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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 =
(*env)->FindClass(env, "android/media/AudioTrack");
const jint android_media_AudioTrack_WRITE_NON_BLOCKING =
const jint android_media_AudioTrack_WRITE_BLOCKING =
(*env)->GetStaticIntField(
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;
jshortArray arrInShorts;
@ -151,26 +151,23 @@ static char* writeToAudioTrack(uintptr_t java_vm, uintptr_t jni_env,
(*env)->SetShortArrayRegion(env, arrInShorts, 0, length, data);
break;
}
int i = 0;
for (i = 0; i < length;) {
jint result = 0;
switch (bytesPerSample) {
case 1:
result =
(*env)->CallIntMethod(
env, audioTrack,
(*env)->GetMethodID(env, android_media_AudioTrack, "write", "([BIII)I"),
arrInBytes, i, length - i, android_media_AudioTrack_WRITE_NON_BLOCKING);
break;
case 2:
result =
(*env)->CallIntMethod(
env, audioTrack,
(*env)->GetMethodID(env, android_media_AudioTrack, "write", "([SIII)I"),
arrInShorts, i, length - i, android_media_AudioTrack_WRITE_NON_BLOCKING);
break;
}
i += result;
jint result;
switch (bytesPerSample) {
case 1:
result =
(*env)->CallIntMethod(
env, audioTrack,
(*env)->GetMethodID(env, android_media_AudioTrack, "write", "([BIII)I"),
arrInBytes, 0, length, android_media_AudioTrack_WRITE_BLOCKING);
break;
case 2:
result =
(*env)->CallIntMethod(
env, audioTrack,
(*env)->GetMethodID(env, android_media_AudioTrack, "write", "([SIII)I"),
arrInShorts, 0, length, android_media_AudioTrack_WRITE_BLOCKING);
break;
}
// TODO: Check the result.