1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "APM::IOProfile"
//#define LOG_NDEBUG 0
#include "IOProfile.h"
#include "HwModule.h"
#include "AudioGain.h"
namespace android {
IOProfile::IOProfile(const String8& name, audio_port_role_t role)
: AudioPort(name, AUDIO_PORT_TYPE_MIX, role)
{
}
IOProfile::~IOProfile()
{
}
// checks if the IO profile is compatible with specified parameters.
// Sampling rate, format and channel mask must be specified in order to
// get a valid a match
bool IOProfile::isCompatibleProfile(audio_devices_t device,
String8 address,
uint32_t samplingRate,
uint32_t *updatedSamplingRate,
audio_format_t format,
audio_format_t *updatedFormat,
audio_channel_mask_t channelMask,
audio_channel_mask_t *updatedChannelMask,
uint32_t flags) const
{
const bool isPlaybackThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SOURCE;
const bool isRecordThread = mType == AUDIO_PORT_TYPE_MIX && mRole == AUDIO_PORT_ROLE_SINK;
ALOG_ASSERT(isPlaybackThread != isRecordThread);
if (device != AUDIO_DEVICE_NONE) {
// just check types if multiple devices are selected
if (popcount(device & ~AUDIO_DEVICE_BIT_IN) > 1) {
if ((mSupportedDevices.types() & device) != device) {
return false;
}
} else if (mSupportedDevices.getDevice(device, address) == 0) {
return false;
}
}
if (samplingRate == 0) {
return false;
}
uint32_t myUpdatedSamplingRate = samplingRate;
if (isPlaybackThread && checkExactSamplingRate(samplingRate) != NO_ERROR) {
return false;
}
if (isRecordThread && checkCompatibleSamplingRate(samplingRate, &myUpdatedSamplingRate) !=
NO_ERROR) {
return false;
}
if (!audio_is_valid_format(format)) {
return false;
}
if (isPlaybackThread && checkExactFormat(format) != NO_ERROR) {
return false;
}
audio_format_t myUpdatedFormat = format;
if (isRecordThread && checkCompatibleFormat(format, &myUpdatedFormat) != NO_ERROR) {
return false;
}
if (isPlaybackThread && (!audio_is_output_channel(channelMask) ||
checkExactChannelMask(channelMask) != NO_ERROR)) {
return false;
}
audio_channel_mask_t myUpdatedChannelMask = channelMask;
if (isRecordThread && (!audio_is_input_channel(channelMask) ||
checkCompatibleChannelMask(channelMask, &myUpdatedChannelMask) != NO_ERROR)) {
return false;
}
if (isPlaybackThread && (mFlags & flags) != flags) {
return false;
}
// The only input flag that is allowed to be different is the fast flag.
// An existing fast stream is compatible with a normal track request.
// An existing normal stream is compatible with a fast track request,
// but the fast request will be denied by AudioFlinger and converted to normal track.
if (isRecordThread && ((mFlags ^ flags) &
~AUDIO_INPUT_FLAG_FAST)) {
return false;
}
if (updatedSamplingRate != NULL) {
*updatedSamplingRate = myUpdatedSamplingRate;
}
if (updatedFormat != NULL) {
*updatedFormat = myUpdatedFormat;
}
if (updatedChannelMask != NULL) {
*updatedChannelMask = myUpdatedChannelMask;
}
return true;
}
void IOProfile::dump(int fd)
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
AudioPort::dump(fd, 4);
snprintf(buffer, SIZE, " - flags: 0x%04x\n", mFlags);
result.append(buffer);
snprintf(buffer, SIZE, " - devices:\n");
result.append(buffer);
write(fd, result.string(), result.size());
for (size_t i = 0; i < mSupportedDevices.size(); i++) {
mSupportedDevices[i]->dump(fd, 6, i);
}
}
void IOProfile::log()
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
ALOGV(" - sampling rates: ");
for (size_t i = 0; i < mSamplingRates.size(); i++) {
ALOGV(" %d", mSamplingRates[i]);
}
ALOGV(" - channel masks: ");
for (size_t i = 0; i < mChannelMasks.size(); i++) {
ALOGV(" 0x%04x", mChannelMasks[i]);
}
ALOGV(" - formats: ");
for (size_t i = 0; i < mFormats.size(); i++) {
ALOGV(" 0x%08x", mFormats[i]);
}
ALOGV(" - devices: 0x%04x\n", mSupportedDevices.types());
ALOGV(" - flags: 0x%04x\n", mFlags);
}
}; // namespace android
|
