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audio: Refactoring for mobiles (reduce calls)

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This commit is contained in:
Hajime Hoshi 2016-05-29 04:40:30 +09:00
parent 857bc1ed51
commit ebac6cbb81
1 changed files with 19 additions and 22 deletions
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41
audio/internal/driver/driver_android.go
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@ -134,10 +134,10 @@ static char* writeToAudioTrack(uintptr_t java_vm, uintptr_t jni_env,
const jclass android_media_AudioTrack = const jclass android_media_AudioTrack =
(*env)->FindClass(env, "android/media/AudioTrack"); (*env)->FindClass(env, "android/media/AudioTrack");
const jint android_media_AudioTrack_WRITE_NON_BLOCKING = const jint android_media_AudioTrack_WRITE_BLOCKING =
(*env)->GetStaticIntField( (*env)->GetStaticIntField(
env, android_media_AudioTrack, env, android_media_AudioTrack,
(*env)->GetStaticFieldID(env, android_media_AudioTrack, "WRITE_NON_BLOCKING", "I")); (*env)->GetStaticFieldID(env, android_media_AudioTrack, "WRITE_BLOCKING", "I"));
jbyteArray arrInBytes; jbyteArray arrInBytes;
jshortArray arrInShorts; jshortArray arrInShorts;
@ -151,26 +151,23 @@ static char* writeToAudioTrack(uintptr_t java_vm, uintptr_t jni_env,
(*env)->SetShortArrayRegion(env, arrInShorts, 0, length, data); (*env)->SetShortArrayRegion(env, arrInShorts, 0, length, data);
break; break;
} }
int i = 0;
for (i = 0; i < length;) { jint result;
jint result = 0; switch (bytesPerSample) {
switch (bytesPerSample) { case 1:
case 1: result =
result = (*env)->CallIntMethod(
(*env)->CallIntMethod( env, audioTrack,
env, audioTrack, (*env)->GetMethodID(env, android_media_AudioTrack, "write", "([BIII)I"),
(*env)->GetMethodID(env, android_media_AudioTrack, "write", "([BIII)I"), arrInBytes, 0, length, android_media_AudioTrack_WRITE_BLOCKING);
arrInBytes, i, length - i, android_media_AudioTrack_WRITE_NON_BLOCKING); break;
break; case 2:
case 2: result =
result = (*env)->CallIntMethod(
(*env)->CallIntMethod( env, audioTrack,
env, audioTrack, (*env)->GetMethodID(env, android_media_AudioTrack, "write", "([SIII)I"),
(*env)->GetMethodID(env, android_media_AudioTrack, "write", "([SIII)I"), arrInShorts, 0, length, android_media_AudioTrack_WRITE_BLOCKING);
arrInShorts, i, length - i, android_media_AudioTrack_WRITE_NON_BLOCKING); break;
break;
}
i += result;
} }
// TODO: Check the result. // TODO: Check the result.