ia64/xen-unstable

view tools/ioemu/audio/mixeng.c @ 15841:c5f735271e22

[IA64] Foreign p2m: Fix vti domain builder.

It should set arch_domain::convmem_end.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Alex Williamson <alex.williamson@hp.com>
date Thu Sep 06 13:48:43 2007 -0600 (2007-09-06)
parents b450f21472a0
children f7b43e5c42b9 04cc0e22a20a
line source
1 /*
2 * QEMU Mixing engine
3 *
4 * Copyright (c) 2004-2005 Vassili Karpov (malc)
5 * Copyright (c) 1998 Fabrice Bellard
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25 #include "vl.h"
27 #define AUDIO_CAP "mixeng"
28 #include "audio_int.h"
30 #define NOVOL
32 /* 8 bit */
33 #define ENDIAN_CONVERSION natural
34 #define ENDIAN_CONVERT(v) (v)
36 /* Signed 8 bit */
37 #define IN_T int8_t
38 #define IN_MIN SCHAR_MIN
39 #define IN_MAX SCHAR_MAX
40 #define SIGNED
41 #define SHIFT 8
42 #include "mixeng_template.h"
43 #undef SIGNED
44 #undef IN_MAX
45 #undef IN_MIN
46 #undef IN_T
47 #undef SHIFT
49 /* Unsigned 8 bit */
50 #define IN_T uint8_t
51 #define IN_MIN 0
52 #define IN_MAX UCHAR_MAX
53 #define SHIFT 8
54 #include "mixeng_template.h"
55 #undef IN_MAX
56 #undef IN_MIN
57 #undef IN_T
58 #undef SHIFT
60 #undef ENDIAN_CONVERT
61 #undef ENDIAN_CONVERSION
63 /* Signed 16 bit */
64 #define IN_T int16_t
65 #define IN_MIN SHRT_MIN
66 #define IN_MAX SHRT_MAX
67 #define SIGNED
68 #define SHIFT 16
69 #define ENDIAN_CONVERSION natural
70 #define ENDIAN_CONVERT(v) (v)
71 #include "mixeng_template.h"
72 #undef ENDIAN_CONVERT
73 #undef ENDIAN_CONVERSION
74 #define ENDIAN_CONVERSION swap
75 #define ENDIAN_CONVERT(v) bswap16 (v)
76 #include "mixeng_template.h"
77 #undef ENDIAN_CONVERT
78 #undef ENDIAN_CONVERSION
79 #undef SIGNED
80 #undef IN_MAX
81 #undef IN_MIN
82 #undef IN_T
83 #undef SHIFT
85 #define IN_T uint16_t
86 #define IN_MIN 0
87 #define IN_MAX USHRT_MAX
88 #define SHIFT 16
89 #define ENDIAN_CONVERSION natural
90 #define ENDIAN_CONVERT(v) (v)
91 #include "mixeng_template.h"
92 #undef ENDIAN_CONVERT
93 #undef ENDIAN_CONVERSION
94 #define ENDIAN_CONVERSION swap
95 #define ENDIAN_CONVERT(v) bswap16 (v)
96 #include "mixeng_template.h"
97 #undef ENDIAN_CONVERT
98 #undef ENDIAN_CONVERSION
99 #undef IN_MAX
100 #undef IN_MIN
101 #undef IN_T
102 #undef SHIFT
104 t_sample *mixeng_conv[2][2][2][2] = {
105 {
106 {
107 {
108 conv_natural_uint8_t_to_mono,
109 conv_natural_uint16_t_to_mono
110 },
111 {
112 conv_natural_uint8_t_to_mono,
113 conv_swap_uint16_t_to_mono
114 }
115 },
116 {
117 {
118 conv_natural_int8_t_to_mono,
119 conv_natural_int16_t_to_mono
120 },
121 {
122 conv_natural_int8_t_to_mono,
123 conv_swap_int16_t_to_mono
124 }
125 }
126 },
127 {
128 {
129 {
130 conv_natural_uint8_t_to_stereo,
131 conv_natural_uint16_t_to_stereo
132 },
133 {
134 conv_natural_uint8_t_to_stereo,
135 conv_swap_uint16_t_to_stereo
136 }
137 },
138 {
139 {
140 conv_natural_int8_t_to_stereo,
141 conv_natural_int16_t_to_stereo
142 },
143 {
144 conv_natural_int8_t_to_stereo,
145 conv_swap_int16_t_to_stereo
146 }
147 }
148 }
149 };
151 f_sample *mixeng_clip[2][2][2][2] = {
152 {
153 {
154 {
155 clip_natural_uint8_t_from_mono,
156 clip_natural_uint16_t_from_mono
157 },
158 {
159 clip_natural_uint8_t_from_mono,
160 clip_swap_uint16_t_from_mono
161 }
162 },
163 {
164 {
165 clip_natural_int8_t_from_mono,
166 clip_natural_int16_t_from_mono
167 },
168 {
169 clip_natural_int8_t_from_mono,
170 clip_swap_int16_t_from_mono
171 }
172 }
173 },
174 {
175 {
176 {
177 clip_natural_uint8_t_from_stereo,
178 clip_natural_uint16_t_from_stereo
179 },
180 {
181 clip_natural_uint8_t_from_stereo,
182 clip_swap_uint16_t_from_stereo
183 }
184 },
185 {
186 {
187 clip_natural_int8_t_from_stereo,
188 clip_natural_int16_t_from_stereo
189 },
190 {
191 clip_natural_int8_t_from_stereo,
192 clip_swap_int16_t_from_stereo
193 }
194 }
195 }
196 };
198 /*
199 * August 21, 1998
200 * Copyright 1998 Fabrice Bellard.
201 *
202 * [Rewrote completly the code of Lance Norskog And Sundry
203 * Contributors with a more efficient algorithm.]
204 *
205 * This source code is freely redistributable and may be used for
206 * any purpose. This copyright notice must be maintained.
207 * Lance Norskog And Sundry Contributors are not responsible for
208 * the consequences of using this software.
209 */
211 /*
212 * Sound Tools rate change effect file.
213 */
214 /*
215 * Linear Interpolation.
216 *
217 * The use of fractional increment allows us to use no buffer. It
218 * avoid the problems at the end of the buffer we had with the old
219 * method which stored a possibly big buffer of size
220 * lcm(in_rate,out_rate).
221 *
222 * Limited to 16 bit samples and sampling frequency <= 65535 Hz. If
223 * the input & output frequencies are equal, a delay of one sample is
224 * introduced. Limited to processing 32-bit count worth of samples.
225 *
226 * 1 << FRAC_BITS evaluating to zero in several places. Changed with
227 * an (unsigned long) cast to make it safe. MarkMLl 2/1/99
228 */
230 /* Private data */
231 struct rate {
232 uint64_t opos;
233 uint64_t opos_inc;
234 uint32_t ipos; /* position in the input stream (integer) */
235 st_sample_t ilast; /* last sample in the input stream */
236 };
238 /*
239 * Prepare processing.
240 */
241 void *st_rate_start (int inrate, int outrate)
242 {
243 struct rate *rate = audio_calloc (AUDIO_FUNC, 1, sizeof (*rate));
245 if (!rate) {
246 dolog ("Could not allocate resampler (%zu bytes)\n", sizeof (*rate));
247 return NULL;
248 }
250 rate->opos = 0;
252 /* increment */
253 rate->opos_inc = ((uint64_t) inrate << 32) / outrate;
255 rate->ipos = 0;
256 rate->ilast.l = 0;
257 rate->ilast.r = 0;
258 return rate;
259 }
261 #define NAME st_rate_flow_mix
262 #define OP(a, b) a += b
263 #include "rate_template.h"
265 #define NAME st_rate_flow
266 #define OP(a, b) a = b
267 #include "rate_template.h"
269 void st_rate_stop (void *opaque)
270 {
271 qemu_free (opaque);
272 }
274 void mixeng_clear (st_sample_t *buf, int len)
275 {
276 memset (buf, 0, len * sizeof (st_sample_t));
277 }