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Diffstat (limited to 'media/libmedia/IAudioFlinger.cpp')
-rw-r--r--media/libmedia/IAudioFlinger.cpp260
1 files changed, 257 insertions, 3 deletions
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index 47bcc12..f2a8db3 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -62,7 +62,14 @@ enum {
SET_STREAM_OUTPUT,
SET_VOICE_VOLUME,
GET_RENDER_POSITION,
- GET_INPUT_FRAMES_LOST
+ GET_INPUT_FRAMES_LOST,
+ NEW_AUDIO_SESSION_ID,
+ LOAD_EFFECT_LIBRARY,
+ UNLOAD_EFFECT_LIBRARY,
+ QUERY_NUM_EFFECTS,
+ QUERY_NEXT_EFFECT,
+ GET_EFFECT_DESCRIPTOR,
+ CREATE_EFFECT
};
class BpAudioFlinger : public BpInterface<IAudioFlinger>
@@ -83,6 +90,7 @@ public:
uint32_t flags,
const sp<IMemory>& sharedBuffer,
int output,
+ int *sessionId,
status_t *status)
{
Parcel data, reply;
@@ -97,10 +105,19 @@ public:
data.writeInt32(flags);
data.writeStrongBinder(sharedBuffer->asBinder());
data.writeInt32(output);
+ int lSessionId = 0;
+ if (sessionId != NULL) {
+ lSessionId = *sessionId;
+ }
+ data.writeInt32(lSessionId);
status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("createTrack error: %s", strerror(-lStatus));
} else {
+ lSessionId = reply.readInt32();
+ if (sessionId != NULL) {
+ *sessionId = lSessionId;
+ }
lStatus = reply.readInt32();
track = interface_cast<IAudioTrack>(reply.readStrongBinder());
}
@@ -118,6 +135,7 @@ public:
int channelCount,
int frameCount,
uint32_t flags,
+ int *sessionId,
status_t *status)
{
Parcel data, reply;
@@ -130,10 +148,19 @@ public:
data.writeInt32(channelCount);
data.writeInt32(frameCount);
data.writeInt32(flags);
+ int lSessionId = 0;
+ if (sessionId != NULL) {
+ lSessionId = *sessionId;
+ }
+ data.writeInt32(lSessionId);
status_t lStatus = remote()->transact(OPEN_RECORD, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("openRecord error: %s", strerror(-lStatus));
} else {
+ lSessionId = reply.readInt32();
+ if (sessionId != NULL) {
+ *sessionId = lSessionId;
+ }
lStatus = reply.readInt32();
record = interface_cast<IAudioRecord>(reply.readStrongBinder());
}
@@ -497,6 +524,157 @@ public:
remote()->transact(GET_INPUT_FRAMES_LOST, data, &reply);
return reply.readInt32();
}
+
+ virtual int newAudioSessionId()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ status_t status = remote()->transact(NEW_AUDIO_SESSION_ID, data, &reply);
+ int id = 0;
+ if (status == NO_ERROR) {
+ id = reply.readInt32();
+ }
+ return id;
+ }
+
+ virtual status_t loadEffectLibrary(const char *libPath, int *handle)
+ {
+ if (libPath == NULL || handle == NULL) {
+ return BAD_VALUE;
+ }
+ *handle = 0;
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.writeCString(libPath);
+ status_t status = remote()->transact(LOAD_EFFECT_LIBRARY, data, &reply);
+ if (status == NO_ERROR) {
+ status = reply.readInt32();
+ if (status == NO_ERROR) {
+ *handle = reply.readInt32();
+ }
+ }
+ return status;
+ }
+
+ virtual status_t unloadEffectLibrary(int handle)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.writeInt32(handle);
+ status_t status = remote()->transact(UNLOAD_EFFECT_LIBRARY, data, &reply);
+ if (status == NO_ERROR) {
+ status = reply.readInt32();
+ }
+ return status;
+ }
+
+ virtual status_t queryNumberEffects(uint32_t *numEffects)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ status_t status = remote()->transact(QUERY_NUM_EFFECTS, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = reply.readInt32();
+ if (status != NO_ERROR) {
+ return status;
+ }
+ if (numEffects) {
+ *numEffects = (uint32_t)reply.readInt32();
+ }
+ return NO_ERROR;
+ }
+
+ virtual status_t queryNextEffect(effect_descriptor_t *pDescriptor)
+ {
+ if (pDescriptor == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ status_t status = remote()->transact(QUERY_NEXT_EFFECT, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = reply.readInt32();
+ if (status != NO_ERROR) {
+ return status;
+ }
+ reply.read(pDescriptor, sizeof(effect_descriptor_t));
+ return NO_ERROR;
+ }
+
+ virtual status_t getEffectDescriptor(effect_uuid_t *pUuid, effect_descriptor_t *pDescriptor)
+ {
+ if (pUuid == NULL || pDescriptor == NULL) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.write(pUuid, sizeof(effect_uuid_t));
+ status_t status = remote()->transact(GET_EFFECT_DESCRIPTOR, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = reply.readInt32();
+ if (status != NO_ERROR) {
+ return status;
+ }
+ reply.read(pDescriptor, sizeof(effect_descriptor_t));
+ return NO_ERROR;
+ }
+
+ virtual sp<IEffect> createEffect(pid_t pid,
+ effect_descriptor_t *pDesc,
+ const sp<IEffectClient>& client,
+ int32_t priority,
+ int output,
+ int sessionId,
+ status_t *status,
+ int *id,
+ int *enabled)
+ {
+ Parcel data, reply;
+ sp<IEffect> effect;
+
+ if (pDesc == NULL) {
+ return effect;
+ if (status) {
+ *status = BAD_VALUE;
+ }
+ }
+
+ data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+ data.writeInt32(pid);
+ data.write(pDesc, sizeof(effect_descriptor_t));
+ data.writeStrongBinder(client->asBinder());
+ data.writeInt32(priority);
+ data.writeInt32(output);
+ data.writeInt32(sessionId);
+
+ status_t lStatus = remote()->transact(CREATE_EFFECT, data, &reply);
+ if (lStatus != NO_ERROR) {
+ LOGE("createEffect error: %s", strerror(-lStatus));
+ } else {
+ lStatus = reply.readInt32();
+ int tmp = reply.readInt32();
+ if (id) {
+ *id = tmp;
+ }
+ tmp = reply.readInt32();
+ if (enabled) {
+ *enabled = tmp;
+ }
+ effect = interface_cast<IEffect>(reply.readStrongBinder());
+ reply.read(pDesc, sizeof(effect_descriptor_t));
+ }
+ if (status) {
+ *status = lStatus;
+ }
+
+ return effect;
+ }
};
IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
@@ -518,10 +696,12 @@ status_t BnAudioFlinger::onTransact(
uint32_t flags = data.readInt32();
sp<IMemory> buffer = interface_cast<IMemory>(data.readStrongBinder());
int output = data.readInt32();
+ int sessionId = data.readInt32();
status_t status;
sp<IAudioTrack> track = createTrack(pid,
streamType, sampleRate, format,
- channelCount, bufferCount, flags, buffer, output, &status);
+ channelCount, bufferCount, flags, buffer, output, &sessionId, &status);
+ reply->writeInt32(sessionId);
reply->writeInt32(status);
reply->writeStrongBinder(track->asBinder());
return NO_ERROR;
@@ -535,9 +715,11 @@ status_t BnAudioFlinger::onTransact(
int channelCount = data.readInt32();
size_t bufferCount = data.readInt32();
uint32_t flags = data.readInt32();
+ int sessionId = data.readInt32();
status_t status;
sp<IAudioRecord> record = openRecord(pid, input,
- sampleRate, format, channelCount, bufferCount, flags, &status);
+ sampleRate, format, channelCount, bufferCount, flags, &sessionId, &status);
+ reply->writeInt32(sessionId);
reply->writeInt32(status);
reply->writeStrongBinder(record->asBinder());
return NO_ERROR;
@@ -768,7 +950,79 @@ status_t BnAudioFlinger::onTransact(
reply->writeInt32(getInputFramesLost(ioHandle));
return NO_ERROR;
} break;
+ case NEW_AUDIO_SESSION_ID: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ reply->writeInt32(newAudioSessionId());
+ return NO_ERROR;
+ } break;
+ case LOAD_EFFECT_LIBRARY: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ int handle;
+ status_t status = loadEffectLibrary(data.readCString(), &handle);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->writeInt32(handle);
+ }
+ return NO_ERROR;
+ }
+ case UNLOAD_EFFECT_LIBRARY: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ reply->writeInt32(unloadEffectLibrary(data.readInt32()));
+ return NO_ERROR;
+ }
+ case QUERY_NUM_EFFECTS: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ uint32_t numEffects;
+ status_t status = queryNumberEffects(&numEffects);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->writeInt32((int32_t)numEffects);
+ }
+ return NO_ERROR;
+ }
+ case QUERY_NEXT_EFFECT: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ effect_descriptor_t desc;
+ status_t status = queryNextEffect(&desc);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->write(&desc, sizeof(effect_descriptor_t));
+ }
+ return NO_ERROR;
+ }
+ case GET_EFFECT_DESCRIPTOR: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ effect_uuid_t uuid;
+ data.read(&uuid, sizeof(effect_uuid_t));
+ effect_descriptor_t desc;
+ status_t status = getEffectDescriptor(&uuid, &desc);
+ reply->writeInt32(status);
+ if (status == NO_ERROR) {
+ reply->write(&desc, sizeof(effect_descriptor_t));
+ }
+ return NO_ERROR;
+ }
+ case CREATE_EFFECT: {
+ CHECK_INTERFACE(IAudioFlinger, data, reply);
+ pid_t pid = data.readInt32();
+ effect_descriptor_t desc;
+ data.read(&desc, sizeof(effect_descriptor_t));
+ sp<IEffectClient> client = interface_cast<IEffectClient>(data.readStrongBinder());
+ int32_t priority = data.readInt32();
+ int output = data.readInt32();
+ int sessionId = data.readInt32();
+ status_t status;
+ int id;
+ int enabled;
+ sp<IEffect> effect = createEffect(pid, &desc, client, priority, output, sessionId, &status, &id, &enabled);
+ reply->writeInt32(status);
+ reply->writeInt32(id);
+ reply->writeInt32(enabled);
+ reply->writeStrongBinder(effect->asBinder());
+ reply->write(&desc, sizeof(effect_descriptor_t));
+ return NO_ERROR;
+ } break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
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