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/*
* Copyright (C) 2010 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.
*/
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/NativeHandle.h>
#include <utils/RefBase.h>
#include <utils/String8.h>
#include <utils/Timers.h>
#include <utils/Vector.h>
#include <binder/Parcel.h>
#include <binder/IInterface.h>
#ifndef NO_BUFFERHUB
#include <gui/BufferHubProducer.h>
#endif
#include <gui/bufferqueue/1.0/H2BGraphicBufferProducer.h>
#include <gui/bufferqueue/2.0/H2BGraphicBufferProducer.h>
#include <gui/BufferQueueDefs.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/IProducerListener.h>
namespace android {
// ----------------------------------------------------------------------------
using H2BGraphicBufferProducerV1_0 =
::android::hardware::graphics::bufferqueue::V1_0::utils::
H2BGraphicBufferProducer;
using H2BGraphicBufferProducerV2_0 =
::android::hardware::graphics::bufferqueue::V2_0::utils::
H2BGraphicBufferProducer;
enum {
REQUEST_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
DEQUEUE_BUFFER,
DETACH_BUFFER,
DETACH_NEXT_BUFFER,
ATTACH_BUFFER,
QUEUE_BUFFER,
CANCEL_BUFFER,
QUERY,
CONNECT,
DISCONNECT,
SET_SIDEBAND_STREAM,
ALLOCATE_BUFFERS,
ALLOW_ALLOCATION,
SET_GENERATION_NUMBER,
GET_CONSUMER_NAME,
SET_MAX_DEQUEUED_BUFFER_COUNT,
SET_ASYNC_MODE,
SET_SHARED_BUFFER_MODE,
SET_AUTO_REFRESH,
SET_DEQUEUE_TIMEOUT,
GET_LAST_QUEUED_BUFFER,
GET_FRAME_TIMESTAMPS,
GET_UNIQUE_ID,
GET_CONSUMER_USAGE,
SET_LEGACY_BUFFER_DROP,
SET_AUTO_PREROTATION,
GET_LAST_QUEUED_BUFFER2,
};
class BpGraphicBufferProducer : public BpInterface<IGraphicBufferProducer>
{
public:
explicit BpGraphicBufferProducer(const sp<IBinder>& impl)
: BpInterface<IGraphicBufferProducer>(impl)
{
}
~BpGraphicBufferProducer() override;
virtual status_t requestBuffer(int bufferIdx, sp<GraphicBuffer>* buf) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(bufferIdx);
status_t result =remote()->transact(REQUEST_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
bool nonNull = reply.readInt32();
if (nonNull) {
*buf = new GraphicBuffer();
result = reply.read(**buf);
if(result != NO_ERROR) {
(*buf).clear();
return result;
}
}
result = reply.readInt32();
return result;
}
virtual status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers) {
Parcel data, reply;
data.writeInterfaceToken(
IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(maxDequeuedBuffers);
status_t result = remote()->transact(SET_MAX_DEQUEUED_BUFFER_COUNT,
data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t setAsyncMode(bool async) {
Parcel data, reply;
data.writeInterfaceToken(
IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(async);
status_t result = remote()->transact(SET_ASYNC_MODE,
data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t dequeueBuffer(int* buf, sp<Fence>* fence, uint32_t width, uint32_t height,
PixelFormat format, uint64_t usage, uint64_t* outBufferAge,
FrameEventHistoryDelta* outTimestamps) {
Parcel data, reply;
bool getFrameTimestamps = (outTimestamps != nullptr);
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeUint32(width);
data.writeUint32(height);
data.writeInt32(static_cast<int32_t>(format));
data.writeUint64(usage);
data.writeBool(getFrameTimestamps);
status_t result = remote()->transact(DEQUEUE_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
*buf = reply.readInt32();
*fence = new Fence();
result = reply.read(**fence);
if (result != NO_ERROR) {
fence->clear();
return result;
}
if (outBufferAge) {
result = reply.readUint64(outBufferAge);
} else {
// Read the value even if outBufferAge is nullptr:
uint64_t bufferAge;
result = reply.readUint64(&bufferAge);
}
if (result != NO_ERROR) {
ALOGE("IGBP::dequeueBuffer failed to read buffer age: %d", result);
return result;
}
if (getFrameTimestamps) {
result = reply.read(*outTimestamps);
if (result != NO_ERROR) {
ALOGE("IGBP::dequeueBuffer failed to read timestamps: %d",
result);
return result;
}
}
result = reply.readInt32();
return result;
}
virtual status_t detachBuffer(int slot) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(slot);
status_t result = remote()->transact(DETACH_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer,
sp<Fence>* outFence) {
if (outBuffer == nullptr) {
ALOGE("detachNextBuffer: outBuffer must not be NULL");
return BAD_VALUE;
} else if (outFence == nullptr) {
ALOGE("detachNextBuffer: outFence must not be NULL");
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
status_t result = remote()->transact(DETACH_NEXT_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
if (result == NO_ERROR) {
bool nonNull = reply.readInt32();
if (nonNull) {
*outBuffer = new GraphicBuffer;
result = reply.read(**outBuffer);
if (result != NO_ERROR) {
outBuffer->clear();
return result;
}
}
nonNull = reply.readInt32();
if (nonNull) {
*outFence = new Fence;
result = reply.read(**outFence);
if (result != NO_ERROR) {
outBuffer->clear();
outFence->clear();
return result;
}
}
}
return result;
}
virtual status_t attachBuffer(int* slot, const sp<GraphicBuffer>& buffer) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.write(*buffer.get());
status_t result = remote()->transact(ATTACH_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
*slot = reply.readInt32();
result = reply.readInt32();
if (result == NO_ERROR &&
(*slot < 0 || *slot >= BufferQueueDefs::NUM_BUFFER_SLOTS)) {
ALOGE("attachBuffer returned invalid slot %d", *slot);
android_errorWriteLog(0x534e4554, "37478824");
return UNKNOWN_ERROR;
}
return result;
}
virtual status_t queueBuffer(int buf,
const QueueBufferInput& input, QueueBufferOutput* output) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(buf);
data.write(input);
status_t result = remote()->transact(QUEUE_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.read(*output);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t cancelBuffer(int buf, const sp<Fence>& fence) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(buf);
data.write(*fence.get());
status_t result = remote()->transact(CANCEL_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual int query(int what, int* value) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(what);
status_t result = remote()->transact(QUERY, data, &reply);
if (result != NO_ERROR) {
return result;
}
value[0] = reply.readInt32();
result = reply.readInt32();
return result;
}
virtual status_t connect(const sp<IProducerListener>& listener,
int api, bool producerControlledByApp, QueueBufferOutput* output) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
if (listener != nullptr) {
data.writeInt32(1);
data.writeStrongBinder(IInterface::asBinder(listener));
} else {
data.writeInt32(0);
}
data.writeInt32(api);
data.writeInt32(producerControlledByApp);
status_t result = remote()->transact(CONNECT, data, &reply);
if (result != NO_ERROR) {
return result;
}
reply.read(*output);
result = reply.readInt32();
return result;
}
virtual status_t disconnect(int api, DisconnectMode mode) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(api);
data.writeInt32(static_cast<int32_t>(mode));
status_t result =remote()->transact(DISCONNECT, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t setSidebandStream(const sp<NativeHandle>& stream) {
Parcel data, reply;
status_t result;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
if (stream.get()) {
data.writeInt32(true);
data.writeNativeHandle(stream->handle());
} else {
data.writeInt32(false);
}
if ((result = remote()->transact(SET_SIDEBAND_STREAM, data, &reply)) == NO_ERROR) {
result = reply.readInt32();
}
return result;
}
virtual void allocateBuffers(uint32_t width, uint32_t height,
PixelFormat format, uint64_t usage) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeUint32(width);
data.writeUint32(height);
data.writeInt32(static_cast<int32_t>(format));
data.writeUint64(usage);
status_t result = remote()->transact(ALLOCATE_BUFFERS, data, &reply, IBinder::FLAG_ONEWAY);
if (result != NO_ERROR) {
ALOGE("allocateBuffers failed to transact: %d", result);
}
}
virtual status_t allowAllocation(bool allow) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(static_cast<int32_t>(allow));
status_t result = remote()->transact(ALLOW_ALLOCATION, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t setGenerationNumber(uint32_t generationNumber) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeUint32(generationNumber);
status_t result = remote()->transact(SET_GENERATION_NUMBER, data, &reply);
if (result == NO_ERROR) {
result = reply.readInt32();
}
return result;
}
virtual String8 getConsumerName() const {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
status_t result = remote()->transact(GET_CONSUMER_NAME, data, &reply);
if (result != NO_ERROR) {
ALOGE("getConsumerName failed to transact: %d", result);
return String8("TransactFailed");
}
return reply.readString8();
}
virtual status_t setSharedBufferMode(bool sharedBufferMode) {
Parcel data, reply;
data.writeInterfaceToken(
IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(sharedBufferMode);
status_t result = remote()->transact(SET_SHARED_BUFFER_MODE, data,
&reply);
if (result == NO_ERROR) {
result = reply.readInt32();
}
return result;
}
virtual status_t setAutoRefresh(bool autoRefresh) {
Parcel data, reply;
data.writeInterfaceToken(
IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(autoRefresh);
status_t result = remote()->transact(SET_AUTO_REFRESH, data, &reply);
if (result == NO_ERROR) {
result = reply.readInt32();
}
return result;
}
virtual status_t setDequeueTimeout(nsecs_t timeout) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt64(timeout);
status_t result = remote()->transact(SET_DEQUEUE_TIMEOUT, data, &reply);
if (result != NO_ERROR) {
ALOGE("setDequeueTimeout failed to transact: %d", result);
return result;
}
return reply.readInt32();
}
virtual status_t setLegacyBufferDrop(bool drop) {
Parcel data, reply;
data.writeInterfaceToken(
IGraphicBufferProducer::getInterfaceDescriptor());
data.writeInt32(drop);
status_t result = remote()->transact(SET_LEGACY_BUFFER_DROP,
data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.readInt32();
return result;
}
virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
sp<Fence>* outFence, float outTransformMatrix[16]) override {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
status_t result = remote()->transact(GET_LAST_QUEUED_BUFFER, data,
&reply);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to transact: %d", result);
return result;
}
result = reply.readInt32();
if (result != NO_ERROR) {
return result;
}
bool hasBuffer = reply.readBool();
sp<GraphicBuffer> buffer;
if (hasBuffer) {
buffer = new GraphicBuffer();
result = reply.read(*buffer);
if (result == NO_ERROR) {
result = reply.read(outTransformMatrix, sizeof(float) * 16);
}
}
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to read buffer: %d", result);
return result;
}
sp<Fence> fence(new Fence);
result = reply.read(*fence);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to read fence: %d", result);
return result;
}
*outBuffer = buffer;
*outFence = fence;
return result;
}
virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence,
Rect* outRect, uint32_t* outTransform) override {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
status_t result = remote()->transact(GET_LAST_QUEUED_BUFFER2, data, &reply);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to transact: %d", result);
return result;
}
status_t remoteError = NO_ERROR;
result = reply.readInt32(&remoteError);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to read status: %d", result);
return result;
}
if (remoteError != NO_ERROR) {
return remoteError;
}
bool hasBuffer = false;
result = reply.readBool(&hasBuffer);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to read buffer: %d", result);
return result;
}
sp<GraphicBuffer> buffer;
if (hasBuffer) {
buffer = new GraphicBuffer();
result = reply.read(*buffer);
if (result == NO_ERROR) {
result = reply.read(*outRect);
}
if (result == NO_ERROR) {
result = reply.readUint32(outTransform);
}
}
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to read buffer: %d", result);
return result;
}
sp<Fence> fence(new Fence);
result = reply.read(*fence);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to read fence: %d", result);
return result;
}
*outBuffer = buffer;
*outFence = fence;
return result;
}
virtual void getFrameTimestamps(FrameEventHistoryDelta* outDelta) {
Parcel data, reply;
status_t result = data.writeInterfaceToken(
IGraphicBufferProducer::getInterfaceDescriptor());
if (result != NO_ERROR) {
ALOGE("IGBP::getFrameTimestamps failed to write token: %d", result);
return;
}
result = remote()->transact(GET_FRAME_TIMESTAMPS, data, &reply);
if (result != NO_ERROR) {
ALOGE("IGBP::getFrameTimestamps failed to transact: %d", result);
return;
}
result = reply.read(*outDelta);
if (result != NO_ERROR) {
ALOGE("IGBP::getFrameTimestamps failed to read timestamps: %d",
result);
}
}
virtual status_t getUniqueId(uint64_t* outId) const {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
status_t result = remote()->transact(GET_UNIQUE_ID, data, &reply);
if (result != NO_ERROR) {
ALOGE("getUniqueId failed to transact: %d", result);
}
status_t actualResult = NO_ERROR;
result = reply.readInt32(&actualResult);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64(outId);
if (result != NO_ERROR) {
return result;
}
return actualResult;
}
virtual status_t getConsumerUsage(uint64_t* outUsage) const {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
status_t result = remote()->transact(GET_CONSUMER_USAGE, data, &reply);
if (result != NO_ERROR) {
ALOGE("getConsumerUsage failed to transact: %d", result);
}
status_t actualResult = NO_ERROR;
result = reply.readInt32(&actualResult);
if (result != NO_ERROR) {
return result;
}
result = reply.readUint64(outUsage);
if (result != NO_ERROR) {
return result;
}
return actualResult;
}
virtual status_t setAutoPrerotation(bool autoPrerotation) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferProducer::getInterfaceDescriptor());
data.writeBool(autoPrerotation);
status_t result = remote()->transact(SET_AUTO_PREROTATION, data, &reply);
if (result == NO_ERROR) {
result = reply.readInt32();
}
return result;
}
};
// Out-of-line virtual method definition to trigger vtable emission in this
// translation unit (see clang warning -Wweak-vtables)
BpGraphicBufferProducer::~BpGraphicBufferProducer() {}
class HpGraphicBufferProducer : public HpInterface<
BpGraphicBufferProducer,
H2BGraphicBufferProducerV1_0,
H2BGraphicBufferProducerV2_0> {
public:
explicit HpGraphicBufferProducer(const sp<IBinder>& base) : PBase(base) {}
status_t requestBuffer(int slot, sp<GraphicBuffer>* buf) override {
return mBase->requestBuffer(slot, buf);
}
status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers) override {
return mBase->setMaxDequeuedBufferCount(maxDequeuedBuffers);
}
status_t setAsyncMode(bool async) override {
return mBase->setAsyncMode(async);
}
status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, uint32_t h, PixelFormat format,
uint64_t usage, uint64_t* outBufferAge,
FrameEventHistoryDelta* outTimestamps) override {
return mBase->dequeueBuffer(slot, fence, w, h, format, usage, outBufferAge, outTimestamps);
}
status_t detachBuffer(int slot) override {
return mBase->detachBuffer(slot);
}
status_t detachNextBuffer(
sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence) override {
return mBase->detachNextBuffer(outBuffer, outFence);
}
status_t attachBuffer(
int* outSlot, const sp<GraphicBuffer>& buffer) override {
return mBase->attachBuffer(outSlot, buffer);
}
status_t queueBuffer(
int slot,
const QueueBufferInput& input,
QueueBufferOutput* output) override {
return mBase->queueBuffer(slot, input, output);
}
status_t cancelBuffer(int slot, const sp<Fence>& fence) override {
return mBase->cancelBuffer(slot, fence);
}
int query(int what, int* value) override {
return mBase->query(what, value);
}
status_t connect(
const sp<IProducerListener>& listener,
int api, bool producerControlledByApp,
QueueBufferOutput* output) override {
return mBase->connect(listener, api, producerControlledByApp, output);
}
status_t disconnect(
int api, DisconnectMode mode = DisconnectMode::Api) override {
return mBase->disconnect(api, mode);
}
status_t setSidebandStream(const sp<NativeHandle>& stream) override {
return mBase->setSidebandStream(stream);
}
void allocateBuffers(uint32_t width, uint32_t height,
PixelFormat format, uint64_t usage) override {
return mBase->allocateBuffers(width, height, format, usage);
}
status_t allowAllocation(bool allow) override {
return mBase->allowAllocation(allow);
}
status_t setGenerationNumber(uint32_t generationNumber) override {
return mBase->setGenerationNumber(generationNumber);
}
String8 getConsumerName() const override {
return mBase->getConsumerName();
}
status_t setSharedBufferMode(bool sharedBufferMode) override {
return mBase->setSharedBufferMode(sharedBufferMode);
}
status_t setAutoRefresh(bool autoRefresh) override {
return mBase->setAutoRefresh(autoRefresh);
}
status_t setDequeueTimeout(nsecs_t timeout) override {
return mBase->setDequeueTimeout(timeout);
}
status_t setLegacyBufferDrop(bool drop) override {
return mBase->setLegacyBufferDrop(drop);
}
status_t getLastQueuedBuffer(
sp<GraphicBuffer>* outBuffer,
sp<Fence>* outFence,
float outTransformMatrix[16]) override {
return mBase->getLastQueuedBuffer(
outBuffer, outFence, outTransformMatrix);
}
status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence, Rect* outRect,
uint32_t* outTransform) override {
return mBase->getLastQueuedBuffer(outBuffer, outFence, outRect, outTransform);
}
void getFrameTimestamps(FrameEventHistoryDelta* outDelta) override {
return mBase->getFrameTimestamps(outDelta);
}
status_t getUniqueId(uint64_t* outId) const override {
return mBase->getUniqueId(outId);
}
status_t getConsumerUsage(uint64_t* outUsage) const override {
return mBase->getConsumerUsage(outUsage);
}
status_t setAutoPrerotation(bool autoPrerotation) override {
return mBase->setAutoPrerotation(autoPrerotation);
}
};
IMPLEMENT_HYBRID_META_INTERFACE(GraphicBufferProducer,
"android.gui.IGraphicBufferProducer");
// ----------------------------------------------------------------------
status_t IGraphicBufferProducer::setLegacyBufferDrop(bool drop) {
// No-op for IGBP other than BufferQueue.
(void) drop;
return INVALID_OPERATION;
}
status_t IGraphicBufferProducer::setAutoPrerotation(bool autoPrerotation) {
// No-op for IGBP other than BufferQueue.
(void)autoPrerotation;
return INVALID_OPERATION;
}
status_t IGraphicBufferProducer::exportToParcel(Parcel* parcel) {
status_t res = OK;
res = parcel->writeUint32(USE_BUFFER_QUEUE);
if (res != NO_ERROR) {
ALOGE("exportToParcel: Cannot write magic, res=%d.", res);
return res;
}
return parcel->writeStrongBinder(IInterface::asBinder(this));
}
/* static */
status_t IGraphicBufferProducer::exportToParcel(const sp<IGraphicBufferProducer>& producer,
Parcel* parcel) {
if (parcel == nullptr) {
ALOGE("exportToParcel: Invalid parcel object.");
return BAD_VALUE;
}
if (producer == nullptr) {
status_t res = OK;
res = parcel->writeUint32(IGraphicBufferProducer::USE_BUFFER_QUEUE);
if (res != NO_ERROR) return res;
return parcel->writeStrongBinder(nullptr);
} else {
return producer->exportToParcel(parcel);
}
}
/* static */
sp<IGraphicBufferProducer> IGraphicBufferProducer::createFromParcel(const Parcel* parcel) {
uint32_t outMagic = 0;
status_t res = NO_ERROR;
res = parcel->readUint32(&outMagic);
if (res != NO_ERROR) {
ALOGE("createFromParcel: Failed to read magic, error=%d.", res);
return nullptr;
}
switch (outMagic) {
case USE_BUFFER_QUEUE: {
sp<IBinder> binder;
res = parcel->readNullableStrongBinder(&binder);
if (res != NO_ERROR) {
ALOGE("createFromParcel: Can't read strong binder.");
return nullptr;
}
return interface_cast<IGraphicBufferProducer>(binder);
}
case USE_BUFFER_HUB: {
ALOGE("createFromParcel: BufferHub not implemented.");
#ifndef NO_BUFFERHUB
dvr::ProducerQueueParcelable producerParcelable;
res = producerParcelable.readFromParcel(parcel);
if (res != NO_ERROR) {
ALOGE("createFromParcel: Failed to read from parcel, error=%d", res);
return nullptr;
}
return BufferHubProducer::Create(std::move(producerParcelable));
#else
return nullptr;
#endif
}
default: {
ALOGE("createFromParcel: Unexpected mgaic: 0x%x.", outMagic);
return nullptr;
}
}
}
// ----------------------------------------------------------------------------
status_t BnGraphicBufferProducer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case REQUEST_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int bufferIdx = data.readInt32();
sp<GraphicBuffer> buffer;
int result = requestBuffer(bufferIdx, &buffer);
reply->writeInt32(buffer != nullptr);
if (buffer != nullptr) {
reply->write(*buffer);
}
reply->writeInt32(result);
return NO_ERROR;
}
case SET_MAX_DEQUEUED_BUFFER_COUNT: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int maxDequeuedBuffers = data.readInt32();
int result = setMaxDequeuedBufferCount(maxDequeuedBuffers);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_ASYNC_MODE: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
bool async = data.readInt32();
int result = setAsyncMode(async);
reply->writeInt32(result);
return NO_ERROR;
}
case DEQUEUE_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
uint32_t width = data.readUint32();
uint32_t height = data.readUint32();
PixelFormat format = static_cast<PixelFormat>(data.readInt32());
uint64_t usage = data.readUint64();
uint64_t bufferAge = 0;
bool getTimestamps = data.readBool();
int buf = 0;
sp<Fence> fence = Fence::NO_FENCE;
FrameEventHistoryDelta frameTimestamps;
int result = dequeueBuffer(&buf, &fence, width, height, format, usage, &bufferAge,
getTimestamps ? &frameTimestamps : nullptr);
if (fence == nullptr) {
ALOGE("dequeueBuffer returned a NULL fence, setting to Fence::NO_FENCE");
fence = Fence::NO_FENCE;
}
reply->writeInt32(buf);
reply->write(*fence);
reply->writeUint64(bufferAge);
if (getTimestamps) {
reply->write(frameTimestamps);
}
reply->writeInt32(result);
return NO_ERROR;
}
case DETACH_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int slot = data.readInt32();
int result = detachBuffer(slot);
reply->writeInt32(result);
return NO_ERROR;
}
case DETACH_NEXT_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
sp<GraphicBuffer> buffer;
sp<Fence> fence;
int32_t result = detachNextBuffer(&buffer, &fence);
reply->writeInt32(result);
if (result == NO_ERROR) {
reply->writeInt32(buffer != nullptr);
if (buffer != nullptr) {
reply->write(*buffer);
}
reply->writeInt32(fence != nullptr);
if (fence != nullptr) {
reply->write(*fence);
}
}
return NO_ERROR;
}
case ATTACH_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
sp<GraphicBuffer> buffer = new GraphicBuffer();
status_t result = data.read(*buffer.get());
int slot = 0;
if (result == NO_ERROR) {
result = attachBuffer(&slot, buffer);
}
reply->writeInt32(slot);
reply->writeInt32(result);
return NO_ERROR;
}
case QUEUE_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int buf = data.readInt32();
QueueBufferInput input(data);
QueueBufferOutput output;
status_t result = queueBuffer(buf, input, &output);
reply->write(output);
reply->writeInt32(result);
return NO_ERROR;
}
case CANCEL_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int buf = data.readInt32();
sp<Fence> fence = new Fence();
status_t result = data.read(*fence.get());
if (result == NO_ERROR) {
result = cancelBuffer(buf, fence);
}
reply->writeInt32(result);
return NO_ERROR;
}
case QUERY: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int value = 0;
int what = data.readInt32();
int res = query(what, &value);
reply->writeInt32(value);
reply->writeInt32(res);
return NO_ERROR;
}
case CONNECT: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
sp<IProducerListener> listener;
if (data.readInt32() == 1) {
listener = IProducerListener::asInterface(data.readStrongBinder());
}
int api = data.readInt32();
bool producerControlledByApp = data.readInt32();
QueueBufferOutput output;
status_t res = connect(listener, api, producerControlledByApp, &output);
reply->write(output);
reply->writeInt32(res);
return NO_ERROR;
}
case DISCONNECT: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
int api = data.readInt32();
DisconnectMode mode = static_cast<DisconnectMode>(data.readInt32());
status_t res = disconnect(api, mode);
reply->writeInt32(res);
return NO_ERROR;
}
case SET_SIDEBAND_STREAM: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
sp<NativeHandle> stream;
if (data.readInt32()) {
stream = NativeHandle::create(data.readNativeHandle(), true);
}
status_t result = setSidebandStream(stream);
reply->writeInt32(result);
return NO_ERROR;
}
case ALLOCATE_BUFFERS: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
uint32_t width = data.readUint32();
uint32_t height = data.readUint32();
PixelFormat format = static_cast<PixelFormat>(data.readInt32());
uint64_t usage = data.readUint64();
allocateBuffers(width, height, format, usage);
return NO_ERROR;
}
case ALLOW_ALLOCATION: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
bool allow = static_cast<bool>(data.readInt32());
status_t result = allowAllocation(allow);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_GENERATION_NUMBER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
uint32_t generationNumber = data.readUint32();
status_t result = setGenerationNumber(generationNumber);
reply->writeInt32(result);
return NO_ERROR;
}
case GET_CONSUMER_NAME: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
reply->writeString8(getConsumerName());
return NO_ERROR;
}
case SET_SHARED_BUFFER_MODE: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
bool sharedBufferMode = data.readInt32();
status_t result = setSharedBufferMode(sharedBufferMode);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_AUTO_REFRESH: {
CHECK_INTERFACE(IGraphicBuffer, data, reply);
bool autoRefresh = data.readInt32();
status_t result = setAutoRefresh(autoRefresh);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_DEQUEUE_TIMEOUT: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
nsecs_t timeout = data.readInt64();
status_t result = setDequeueTimeout(timeout);
reply->writeInt32(result);
return NO_ERROR;
}
case GET_LAST_QUEUED_BUFFER: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
sp<GraphicBuffer> buffer(nullptr);
sp<Fence> fence(Fence::NO_FENCE);
float transform[16] = {};
status_t result = getLastQueuedBuffer(&buffer, &fence, transform);
reply->writeInt32(result);
if (result != NO_ERROR) {
return result;
}
if (!buffer.get()) {
reply->writeBool(false);
} else {
reply->writeBool(true);
result = reply->write(*buffer);
if (result == NO_ERROR) {
reply->write(transform, sizeof(float) * 16);
}
}
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to write buffer: %d", result);
return result;
}
if (fence == nullptr) {
ALOGE("getLastQueuedBuffer returned a NULL fence, setting to Fence::NO_FENCE");
fence = Fence::NO_FENCE;
}
result = reply->write(*fence);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to write fence: %d", result);
return result;
}
return NO_ERROR;
}
case GET_LAST_QUEUED_BUFFER2: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
sp<GraphicBuffer> buffer(nullptr);
sp<Fence> fence(Fence::NO_FENCE);
Rect crop;
uint32_t transform;
status_t result = getLastQueuedBuffer(&buffer, &fence, &crop, &transform);
reply->writeInt32(result);
if (result != NO_ERROR) {
return result;
}
if (!buffer.get()) {
reply->writeBool(false);
} else {
reply->writeBool(true);
result = reply->write(*buffer);
if (result == NO_ERROR) {
result = reply->write(crop);
}
if (result == NO_ERROR) {
result = reply->writeUint32(transform);
}
}
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to write buffer: %d", result);
return result;
}
if (fence == nullptr) {
ALOGE("getLastQueuedBuffer returned a NULL fence, setting to Fence::NO_FENCE");
fence = Fence::NO_FENCE;
}
result = reply->write(*fence);
if (result != NO_ERROR) {
ALOGE("getLastQueuedBuffer failed to write fence: %d", result);
return result;
}
return NO_ERROR;
}
case GET_FRAME_TIMESTAMPS: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
FrameEventHistoryDelta frameTimestamps;
getFrameTimestamps(&frameTimestamps);
status_t result = reply->write(frameTimestamps);
if (result != NO_ERROR) {
ALOGE("BnGBP::GET_FRAME_TIMESTAMPS failed to write buffer: %d",
result);
return result;
}
return NO_ERROR;
}
case GET_UNIQUE_ID: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
uint64_t outId = 0;
status_t actualResult = getUniqueId(&outId);
status_t result = reply->writeInt32(actualResult);
if (result != NO_ERROR) {
return result;
}
result = reply->writeUint64(outId);
if (result != NO_ERROR) {
return result;
}
return NO_ERROR;
}
case GET_CONSUMER_USAGE: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
uint64_t outUsage = 0;
status_t actualResult = getConsumerUsage(&outUsage);
status_t result = reply->writeInt32(actualResult);
if (result != NO_ERROR) {
return result;
}
result = reply->writeUint64(outUsage);
if (result != NO_ERROR) {
return result;
}
return NO_ERROR;
}
case SET_LEGACY_BUFFER_DROP: {
CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
bool drop = data.readInt32();
int result = setLegacyBufferDrop(drop);
reply->writeInt32(result);
return NO_ERROR;
}
case SET_AUTO_PREROTATION: {
CHECK_INTERFACE(IGraphicBuffer, data, reply);
bool autoPrerotation = data.readBool();
status_t result = setAutoPrerotation(autoPrerotation);
reply->writeInt32(result);
return NO_ERROR;
}
}
return BBinder::onTransact(code, data, reply, flags);
}
// ----------------------------------------------------------------------------
IGraphicBufferProducer::QueueBufferInput::QueueBufferInput(const Parcel& parcel) {
parcel.read(*this);
}
}; // namespace android