1 /*
2 * Copyright (C) 2015 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 "APM::EffectDescriptor"
18 //#define LOG_NDEBUG 0
19
20 #include "EffectDescriptor.h"
21 #include <utils/String8.h>
22
23 namespace android {
24
dump(int fd)25 status_t EffectDescriptor::dump(int fd)
26 {
27 const size_t SIZE = 256;
28 char buffer[SIZE];
29 String8 result;
30
31 snprintf(buffer, SIZE, " I/O: %d\n", mIo);
32 result.append(buffer);
33 snprintf(buffer, SIZE, " Strategy: %d\n", mStrategy);
34 result.append(buffer);
35 snprintf(buffer, SIZE, " Session: %d\n", mSession);
36 result.append(buffer);
37 snprintf(buffer, SIZE, " Name: %s\n", mDesc.name);
38 result.append(buffer);
39 snprintf(buffer, SIZE, " %s\n", mEnabled ? "Enabled" : "Disabled");
40 result.append(buffer);
41 write(fd, result.string(), result.size());
42
43 return NO_ERROR;
44 }
45
EffectDescriptorCollection()46 EffectDescriptorCollection::EffectDescriptorCollection() :
47 mTotalEffectsCpuLoad(0),
48 mTotalEffectsMemory(0),
49 mTotalEffectsMemoryMaxUsed(0)
50 {
51
52 }
53
registerEffect(const effect_descriptor_t * desc,audio_io_handle_t io,uint32_t strategy,int session,int id)54 status_t EffectDescriptorCollection::registerEffect(const effect_descriptor_t *desc,
55 audio_io_handle_t io,
56 uint32_t strategy,
57 int session,
58 int id)
59 {
60 if (mTotalEffectsMemory + desc->memoryUsage > getMaxEffectsMemory()) {
61 ALOGW("registerEffect() memory limit exceeded for Fx %s, Memory %d KB",
62 desc->name, desc->memoryUsage);
63 return INVALID_OPERATION;
64 }
65 mTotalEffectsMemory += desc->memoryUsage;
66 if (mTotalEffectsMemory > mTotalEffectsMemoryMaxUsed) {
67 mTotalEffectsMemoryMaxUsed = mTotalEffectsMemory;
68 }
69 ALOGV("registerEffect() effect %s, io %d, strategy %d session %d id %d",
70 desc->name, io, strategy, session, id);
71 ALOGV("registerEffect() memory %d, total memory %d", desc->memoryUsage, mTotalEffectsMemory);
72
73 sp<EffectDescriptor> effectDesc = new EffectDescriptor();
74 memcpy (&effectDesc->mDesc, desc, sizeof(effect_descriptor_t));
75 effectDesc->mIo = io;
76 effectDesc->mStrategy = static_cast<routing_strategy>(strategy);
77 effectDesc->mSession = session;
78 effectDesc->mEnabled = false;
79
80 add(id, effectDesc);
81
82 return NO_ERROR;
83 }
84
unregisterEffect(int id)85 status_t EffectDescriptorCollection::unregisterEffect(int id)
86 {
87 ssize_t index = indexOfKey(id);
88 if (index < 0) {
89 ALOGW("unregisterEffect() unknown effect ID %d", id);
90 return INVALID_OPERATION;
91 }
92
93 sp<EffectDescriptor> effectDesc = valueAt(index);
94
95 setEffectEnabled(effectDesc, false);
96
97 if (mTotalEffectsMemory < effectDesc->mDesc.memoryUsage) {
98 ALOGW("unregisterEffect() memory %d too big for total %d",
99 effectDesc->mDesc.memoryUsage, mTotalEffectsMemory);
100 effectDesc->mDesc.memoryUsage = mTotalEffectsMemory;
101 }
102 mTotalEffectsMemory -= effectDesc->mDesc.memoryUsage;
103 ALOGV("unregisterEffect() effect %s, ID %d, memory %d total memory %d",
104 effectDesc->mDesc.name, id, effectDesc->mDesc.memoryUsage, mTotalEffectsMemory);
105
106 removeItem(id);
107
108 return NO_ERROR;
109 }
110
setEffectEnabled(int id,bool enabled)111 status_t EffectDescriptorCollection::setEffectEnabled(int id, bool enabled)
112 {
113 ssize_t index = indexOfKey(id);
114 if (index < 0) {
115 ALOGW("unregisterEffect() unknown effect ID %d", id);
116 return INVALID_OPERATION;
117 }
118
119 return setEffectEnabled(valueAt(index), enabled);
120 }
121
122
setEffectEnabled(const sp<EffectDescriptor> & effectDesc,bool enabled)123 status_t EffectDescriptorCollection::setEffectEnabled(const sp<EffectDescriptor> &effectDesc,
124 bool enabled)
125 {
126 if (enabled == effectDesc->mEnabled) {
127 ALOGV("setEffectEnabled(%s) effect already %s",
128 enabled?"true":"false", enabled?"enabled":"disabled");
129 return INVALID_OPERATION;
130 }
131
132 if (enabled) {
133 if (mTotalEffectsCpuLoad + effectDesc->mDesc.cpuLoad > getMaxEffectsCpuLoad()) {
134 ALOGW("setEffectEnabled(true) CPU Load limit exceeded for Fx %s, CPU %f MIPS",
135 effectDesc->mDesc.name, (float)effectDesc->mDesc.cpuLoad/10);
136 return INVALID_OPERATION;
137 }
138 mTotalEffectsCpuLoad += effectDesc->mDesc.cpuLoad;
139 ALOGV("setEffectEnabled(true) total CPU %d", mTotalEffectsCpuLoad);
140 } else {
141 if (mTotalEffectsCpuLoad < effectDesc->mDesc.cpuLoad) {
142 ALOGW("setEffectEnabled(false) CPU load %d too high for total %d",
143 effectDesc->mDesc.cpuLoad, mTotalEffectsCpuLoad);
144 effectDesc->mDesc.cpuLoad = mTotalEffectsCpuLoad;
145 }
146 mTotalEffectsCpuLoad -= effectDesc->mDesc.cpuLoad;
147 ALOGV("setEffectEnabled(false) total CPU %d", mTotalEffectsCpuLoad);
148 }
149 effectDesc->mEnabled = enabled;
150 return NO_ERROR;
151 }
152
isNonOffloadableEffectEnabled()153 bool EffectDescriptorCollection::isNonOffloadableEffectEnabled()
154 {
155 for (size_t i = 0; i < size(); i++) {
156 sp<EffectDescriptor> effectDesc = valueAt(i);
157 if (effectDesc->mEnabled && (effectDesc->mStrategy == STRATEGY_MEDIA) &&
158 ((effectDesc->mDesc.flags & EFFECT_FLAG_OFFLOAD_SUPPORTED) == 0)) {
159 ALOGV("isNonOffloadableEffectEnabled() non offloadable effect %s enabled on session %d",
160 effectDesc->mDesc.name, effectDesc->mSession);
161 return true;
162 }
163 }
164 return false;
165 }
166
getMaxEffectsCpuLoad() const167 uint32_t EffectDescriptorCollection::getMaxEffectsCpuLoad() const
168 {
169 return MAX_EFFECTS_CPU_LOAD;
170 }
171
getMaxEffectsMemory() const172 uint32_t EffectDescriptorCollection::getMaxEffectsMemory() const
173 {
174 return MAX_EFFECTS_MEMORY;
175 }
176
dump(int fd)177 status_t EffectDescriptorCollection::dump(int fd)
178 {
179 const size_t SIZE = 256;
180 char buffer[SIZE];
181
182 snprintf(buffer, SIZE,
183 "\nTotal Effects CPU: %f MIPS, Total Effects memory: %d KB, Max memory used: %d KB\n",
184 (float)mTotalEffectsCpuLoad/10, mTotalEffectsMemory, mTotalEffectsMemoryMaxUsed);
185 write(fd, buffer, strlen(buffer));
186
187 snprintf(buffer, SIZE, "Registered effects:\n");
188 write(fd, buffer, strlen(buffer));
189 for (size_t i = 0; i < size(); i++) {
190 snprintf(buffer, SIZE, "- Effect %d dump:\n", keyAt(i));
191 write(fd, buffer, strlen(buffer));
192 valueAt(i)->dump(fd);
193 }
194 return NO_ERROR;
195 }
196
197 }; //namespace android
198