AudioEffect: add device descriptor to AudioEffect constructor
Add the possibility to specify a target audio device when
creating an audio effect by passing its type and address to
AudioEffect constructor.
When doing so, the session ID must be AUDIO_SESSION_DEVICE.
Bug: 136294538
Test: make
Change-Id: I2a2eba340d3c2537285c091e9a53f305ff161a2b
Merged-In: I2a2eba340d3c2537285c091e9a53f305ff161a2b
diff --git a/media/libaudioclient/AudioEffect.cpp b/media/libaudioclient/AudioEffect.cpp
index 397ac8d..28190ea 100644
--- a/media/libaudioclient/AudioEffect.cpp
+++ b/media/libaudioclient/AudioEffect.cpp
@@ -48,12 +48,13 @@
effect_callback_t cbf,
void* user,
audio_session_t sessionId,
- audio_io_handle_t io
+ audio_io_handle_t io,
+ const AudioDeviceTypeAddr& device
)
: mStatus(NO_INIT), mOpPackageName(opPackageName)
{
AutoMutex lock(mConstructLock);
- mStatus = set(type, uuid, priority, cbf, user, sessionId, io);
+ mStatus = set(type, uuid, priority, cbf, user, sessionId, io, device);
}
AudioEffect::AudioEffect(const char *typeStr,
@@ -63,7 +64,8 @@
effect_callback_t cbf,
void* user,
audio_session_t sessionId,
- audio_io_handle_t io
+ audio_io_handle_t io,
+ const AudioDeviceTypeAddr& device
)
: mStatus(NO_INIT), mOpPackageName(opPackageName)
{
@@ -87,7 +89,7 @@
}
AutoMutex lock(mConstructLock);
- mStatus = set(pType, pUuid, priority, cbf, user, sessionId, io);
+ mStatus = set(pType, pUuid, priority, cbf, user, sessionId, io, device);
}
status_t AudioEffect::set(const effect_uuid_t *type,
@@ -96,7 +98,8 @@
effect_callback_t cbf,
void* user,
audio_session_t sessionId,
- audio_io_handle_t io)
+ audio_io_handle_t io,
+ const AudioDeviceTypeAddr& device)
{
sp<IEffect> iEffect;
sp<IMemory> cblk;
@@ -109,6 +112,10 @@
return INVALID_OPERATION;
}
+ if (sessionId == AUDIO_SESSION_DEVICE && io != AUDIO_IO_HANDLE_NONE) {
+ ALOGW("IO handle should not be specified for device effect");
+ return BAD_VALUE;
+ }
const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger();
if (audioFlinger == 0) {
ALOGE("set(): Could not get audioflinger");
@@ -133,7 +140,7 @@
mClientPid = IPCThreadState::self()->getCallingPid();
iEffect = audioFlinger->createEffect((effect_descriptor_t *)&mDescriptor,
- mIEffectClient, priority, io, mSessionId, mOpPackageName, mClientPid,
+ mIEffectClient, priority, io, mSessionId, device, mOpPackageName, mClientPid,
&mStatus, &mId, &enabled);
if (iEffect == 0 || (mStatus != NO_ERROR && mStatus != ALREADY_EXISTS)) {
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index 90783eb..3f8b52b 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -658,6 +658,7 @@
int32_t priority,
audio_io_handle_t output,
audio_session_t sessionId,
+ const AudioDeviceTypeAddr& device,
const String16& opPackageName,
pid_t pid,
status_t *status,
@@ -666,12 +667,11 @@
{
Parcel data, reply;
sp<IEffect> effect;
-
if (pDesc == NULL) {
if (status != NULL) {
*status = BAD_VALUE;
}
- return effect;
+ return nullptr;
}
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
@@ -680,6 +680,12 @@
data.writeInt32(priority);
data.writeInt32((int32_t) output);
data.writeInt32(sessionId);
+ if (data.writeParcelable(device) != NO_ERROR) {
+ if (status != NULL) {
+ *status = NO_INIT;
+ }
+ return nullptr;
+ }
data.writeString16(opPackageName);
data.writeInt32((int32_t) pid);
@@ -1378,14 +1384,18 @@
int32_t priority = data.readInt32();
audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
audio_session_t sessionId = (audio_session_t) data.readInt32();
+ AudioDeviceTypeAddr device;
+ status_t status = NO_ERROR;
+ if ((status = data.readParcelable(&device)) != NO_ERROR) {
+ return status;
+ }
const String16 opPackageName = data.readString16();
pid_t pid = (pid_t)data.readInt32();
- status_t status = NO_ERROR;
int id = 0;
int enabled = 0;
- sp<IEffect> effect = createEffect(&desc, client, priority, output, sessionId,
+ sp<IEffect> effect = createEffect(&desc, client, priority, output, sessionId, device,
opPackageName, pid, &status, &id, &enabled);
reply->writeInt32(status);
reply->writeInt32(id);
diff --git a/media/libaudioclient/include/media/AudioEffect.h b/media/libaudioclient/include/media/AudioEffect.h
index 6bd4137..f17d737 100644
--- a/media/libaudioclient/include/media/AudioEffect.h
+++ b/media/libaudioclient/include/media/AudioEffect.h
@@ -362,17 +362,21 @@
* (AudioTrack or MediaPLayer) within the same audio session.
* io: HAL audio output or input stream to which this effect must be attached. Leave at 0 for
* automatic output selection by AudioFlinger.
+ * device: An audio device descriptor. Only used when "sessionID" is AUDIO_SESSION_DEVICE.
+ * Specifies the audio device type and address the effect must be attached to.
+ * If "sessionID" is AUDIO_SESSION_DEVICE then "io" must be AUDIO_IO_HANDLE_NONE.
*/
AudioEffect(const effect_uuid_t *type,
const String16& opPackageName,
const effect_uuid_t *uuid = NULL,
- int32_t priority = 0,
- effect_callback_t cbf = NULL,
- void* user = NULL,
- audio_session_t sessionId = AUDIO_SESSION_OUTPUT_MIX,
- audio_io_handle_t io = AUDIO_IO_HANDLE_NONE
- );
+ int32_t priority = 0,
+ effect_callback_t cbf = NULL,
+ void* user = NULL,
+ audio_session_t sessionId = AUDIO_SESSION_OUTPUT_MIX,
+ audio_io_handle_t io = AUDIO_IO_HANDLE_NONE,
+ const AudioDeviceTypeAddr& device = {}
+ );
/* Constructor.
* Same as above but with type and uuid specified by character strings
@@ -384,7 +388,8 @@
effect_callback_t cbf = NULL,
void* user = NULL,
audio_session_t sessionId = AUDIO_SESSION_OUTPUT_MIX,
- audio_io_handle_t io = AUDIO_IO_HANDLE_NONE
+ audio_io_handle_t io = AUDIO_IO_HANDLE_NONE,
+ const AudioDeviceTypeAddr& device = {}
);
/* Terminates the AudioEffect and unregisters it from AudioFlinger.
@@ -406,7 +411,8 @@
effect_callback_t cbf = NULL,
void* user = NULL,
audio_session_t sessionId = AUDIO_SESSION_OUTPUT_MIX,
- audio_io_handle_t io = AUDIO_IO_HANDLE_NONE
+ audio_io_handle_t io = AUDIO_IO_HANDLE_NONE,
+ const AudioDeviceTypeAddr& device = {}
);
/* Result of constructing the AudioEffect. This must be checked
diff --git a/media/libaudioclient/include/media/IAudioFlinger.h b/media/libaudioclient/include/media/IAudioFlinger.h
index 8e8a1f5..1c35ff0 100644
--- a/media/libaudioclient/include/media/IAudioFlinger.h
+++ b/media/libaudioclient/include/media/IAudioFlinger.h
@@ -453,6 +453,7 @@
// AudioFlinger doesn't take over handle reference from client
audio_io_handle_t output,
audio_session_t sessionId,
+ const AudioDeviceTypeAddr& device,
const String16& callingPackage,
pid_t pid,
status_t *status,