test_create_audiotrack.cpp revision 4473d78d092ffc442edeaed022c7e56366e1c504 
1/*
2 * Copyright (C) 2017 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/**
18 * Handle a DISCONNECT by only opening and starting a new stream
19 * without stopping and closing the old one.
20 * This caused the new stream to use the old disconnected device.
21 */
22
23#include <fcntl.h>
24#include <stdio.h>
25#include <string.h>
26#include <unistd.h>
27
28#include <binder/MemoryBase.h>
29#include <binder/MemoryDealer.h>
30#include <binder/MemoryHeapBase.h>
31#include <media/AudioTrack.h>
32
33#define MAX_INPUT_FILE_LINE_LENGTH 512
34#define MAX_OUTPUT_FILE_LINE_LENGTH 512
35
36#define NUM_ARGUMENTS 10
37#define VERSION_KEY "version"
38#define VERSION_VALUE "1.0"
39
40namespace android {
41
42int readLine(FILE *inputFile, char *line, int size) {
43    int ret = 0;
44    while (true) {
45        char *str = fgets(line, size, inputFile);
46        if (str == nullptr) {
47            ret = -1;
48            break;
49        }
50        if (feof(inputFile) != 0 || ferror(inputFile) != 0) {
51            ret = -1;
52            break;
53        }
54        if (strlen(str) != 0 && str[0] != '#') {
55            break;
56        }
57    }
58    return ret;
59}
60
61bool checkVersion(FILE *inputFile)
62{
63    char line[MAX_INPUT_FILE_LINE_LENGTH];
64    char versionKey[MAX_INPUT_FILE_LINE_LENGTH];
65    char versionValue[MAX_INPUT_FILE_LINE_LENGTH];
66
67    if (readLine(inputFile, line, MAX_INPUT_FILE_LINE_LENGTH) != 0) {
68        fprintf(stderr, "Missing version in input file\n");
69        return false;
70    }
71
72    if (sscanf(line, " %s %s", versionKey, versionValue) != 2) {
73        fprintf(stderr, "Malformed version in input file\n");
74        return false;
75    }
76    if (strcmp(versionKey, VERSION_KEY) != 0) {
77        fprintf(stderr, "Malformed version in input file\n");
78        return false;
79    }
80    if (strcmp(versionValue, VERSION_VALUE) != 0) {
81        fprintf(stderr, "Wrong input file version %s expecting %s\n", versionValue, VERSION_VALUE);
82        return false;
83    }
84    return true;
85}
86
87void callback(int event __unused, void* user __unused, void *info __unused)
88{
89}
90
91void testTrack(FILE *inputFile, int outputFileFd)
92{
93    char line[MAX_INPUT_FILE_LINE_LENGTH];
94    uint32_t testCount = 0;
95    Vector<String16> args;
96
97    if (inputFile == nullptr) {
98        sp<AudioTrack> track = new AudioTrack(AUDIO_STREAM_DEFAULT,
99                                              0 /* sampleRate */,
100                                              AUDIO_FORMAT_DEFAULT,
101                                              AUDIO_CHANNEL_OUT_STEREO);
102        if (track == 0 || track->initCheck() != NO_ERROR) {
103            write(outputFileFd, "Error creating AudioTrack\n",
104                  sizeof("Error creating AudioTrack\n"));
105        } else {
106            track->dump(outputFileFd, args);
107        }
108        return;
109    }
110
111    // check version
112    if (!checkVersion(inputFile)) {
113        return;
114    }
115
116    while (readLine(inputFile, line, MAX_INPUT_FILE_LINE_LENGTH) == 0) {
117        uint32_t sampleRate;
118        audio_format_t format;
119        audio_channel_mask_t channelMask;
120        size_t frameCount;
121        int32_t notificationFrames;
122        uint32_t useSharedBuffer;
123        audio_output_flags_t flags;
124        audio_session_t sessionId;
125        audio_usage_t usage;
126        audio_content_type_t contentType;
127        audio_attributes_t attributes;
128        sp<IMemory> sharedBuffer;
129        sp<MemoryDealer> heap;
130        audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER;
131        status_t status;
132        char statusStr[MAX_OUTPUT_FILE_LINE_LENGTH];
133        bool offload = false;
134        bool fast = false;
135
136        if (sscanf(line, " %u %x %x %zu %d %u %x %u %u %u",
137                   &sampleRate, &format, &channelMask,
138                   &frameCount, &notificationFrames, &useSharedBuffer,
139                   &flags, &sessionId, &usage, &contentType) != NUM_ARGUMENTS) {
140            fprintf(stderr, "Malformed line for test #%u in input file\n", testCount+1);
141            continue;
142        }
143        testCount++;
144
145        if (useSharedBuffer != 0) {
146            size_t heapSize = audio_channel_count_from_out_mask(channelMask) *
147                    audio_bytes_per_sample(format) * frameCount;
148            heap = new MemoryDealer(heapSize, "AudioTrack Heap Base");
149            sharedBuffer = heap->allocate(heapSize);
150            frameCount = 0;
151            notificationFrames = 0;
152        }
153        if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
154            offloadInfo.sample_rate = sampleRate;
155            offloadInfo.channel_mask = channelMask;
156            offloadInfo.format = format;
157            offload = true;
158        }
159        if ((flags & AUDIO_OUTPUT_FLAG_FAST) != 0) {
160            fast = true;
161        }
162
163        memset(&attributes, 0, sizeof(attributes));
164        attributes.content_type = contentType;
165        attributes.usage = usage;
166
167        sp<AudioTrack> track = new AudioTrack();
168
169        track->set(AUDIO_STREAM_DEFAULT,
170                   sampleRate,
171                   format,
172                   channelMask,
173                   frameCount,
174                   flags,
175                   (fast || offload) ? callback : nullptr,
176                   nullptr,
177                   notificationFrames,
178                   sharedBuffer,
179                   false,
180                   sessionId,
181                   ((fast && sharedBuffer == 0) || offload) ?
182                           AudioTrack::TRANSFER_CALLBACK : AudioTrack::TRANSFER_DEFAULT,
183                   offload ? &offloadInfo : nullptr,
184                   getuid(),
185                   getpid(),
186                   &attributes,
187                   false,
188                   1.0f,
189                   AUDIO_PORT_HANDLE_NONE);
190        status = track->initCheck();
191        sprintf(statusStr, "\n#### Test %u status %d\n", testCount, status);
192        write(outputFileFd, statusStr, strlen(statusStr));
193        if (status != NO_ERROR) {
194            continue;
195        }
196        track->dump(outputFileFd, args);
197    }
198}
199
200}; // namespace android
201
202
203int main(int argc, char **argv)
204{
205    FILE *inputFile = nullptr;
206    int outputFileFd = STDOUT_FILENO;
207    mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
208    int ret = 0;
209
210    if (argc > 5) {
211        fprintf(stderr, "Usage: %s [-i input_params.txt] [-o output_params.txt]\n", argv[0]);
212        return 1;
213    }
214
215    argv++;
216    while (*argv) {
217        if (strcmp(*argv, "-i") == 0) {
218            argv++;
219            if (*argv) {
220                inputFile = fopen(*argv, "r");
221                if (inputFile == nullptr) {
222                    ret = 1;
223                }
224            } else {
225                ret = 1;
226            }
227        }
228        if (strcmp(*argv, "-o") == 0) {
229            argv++;
230            if (*argv) {
231                outputFileFd = open(*argv, O_WRONLY|O_CREAT, mode);
232                if (outputFileFd < 0) {
233                    ret = 1;
234                }
235            } else {
236                ret = 1;
237            }
238            argv++;
239        }
240        if (*argv) {
241            argv++;
242        }
243    }
244
245    if (ret != 0) {
246        return ret;
247    }
248
249    android::testTrack(inputFile, outputFileFd);
250
251    if (inputFile) {
252        fclose(inputFile);
253    }
254    if (outputFileFd >= 0 && outputFileFd != STDOUT_FILENO) {
255        close(outputFileFd);
256    }
257
258    return ret;
259}
260
261