c - Realizing an outputMixObject in the Android NDK with OpenSL ES causes crash of application -
i trying implement opensl es project of mine, while doing so, crash of application. error occurs when try realize outputmixobject calling it's realize method:
// create outputmixer. result = (*engineinstance)->createoutputmix(engineinstance, &outputmixobject, 1, null, null); assert(result == sl_result_success); // realize outputmixer. result = (*outputmixobject)->realize(outputmixobject, sl_boolean_false); assert(result == sl_result_success); when run application test, following log entries:
05-11 13:20:19.736: info/debug(31): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 05-11 13:20:19.736: info/debug(31): build fingerprint: 'generic/sdk/generic:2.3.1/gsi11/93351:eng/test-keys' 05-11 13:20:19.736: info/debug(31): pid: 631, tid: 631 >>> org.test.opensl <<< 05-11 13:20:19.746: info/debug(31): signal 11 (sigsegv), code 1 (segv_maperr), fault addr 00000000 05-11 13:20:19.746: info/debug(31): r0 00000000 r1 00000000 r2 00000000 r3 00000000 05-11 13:20:19.746: info/debug(31): r4 82f01bdc r5 8380af69 r6 00000000 r7 418fccc4 05-11 13:20:19.746: info/debug(31): r8 bee5f428 r9 418fccbc 10 418fcca4 fp 42596f38 05-11 13:20:19.746: info/debug(31): ip 00000000 sp bee5f410 lr 8380af95 pc 82f009ae cpsr 40000030 05-11 13:20:19.986: info/debug(31): #00 pc 000009ae /data/data/org.test.opensl/lib/libslaudio.so 05-11 13:20:19.986: info/debug(31): #01 pc 00017d34 /system/lib/libdvm.so 05-11 13:20:19.996: info/debug(31): #02 pc 00048ec0 /system/lib/libdvm.so 05-11 13:20:20.007: info/debug(31): #03 pc 00041a6a /system/lib/libdvm.so 05-11 13:20:20.007: info/debug(31): #04 pc 0004e5dc /system/lib/libdvm.so 05-11 13:20:20.016: info/debug(31): #05 pc 0001cf94 /system/lib/libdvm.so 05-11 13:20:20.016: info/debug(31): #06 pc 0002209c /system/lib/libdvm.so 05-11 13:20:20.016: info/debug(31): #07 pc 00020f90 /system/lib/libdvm.so 05-11 13:20:20.016: info/debug(31): #08 pc 0005f50e /system/lib/libdvm.so 05-11 13:20:20.026: info/debug(31): #09 pc 00066ed6 /system/lib/libdvm.so 05-11 13:20:20.026: info/debug(31): #10 pc 0001cf94 /system/lib/libdvm.so 05-11 13:20:20.057: info/debug(31): #11 pc 0002209c /system/lib/libdvm.so 05-11 13:20:20.057: info/debug(31): #12 pc 00020f90 /system/lib/libdvm.so 05-11 13:20:20.057: info/debug(31): #13 pc 0005f360 /system/lib/libdvm.so 05-11 13:20:20.066: info/debug(31): #14 pc 0004b960 /system/lib/libdvm.so 05-11 13:20:20.066: info/debug(31): #15 pc 0003eb64 /system/lib/libdvm.so 05-11 13:20:20.066: info/debug(31): #16 pc 0003c15c /system/lib/libandroid_runtime.so 05-11 13:20:20.086: info/debug(31): #17 pc 0003cf76 /system/lib/libandroid_runtime.so 05-11 13:20:20.086: info/debug(31): #18 pc 00008ca2 /system/bin/app_process 05-11 13:20:20.086: info/debug(31): #19 pc 00014db8 /system/lib/libc.so 05-11 13:20:20.097: info/debug(31): code around pc: 05-11 13:20:20.106: info/debug(31): 82f0098c 68116803 32201c22 479868db 1c216a20 05-11 13:20:20.106: info/debug(31): 82f0099c 68032201 31189600 230069dd 69a047a8 05-11 13:20:20.106: info/debug(31): 82f009ac 68032100 4798681b bd70b002 00001274 05-11 13:20:20.116: info/debug(31): 82f009bc 00001228 0000002c 00000002 00000001 05-11 13:20:20.126: info/debug(31): 82f009cc 007a1200 00000010 00000010 00000004 05-11 13:20:20.126: info/debug(31): code around lr: 05-11 13:20:20.136: info/debug(31): 8380af74 29002602 2000d01e 48106008 fcf8f7fd 05-11 13:20:20.136: info/debug(31): 8380af84 9300ab05 9a031c39 1c049b0c fa9af7fe 05-11 13:20:20.136: info/debug(31): 8380af94 d10f1e06 99051c20 f7fd9a02 1e04fec3 05-11 13:20:20.136: info/debug(31): 8380afa4 2603d101 1c20e006 fa30f7fb f0011c20 05-11 13:20:20.136: info/debug(31): 8380afb4 602cf8a3 1c30b007 46c0bdf0 00001009 05-11 13:20:20.136: info/debug(31): stack: 05-11 13:20:20.136: info/debug(31): bee5f3d0 82f01bf4 /data/data/org.test.opensl/lib/libslaudio.so 05-11 13:20:20.136: info/debug(31): bee5f3d4 00000002 05-11 13:20:20.146: info/debug(31): bee5f3d8 00000001 05-11 13:20:20.146: info/debug(31): bee5f3dc 8380af95 /system/lib/libopensles.so 05-11 13:20:20.156: info/debug(31): bee5f3e0 bee5f3f4 05-11 13:20:20.156: info/debug(31): bee5f3e4 838089b9 /system/lib/libopensles.so 05-11 13:20:20.156: info/debug(31): bee5f3e8 0029cea4 [heap] 05-11 13:20:20.156: info/debug(31): bee5f3ec 00000000 05-11 13:20:20.156: info/debug(31): bee5f3f0 00000000 05-11 13:20:20.156: info/debug(31): bee5f3f4 82f01bfc /data/data/org.test.opensl/lib/libslaudio.so 05-11 13:20:20.156: info/debug(31): bee5f3f8 000001b4 05-11 13:20:20.156: info/debug(31): bee5f3fc 82f01bdc /data/data/org.test.opensl/lib/libslaudio.so 05-11 13:20:20.167: info/debug(31): bee5f400 8380af69 /system/lib/libopensles.so 05-11 13:20:20.167: info/debug(31): bee5f404 00000000 05-11 13:20:20.167: info/debug(31): bee5f408 df002777 05-11 13:20:20.176: info/debug(31): bee5f40c e3a070ad 05-11 13:20:20.176: info/debug(31): #00 bee5f410 00000000 05-11 13:20:20.176: info/debug(31): bee5f414 00000000 05-11 13:20:20.176: info/debug(31): bee5f418 bee5f448 05-11 13:20:20.186: info/debug(31): bee5f41c 00000000 05-11 13:20:20.186: info/debug(31): bee5f420 43d6e7c3 /data/dalvik-cache/data@app@org.test.opensl-2.apk@classes.dex 05-11 13:20:20.186: info/debug(31): bee5f424 81d17d38 /system/lib/libdvm.so 05-11 13:20:20.186: info/debug(31): #01 bee5f428 41adab28 /dev/ashmem/dalvik-linearalloc (deleted) 05-11 13:20:20.186: info/debug(31): bee5f42c 0000ce48 [heap] 05-11 13:20:20.186: info/debug(31): bee5f430 43d6e7c3 /data/dalvik-cache/data@app@org.test.opensl-2.apk@classes.dex 05-11 13:20:20.186: info/debug(31): bee5f434 bee5f508 05-11 13:20:20.186: info/debug(31): bee5f438 81d17f00 /system/lib/libdvm.so 05-11 13:20:20.186: info/debug(31): bee5f43c 0000ce48 [heap] 05-11 13:20:20.186: info/debug(31): bee5f440 bee5f448 05-11 13:20:20.186: info/debug(31): bee5f444 81d48ec3 /system/lib/libdvm.so checking program counter @ #00, shows method @ address 000009ae caused crash. converting address line @ occurred in source file, gives me line of code realize(outputmixobject, sl_boolean_false method is.
note, converted address via solution posted @ question: how use addr2line in android
however, can't seem make sense of it, might due inexperience ndk or c/opensl es in general...
i test on android 2.3.1 emulator. code specified earlier in initialization method initializes engine application:
jniexport void jnicall java_org_test_opensl_audioprocessor_createengine(jnienv *env, jobject thiz){ slresult result; // create engine. result = slcreateengine(&engineobject, 0, null, 0, null, null); assert(result == sl_result_success); // realize engine. result = (*engineobject)->realize(engineobject, sl_boolean_false); assert(result == sl_result_success); // engine interface, required creation of other objects. result = (*engineobject)->getinterface(engineobject, sl_iid_engine, &engineinstance); assert(result == sl_result_success); // create outputmixer. result = (*engineinstance)->createoutputmix(engineinstance, &outputmixobject, 1, null, null); assert(result == sl_result_success); // realize outputmixer. result = (*outputmixobject)->realize(outputmixobject, sl_boolean_false); assert(result == sl_result_success); } if shed light on this, appreciated...
result = (*engineinstance)->createoutputmix(engineinstance, &outputmixobject, 1, null, null); you're supplying 1 numinterfaces parameter, , sending null pointer pinterfaceids param, result in segfault @ 0x00000000 somewhere inside opensl.
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