TypeConverter.cpp revision fdb3c07db5d44535eb8c3ec46dc78ad8446c01eb 
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#include "TypeConverter.h"
18
19namespace android {
20
21#define MAKE_STRING_FROM_ENUM(string) { #string, string }
22
23template <>
24const DeviceConverter::Table DeviceConverter::mTable[] = {
25        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_EARPIECE),
26        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_SPEAKER),
27        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_SPEAKER_SAFE),
28        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADSET),
29        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADPHONE),
30        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO),
31        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET),
32        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
33        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ALL_SCO),
34        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP),
35        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES),
36        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
37        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ALL_A2DP),
38        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_AUX_DIGITAL),
39        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_HDMI),
40        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET),
41        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET),
42        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_USB_ACCESSORY),
43        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_USB_DEVICE),
44        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_ALL_USB),
45        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_REMOTE_SUBMIX),
46        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_TELEPHONY_TX),
47        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_LINE),
48        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_HDMI_ARC),
49        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_SPDIF),
50        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_FM),
51        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_AUX_LINE),
52        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_OUT_IP),
53        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AMBIENT),
54        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
55        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
56        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ALL_SCO),
57        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET),
58        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL),
59        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_HDMI),
60        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX),
61        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_VOICE_CALL),
62        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BACK_MIC),
63        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX),
64        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET),
65        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
66        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY),
67        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_DEVICE),
68        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_FM_TUNER),
69        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TV_TUNER),
70        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LINE),
71        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_SPDIF),
72        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP),
73        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LOOPBACK),
74        MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_IP),
75};
76
77template<>
78const size_t DeviceConverter::mSize = sizeof(DeviceConverter::mTable) /
79        sizeof(DeviceConverter::mTable[0]);
80
81
82template <>
83const OutputFlagConverter::Table OutputFlagConverter::mTable[] = {
84    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_DIRECT),
85    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_PRIMARY),
86    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_FAST),
87    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_DEEP_BUFFER),
88    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD),
89    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_NON_BLOCKING),
90    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_HW_AV_SYNC),
91    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_TTS),
92    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_RAW),
93    MAKE_STRING_FROM_ENUM(AUDIO_OUTPUT_FLAG_SYNC),
94};
95template<>
96const size_t OutputFlagConverter::mSize = sizeof(OutputFlagConverter::mTable) /
97        sizeof(OutputFlagConverter::mTable[0]);
98
99
100template <>
101const InputFlagConverter::Table InputFlagConverter::mTable[] = {
102    MAKE_STRING_FROM_ENUM(AUDIO_INPUT_FLAG_FAST),
103    MAKE_STRING_FROM_ENUM(AUDIO_INPUT_FLAG_HW_HOTWORD),
104    MAKE_STRING_FROM_ENUM(AUDIO_INPUT_FLAG_RAW),
105    MAKE_STRING_FROM_ENUM(AUDIO_INPUT_FLAG_SYNC),
106};
107template<>
108const size_t InputFlagConverter::mSize = sizeof(InputFlagConverter::mTable) /
109        sizeof(InputFlagConverter::mTable[0]);
110
111
112template <>
113const FormatConverter::Table FormatConverter::mTable[] = {
114    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_PCM_16_BIT),
115    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_PCM_8_BIT),
116    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_PCM_32_BIT),
117    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_PCM_8_24_BIT),
118    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_PCM_FLOAT),
119    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_PCM_24_BIT_PACKED),
120    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_MP3),
121    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC),
122    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_MAIN),
123    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_LC),
124    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_SSR),
125    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_LTP),
126    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_HE_V1),
127    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_SCALABLE),
128    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_ERLC),
129    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_LD),
130    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_HE_V2),
131    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AAC_ELD),
132    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_VORBIS),
133    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_HE_AAC_V1),
134    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_HE_AAC_V2),
135    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_OPUS),
136    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_AC3),
137    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_E_AC3),
138    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_DTS),
139    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_DTS_HD),
140    MAKE_STRING_FROM_ENUM(AUDIO_FORMAT_IEC61937),
141};
142template<>
143const size_t FormatConverter::mSize = sizeof(FormatConverter::mTable) /
144        sizeof(FormatConverter::mTable[0]);
145
146
147template <>
148const OutputChannelConverter::Table OutputChannelConverter::mTable[] = {
149    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_OUT_MONO),
150    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_OUT_STEREO),
151    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_OUT_QUAD),
152    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_OUT_5POINT1),
153    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_OUT_7POINT1),
154};
155template<>
156const size_t OutputChannelConverter::mSize = sizeof(OutputChannelConverter::mTable) /
157        sizeof(OutputChannelConverter::mTable[0]);
158
159
160template <>
161const InputChannelConverter::Table InputChannelConverter::mTable[] = {
162    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_IN_MONO),
163    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_IN_STEREO),
164    MAKE_STRING_FROM_ENUM(AUDIO_CHANNEL_IN_FRONT_BACK),
165};
166template<>
167const size_t InputChannelConverter::mSize = sizeof(InputChannelConverter::mTable) /
168        sizeof(InputChannelConverter::mTable[0]);
169
170template <>
171const ChannelIndexConverter::Table ChannelIndexConverter::mTable[] = {
172    {"AUDIO_CHANNEL_INDEX_MASK_1", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_1)},
173    {"AUDIO_CHANNEL_INDEX_MASK_2", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_2)},
174    {"AUDIO_CHANNEL_INDEX_MASK_3", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_3)},
175    {"AUDIO_CHANNEL_INDEX_MASK_4", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_4)},
176    {"AUDIO_CHANNEL_INDEX_MASK_5", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_5)},
177    {"AUDIO_CHANNEL_INDEX_MASK_6", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_6)},
178    {"AUDIO_CHANNEL_INDEX_MASK_7", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_7)},
179    {"AUDIO_CHANNEL_INDEX_MASK_8", static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_INDEX_MASK_8)},
180};
181template<>
182const size_t ChannelIndexConverter::mSize = sizeof(ChannelIndexConverter::mTable) /
183        sizeof(ChannelIndexConverter::mTable[0]);
184
185
186template <>
187const GainModeConverter::Table GainModeConverter::mTable[] = {
188    MAKE_STRING_FROM_ENUM(AUDIO_GAIN_MODE_JOINT),
189    MAKE_STRING_FROM_ENUM(AUDIO_GAIN_MODE_CHANNELS),
190    MAKE_STRING_FROM_ENUM(AUDIO_GAIN_MODE_RAMP),
191};
192
193template<>
194const size_t GainModeConverter::mSize = sizeof(GainModeConverter::mTable) /
195        sizeof(GainModeConverter::mTable[0]);
196
197template <>
198const DeviceCategoryConverter::Table DeviceCategoryConverter::mTable[] = {
199    MAKE_STRING_FROM_ENUM(DEVICE_CATEGORY_HEADSET),
200    MAKE_STRING_FROM_ENUM(DEVICE_CATEGORY_SPEAKER),
201    MAKE_STRING_FROM_ENUM(DEVICE_CATEGORY_EARPIECE),
202    MAKE_STRING_FROM_ENUM(DEVICE_CATEGORY_EXT_MEDIA)
203};
204
205template<>
206const size_t DeviceCategoryConverter::mSize = sizeof(DeviceCategoryConverter::mTable) /
207        sizeof(DeviceCategoryConverter::mTable[0]);
208
209template <>
210const StreamTypeConverter::Table StreamTypeConverter::mTable[] = {
211    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_VOICE_CALL),
212    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_SYSTEM),
213    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_RING),
214    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_MUSIC),
215    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_ALARM),
216    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_NOTIFICATION),
217    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_BLUETOOTH_SCO ),
218    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_ENFORCED_AUDIBLE),
219    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_DTMF),
220    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_TTS),
221    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_ACCESSIBILITY),
222    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_REROUTING),
223    MAKE_STRING_FROM_ENUM(AUDIO_STREAM_PATCH),
224};
225
226template<>
227const size_t StreamTypeConverter::mSize = sizeof(StreamTypeConverter::mTable) /
228        sizeof(StreamTypeConverter::mTable[0]);
229
230template <class Traits>
231bool TypeConverter<Traits>::toString(const typename Traits::Type &value, std::string &str)
232{
233    for (size_t i = 0; i < mSize; i++) {
234        if (mTable[i].value == value) {
235            str = mTable[i].literal;
236            return true;
237        }
238    }
239    return false;
240}
241
242template <class Traits>
243bool TypeConverter<Traits>::fromString(const std::string &str, typename Traits::Type &result)
244{
245    for (size_t i = 0; i < mSize; i++) {
246        if (strcmp(mTable[i].literal, str.c_str()) == 0) {
247            ALOGV("stringToEnum() found %s", mTable[i].literal);
248            result = mTable[i].value;
249            return true;
250        }
251    }
252    return false;
253}
254
255template <class Traits>
256void TypeConverter<Traits>::collectionFromString(const std::string &str,
257                                                 typename Traits::Collection &collection,
258                                                 const char *del)
259{
260    char *literal = strdup(str.c_str());
261
262    for (const char *cstr = strtok(literal, del); cstr != NULL; cstr = strtok(NULL, del)) {
263        typename Traits::Type value;
264        if (fromString(cstr, value)) {
265            collection.add(value);
266        }
267    }
268    free(literal);
269}
270
271template <class Traits>
272uint32_t TypeConverter<Traits>::maskFromString(const std::string &str, const char *del)
273{
274    char *literal = strdup(str.c_str());
275    uint32_t value = 0;
276    for (const char *cstr = strtok(literal, del); cstr != NULL; cstr = strtok(NULL, del)) {
277        typename Traits::Type type;
278        if (fromString(cstr, type)) {
279            value |= static_cast<uint32_t>(type);
280        }
281    }
282    free(literal);
283    return value;
284}
285
286template class TypeConverter<DeviceTraits>;
287template class TypeConverter<OutputFlagTraits>;
288template class TypeConverter<InputFlagTraits>;
289template class TypeConverter<FormatTraits>;
290template class TypeConverter<OutputChannelTraits>;
291template class TypeConverter<InputChannelTraits>;
292template class TypeConverter<ChannelIndexTraits>;
293template class TypeConverter<GainModeTraits>;
294template class TypeConverter<StreamTraits>;
295template class TypeConverter<DeviceCategoryTraits>;
296
297}; // namespace android
298
299