claus parents: diff changeset	710	].
1cf8d1747859 Initial revision claus parents: diff changeset	711
1cf8d1747859 Initial revision claus parents: diff changeset	712	((aMode = 'r') or:[aMode = 'w']) ifFalse:[
45 6768d3213025 claus parents: 36 diff changeset	713	self error:'invalid mode'.
6768d3213025 claus parents: 36 diff changeset	714	^ nil
0 1cf8d1747859 Initial revision claus parents: diff changeset	715	].
1cf8d1747859 Initial revision claus parents: diff changeset	716	%{
36 d046fe84ea67 * empty log message * claus parents: 31 diff changeset	717	#ifdef IRIS_AUDIO
0 1cf8d1747859 Initial revision claus parents: diff changeset	718	{
1cf8d1747859 Initial revision claus parents: diff changeset	719	ALconfig config;
1cf8d1747859 Initial revision claus parents: diff changeset	720	ALport p;
1cf8d1747859 Initial revision claus parents: diff changeset	721	long params[] = {
45 6768d3213025 claus parents: 36 diff changeset	722	AL_INPUT_SOURCE, AL_INPUT_MIC,
6768d3213025 claus parents: 36 diff changeset	723	AL_INPUT_RATE, 8000,
6768d3213025 claus parents: 36 diff changeset	724	AL_OUTPUT_RATE, 8000,
0 1cf8d1747859 Initial revision claus parents: diff changeset	725	};
1cf8d1747859 Initial revision claus parents: diff changeset	726
1cf8d1747859 Initial revision claus parents: diff changeset	727	config = ALnewconfig();
1cf8d1747859 Initial revision claus parents: diff changeset	728	if (_INST(numberOfChannels) == _MKSMALLINT(2))
45 6768d3213025 claus parents: 36 diff changeset	729	ALsetchannels(config, AL_STEREO);
0 1cf8d1747859 Initial revision claus parents: diff changeset	730	else
45 6768d3213025 claus parents: 36 diff changeset	731	ALsetchannels(config, AL_MONO);
0 1cf8d1747859 Initial revision claus parents: diff changeset	732	if (_INST(bitsPerSample) == _MKSMALLINT(16))
45 6768d3213025 claus parents: 36 diff changeset	733	ALsetwidth(config, AL_SAMPLE_16);
0 1cf8d1747859 Initial revision claus parents: diff changeset	734	else
45 6768d3213025 claus parents: 36 diff changeset	735	ALsetwidth(config, AL_SAMPLE_8);
0 1cf8d1747859 Initial revision claus parents: diff changeset	736
58 bd6753bf0401 * empty log message * claus parents: 51 diff changeset	737	if (__isSmallInteger(_INST(sampleRate)))
45 6768d3213025 claus parents: 36 diff changeset	738	params[3] = params[5] = _intVal(_INST(sampleRate));
0 1cf8d1747859 Initial revision claus parents: diff changeset	739
1cf8d1747859 Initial revision claus parents: diff changeset	740	ALsetparams(AL_DEFAULT_DEVICE, params, 6);
1cf8d1747859 Initial revision claus parents: diff changeset	741	p = ALopenport("smallchat", (char *)_stringVal(aMode), config);
1cf8d1747859 Initial revision claus parents: diff changeset	742	if (p) {
110 7af19ae8693b use new FILE* wrapper macros (based on externalAddress) Claus Gittinger <cg@exept.de> parents: 85 diff changeset	743	_INST(filePointer) = __MKOBJ(p);
0 1cf8d1747859 Initial revision claus parents: diff changeset	744	} else {
45 6768d3213025 claus parents: 36 diff changeset	745	_INST(filePointer) = nil;
6768d3213025 claus parents: 36 diff changeset	746	RETURN (nil);
0 1cf8d1747859 Initial revision claus parents: diff changeset	747	}
1cf8d1747859 Initial revision claus parents: diff changeset	748	_INST(binary) = true;
1cf8d1747859 Initial revision claus parents: diff changeset	749
1cf8d1747859 Initial revision claus parents: diff changeset	750	ALfreeconfig(config);
1cf8d1747859 Initial revision claus parents: diff changeset	751	/*
1cf8d1747859 Initial revision claus parents: diff changeset	752	* get the parameters actually installed
1cf8d1747859 Initial revision claus parents: diff changeset	753	*/
1cf8d1747859 Initial revision claus parents: diff changeset	754	config = ALgetconfig(p);
1cf8d1747859 Initial revision claus parents: diff changeset	755	switch (ALgetchannels(config)) {
45 6768d3213025 claus parents: 36 diff changeset	756	default:
6768d3213025 claus parents: 36 diff changeset	757	/* cannot happen */
6768d3213025 claus parents: 36 diff changeset	758	case AL_MONO:
6768d3213025 claus parents: 36 diff changeset	759	_INST(numberOfChannels) = _MKSMALLINT(1);
6768d3213025 claus parents: 36 diff changeset	760	break;
6768d3213025 claus parents: 36 diff changeset	761	case AL_STEREO:
6768d3213025 claus parents: 36 diff changeset	762	_INST(numberOfChannels) = _MKSMALLINT(2);
6768d3213025 claus parents: 36 diff changeset	763	break;
0 1cf8d1747859 Initial revision claus parents: diff changeset	764	}
1cf8d1747859 Initial revision claus parents: diff changeset	765	switch (ALgetwidth(config)) {
45 6768d3213025 claus parents: 36 diff changeset	766	default:
6768d3213025 claus parents: 36 diff changeset	767	/* cannot happen */
6768d3213025 claus parents: 36 diff changeset	768	case AL_SAMPLE_8:
6768d3213025 claus parents: 36 diff changeset	769	_INST(bitsPerSample) = _MKSMALLINT(8);
6768d3213025 claus parents: 36 diff changeset	770	break;
6768d3213025 claus parents: 36 diff changeset	771	case AL_SAMPLE_16:
6768d3213025 claus parents: 36 diff changeset	772	_INST(bitsPerSample) = _MKSMALLINT(16);
6768d3213025 claus parents: 36 diff changeset	773	break;
6768d3213025 claus parents: 36 diff changeset	774	case AL_SAMPLE_24:
6768d3213025 claus parents: 36 diff changeset	775	_INST(bitsPerSample) = _MKSMALLINT(24);
6768d3213025 claus parents: 36 diff changeset	776	break;
0 1cf8d1747859 Initial revision claus parents: diff changeset	777	}
1cf8d1747859 Initial revision claus parents: diff changeset	778	ALgetparams(AL_DEFAULT_DEVICE, params, 6);
1cf8d1747859 Initial revision claus parents: diff changeset	779	_INST(sampleRate) = _MKSMALLINT(params[3]);
1cf8d1747859 Initial revision claus parents: diff changeset	780
1cf8d1747859 Initial revision claus parents: diff changeset	781	ALfreeconfig(config);
1cf8d1747859 Initial revision claus parents: diff changeset	782	}
1cf8d1747859 Initial revision claus parents: diff changeset	783	#endif
1cf8d1747859 Initial revision claus parents: diff changeset	784	%}
1cf8d1747859 Initial revision claus parents: diff changeset	785	.
1cf8d1747859 Initial revision claus parents: diff changeset	786	^ self
1cf8d1747859 Initial revision claus parents: diff changeset	787	!
1cf8d1747859 Initial revision claus parents: diff changeset	788
1cf8d1747859 Initial revision claus parents: diff changeset	789	synchronizeOutput
1cf8d1747859 Initial revision claus parents: diff changeset	790	"wait until all sound has been played"
1cf8d1747859 Initial revision claus parents: diff changeset	791
1cf8d1747859 Initial revision claus parents: diff changeset	792	%{
36 d046fe84ea67 * empty log message * claus parents: 31 diff changeset	793	#ifdef IRIS_AUDIO
0 1cf8d1747859 Initial revision claus parents: diff changeset	794	ALport p;
1cf8d1747859 Initial revision claus parents: diff changeset	795
1cf8d1747859 Initial revision claus parents: diff changeset	796	if (_INST(filePointer) != nil) {
110 7af19ae8693b use new FILE* wrapper macros (based on externalAddress) Claus Gittinger <cg@exept.de> parents: 85 diff changeset	797	p = _ALportVal(_INST(filePointer));
45 6768d3213025 claus parents: 36 diff changeset	798	while (ALgetfilled(p) > 0) {
6768d3213025 claus parents: 36 diff changeset	799	sginap(1);
6768d3213025 claus parents: 36 diff changeset	800	}
0 1cf8d1747859 Initial revision claus parents: diff changeset	801	}
1cf8d1747859 Initial revision claus parents: diff changeset	802	#endif
1cf8d1747859 Initial revision claus parents: diff changeset	803	%}
1cf8d1747859 Initial revision claus parents: diff changeset	804	.
1cf8d1747859 Initial revision claus parents: diff changeset	805	OperatingSystem getOSType = 'irix' ifFalse:[
45 6768d3213025 claus parents: 36 diff changeset	806	"dont know how to wait"
0 1cf8d1747859 Initial revision claus parents: diff changeset	807	].
1cf8d1747859 Initial revision claus parents: diff changeset	808	^ self
1cf8d1747859 Initial revision claus parents: diff changeset	809	! !
1cf8d1747859 Initial revision claus parents: diff changeset	810
1cf8d1747859 Initial revision claus parents: diff changeset	811	!SoundStream methodsFor:'sine wave generation'!
1cf8d1747859 Initial revision claus parents: diff changeset	812
1cf8d1747859 Initial revision claus parents: diff changeset	813	tuneTone
15 62e2816c87ac * empty log message * claus parents: 11 diff changeset	814	\|buffer numSamples val scale\|
0 1cf8d1747859 Initial revision claus parents: diff changeset	815
1cf8d1747859 Initial revision claus parents: diff changeset	816	"allocate memory for 1sec playing time"
1cf8d1747859 Initial revision claus parents: diff changeset	817	numSamples := self sampleRate.
1cf8d1747859 Initial revision claus parents: diff changeset	818	buffer := ByteArray new:numSamples.
1cf8d1747859 Initial revision claus parents: diff changeset	819
1cf8d1747859 Initial revision claus parents: diff changeset	820	"fill it with a sine wave"
1cf8d1747859 Initial revision claus parents: diff changeset	821
15 62e2816c87ac * empty log message * claus parents: 11 diff changeset	822	scale := 440 * 2 * (Float pi).
0 1cf8d1747859 Initial revision claus parents: diff changeset	823	1 to:numSamples do:[:i \|
45 6768d3213025 claus parents: 36 diff changeset	824	val := (scale * i / numSamples) sin.
6768d3213025 claus parents: 36 diff changeset	825	val := (val * 127 + 128) rounded.
6768d3213025 claus parents: 36 diff changeset	826	buffer at:i put:val
0 1cf8d1747859 Initial revision claus parents: diff changeset	827	].
1cf8d1747859 Initial revision claus parents: diff changeset	828
15 62e2816c87ac * empty log message * claus parents: 11 diff changeset	829	buffer inspect.
62e2816c87ac * empty log message * claus parents: 11 diff changeset	830
0 1cf8d1747859 Initial revision claus parents: diff changeset	831	1 to:3 do:[:s \|
45 6768d3213025 claus parents: 36 diff changeset	832	self nextPutBytes:numSamples from:buffer
0 1cf8d1747859 Initial revision claus parents: diff changeset	833	]
1cf8d1747859 Initial revision claus parents: diff changeset	834
15 62e2816c87ac * empty log message * claus parents: 11 diff changeset	835	"SoundStream writing tuneTone"
0 1cf8d1747859 Initial revision claus parents: diff changeset	836	! !
121 606a3ccd3682 linux fixes (cut off when closing) Claus Gittinger <cg@exept.de> parents: 112 diff changeset	837

author	Claus Gittinger <cg@exept.de>
	Fri, 17 Nov 1995 17:54:08 +0100
changeset 121	606a3ccd3682
parent 112	3e18f2cfe430
child 152	89d93f115cb8
permissions	-rw-r--r--