blob: e3e64afeadf3043dff9e9025795a0596d0114fb1 [file] [log] [blame]
/*
**
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "IAudioFlinger"
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <stdint.h>
#include <sys/types.h>
#include <binder/IPCThreadState.h>
#include <binder/Parcel.h>
#include <mediautils/ServiceUtilities.h>
#include <mediautils/TimeCheck.h>
#include "IAudioFlinger.h"
namespace android {
enum {
CREATE_TRACK = IBinder::FIRST_CALL_TRANSACTION,
CREATE_RECORD,
SAMPLE_RATE,
RESERVED, // obsolete, was CHANNEL_COUNT
FORMAT,
FRAME_COUNT,
LATENCY,
SET_MASTER_VOLUME,
SET_MASTER_MUTE,
MASTER_VOLUME,
MASTER_MUTE,
SET_STREAM_VOLUME,
SET_STREAM_MUTE,
STREAM_VOLUME,
STREAM_MUTE,
SET_MODE,
SET_MIC_MUTE,
GET_MIC_MUTE,
SET_RECORD_SILENCED,
SET_PARAMETERS,
GET_PARAMETERS,
REGISTER_CLIENT,
GET_INPUTBUFFERSIZE,
OPEN_OUTPUT,
OPEN_DUPLICATE_OUTPUT,
CLOSE_OUTPUT,
SUSPEND_OUTPUT,
RESTORE_OUTPUT,
OPEN_INPUT,
CLOSE_INPUT,
INVALIDATE_STREAM,
SET_VOICE_VOLUME,
GET_RENDER_POSITION,
GET_INPUT_FRAMES_LOST,
NEW_AUDIO_UNIQUE_ID,
ACQUIRE_AUDIO_SESSION_ID,
RELEASE_AUDIO_SESSION_ID,
QUERY_NUM_EFFECTS,
QUERY_EFFECT,
GET_EFFECT_DESCRIPTOR,
CREATE_EFFECT,
MOVE_EFFECTS,
LOAD_HW_MODULE,
GET_PRIMARY_OUTPUT_SAMPLING_RATE,
GET_PRIMARY_OUTPUT_FRAME_COUNT,
SET_LOW_RAM_DEVICE,
LIST_AUDIO_PORTS,
GET_AUDIO_PORT,
CREATE_AUDIO_PATCH,
RELEASE_AUDIO_PATCH,
LIST_AUDIO_PATCHES,
SET_AUDIO_PORT_CONFIG,
GET_AUDIO_HW_SYNC_FOR_SESSION,
SYSTEM_READY,
FRAME_COUNT_HAL,
GET_MICROPHONES,
SET_MASTER_BALANCE,
GET_MASTER_BALANCE,
SET_EFFECT_SUSPENDED,
};
#define MAX_ITEMS_PER_LIST 1024
class BpAudioFlinger : public BpInterface<IAudioFlinger>
{
public:
explicit BpAudioFlinger(const sp<IBinder>& impl)
: BpInterface<IAudioFlinger>(impl)
{
}
virtual sp<IAudioTrack> createTrack(const CreateTrackInput& input,
CreateTrackOutput& output,
status_t *status)
{
Parcel data, reply;
sp<IAudioTrack> track;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
if (status == nullptr) {
return track;
}
input.writeToParcel(&data);
status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply);
if (lStatus != NO_ERROR) {
ALOGE("createTrack transaction error %d", lStatus);
*status = DEAD_OBJECT;
return track;
}
*status = reply.readInt32();
if (*status != NO_ERROR) {
ALOGE("createTrack returned error %d", *status);
return track;
}
track = interface_cast<IAudioTrack>(reply.readStrongBinder());
if (track == 0) {
ALOGE("createTrack returned an NULL IAudioTrack with status OK");
*status = DEAD_OBJECT;
return track;
}
output.readFromParcel(&reply);
return track;
}
virtual sp<media::IAudioRecord> createRecord(const CreateRecordInput& input,
CreateRecordOutput& output,
status_t *status)
{
Parcel data, reply;
sp<media::IAudioRecord> record;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
if (status == nullptr) {
return record;
}
input.writeToParcel(&data);
status_t lStatus = remote()->transact(CREATE_RECORD, data, &reply);
if (lStatus != NO_ERROR) {
ALOGE("createRecord transaction error %d", lStatus);
*status = DEAD_OBJECT;
return record;
}
*status = reply.readInt32();
if (*status != NO_ERROR) {
ALOGE("createRecord returned error %d", *status);
return record;
}
record = interface_cast<media::IAudioRecord>(reply.readStrongBinder());
if (record == 0) {
ALOGE("createRecord returned a NULL IAudioRecord with status OK");
*status = DEAD_OBJECT;
return record;
}
output.readFromParcel(&reply);
return record;
}
virtual uint32_t sampleRate(audio_io_handle_t ioHandle) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) ioHandle);
remote()->transact(SAMPLE_RATE, data, &reply);
return reply.readInt32();
}
// RESERVED for channelCount()
virtual audio_format_t format(audio_io_handle_t output) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output);
remote()->transact(FORMAT, data, &reply);
return (audio_format_t) reply.readInt32();
}
virtual size_t frameCount(audio_io_handle_t ioHandle) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) ioHandle);
remote()->transact(FRAME_COUNT, data, &reply);
return reply.readInt64();
}
virtual uint32_t latency(audio_io_handle_t output) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output);
remote()->transact(LATENCY, data, &reply);
return reply.readInt32();
}
virtual status_t setMasterVolume(float value)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeFloat(value);
remote()->transact(SET_MASTER_VOLUME, data, &reply);
return reply.readInt32();
}
virtual status_t setMasterMute(bool muted)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(muted);
remote()->transact(SET_MASTER_MUTE, data, &reply);
return reply.readInt32();
}
virtual float masterVolume() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(MASTER_VOLUME, data, &reply);
return reply.readFloat();
}
virtual bool masterMute() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(MASTER_MUTE, data, &reply);
return reply.readInt32();
}
status_t setMasterBalance(float balance) override
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeFloat(balance);
status_t status = remote()->transact(SET_MASTER_BALANCE, data, &reply);
if (status != NO_ERROR) {
return status;
}
return reply.readInt32();
}
status_t getMasterBalance(float *balance) const override
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
status_t status = remote()->transact(GET_MASTER_BALANCE, data, &reply);
if (status != NO_ERROR) {
return status;
}
status = (status_t)reply.readInt32();
if (status != NO_ERROR) {
return status;
}
*balance = reply.readFloat();
return NO_ERROR;
}
virtual status_t setStreamVolume(audio_stream_type_t stream, float value,
audio_io_handle_t output)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) stream);
data.writeFloat(value);
data.writeInt32((int32_t) output);
remote()->transact(SET_STREAM_VOLUME, data, &reply);
return reply.readInt32();
}
virtual status_t setStreamMute(audio_stream_type_t stream, bool muted)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) stream);
data.writeInt32(muted);
remote()->transact(SET_STREAM_MUTE, data, &reply);
return reply.readInt32();
}
virtual float streamVolume(audio_stream_type_t stream, audio_io_handle_t output) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) stream);
data.writeInt32((int32_t) output);
remote()->transact(STREAM_VOLUME, data, &reply);
return reply.readFloat();
}
virtual bool streamMute(audio_stream_type_t stream) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) stream);
remote()->transact(STREAM_MUTE, data, &reply);
return reply.readInt32();
}
virtual status_t setMode(audio_mode_t mode)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(mode);
remote()->transact(SET_MODE, data, &reply);
return reply.readInt32();
}
virtual status_t setMicMute(bool state)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(state);
remote()->transact(SET_MIC_MUTE, data, &reply);
return reply.readInt32();
}
virtual bool getMicMute() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(GET_MIC_MUTE, data, &reply);
return reply.readInt32();
}
virtual void setRecordSilenced(uid_t uid, bool silenced)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(uid);
data.writeInt32(silenced ? 1 : 0);
remote()->transact(SET_RECORD_SILENCED, data, &reply);
}
virtual status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) ioHandle);
data.writeString8(keyValuePairs);
remote()->transact(SET_PARAMETERS, data, &reply);
return reply.readInt32();
}
virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) ioHandle);
data.writeString8(keys);
remote()->transact(GET_PARAMETERS, data, &reply);
return reply.readString8();
}
virtual void registerClient(const sp<IAudioFlingerClient>& client)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeStrongBinder(IInterface::asBinder(client));
remote()->transact(REGISTER_CLIENT, data, &reply);
}
virtual size_t getInputBufferSize(uint32_t sampleRate, audio_format_t format,
audio_channel_mask_t channelMask) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(sampleRate);
data.writeInt32(format);
data.writeInt32(channelMask);
remote()->transact(GET_INPUTBUFFERSIZE, data, &reply);
return reply.readInt64();
}
virtual status_t openOutput(audio_module_handle_t module,
audio_io_handle_t *output,
audio_config_t *config,
audio_devices_t *devices,
const String8& address,
uint32_t *latencyMs,
audio_output_flags_t flags)
{
if (output == NULL || config == NULL || devices == NULL || latencyMs == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(module);
data.write(config, sizeof(audio_config_t));
data.writeInt32(*devices);
data.writeString8(address);
data.writeInt32((int32_t) flags);
status_t status = remote()->transact(OPEN_OUTPUT, data, &reply);
if (status != NO_ERROR) {
*output = AUDIO_IO_HANDLE_NONE;
return status;
}
status = (status_t)reply.readInt32();
if (status != NO_ERROR) {
*output = AUDIO_IO_HANDLE_NONE;
return status;
}
*output = (audio_io_handle_t)reply.readInt32();
ALOGV("openOutput() returned output, %d", *output);
reply.read(config, sizeof(audio_config_t));
*devices = (audio_devices_t)reply.readInt32();
*latencyMs = reply.readInt32();
return NO_ERROR;
}
virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1,
audio_io_handle_t output2)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output1);
data.writeInt32((int32_t) output2);
remote()->transact(OPEN_DUPLICATE_OUTPUT, data, &reply);
return (audio_io_handle_t) reply.readInt32();
}
virtual status_t closeOutput(audio_io_handle_t output)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output);
remote()->transact(CLOSE_OUTPUT, data, &reply);
return reply.readInt32();
}
virtual status_t suspendOutput(audio_io_handle_t output)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output);
remote()->transact(SUSPEND_OUTPUT, data, &reply);
return reply.readInt32();
}
virtual status_t restoreOutput(audio_io_handle_t output)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output);
remote()->transact(RESTORE_OUTPUT, data, &reply);
return reply.readInt32();
}
virtual status_t openInput(audio_module_handle_t module,
audio_io_handle_t *input,
audio_config_t *config,
audio_devices_t *device,
const String8& address,
audio_source_t source,
audio_input_flags_t flags)
{
if (input == NULL || config == NULL || device == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(module);
data.writeInt32(*input);
data.write(config, sizeof(audio_config_t));
data.writeInt32(*device);
data.writeString8(address);
data.writeInt32(source);
data.writeInt32(flags);
status_t status = remote()->transact(OPEN_INPUT, data, &reply);
if (status != NO_ERROR) {
*input = AUDIO_IO_HANDLE_NONE;
return status;
}
status = (status_t)reply.readInt32();
if (status != NO_ERROR) {
*input = AUDIO_IO_HANDLE_NONE;
return status;
}
*input = (audio_io_handle_t)reply.readInt32();
reply.read(config, sizeof(audio_config_t));
*device = (audio_devices_t)reply.readInt32();
return NO_ERROR;
}
virtual status_t closeInput(int input)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(input);
remote()->transact(CLOSE_INPUT, data, &reply);
return reply.readInt32();
}
virtual status_t invalidateStream(audio_stream_type_t stream)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) stream);
remote()->transact(INVALIDATE_STREAM, data, &reply);
return reply.readInt32();
}
virtual status_t setVoiceVolume(float volume)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeFloat(volume);
remote()->transact(SET_VOICE_VOLUME, data, &reply);
return reply.readInt32();
}
virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames,
audio_io_handle_t output) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) output);
remote()->transact(GET_RENDER_POSITION, data, &reply);
status_t status = reply.readInt32();
if (status == NO_ERROR) {
uint32_t tmp = reply.readInt32();
if (halFrames != NULL) {
*halFrames = tmp;
}
tmp = reply.readInt32();
if (dspFrames != NULL) {
*dspFrames = tmp;
}
}
return status;
}
virtual uint32_t getInputFramesLost(audio_io_handle_t ioHandle) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) ioHandle);
status_t status = remote()->transact(GET_INPUT_FRAMES_LOST, data, &reply);
if (status != NO_ERROR) {
return 0;
}
return (uint32_t) reply.readInt32();
}
virtual audio_unique_id_t newAudioUniqueId(audio_unique_id_use_t use)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) use);
status_t status = remote()->transact(NEW_AUDIO_UNIQUE_ID, data, &reply);
audio_unique_id_t id = AUDIO_UNIQUE_ID_ALLOCATE;
if (status == NO_ERROR) {
id = reply.readInt32();
}
return id;
}
virtual void acquireAudioSessionId(audio_session_t audioSession, int pid)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(audioSession);
data.writeInt32(pid);
remote()->transact(ACQUIRE_AUDIO_SESSION_ID, data, &reply);
}
virtual void releaseAudioSessionId(audio_session_t audioSession, int pid)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(audioSession);
data.writeInt32(pid);
remote()->transact(RELEASE_AUDIO_SESSION_ID, data, &reply);
}
virtual status_t queryNumberEffects(uint32_t *numEffects) const
{
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 != NULL) {
*numEffects = (uint32_t)reply.readInt32();
}
return NO_ERROR;
}
virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor) const
{
if (pDescriptor == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(index);
status_t status = remote()->transact(QUERY_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(const effect_uuid_t *pUuid,
const effect_uuid_t *pType,
uint32_t preferredTypeFlag,
effect_descriptor_t *pDescriptor) const
{
if (pUuid == NULL || pType == NULL || pDescriptor == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.write(pUuid, sizeof(effect_uuid_t));
data.write(pType, sizeof(effect_uuid_t));
data.writeUint32(preferredTypeFlag);
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(
effect_descriptor_t *pDesc,
const sp<IEffectClient>& client,
int32_t priority,
audio_io_handle_t output,
audio_session_t sessionId,
const String16& opPackageName,
pid_t pid,
status_t *status,
int *id,
int *enabled)
{
Parcel data, reply;
sp<IEffect> effect;
if (pDesc == NULL) {
if (status != NULL) {
*status = BAD_VALUE;
}
return effect;
}
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.write(pDesc, sizeof(effect_descriptor_t));
data.writeStrongBinder(IInterface::asBinder(client));
data.writeInt32(priority);
data.writeInt32((int32_t) output);
data.writeInt32(sessionId);
data.writeString16(opPackageName);
data.writeInt32((int32_t) pid);
status_t lStatus = remote()->transact(CREATE_EFFECT, data, &reply);
if (lStatus != NO_ERROR) {
ALOGE("createEffect error: %s", strerror(-lStatus));
} else {
lStatus = reply.readInt32();
int tmp = reply.readInt32();
if (id != NULL) {
*id = tmp;
}
tmp = reply.readInt32();
if (enabled != NULL) {
*enabled = tmp;
}
effect = interface_cast<IEffect>(reply.readStrongBinder());
reply.read(pDesc, sizeof(effect_descriptor_t));
}
if (status != NULL) {
*status = lStatus;
}
return effect;
}
virtual status_t moveEffects(audio_session_t session, audio_io_handle_t srcOutput,
audio_io_handle_t dstOutput)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(session);
data.writeInt32((int32_t) srcOutput);
data.writeInt32((int32_t) dstOutput);
remote()->transact(MOVE_EFFECTS, data, &reply);
return reply.readInt32();
}
virtual void setEffectSuspended(int effectId,
audio_session_t sessionId,
bool suspended)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(effectId);
data.writeInt32(sessionId);
data.writeInt32(suspended ? 1 : 0);
remote()->transact(SET_EFFECT_SUSPENDED, data, &reply);
}
virtual audio_module_handle_t loadHwModule(const char *name)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeCString(name);
remote()->transact(LOAD_HW_MODULE, data, &reply);
return (audio_module_handle_t) reply.readInt32();
}
virtual uint32_t getPrimaryOutputSamplingRate()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(GET_PRIMARY_OUTPUT_SAMPLING_RATE, data, &reply);
return reply.readInt32();
}
virtual size_t getPrimaryOutputFrameCount()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(GET_PRIMARY_OUTPUT_FRAME_COUNT, data, &reply);
return reply.readInt64();
}
virtual status_t setLowRamDevice(bool isLowRamDevice, int64_t totalMemory) override
{
Parcel data, reply;
static_assert(NO_ERROR == 0, "NO_ERROR must be 0");
return data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor())
?: data.writeInt32((int) isLowRamDevice)
?: data.writeInt64(totalMemory)
?: remote()->transact(SET_LOW_RAM_DEVICE, data, &reply)
?: reply.readInt32();
}
virtual status_t listAudioPorts(unsigned int *num_ports,
struct audio_port *ports)
{
if (num_ports == NULL || *num_ports == 0 || ports == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(*num_ports);
status_t status = remote()->transact(LIST_AUDIO_PORTS, data, &reply);
if (status != NO_ERROR ||
(status = (status_t)reply.readInt32()) != NO_ERROR) {
return status;
}
*num_ports = (unsigned int)reply.readInt32();
reply.read(ports, *num_ports * sizeof(struct audio_port));
return status;
}
virtual status_t getAudioPort(struct audio_port *port)
{
if (port == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.write(port, sizeof(struct audio_port));
status_t status = remote()->transact(GET_AUDIO_PORT, data, &reply);
if (status != NO_ERROR ||
(status = (status_t)reply.readInt32()) != NO_ERROR) {
return status;
}
reply.read(port, sizeof(struct audio_port));
return status;
}
virtual status_t createAudioPatch(const struct audio_patch *patch,
audio_patch_handle_t *handle)
{
if (patch == NULL || handle == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.write(patch, sizeof(struct audio_patch));
data.write(handle, sizeof(audio_patch_handle_t));
status_t status = remote()->transact(CREATE_AUDIO_PATCH, data, &reply);
if (status != NO_ERROR ||
(status = (status_t)reply.readInt32()) != NO_ERROR) {
return status;
}
reply.read(handle, sizeof(audio_patch_handle_t));
return status;
}
virtual status_t releaseAudioPatch(audio_patch_handle_t handle)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.write(&handle, sizeof(audio_patch_handle_t));
status_t status = remote()->transact(RELEASE_AUDIO_PATCH, data, &reply);
if (status != NO_ERROR) {
status = (status_t)reply.readInt32();
}
return status;
}
virtual status_t listAudioPatches(unsigned int *num_patches,
struct audio_patch *patches)
{
if (num_patches == NULL || *num_patches == 0 || patches == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(*num_patches);
status_t status = remote()->transact(LIST_AUDIO_PATCHES, data, &reply);
if (status != NO_ERROR ||
(status = (status_t)reply.readInt32()) != NO_ERROR) {
return status;
}
*num_patches = (unsigned int)reply.readInt32();
reply.read(patches, *num_patches * sizeof(struct audio_patch));
return status;
}
virtual status_t setAudioPortConfig(const struct audio_port_config *config)
{
if (config == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.write(config, sizeof(struct audio_port_config));
status_t status = remote()->transact(SET_AUDIO_PORT_CONFIG, data, &reply);
if (status != NO_ERROR) {
status = (status_t)reply.readInt32();
}
return status;
}
virtual audio_hw_sync_t getAudioHwSyncForSession(audio_session_t sessionId)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(sessionId);
status_t status = remote()->transact(GET_AUDIO_HW_SYNC_FOR_SESSION, data, &reply);
if (status != NO_ERROR) {
return AUDIO_HW_SYNC_INVALID;
}
return (audio_hw_sync_t)reply.readInt32();
}
virtual status_t systemReady()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
return remote()->transact(SYSTEM_READY, data, &reply, IBinder::FLAG_ONEWAY);
}
virtual size_t frameCountHAL(audio_io_handle_t ioHandle) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t) ioHandle);
status_t status = remote()->transact(FRAME_COUNT_HAL, data, &reply);
if (status != NO_ERROR) {
return 0;
}
return reply.readInt64();
}
virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
status_t status = remote()->transact(GET_MICROPHONES, data, &reply);
if (status != NO_ERROR ||
(status = (status_t)reply.readInt32()) != NO_ERROR) {
return status;
}
status = reply.readParcelableVector(microphones);
return status;
}
};
IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
// ----------------------------------------------------------------------
status_t BnAudioFlinger::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
// make sure transactions reserved to AudioPolicyManager do not come from other processes
switch (code) {
case SET_STREAM_VOLUME:
case SET_STREAM_MUTE:
case OPEN_OUTPUT:
case OPEN_DUPLICATE_OUTPUT:
case CLOSE_OUTPUT:
case SUSPEND_OUTPUT:
case RESTORE_OUTPUT:
case OPEN_INPUT:
case CLOSE_INPUT:
case INVALIDATE_STREAM:
case SET_VOICE_VOLUME:
case MOVE_EFFECTS:
case SET_EFFECT_SUSPENDED:
case LOAD_HW_MODULE:
case LIST_AUDIO_PORTS:
case GET_AUDIO_PORT:
case CREATE_AUDIO_PATCH:
case RELEASE_AUDIO_PATCH:
case LIST_AUDIO_PATCHES:
case SET_AUDIO_PORT_CONFIG:
case SET_RECORD_SILENCED:
ALOGW("%s: transaction %d received from PID %d",
__func__, code, IPCThreadState::self()->getCallingPid());
// return status only for non void methods
switch (code) {
case SET_RECORD_SILENCED:
case SET_EFFECT_SUSPENDED:
break;
default:
reply->writeInt32(static_cast<int32_t> (INVALID_OPERATION));
break;
}
return OK;
default:
break;
}
// make sure the following transactions come from system components
switch (code) {
case SET_MASTER_VOLUME:
case SET_MASTER_MUTE:
case SET_MODE:
case SET_MIC_MUTE:
case SET_LOW_RAM_DEVICE:
case SYSTEM_READY: {
if (!isServiceUid(IPCThreadState::self()->getCallingUid())) {
ALOGW("%s: transaction %d received from PID %d unauthorized UID %d",
__func__, code, IPCThreadState::self()->getCallingPid(),
IPCThreadState::self()->getCallingUid());
// return status only for non void methods
switch (code) {
case SYSTEM_READY:
break;
default:
reply->writeInt32(static_cast<int32_t> (INVALID_OPERATION));
break;
}
return OK;
}
} break;
default:
break;
}
// Whitelist of relevant events to trigger log merging.
// Log merging should activate during audio activity of any kind. This are considered the
// most relevant events.
// TODO should select more wisely the items from the list
switch (code) {
case CREATE_TRACK:
case CREATE_RECORD:
case SET_MASTER_VOLUME:
case SET_MASTER_MUTE:
case SET_MIC_MUTE:
case SET_PARAMETERS:
case CREATE_EFFECT:
case SYSTEM_READY: {
requestLogMerge();
break;
}
default:
break;
}
std::string tag("IAudioFlinger command " + std::to_string(code));
TimeCheck check(tag.c_str());
switch (code) {
case CREATE_TRACK: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
CreateTrackInput input;
if (input.readFromParcel((Parcel*)&data) != NO_ERROR) {
reply->writeInt32(DEAD_OBJECT);
return NO_ERROR;
}
status_t status;
CreateTrackOutput output;
sp<IAudioTrack> track= createTrack(input,
output,
&status);
LOG_ALWAYS_FATAL_IF((track != 0) != (status == NO_ERROR));
reply->writeInt32(status);
if (status != NO_ERROR) {
return NO_ERROR;
}
reply->writeStrongBinder(IInterface::asBinder(track));
output.writeToParcel(reply);
return NO_ERROR;
} break;
case CREATE_RECORD: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
CreateRecordInput input;
if (input.readFromParcel((Parcel*)&data) != NO_ERROR) {
reply->writeInt32(DEAD_OBJECT);
return NO_ERROR;
}
status_t status;
CreateRecordOutput output;
sp<media::IAudioRecord> record = createRecord(input,
output,
&status);
LOG_ALWAYS_FATAL_IF((record != 0) != (status == NO_ERROR));
reply->writeInt32(status);
if (status != NO_ERROR) {
return NO_ERROR;
}
reply->writeStrongBinder(IInterface::asBinder(record));
output.writeToParcel(reply);
return NO_ERROR;
} break;
case SAMPLE_RATE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( sampleRate((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
// RESERVED for channelCount()
case FORMAT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( format((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
case FRAME_COUNT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt64( frameCount((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
case LATENCY: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( latency((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
case SET_MASTER_VOLUME: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( setMasterVolume(data.readFloat()) );
return NO_ERROR;
} break;
case SET_MASTER_MUTE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( setMasterMute(data.readInt32()) );
return NO_ERROR;
} break;
case MASTER_VOLUME: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeFloat( masterVolume() );
return NO_ERROR;
} break;
case MASTER_MUTE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( masterMute() );
return NO_ERROR;
} break;
case SET_MASTER_BALANCE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( setMasterBalance(data.readFloat()) );
return NO_ERROR;
} break;
case GET_MASTER_BALANCE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
float f;
const status_t status = getMasterBalance(&f);
reply->writeInt32((int32_t)status);
if (status == NO_ERROR) {
(void)reply->writeFloat(f);
}
return NO_ERROR;
} break;
case SET_STREAM_VOLUME: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int stream = data.readInt32();
float volume = data.readFloat();
audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
reply->writeInt32( setStreamVolume((audio_stream_type_t) stream, volume, output) );
return NO_ERROR;
} break;
case SET_STREAM_MUTE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int stream = data.readInt32();
reply->writeInt32( setStreamMute((audio_stream_type_t) stream, data.readInt32()) );
return NO_ERROR;
} break;
case STREAM_VOLUME: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int stream = data.readInt32();
int output = data.readInt32();
reply->writeFloat( streamVolume((audio_stream_type_t) stream, output) );
return NO_ERROR;
} break;
case STREAM_MUTE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int stream = data.readInt32();
reply->writeInt32( streamMute((audio_stream_type_t) stream) );
return NO_ERROR;
} break;
case SET_MODE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_mode_t mode = (audio_mode_t) data.readInt32();
reply->writeInt32( setMode(mode) );
return NO_ERROR;
} break;
case SET_MIC_MUTE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int state = data.readInt32();
reply->writeInt32( setMicMute(state) );
return NO_ERROR;
} break;
case GET_MIC_MUTE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( getMicMute() );
return NO_ERROR;
} break;
case SET_RECORD_SILENCED: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
uid_t uid = data.readInt32();
audio_source_t source;
data.read(&source, sizeof(audio_source_t));
bool silenced = data.readInt32() == 1;
setRecordSilenced(uid, silenced);
return NO_ERROR;
} break;
case SET_PARAMETERS: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32();
String8 keyValuePairs(data.readString8());
reply->writeInt32(setParameters(ioHandle, keyValuePairs));
return NO_ERROR;
} break;
case GET_PARAMETERS: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32();
String8 keys(data.readString8());
reply->writeString8(getParameters(ioHandle, keys));
return NO_ERROR;
} break;
case REGISTER_CLIENT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient>(
data.readStrongBinder());
registerClient(client);
return NO_ERROR;
} break;
case GET_INPUTBUFFERSIZE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
uint32_t sampleRate = data.readInt32();
audio_format_t format = (audio_format_t) data.readInt32();
audio_channel_mask_t channelMask = data.readInt32();
reply->writeInt64( getInputBufferSize(sampleRate, format, channelMask) );
return NO_ERROR;
} break;
case OPEN_OUTPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_module_handle_t module = (audio_module_handle_t)data.readInt32();
audio_config_t config = {};
if (data.read(&config, sizeof(audio_config_t)) != NO_ERROR) {
ALOGE("b/23905951");
}
audio_devices_t devices = (audio_devices_t)data.readInt32();
String8 address(data.readString8());
audio_output_flags_t flags = (audio_output_flags_t) data.readInt32();
uint32_t latencyMs = 0;
audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
status_t status = openOutput(module, &output, &config,
&devices, address, &latencyMs, flags);
ALOGV("OPEN_OUTPUT output, %d", output);
reply->writeInt32((int32_t)status);
if (status == NO_ERROR) {
reply->writeInt32((int32_t)output);
reply->write(&config, sizeof(audio_config_t));
reply->writeInt32(devices);
reply->writeInt32(latencyMs);
}
return NO_ERROR;
} break;
case OPEN_DUPLICATE_OUTPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_io_handle_t output1 = (audio_io_handle_t) data.readInt32();
audio_io_handle_t output2 = (audio_io_handle_t) data.readInt32();
reply->writeInt32((int32_t) openDuplicateOutput(output1, output2));
return NO_ERROR;
} break;
case CLOSE_OUTPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(closeOutput((audio_io_handle_t) data.readInt32()));
return NO_ERROR;
} break;
case SUSPEND_OUTPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(suspendOutput((audio_io_handle_t) data.readInt32()));
return NO_ERROR;
} break;
case RESTORE_OUTPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(restoreOutput((audio_io_handle_t) data.readInt32()));
return NO_ERROR;
} break;
case OPEN_INPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_module_handle_t module = (audio_module_handle_t)data.readInt32();
audio_io_handle_t input = (audio_io_handle_t)data.readInt32();
audio_config_t config = {};
if (data.read(&config, sizeof(audio_config_t)) != NO_ERROR) {
ALOGE("b/23905951");
}
audio_devices_t device = (audio_devices_t)data.readInt32();
String8 address(data.readString8());
audio_source_t source = (audio_source_t)data.readInt32();
audio_input_flags_t flags = (audio_input_flags_t) data.readInt32();
status_t status = openInput(module, &input, &config,
&device, address, source, flags);
reply->writeInt32((int32_t) status);
if (status == NO_ERROR) {
reply->writeInt32((int32_t) input);
reply->write(&config, sizeof(audio_config_t));
reply->writeInt32(device);
}
return NO_ERROR;
} break;
case CLOSE_INPUT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(closeInput((audio_io_handle_t) data.readInt32()));
return NO_ERROR;
} break;
case INVALIDATE_STREAM: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_stream_type_t stream = (audio_stream_type_t) data.readInt32();
reply->writeInt32(invalidateStream(stream));
return NO_ERROR;
} break;
case SET_VOICE_VOLUME: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
float volume = data.readFloat();
reply->writeInt32( setVoiceVolume(volume) );
return NO_ERROR;
} break;
case GET_RENDER_POSITION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
uint32_t halFrames = 0;
uint32_t dspFrames = 0;
status_t status = getRenderPosition(&halFrames, &dspFrames, output);
reply->writeInt32(status);
if (status == NO_ERROR) {
reply->writeInt32(halFrames);
reply->writeInt32(dspFrames);
}
return NO_ERROR;
}
case GET_INPUT_FRAMES_LOST: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32();
reply->writeInt32((int32_t) getInputFramesLost(ioHandle));
return NO_ERROR;
} break;
case NEW_AUDIO_UNIQUE_ID: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(newAudioUniqueId((audio_unique_id_use_t) data.readInt32()));
return NO_ERROR;
} break;
case ACQUIRE_AUDIO_SESSION_ID: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_session_t audioSession = (audio_session_t) data.readInt32();
int pid = data.readInt32();
acquireAudioSessionId(audioSession, pid);
return NO_ERROR;
} break;
case RELEASE_AUDIO_SESSION_ID: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_session_t audioSession = (audio_session_t) data.readInt32();
int pid = data.readInt32();
releaseAudioSessionId(audioSession, pid);
return NO_ERROR;
} break;
case QUERY_NUM_EFFECTS: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
uint32_t numEffects = 0;
status_t status = queryNumberEffects(&numEffects);
reply->writeInt32(status);
if (status == NO_ERROR) {
reply->writeInt32((int32_t)numEffects);
}
return NO_ERROR;
}
case QUERY_EFFECT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
effect_descriptor_t desc = {};
status_t status = queryEffect(data.readInt32(), &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_uuid_t type;
data.read(&type, sizeof(effect_uuid_t));
uint32_t preferredTypeFlag = data.readUint32();
effect_descriptor_t desc = {};
status_t status = getEffectDescriptor(&uuid, &type, preferredTypeFlag, &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);
effect_descriptor_t desc = {};
if (data.read(&desc, sizeof(effect_descriptor_t)) != NO_ERROR) {
ALOGE("b/23905951");
}
sp<IEffectClient> client = interface_cast<IEffectClient>(data.readStrongBinder());
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();
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,
opPackageName, pid, &status, &id, &enabled);
reply->writeInt32(status);
reply->writeInt32(id);
reply->writeInt32(enabled);
reply->writeStrongBinder(IInterface::asBinder(effect));
reply->write(&desc, sizeof(effect_descriptor_t));
return NO_ERROR;
} break;
case MOVE_EFFECTS: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_session_t session = (audio_session_t) data.readInt32();
audio_io_handle_t srcOutput = (audio_io_handle_t) data.readInt32();
audio_io_handle_t dstOutput = (audio_io_handle_t) data.readInt32();
reply->writeInt32(moveEffects(session, srcOutput, dstOutput));
return NO_ERROR;
} break;
case SET_EFFECT_SUSPENDED: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int effectId = data.readInt32();
audio_session_t sessionId = (audio_session_t) data.readInt32();
bool suspended = data.readInt32() == 1;
setEffectSuspended(effectId, sessionId, suspended);
return NO_ERROR;
} break;
case LOAD_HW_MODULE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(loadHwModule(data.readCString()));
return NO_ERROR;
} break;
case GET_PRIMARY_OUTPUT_SAMPLING_RATE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(getPrimaryOutputSamplingRate());
return NO_ERROR;
} break;
case GET_PRIMARY_OUTPUT_FRAME_COUNT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt64(getPrimaryOutputFrameCount());
return NO_ERROR;
} break;
case SET_LOW_RAM_DEVICE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int32_t isLowRamDevice;
int64_t totalMemory;
const status_t status =
data.readInt32(&isLowRamDevice) ?:
data.readInt64(&totalMemory) ?:
setLowRamDevice(isLowRamDevice != 0, totalMemory);
(void)reply->writeInt32(status);
return NO_ERROR;
} break;
case LIST_AUDIO_PORTS: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
unsigned int numPortsReq = data.readInt32();
if (numPortsReq > MAX_ITEMS_PER_LIST) {
numPortsReq = MAX_ITEMS_PER_LIST;
}
unsigned int numPorts = numPortsReq;
struct audio_port *ports =
(struct audio_port *)calloc(numPortsReq,
sizeof(struct audio_port));
if (ports == NULL) {
reply->writeInt32(NO_MEMORY);
reply->writeInt32(0);
return NO_ERROR;
}
status_t status = listAudioPorts(&numPorts, ports);
reply->writeInt32(status);
reply->writeInt32(numPorts);
if (status == NO_ERROR) {
if (numPortsReq > numPorts) {
numPortsReq = numPorts;
}
reply->write(ports, numPortsReq * sizeof(struct audio_port));
}
free(ports);
return NO_ERROR;
} break;
case GET_AUDIO_PORT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
struct audio_port port = {};
if (data.read(&port, sizeof(struct audio_port)) != NO_ERROR) {
ALOGE("b/23905951");
}
status_t status = getAudioPort(&port);
reply->writeInt32(status);
if (status == NO_ERROR) {
reply->write(&port, sizeof(struct audio_port));
}
return NO_ERROR;
} break;
case CREATE_AUDIO_PATCH: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
struct audio_patch patch;
data.read(&patch, sizeof(struct audio_patch));
audio_patch_handle_t handle = AUDIO_PATCH_HANDLE_NONE;
if (data.read(&handle, sizeof(audio_patch_handle_t)) != NO_ERROR) {
ALOGE("b/23905951");
}
status_t status = createAudioPatch(&patch, &handle);
reply->writeInt32(status);
if (status == NO_ERROR) {
reply->write(&handle, sizeof(audio_patch_handle_t));
}
return NO_ERROR;
} break;
case RELEASE_AUDIO_PATCH: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
audio_patch_handle_t handle;
data.read(&handle, sizeof(audio_patch_handle_t));
status_t status = releaseAudioPatch(handle);
reply->writeInt32(status);
return NO_ERROR;
} break;
case LIST_AUDIO_PATCHES: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
unsigned int numPatchesReq = data.readInt32();
if (numPatchesReq > MAX_ITEMS_PER_LIST) {
numPatchesReq = MAX_ITEMS_PER_LIST;
}
unsigned int numPatches = numPatchesReq;
struct audio_patch *patches =
(struct audio_patch *)calloc(numPatchesReq,
sizeof(struct audio_patch));
if (patches == NULL) {
reply->writeInt32(NO_MEMORY);
reply->writeInt32(0);
return NO_ERROR;
}
status_t status = listAudioPatches(&numPatches, patches);
reply->writeInt32(status);
reply->writeInt32(numPatches);
if (status == NO_ERROR) {
if (numPatchesReq > numPatches) {
numPatchesReq = numPatches;
}
reply->write(patches, numPatchesReq * sizeof(struct audio_patch));
}
free(patches);
return NO_ERROR;
} break;
case SET_AUDIO_PORT_CONFIG: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
struct audio_port_config config;
data.read(&config, sizeof(struct audio_port_config));
status_t status = setAudioPortConfig(&config);
reply->writeInt32(status);
return NO_ERROR;
} break;
case GET_AUDIO_HW_SYNC_FOR_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(getAudioHwSyncForSession((audio_session_t) data.readInt32()));
return NO_ERROR;
} break;
case SYSTEM_READY: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
systemReady();
return NO_ERROR;
} break;
case FRAME_COUNT_HAL: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt64( frameCountHAL((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
case GET_MICROPHONES: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
std::vector<media::MicrophoneInfo> microphones;
status_t status = getMicrophones(&microphones);
reply->writeInt32(status);
if (status == NO_ERROR) {
reply->writeParcelableVector(microphones);
}
return NO_ERROR;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
} // namespace android