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/*
* Copyright (C) 2010 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.
*/
#include <SLES/OpenSLES.h>
#include "OpenSLESUT.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv)
{
printf("Get number of available engine interfaces\n");
SLresult result;
SLuint32 numSupportedInterfaces = 12345;
result = slQueryNumSupportedEngineInterfaces(&numSupportedInterfaces);
assert(SL_RESULT_SUCCESS == result);
result = slQueryNumSupportedEngineInterfaces(NULL);
assert(SL_RESULT_PARAMETER_INVALID == result);
printf("Engine number of supported interfaces %u\n", numSupportedInterfaces);
SLInterfaceID *engine_ids = calloc(numSupportedInterfaces+1, sizeof(SLInterfaceID));
assert(engine_ids != NULL);
SLboolean *engine_req = calloc(numSupportedInterfaces+1, sizeof(SLboolean));
assert(engine_req != NULL);
printf("Display the ID of each available interface\n");
SLuint32 index;
for (index = 0; index < numSupportedInterfaces + 1; ++index) {
SLInterfaceID interfaceID;
memset(&interfaceID, 0x55, sizeof(interfaceID));
result = slQuerySupportedEngineInterfaces(index, &interfaceID);
if (index < numSupportedInterfaces) {
assert(SL_RESULT_SUCCESS == result);
printf("interface[%u] ", index);
slesutPrintIID(interfaceID);
engine_ids[index] = interfaceID;
engine_req[index] = SL_BOOLEAN_TRUE;
} else {
assert(SL_RESULT_PARAMETER_INVALID == result);
}
result = slQuerySupportedEngineInterfaces(index, NULL);
assert(SL_RESULT_PARAMETER_INVALID == result);
}
printf("Create an engine and request all available interfaces\n");
SLObjectItf engineObject;
if (0 < numSupportedInterfaces) {
printf("Create engine with numSupportedInterfaces > 0 but NULL pointers\n");
result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, engine_ids, NULL);
assert(SL_RESULT_PARAMETER_INVALID == result);
assert(NULL == engineObject);
result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, NULL, engine_req);
assert(SL_RESULT_PARAMETER_INVALID == result);
assert(NULL == engineObject);
}
printf("Create engine with no place to return the new engine object\n");
result = slCreateEngine(NULL, 0, NULL, numSupportedInterfaces, engine_ids, engine_req);
assert(SL_RESULT_PARAMETER_INVALID == result);
printf("Create engine with NULL interface pointer\n");
SLInterfaceID null_id[1] = {NULL};
SLboolean null_req[1] = {SL_BOOLEAN_FALSE};
result = slCreateEngine(&engineObject, 0, NULL, 1, null_id, null_req);
assert(SL_RESULT_PARAMETER_INVALID == result);
assert(NULL == engineObject);
printf("Create an engine with numOptions > 0 but NULL pointer\n");
result = slCreateEngine(&engineObject, 1, NULL, 0, NULL, NULL);
assert(SL_RESULT_PARAMETER_INVALID == result);
assert(NULL == engineObject);
SLEngineOption options[2];
options[0].feature = 0x12345;
options[0].data = 0;
printf("Create engine with non-sensical option\n");
result = slCreateEngine(&engineObject, 1, options, 0, NULL, NULL);
assert(SL_RESULT_PARAMETER_INVALID == result);
assert(NULL == engineObject);
printf("Create an engine and require non-sensical volume interface\n");
engine_ids[numSupportedInterfaces] = SL_IID_VOLUME;
engine_req[numSupportedInterfaces] = SL_BOOLEAN_TRUE;
result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces+1, engine_ids,
engine_req);
assert(SL_RESULT_FEATURE_UNSUPPORTED == result);
assert(NULL == engineObject);
printf("Create an engine and politely request a non-sensical interface with options\n");
engine_req[numSupportedInterfaces] = SL_BOOLEAN_FALSE;
options[0].feature = SL_ENGINEOPTION_THREADSAFE;
options[0].data = (SLuint32) SL_BOOLEAN_TRUE;
options[1].feature = SL_ENGINEOPTION_LOSSOFCONTROL;
options[1].data = (SLuint32) SL_BOOLEAN_FALSE;
result = slCreateEngine(&engineObject, 2, options, numSupportedInterfaces+1, engine_ids,
engine_req);
assert(SL_RESULT_SUCCESS == result);
printf("Engine object %p\n", engineObject);
printf("Get each available interface before realization\n");
for (index = 0; index < numSupportedInterfaces; ++index) {
void *interface = NULL;
// Use the interface ID as returned by slQuerySupportedEngineInterfaces
result = (*engineObject)->GetInterface(engineObject, engine_ids[index], &interface);
assert(SL_RESULT_SUCCESS == result || SL_RESULT_PRECONDITIONS_VIOLATED == result);
if (SL_RESULT_SUCCESS == result) {
printf("interface available pre-realize: ");
slesutPrintIID(engine_ids[index]);
}
}
printf("Destroy engine before realization\n");
(*engineObject)->Destroy(engineObject);
printf("Create engine again\n");
result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, engine_ids, engine_req);
assert(SL_RESULT_SUCCESS == result);
printf("Engine object %p\n", engineObject);
printf("Realize the engine\n");
result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE);
assert(SL_RESULT_SUCCESS == result);
printf("Get each available interface after realization\n");
for (index = 0; index < numSupportedInterfaces; ++index) {
void *interface = NULL;
result = (*engineObject)->GetInterface(engineObject, engine_ids[index], &interface);
assert(SL_RESULT_SUCCESS == result);
printf("interface[%u] %p\n", index, interface);
// Use a copy of the interface ID to make sure lookup is not purely relying on address
void *interface_again = NULL;
struct SLInterfaceID_ copy = *engine_ids[index];
result = (*engineObject)->GetInterface(engineObject, &copy, &interface_again);
assert(SL_RESULT_SUCCESS == result);
// Calling GetInterface multiple times should return the same interface
assert(interface_again == interface);
}
SLObjectItf engineObject2;
#if 0
printf("Create too many engines\n");
result = slCreateEngine(&engineObject2, 0, NULL, 0, NULL, NULL);
assert(SL_RESULT_RESOURCE_ERROR == result);
assert(NULL == engineObject2);
#endif
printf("Destroy engine\n");
(*engineObject)->Destroy(engineObject);
printf("Now should be able to create another engine\n");
result = slCreateEngine(&engineObject2, 0, NULL, 0, NULL, NULL);
assert(SL_RESULT_SUCCESS == result);
printf("Exit without destroying engine -- examine log for expected error message\n");
free(engine_ids);
free(engine_req);
return EXIT_SUCCESS;
}