1 /*
2 * Copyright (C) 2010 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 // multiplay is a command-line test app that plays multiple files randomly
18
19 #include <SLES/OpenSLES.h>
20 #include <assert.h>
21 #include <string.h>
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <unistd.h>
25
26 // Describes the state of one player
27
28 typedef struct {
29 SLObjectItf mPlayerObject;
30 SLPlayItf mPlayerPlay;
31 SLSeekItf mPlayerSeek;
32 SLPrefetchStatusItf mPlayerPrefetchStatus;
33 SLVolumeItf mPlayerVolume;
34 SLmillisecond mPlayerDuration;
35 SLboolean mPlayerErrorInCallback;
36 SLboolean mPlayerErrorReported;
37 } Player;
38
39 // Strings corresponding to result codes; FIXME should move to a common test library
40
41 static const char *result_strings[] = {
42 "SUCCESS",
43 "PRECONDITIONS_VIOLATED",
44 "PARAMETER_INVALID",
45 "MEMORY_FAILURE",
46 "RESOURCE_ERROR",
47 "RESOURCE_LOST",
48 "IO_ERROR",
49 "BUFFER_INSUFFICIENT",
50 "CONTENT_CORRUPTED",
51 "CONTENT_UNSUPPORTED",
52 "CONTENT_NOT_FOUND",
53 "PERMISSION_DENIED",
54 "FEATURE_UNSUPPORTED",
55 "INTERNAL_ERROR",
56 "UNKNOWN_ERROR",
57 "OPERATION_ABORTED",
58 "CONTROL_LOST"
59 };
60
61 // Convert result to string; FIXME should move to common test library
62
result_to_string(SLresult result)63 static const char *result_to_string(SLresult result)
64 {
65 static char buffer[32];
66 if ( /* result >= 0 && */ result < sizeof(result_strings) / sizeof(result_strings[0]))
67 return result_strings[result];
68 sprintf(buffer, "%d", (int) result);
69 return buffer;
70 }
71
72 // Compare result against expected and exit suddenly if wrong
73
check2(SLresult result,int line)74 void check2(SLresult result, int line)
75 {
76 if (SL_RESULT_SUCCESS != result) {
77 fprintf(stderr, "error %s at line %d\n", result_to_string(result), line);
78 exit(EXIT_FAILURE);
79 }
80 }
81
82 // Same as above but automatically adds the source code line number
83
84 #define check(result) check2(result, __LINE__)
85
86 // Prefetch status callback
87
88 #define PREFETCHEVENT_ERROR_CANDIDATE \
89 (SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE)
90
prefetch_callback(SLPrefetchStatusItf caller,void * context,SLuint32 event)91 void prefetch_callback(SLPrefetchStatusItf caller, void *context, SLuint32 event)
92 {
93 SLresult result;
94 assert(context != NULL);
95 Player *p = (Player *) context;
96 assert(p->mPlayerPrefetchStatus == caller);
97 SLpermille level;
98 result = (*caller)->GetFillLevel(caller, &level);
99 check(result);
100 SLuint32 status;
101 result = (*caller)->GetPrefetchStatus(caller, &status);
102 check(result);
103 //fprintf(stderr, "PrefetchEventCallback: received event %u, level %u, status %u\n",
104 // event, level, status);
105 if ((PREFETCHEVENT_ERROR_CANDIDATE == (event & PREFETCHEVENT_ERROR_CANDIDATE))
106 && (level == 0) && (status == SL_PREFETCHSTATUS_UNDERFLOW)) {
107 p->mPlayerErrorInCallback = SL_BOOLEAN_TRUE;
108 }
109 }
110
111 // Main program
112
main(int argc,char ** argv)113 int main(int argc, char **argv)
114 {
115 int i;
116 const char *arg;
117 int numPlayers = 0;
118 int playTimeInMilliseconds = 0; // default to run forever
119 SLmillibel mixVolumeLevel = 0;
120 for (i = 1; i < argc; ++i) {
121 arg = argv[i];
122 if (arg[0] != '-')
123 break;
124 if (!strncmp(arg, "-n", 2))
125 numPlayers = atoi(&arg[2]);
126 else if (!strncmp(arg, "-v", 2))
127 mixVolumeLevel = atoi(&arg[2]);
128 else if (!strncmp(arg, "-t", 2))
129 playTimeInMilliseconds = atoi(&arg[2]) * 1000;
130 else
131 fprintf(stderr, "unknown option: %s\n", arg);
132 }
133 int numPathnames = argc - i;
134 if (numPathnames <= 0) {
135 fprintf(stderr, "usage: %s file.wav ...\n", argv[0]);
136 return EXIT_FAILURE;
137 }
138 if (numPlayers <= 0) {
139 numPlayers = numPathnames;
140 }
141 Player *players = (Player *) calloc(numPlayers, sizeof(Player));
142 assert(NULL != players);
143 char **pathnames = &argv[i];
144 SLresult result;
145
146 // engine
147 const SLInterfaceID engine_ids[] = {SL_IID_ENGINE};
148 const SLboolean engine_req[] = {SL_BOOLEAN_TRUE};
149 SLObjectItf engineObject;
150 result = slCreateEngine(&engineObject, 0, NULL, 1, engine_ids, engine_req);
151 check(result);
152 result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE);
153 check(result);
154 SLEngineItf engineEngine;
155 result = (*engineObject)->GetInterface(engineObject, SL_IID_ENGINE, &engineEngine);
156 check(result);
157
158 // mixer
159 const SLInterfaceID mix_ids[] = {SL_IID_VOLUME};
160 const SLboolean mix_req[] = {SL_BOOLEAN_TRUE};
161 SLObjectItf mixObject;
162 result = (*engineEngine)->CreateOutputMix(engineEngine, &mixObject, 0, mix_ids, mix_req);
163 check(result);
164 result = (*mixObject)->Realize(mixObject, SL_BOOLEAN_FALSE);
165 check(result);
166 #if 0
167 SLVolumeItf mixVolume;
168 result = (*mixObject)->GetInterface(mixObject, SL_IID_VOLUME, &mixVolume);
169 check(result);
170 SLmillibel mixVolumeLevelDefault;
171 result = (*mixVolume)->GetVolumeLevel(mixVolume, &mixVolumeLevelDefault);
172 check(result);
173 printf("default mix volume level = %d\n", mixVolumeLevelDefault);
174 #endif
175
176 printf("numPathnames=%d\n", numPathnames);
177 printf("numPlayers=%d\n", numPlayers);
178 Player *p;
179
180 // create all the players
181 for (i = 0; i < numPlayers; ++i) {
182 const SLInterfaceID player_ids[] =
183 {SL_IID_PLAY, SL_IID_VOLUME, SL_IID_SEEK, SL_IID_PREFETCHSTATUS};
184 const SLboolean player_req[] =
185 {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
186 p = &players[i];
187 SLDataLocator_URI locURI = {SL_DATALOCATOR_URI, (SLchar *) pathnames[i % numPathnames]};
188 SLDataFormat_MIME dfMIME = {SL_DATAFORMAT_MIME, NULL, SL_CONTAINERTYPE_UNSPECIFIED};
189 SLDataSource audioSrc = {&locURI, &dfMIME};
190 SLDataLocator_OutputMix locOutputMix = {SL_DATALOCATOR_OUTPUTMIX, mixObject};
191 SLDataSink audioSnk = {&locOutputMix, NULL};
192 result = (*engineEngine)->CreateAudioPlayer(engineEngine, &p->mPlayerObject, &audioSrc,
193 &audioSnk, sizeof(player_ids)/sizeof(player_ids[0]), player_ids, player_req);
194 check(result);
195 result = (*p->mPlayerObject)->Realize(p->mPlayerObject, SL_BOOLEAN_FALSE);
196 check(result);
197 result = (*p->mPlayerObject)->GetInterface(p->mPlayerObject, SL_IID_PLAY, &p->mPlayerPlay);
198 check(result);
199 result = (*p->mPlayerObject)->GetInterface(p->mPlayerObject, SL_IID_VOLUME,
200 &p->mPlayerVolume);
201 check(result);
202 result = (*p->mPlayerObject)->GetInterface(p->mPlayerObject, SL_IID_SEEK, &p->mPlayerSeek);
203 check(result);
204 result = (*p->mPlayerObject)->GetInterface(p->mPlayerObject, SL_IID_PREFETCHSTATUS,
205 &p->mPlayerPrefetchStatus);
206 check(result);
207 result = (*p->mPlayerPrefetchStatus)->RegisterCallback(p->mPlayerPrefetchStatus,
208 prefetch_callback, p);
209 check(result);
210 result = (*p->mPlayerPrefetchStatus)->SetCallbackEventsMask(p->mPlayerPrefetchStatus,
211 SL_PREFETCHEVENT_STATUSCHANGE | SL_PREFETCHEVENT_FILLLEVELCHANGE);
212 check(result);
213 }
214
215 // now loop randomly doing things to the players
216 for (;;) {
217 SLmillisecond delay = 100 + (rand() & 1023);
218 printf("sleep %u\n", (unsigned) delay);
219 usleep(delay * 1000);
220 i = (rand() & 0x7FFFFFFF) % numPlayers;
221 p = &players[i];
222 if (p->mPlayerErrorReported)
223 continue;
224 printf("player %d (%s): ", i, pathnames[i]);
225 if (p->mPlayerErrorInCallback && !p->mPlayerErrorReported) {
226 printf("error, ");
227 p->mPlayerErrorReported = SL_BOOLEAN_TRUE;
228 }
229 result = (*p->mPlayerPlay)->GetDuration(p->mPlayerPlay, &p->mPlayerDuration);
230 check(result);
231 if (p->mPlayerDuration == SL_TIME_UNKNOWN) {
232 printf("duration unknown, ");
233 } else {
234 printf("duration %d ms, ", (int) p->mPlayerDuration);
235 }
236 SLuint32 state;
237 result = (*p->mPlayerPlay)->GetPlayState(p->mPlayerPlay, &state);
238 check(result);
239 printf("state = ");
240 switch (state) {
241 case SL_PLAYSTATE_STOPPED:
242 printf("STOPPED");
243 break;
244 case SL_PLAYSTATE_PAUSED:
245 printf("PAUSED");
246 break;
247 case SL_PLAYSTATE_PLAYING:
248 printf("PLAYING");
249 break;
250 default:
251 printf("%u", (unsigned) state);
252 break;
253 }
254 printf("\n");
255 if (state == SL_PLAYSTATE_STOPPED || state == SL_PLAYSTATE_PAUSED) {
256 SLmillibel volumeLevel = -((rand() & 0x7FFFFFFF) % ((SL_MILLIBEL_MIN + 1) / 10));
257 printf("volume %d\n", volumeLevel);
258 result = (*p->mPlayerVolume)->SetVolumeLevel(p->mPlayerVolume, volumeLevel);
259 check(result);
260 result = (*p->mPlayerVolume)->EnableStereoPosition(p->mPlayerVolume, SL_BOOLEAN_TRUE);
261 check(result);
262 SLpermille stereoPosition = ((rand() & 0x7FFFFFFF) % 2001) - 1000;
263 printf("position %d\n", stereoPosition);
264 result = (*p->mPlayerVolume)->SetStereoPosition(p->mPlayerVolume, stereoPosition);
265 check(result);
266 if (state != SL_PLAYSTATE_STOPPED) {
267 result = (*p->mPlayerSeek)->SetPosition(p->mPlayerSeek, 0, SL_SEEKMODE_FAST);
268 check(result);
269 }
270 result = (*p->mPlayerPlay)->SetPlayState(p->mPlayerPlay, SL_PLAYSTATE_PLAYING);
271 check(result);
272 }
273 if ((playTimeInMilliseconds > 0) && ((playTimeInMilliseconds -= delay) < 0))
274 break;
275 }
276
277 for (i = 0; i < numPlayers; ++i) {
278 SLObjectItf playerObject = players[i].mPlayerObject;
279 (*playerObject)->Destroy(playerObject);
280 }
281 (*mixObject)->Destroy(mixObject);
282 (*engineObject)->Destroy(engineObject);
283
284 return EXIT_SUCCESS;
285 }
286