summaryrefslogtreecommitdiffstats
path: root/media
diff options
context:
space:
mode:
Diffstat (limited to 'media')
-rw-r--r--media/libmedia/AudioEffect.cpp9
-rw-r--r--media/libmedia/IAudioPolicyService.cpp49
2 files changed, 58 insertions, 0 deletions
diff --git a/media/libmedia/AudioEffect.cpp b/media/libmedia/AudioEffect.cpp
index 3919551..0633744 100644
--- a/media/libmedia/AudioEffect.cpp
+++ b/media/libmedia/AudioEffect.cpp
@@ -419,6 +419,15 @@ status_t AudioEffect::getEffectDescriptor(effect_uuid_t *uuid, effect_descriptor
return af->getEffectDescriptor(uuid, descriptor);
}
+
+status_t AudioEffect::queryDefaultPreProcessing(int audioSession,
+ effect_descriptor_t *descriptors,
+ uint32_t *count)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return PERMISSION_DENIED;
+ return aps->queryDefaultPreProcessing(audioSession, descriptors, count);
+}
// -------------------------------------------------------------------------
status_t AudioEffect::stringToGuid(const char *str, effect_uuid_t *guid)
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 49d410f..15f4be0 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -53,6 +53,7 @@ enum {
UNREGISTER_EFFECT,
IS_STREAM_ACTIVE,
GET_DEVICES_FOR_STREAM,
+ QUERY_DEFAULT_PRE_PROCESSING
};
class BpAudioPolicyService : public BpInterface<IAudioPolicyService>
@@ -321,6 +322,31 @@ public:
remote()->transact(IS_STREAM_ACTIVE, data, &reply);
return reply.readInt32();
}
+
+ virtual status_t queryDefaultPreProcessing(int audioSession,
+ effect_descriptor_t *descriptors,
+ uint32_t *count)
+ {
+ if (descriptors == NULL || count == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ data.writeInt32(audioSession);
+ data.writeInt32(*count);
+ status_t status = remote()->transact(QUERY_DEFAULT_PRE_PROCESSING, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = static_cast <status_t> (reply.readInt32());
+ uint32_t retCount = reply.readInt32();
+ if (retCount != 0) {
+ uint32_t numDesc = (retCount < *count) ? retCount : *count;
+ reply.read(descriptors, sizeof(effect_descriptor_t) * numDesc);
+ }
+ *count = retCount;
+ return status;
+ }
};
IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
@@ -559,6 +585,29 @@ status_t BnAudioPolicyService::onTransact(
return NO_ERROR;
} break;
+ case QUERY_DEFAULT_PRE_PROCESSING: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ int audioSession = data.readInt32();
+ uint32_t count = data.readInt32();
+ uint32_t retCount = count;
+ effect_descriptor_t *descriptors =
+ (effect_descriptor_t *)new char[count * sizeof(effect_descriptor_t)];
+ status_t status = queryDefaultPreProcessing(audioSession, descriptors, &retCount);
+ reply->writeInt32(status);
+ if (status != NO_ERROR && status != NO_MEMORY) {
+ retCount = 0;
+ }
+ reply->writeInt32(retCount);
+ if (retCount) {
+ if (retCount < count) {
+ count = retCount;
+ }
+ reply->write(descriptors, sizeof(effect_descriptor_t) * count);
+ }
+ delete[] descriptors;
+ return status;
+ }
+
default:
return BBinder::onTransact(code, data, reply, flags);
}