size_t memcpy_by_index_array_initialization_from_channel_mask(int8_t *idxary, size_t arysize,
audio_channel_mask_t dst_channel_mask, audio_channel_mask_t src_channel_mask)
{
const audio_channel_representation_t src_representation =
audio_channel_mask_get_representation(src_channel_mask);
const audio_channel_representation_t dst_representation =
audio_channel_mask_get_representation(dst_channel_mask);
const uint32_t src_bits = audio_channel_mask_get_bits(src_channel_mask);
const uint32_t dst_bits = audio_channel_mask_get_bits(dst_channel_mask);
switch (src_representation) {
case AUDIO_CHANNEL_REPRESENTATION_POSITION:
switch (dst_representation) {
case AUDIO_CHANNEL_REPRESENTATION_POSITION:
return memcpy_by_index_array_initialization(idxary, arysize,
dst_bits, src_bits);
case AUDIO_CHANNEL_REPRESENTATION_INDEX:
return memcpy_by_index_array_initialization_dst_index(idxary, arysize,
dst_bits, src_bits);
default:
return 0;
}
break;
case AUDIO_CHANNEL_REPRESENTATION_INDEX:
switch (dst_representation) {
case AUDIO_CHANNEL_REPRESENTATION_POSITION:
return memcpy_by_index_array_initialization_src_index(idxary, arysize,
dst_bits, src_bits);
case AUDIO_CHANNEL_REPRESENTATION_INDEX:
return memcpy_by_index_array_initialization(idxary, arysize,
dst_bits, src_bits);
default:
return 0;
}
break;
default:
return 0;
}
}
//-----------------------------------------------------------------------------
SLresult android_audioRecorder_realize(CAudioRecorder* ar, SLboolean async) {
SL_LOGV("android_audioRecorder_realize(%p) entering", ar);
SLresult result = SL_RESULT_SUCCESS;
// already checked in created and checkSourceSink
assert(ar->mDataSink.mLocator.mLocatorType == SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE);
const SLDataFormat_PCM *df_pcm = &ar->mDataSink.mFormat.mPCM;
// the following platform-independent fields have been initialized in CreateAudioRecorder()
// ar->mNumChannels
// ar->mSampleRateMilliHz
uint32_t sampleRate = sles_to_android_sampleRate(df_pcm->samplesPerSec);
checkAndSetPerformanceModePre(ar);
audio_input_flags_t policy;
switch (ar->mPerformanceMode) {
case ANDROID_PERFORMANCE_MODE_NONE:
case ANDROID_PERFORMANCE_MODE_POWER_SAVING:
policy = AUDIO_INPUT_FLAG_NONE;
break;
case ANDROID_PERFORMANCE_MODE_LATENCY_EFFECTS:
policy = AUDIO_INPUT_FLAG_FAST;
break;
case ANDROID_PERFORMANCE_MODE_LATENCY:
default:
policy = (audio_input_flags_t)(AUDIO_INPUT_FLAG_FAST | AUDIO_INPUT_FLAG_RAW);
break;
}
SL_LOGV("Audio Record format: %dch(0x%x), %dbit, %dKHz",
df_pcm->numChannels,
df_pcm->channelMask,
df_pcm->bitsPerSample,
df_pcm->samplesPerSec / 1000000);
// note that df_pcm->channelMask has already been validated during object creation.
audio_channel_mask_t channelMask = sles_to_audio_input_channel_mask(df_pcm->channelMask);
// To maintain backward compatibility with previous releases, ignore
// channel masks that are not indexed.
if (channelMask == AUDIO_CHANNEL_INVALID
|| audio_channel_mask_get_representation(channelMask)
== AUDIO_CHANNEL_REPRESENTATION_POSITION) {
channelMask = audio_channel_in_mask_from_count(df_pcm->numChannels);
SL_LOGI("Emulating old channel mask behavior "
"(ignoring positional mask %#x, using default mask %#x based on "
"channel count of %d)", df_pcm->channelMask, channelMask,
df_pcm->numChannels);
}
SL_LOGV("SLES channel mask %#x converted to Android mask %#x", df_pcm->channelMask, channelMask);
// initialize platform-specific CAudioRecorder fields
ar->mAudioRecord = new android::AudioRecord(
ar->mRecordSource, // source
sampleRate, // sample rate in Hertz
sles_to_android_sampleFormat(df_pcm), // format
channelMask, // channel mask
android::String16(), // app ops
0, // frameCount
audioRecorder_callback,// callback_t
(void*)ar, // user, callback data, here the AudioRecorder
0, // notificationFrames
AUDIO_SESSION_ALLOCATE,
android::AudioRecord::TRANSFER_CALLBACK,
// transfer type
policy); // audio_input_flags_t
android::status_t status = ar->mAudioRecord->initCheck();
if (android::NO_ERROR != status) {
SL_LOGE("android_audioRecorder_realize(%p) error creating AudioRecord object; status %d",
ar, status);
// FIXME should return a more specific result depending on status
result = SL_RESULT_CONTENT_UNSUPPORTED;
ar->mAudioRecord.clear();
return result;
}
// update performance mode according to actual flags granted to AudioRecord
checkAndSetPerformanceModePost(ar);
// If there is a JavaAudioRoutingProxy associated with this recorder, hook it up...
JNIEnv* j_env = NULL;
jclass clsAudioRecord = NULL;
jmethodID midRoutingProxy_connect = NULL;
if (ar->mAndroidConfiguration.mRoutingProxy != NULL &&
(j_env = android::AndroidRuntime::getJNIEnv()) != NULL &&
(clsAudioRecord = j_env->FindClass("android/media/AudioRecord")) != NULL &&
(midRoutingProxy_connect =
j_env->GetMethodID(clsAudioRecord, "deferred_connect", "(J)V")) != NULL) {
j_env->ExceptionClear();
j_env->CallVoidMethod(ar->mAndroidConfiguration.mRoutingProxy,
midRoutingProxy_connect,
ar->mAudioRecord.get());
if (j_env->ExceptionCheck()) {
SL_LOGE("Java exception releasing recorder routing object.");
result = SL_RESULT_INTERNAL_ERROR;
ar->mAudioRecord.clear();
return result;
}
}
if (ar->mPerformanceMode != ANDROID_PERFORMANCE_MODE_LATENCY) {
audio_session_t sessionId = ar->mAudioRecord->getSessionId();
// initialize AEC
effect_descriptor_t *descriptor = &ar->mAcousticEchoCancellation.mAECDescriptor;
if (memcmp(SL_IID_ANDROIDACOUSTICECHOCANCELLATION, &descriptor->type,
sizeof(effect_uuid_t)) == 0) {
if ((ar->mPerformanceMode != ANDROID_PERFORMANCE_MODE_LATENCY_EFFECTS) ||
(descriptor->flags & EFFECT_FLAG_HW_ACC_TUNNEL)) {
SL_LOGV("Need to initialize AEC for AudioRecorder=%p", ar);
android_aec_init(sessionId, &ar->mAcousticEchoCancellation);
}
}
// initialize AGC
descriptor = &ar->mAutomaticGainControl.mAGCDescriptor;
if (memcmp(SL_IID_ANDROIDAUTOMATICGAINCONTROL, &descriptor->type,
sizeof(effect_uuid_t)) == 0) {
if ((ar->mPerformanceMode != ANDROID_PERFORMANCE_MODE_LATENCY_EFFECTS) ||
(descriptor->flags & EFFECT_FLAG_HW_ACC_TUNNEL)) {
SL_LOGV("Need to initialize AGC for AudioRecorder=%p", ar);
android_agc_init(sessionId, &ar->mAutomaticGainControl);
}
}
// initialize NS
descriptor = &ar->mNoiseSuppression.mNSDescriptor;
if (memcmp(SL_IID_ANDROIDNOISESUPPRESSION, &descriptor->type,
sizeof(effect_uuid_t)) == 0) {
if ((ar->mPerformanceMode != ANDROID_PERFORMANCE_MODE_LATENCY_EFFECTS) ||
(descriptor->flags & EFFECT_FLAG_HW_ACC_TUNNEL)) {
SL_LOGV("Need to initialize NS for AudioRecorder=%p", ar);
android_ns_init(sessionId, &ar->mNoiseSuppression);
}
}
}
return result;
}
