summaryrefslogtreecommitdiff
path: root/audio_policy.c (plain)
blob: 0f623b08df0b51816745b00943635586878c5362
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "audio_policy_default"
18#define LOGFUNC(...) (LOGD(__VA_ARGS__))
19
20#include <errno.h>
21#include <stdint.h>
22#include <stdlib.h>
23#include <string.h>
24#include <cutils/log.h>
25
26#include <hardware/hardware.h>
27#include <system/audio.h>
28#include <system/audio_policy.h>
29#include <hardware/audio_policy.h>
30
31
32struct default_ap_module {
33 struct audio_policy_module module;
34};
35
36struct default_ap_device {
37 struct audio_policy_device device;
38};
39
40struct default_audio_policy {
41 struct audio_policy policy;
42
43 struct audio_policy_service_ops *aps_ops;
44 void *service;
45};
46
47static int ap_set_device_connection_state(struct audio_policy *pol,
48 audio_devices_t device,
49 audio_policy_dev_state_t state,
50 const char *device_address)
51{
52 LOGFUNC("%s", __FUNCTION__);
53
54 return -ENOSYS;
55}
56
57static audio_policy_dev_state_t ap_get_device_connection_state(
58 const struct audio_policy *pol,
59 audio_devices_t device,
60 const char *device_address)
61{
62 LOGFUNC("%s", __FUNCTION__);
63 return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
64}
65
66static void ap_set_phone_state(struct audio_policy *pol, int state)
67{
68 LOGFUNC("%s", __FUNCTION__);
69}
70
71static void ap_set_ringer_mode(struct audio_policy *pol, uint32_t mode,
72 uint32_t mask)
73{
74 LOGFUNC("%s", __FUNCTION__);
75}
76
77static void ap_set_force_use(struct audio_policy *pol,
78 audio_policy_force_use_t usage,
79 audio_policy_forced_cfg_t config)
80{
81 LOGFUNC("%s", __FUNCTION__);
82}
83
84 /* retreive current device category forced for a given usage */
85static audio_policy_forced_cfg_t ap_get_force_use(
86 const struct audio_policy *pol,
87 audio_policy_force_use_t usage)
88{
89 LOGFUNC("%s", __FUNCTION__);
90 return AUDIO_POLICY_FORCE_NONE;
91}
92
93/* if can_mute is true, then audio streams that are marked ENFORCED_AUDIBLE
94 * can still be muted. */
95static void ap_set_can_mute_enforced_audible(struct audio_policy *pol,
96 bool can_mute)
97{
98 LOGFUNC("%s", __FUNCTION__);
99}
100
101static int ap_init_check(const struct audio_policy *pol)
102{
103 LOGFUNC("%s", __FUNCTION__);
104 return 0;
105}
106
107static audio_io_handle_t ap_get_output(struct audio_policy *pol,
108 audio_stream_type_t stream,
109 uint32_t sampling_rate,
110 uint32_t format,
111 uint32_t channels,
112 audio_policy_output_flags_t flags)
113{
114 LOGFUNC("%s", __FUNCTION__);
115 return 0;
116}
117
118static int ap_start_output(struct audio_policy *pol, audio_io_handle_t output,
119 audio_stream_type_t stream, int session)
120{
121 LOGFUNC("%s", __FUNCTION__);
122 return -ENOSYS;
123}
124
125static int ap_stop_output(struct audio_policy *pol, audio_io_handle_t output,
126 audio_stream_type_t stream, int session)
127{
128 LOGFUNC("%s", __FUNCTION__);
129 return -ENOSYS;
130}
131
132static void ap_release_output(struct audio_policy *pol,
133 audio_io_handle_t output)
134{
135 LOGFUNC("%s", __FUNCTION__);
136}
137
138static audio_io_handle_t ap_get_input(struct audio_policy *pol, int inputSource,
139 uint32_t sampling_rate,
140 uint32_t format,
141 uint32_t channels,
142 audio_in_acoustics_t acoustics)
143{
144 LOGFUNC("%s", __FUNCTION__);
145 return 0;
146}
147
148static int ap_start_input(struct audio_policy *pol, audio_io_handle_t input)
149{
150 LOGFUNC("%s", __FUNCTION__);
151 return -ENOSYS;
152}
153
154static int ap_stop_input(struct audio_policy *pol, audio_io_handle_t input)
155{
156 LOGFUNC("%s", __FUNCTION__);
157 return -ENOSYS;
158}
159
160static void ap_release_input(struct audio_policy *pol, audio_io_handle_t input)
161{
162 LOGFUNC("%s", __FUNCTION__);
163}
164
165static void ap_init_stream_volume(struct audio_policy *pol,
166 audio_stream_type_t stream, int index_min,
167 int index_max)
168{
169 LOGFUNC("%s", __FUNCTION__);
170}
171
172static int ap_set_stream_volume_index(struct audio_policy *pol,
173 audio_stream_type_t stream,
174 int index)
175{
176 LOGFUNC("%s", __FUNCTION__);
177 return -ENOSYS;
178}
179
180static int ap_get_stream_volume_index(const struct audio_policy *pol,
181 audio_stream_type_t stream,
182 int *index)
183{
184 LOGFUNC("%s", __FUNCTION__);
185 return -ENOSYS;
186}
187
188static uint32_t ap_get_strategy_for_stream(const struct audio_policy *pol,
189 audio_stream_type_t stream)
190{
191 LOGFUNC("%s", __FUNCTION__);
192 return 0;
193}
194
195static uint32_t ap_get_devices_for_stream(const struct audio_policy *pol,
196 audio_stream_type_t stream)
197{
198 LOGFUNC("%s", __FUNCTION__);
199 return 0;
200}
201
202static audio_io_handle_t ap_get_output_for_effect(struct audio_policy *pol,
203 struct effect_descriptor_s *desc)
204{
205 LOGFUNC("%s", __FUNCTION__);
206 return 0;
207}
208
209static int ap_register_effect(struct audio_policy *pol,
210 struct effect_descriptor_s *desc,
211 audio_io_handle_t output,
212 uint32_t strategy,
213 int session,
214 int id)
215{
216 LOGFUNC("%s", __FUNCTION__);
217 return -ENOSYS;
218}
219
220static int ap_unregister_effect(struct audio_policy *pol, int id)
221{
222 LOGFUNC("%s", __FUNCTION__);
223 return -ENOSYS;
224}
225
226static int ap_set_effect_enabled(struct audio_policy *pol, int id, bool enabled)
227{
228 LOGFUNC("%s", __FUNCTION__);
229 return -ENOSYS;
230}
231
232static bool ap_is_stream_active(const struct audio_policy *pol, int stream,
233 uint32_t in_past_ms)
234{
235 LOGFUNC("%s", __FUNCTION__);
236 return false;
237}
238
239static int ap_dump(const struct audio_policy *pol, int fd)
240{
241 LOGFUNC("%s", __FUNCTION__);
242 return -ENOSYS;
243}
244
245static int create_default_ap(const struct audio_policy_device *device,
246 struct audio_policy_service_ops *aps_ops,
247 void *service,
248 struct audio_policy **ap)
249{
250 struct default_ap_device *dev;
251 struct default_audio_policy *dap;
252 int ret;
253 LOGFUNC("%s", __FUNCTION__);
254
255 *ap = NULL;
256
257 if (!service || !aps_ops)
258 return -EINVAL;
259
260 dap = (struct default_audio_policy *)calloc(1, sizeof(*dap));
261 if (!dap)
262 return -ENOMEM;
263
264 dap->policy.set_device_connection_state = ap_set_device_connection_state;
265 dap->policy.get_device_connection_state = ap_get_device_connection_state;
266 dap->policy.set_phone_state = ap_set_phone_state;
267 dap->policy.set_ringer_mode = ap_set_ringer_mode;
268 dap->policy.set_force_use = ap_set_force_use;
269 dap->policy.get_force_use = ap_get_force_use;
270 dap->policy.set_can_mute_enforced_audible =
271 ap_set_can_mute_enforced_audible;
272 dap->policy.init_check = ap_init_check;
273 dap->policy.get_output = ap_get_output;
274 dap->policy.start_output = ap_start_output;
275 dap->policy.stop_output = ap_stop_output;
276 dap->policy.release_output = ap_release_output;
277 dap->policy.get_input = ap_get_input;
278 dap->policy.start_input = ap_start_input;
279 dap->policy.stop_input = ap_stop_input;
280 dap->policy.release_input = ap_release_input;
281 dap->policy.init_stream_volume = ap_init_stream_volume;
282 dap->policy.set_stream_volume_index = ap_set_stream_volume_index;
283 dap->policy.get_stream_volume_index = ap_get_stream_volume_index;
284 dap->policy.get_strategy_for_stream = ap_get_strategy_for_stream;
285 dap->policy.get_devices_for_stream = ap_get_devices_for_stream;
286 dap->policy.get_output_for_effect = ap_get_output_for_effect;
287 dap->policy.register_effect = ap_register_effect;
288 dap->policy.unregister_effect = ap_unregister_effect;
289 dap->policy.set_effect_enabled = ap_set_effect_enabled;
290 dap->policy.is_stream_active = ap_is_stream_active;
291 dap->policy.dump = ap_dump;
292
293 dap->service = service;
294 dap->aps_ops = aps_ops;
295
296 *ap = &dap->policy;
297 return 0;
298}
299
300static int destroy_default_ap(const struct audio_policy_device *ap_dev,
301 struct audio_policy *ap)
302{
303 LOGFUNC("%s", __FUNCTION__);
304 free(ap);
305 return 0;
306}
307
308static int default_ap_dev_close(hw_device_t* device)
309{
310 LOGFUNC("%s", __FUNCTION__);
311 free(device);
312 return 0;
313}
314
315static int default_ap_dev_open(const hw_module_t* module, const char* name,
316 hw_device_t** device)
317{
318 struct default_ap_device *dev;
319 LOGFUNC("%s", __FUNCTION__);
320
321 *device = NULL;
322
323 if (strcmp(name, AUDIO_POLICY_INTERFACE) != 0)
324 return -EINVAL;
325
326 dev = (struct default_ap_device *)calloc(1, sizeof(*dev));
327 if (!dev)
328 return -ENOMEM;
329
330 dev->device.common.tag = HARDWARE_DEVICE_TAG;
331 dev->device.common.version = 0;
332 dev->device.common.module = (hw_module_t *)module;
333 dev->device.common.close = default_ap_dev_close;
334 dev->device.create_audio_policy = create_default_ap;
335 dev->device.destroy_audio_policy = destroy_default_ap;
336
337 *device = &dev->device.common;
338
339 return 0;
340}
341
342static struct hw_module_methods_t default_ap_module_methods = {
343 .open = default_ap_dev_open,
344};
345
346struct default_ap_module HAL_MODULE_INFO_SYM = {
347 .module = {
348 .common = {
349 .tag = HARDWARE_MODULE_TAG,
350 .version_major = 1,
351 .version_minor = 0,
352 .id = AUDIO_POLICY_HARDWARE_MODULE_ID,
353 .name = "Aml-Test audio policy HAL",
354 .author = "The Android Open Source Project",
355 .methods = &default_ap_module_methods,
356 },
357 },
358};
359
generated by cgit at 2024-04-29 18:06:16 (GMT)