/*
* Copyright (c) 2009 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_NDEBUG 0
#define LOG_TAG "IOMX"
#include <utils/Log.h>
#include <binder/IMemory.h>
#include <binder/Parcel.h>
#include <media/IOMX.h>
#include <media/stagefright/foundation/ADebug.h>
namespace android {
enum {
CONNECT = IBinder::FIRST_CALL_TRANSACTION,
LIVES_LOCALLY,
LIST_NODES,
ALLOCATE_NODE,
FREE_NODE,
SEND_COMMAND,
GET_PARAMETER,
SET_PARAMETER,
GET_CONFIG,
SET_CONFIG,
GET_STATE,
ENABLE_GRAPHIC_BUFFERS,
USE_BUFFER,
USE_GRAPHIC_BUFFER,
STORE_META_DATA_IN_BUFFERS,
ALLOC_BUFFER,
ALLOC_BUFFER_WITH_BACKUP,
FREE_BUFFER,
FILL_BUFFER,
EMPTY_BUFFER,
GET_EXTENSION_INDEX,
OBSERVER_ON_MSG,
GET_GRAPHIC_BUFFER_USAGE,
};
class BpOMX : public BpInterface<IOMX> {
public:
BpOMX(const sp<IBinder> &impl)
: BpInterface<IOMX>(impl) {
}
virtual bool livesLocally(node_id node, pid_t pid) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(pid);
remote()->transact(LIVES_LOCALLY, data, &reply);
return reply.readInt32() != 0;
}
virtual status_t listNodes(List<ComponentInfo> *list) {
list->clear();
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
remote()->transact(LIST_NODES, data, &reply);
int32_t n = reply.readInt32();
for (int32_t i = 0; i < n; ++i) {
list->push_back(ComponentInfo());
ComponentInfo &info = *--list->end();
info.mName = reply.readString8();
int32_t numRoles = reply.readInt32();
for (int32_t j = 0; j < numRoles; ++j) {
info.mRoles.push_back(reply.readString8());
}
}
return OK;
}
virtual status_t allocateNode(
const char *name, const sp<IOMXObserver> &observer, node_id *node) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeCString(name);
data.writeStrongBinder(observer->asBinder());
remote()->transact(ALLOCATE_NODE, data, &reply);
status_t err = reply.readInt32();
if (err == OK) {
*node = (void*)reply.readIntPtr();
} else {
*node = 0;
}
return err;
}
virtual status_t freeNode(node_id node) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
remote()->transact(FREE_NODE, data, &reply);
return reply.readInt32();
}
virtual status_t sendCommand(
node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(cmd);
data.writeInt32(param);
remote()->transact(SEND_COMMAND, data, &reply);
return reply.readInt32();
}
virtual status_t getParameter(
node_id node, OMX_INDEXTYPE index,
void *params, size_t size) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(index);
data.writeInt32(size);
data.write(params, size);
remote()->transact(GET_PARAMETER, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
return err;
}
reply.read(params, size);
return OK;
}
virtual status_t setParameter(
node_id node, OMX_INDEXTYPE index,
const void *params, size_t size) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(index);
data.writeInt32(size);
data.write(params, size);
remote()->transact(SET_PARAMETER, data, &reply);
return reply.readInt32();
}
virtual status_t getConfig(
node_id node, OMX_INDEXTYPE index,
void *params, size_t size) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(index);
data.writeInt32(size);
data.write(params, size);
remote()->transact(GET_CONFIG, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
return err;
}
reply.read(params, size);
return OK;
}
virtual status_t setConfig(
node_id node, OMX_INDEXTYPE index,
const void *params, size_t size) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(index);
data.writeInt32(size);
data.write(params, size);
remote()->transact(SET_CONFIG, data, &reply);
return reply.readInt32();
}
virtual status_t getState(
node_id node, OMX_STATETYPE* state) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
remote()->transact(GET_STATE, data, &reply);
*state = static_cast<OMX_STATETYPE>(reply.readInt32());
return reply.readInt32();
}
virtual status_t enableGraphicBuffers(
node_id node, OMX_U32 port_index, OMX_BOOL enable) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.writeInt32((uint32_t)enable);
remote()->transact(ENABLE_GRAPHIC_BUFFERS, data, &reply);
status_t err = reply.readInt32();
return err;
}
virtual status_t getGraphicBufferUsage(
node_id node, OMX_U32 port_index, OMX_U32* usage) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
remote()->transact(GET_GRAPHIC_BUFFER_USAGE, data, &reply);
status_t err = reply.readInt32();
*usage = reply.readInt32();
return err;
}
virtual status_t useBuffer(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.writeStrongBinder(params->asBinder());
remote()->transact(USE_BUFFER, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
*buffer = 0;
return err;
}
*buffer = (void*)reply.readIntPtr();
return err;
}
virtual status_t useGraphicBuffer(
node_id node, OMX_U32 port_index,
const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.write(*graphicBuffer);
remote()->transact(USE_GRAPHIC_BUFFER, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
*buffer = 0;
return err;
}
*buffer = (void*)reply.readIntPtr();
return err;
}
virtual status_t storeMetaDataInBuffers(
node_id node, OMX_U32 port_index, OMX_BOOL enable) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.writeInt32((uint32_t)enable);
remote()->transact(STORE_META_DATA_IN_BUFFERS, data, &reply);
status_t err = reply.readInt32();
return err;
}
virtual status_t allocateBuffer(
node_id node, OMX_U32 port_index, size_t size,
buffer_id *buffer, void **buffer_data) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.writeInt32(size);
remote()->transact(ALLOC_BUFFER, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
*buffer = 0;
return err;
}
*buffer = (void *)reply.readIntPtr();
*buffer_data = (void *)reply.readIntPtr();
return err;
}
virtual status_t allocateBufferWithBackup(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.writeStrongBinder(params->asBinder());
remote()->transact(ALLOC_BUFFER_WITH_BACKUP, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
*buffer = 0;
return err;
}
*buffer = (void*)reply.readIntPtr();
return err;
}
virtual status_t freeBuffer(
node_id node, OMX_U32 port_index, buffer_id buffer) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeInt32(port_index);
data.writeIntPtr((intptr_t)buffer);
remote()->transact(FREE_BUFFER, data, &reply);
return reply.readInt32();
}
virtual status_t fillBuffer(node_id node, buffer_id buffer) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeIntPtr((intptr_t)buffer);
remote()->transact(FILL_BUFFER, data, &reply);
return reply.readInt32();
}
virtual status_t emptyBuffer(
node_id node,
buffer_id buffer,
OMX_U32 range_offset, OMX_U32 range_length,
OMX_U32 flags, OMX_TICKS timestamp) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeIntPtr((intptr_t)buffer);
data.writeInt32(range_offset);
data.writeInt32(range_length);
data.writeInt32(flags);
data.writeInt64(timestamp);
remote()->transact(EMPTY_BUFFER, data, &reply);
return reply.readInt32();
}
virtual status_t getExtensionIndex(
node_id node,
const char *parameter_name,
OMX_INDEXTYPE *index) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)node);
data.writeCString(parameter_name);
remote()->transact(GET_EXTENSION_INDEX, data, &reply);
status_t err = reply.readInt32();
if (err == OK) {
*index = static_cast<OMX_INDEXTYPE>(reply.readInt32());
} else {
*index = OMX_IndexComponentStartUnused;
}
return err;
}
};
IMPLEMENT_META_INTERFACE(OMX, "android.hardware.IOMX");
////////////////////////////////////////////////////////////////////////////////
#define CHECK_INTERFACE(interface, data, reply) \
do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
ALOGW("Call incorrectly routed to " #interface); \
return PERMISSION_DENIED; \
} } while (0)
status_t BnOMX::onTransact(
uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
switch (code) {
case LIVES_LOCALLY:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void *)data.readIntPtr();
pid_t pid = (pid_t)data.readInt32();
reply->writeInt32(livesLocally(node, pid));
return OK;
}
case LIST_NODES:
{
CHECK_INTERFACE(IOMX, data, reply);
List<ComponentInfo> list;
listNodes(&list);
reply->writeInt32(list.size());
for (List<ComponentInfo>::iterator it = list.begin();
it != list.end(); ++it) {
ComponentInfo &cur = *it;
reply->writeString8(cur.mName);
reply->writeInt32(cur.mRoles.size());
for (List<String8>::iterator role_it = cur.mRoles.begin();
role_it != cur.mRoles.end(); ++role_it) {
reply->writeString8(*role_it);
}
}
return NO_ERROR;
}
case ALLOCATE_NODE:
{
CHECK_INTERFACE(IOMX, data, reply);
const char *name = data.readCString();
sp<IOMXObserver> observer =
interface_cast<IOMXObserver>(data.readStrongBinder());
node_id node;
status_t err = allocateNode(name, observer, &node);
reply->writeInt32(err);
if (err == OK) {
reply->writeIntPtr((intptr_t)node);
}
return NO_ERROR;
}
case FREE_NODE:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
reply->writeInt32(freeNode(node));
return NO_ERROR;
}
case SEND_COMMAND:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_COMMANDTYPE cmd =
static_cast<OMX_COMMANDTYPE>(data.readInt32());
OMX_S32 param = data.readInt32();
reply->writeInt32(sendCommand(node, cmd, param));
return NO_ERROR;
}
case GET_PARAMETER:
case SET_PARAMETER:
case GET_CONFIG:
case SET_CONFIG:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_INDEXTYPE index = static_cast<OMX_INDEXTYPE>(data.readInt32());
size_t size = data.readInt32();
void *params = malloc(size);
data.read(params, size);
status_t err;
switch (code) {
case GET_PARAMETER:
err = getParameter(node, index, params, size);
break;
case SET_PARAMETER:
err = setParameter(node, index, params, size);
break;
case GET_CONFIG:
err = getConfig(node, index, params, size);
break;
case SET_CONFIG:
err = setConfig(node, index, params, size);
break;
default:
TRESPASS();
}
reply->writeInt32(err);
if ((code == GET_PARAMETER || code == GET_CONFIG) && err == OK) {
reply->write(params, size);
}
free(params);
params = NULL;
return NO_ERROR;
}
case GET_STATE:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_STATETYPE state = OMX_StateInvalid;
status_t err = getState(node, &state);
reply->writeInt32(state);
reply->writeInt32(err);
return NO_ERROR;
}
case ENABLE_GRAPHIC_BUFFERS:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
OMX_BOOL enable = (OMX_BOOL)data.readInt32();
status_t err = enableGraphicBuffers(node, port_index, enable);
reply->writeInt32(err);
return NO_ERROR;
}
case GET_GRAPHIC_BUFFER_USAGE:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
OMX_U32 usage = 0;
status_t err = getGraphicBufferUsage(node, port_index, &usage);
reply->writeInt32(err);
reply->writeInt32(usage);
return NO_ERROR;
}
case USE_BUFFER:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
sp<IMemory> params =
interface_cast<IMemory>(data.readStrongBinder());
buffer_id buffer;
status_t err = useBuffer(node, port_index, params, &buffer);
reply->writeInt32(err);
if (err == OK) {
reply->writeIntPtr((intptr_t)buffer);
}
return NO_ERROR;
}
case USE_GRAPHIC_BUFFER:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
sp<GraphicBuffer> graphicBuffer = new GraphicBuffer();
data.read(*graphicBuffer);
buffer_id buffer;
status_t err = useGraphicBuffer(
node, port_index, graphicBuffer, &buffer);
reply->writeInt32(err);
if (err == OK) {
reply->writeIntPtr((intptr_t)buffer);
}
return NO_ERROR;
}
case STORE_META_DATA_IN_BUFFERS:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
OMX_BOOL enable = (OMX_BOOL)data.readInt32();
status_t err = storeMetaDataInBuffers(node, port_index, enable);
reply->writeInt32(err);
return NO_ERROR;
}
case ALLOC_BUFFER:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
size_t size = data.readInt32();
buffer_id buffer;
void *buffer_data;
status_t err = allocateBuffer(
node, port_index, size, &buffer, &buffer_data);
reply->writeInt32(err);
if (err == OK) {
reply->writeIntPtr((intptr_t)buffer);
reply->writeIntPtr((intptr_t)buffer_data);
}
return NO_ERROR;
}
case ALLOC_BUFFER_WITH_BACKUP:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
sp<IMemory> params =
interface_cast<IMemory>(data.readStrongBinder());
buffer_id buffer;
status_t err = allocateBufferWithBackup(
node, port_index, params, &buffer);
reply->writeInt32(err);
if (err == OK) {
reply->writeIntPtr((intptr_t)buffer);
}
return NO_ERROR;
}
case FREE_BUFFER:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
OMX_U32 port_index = data.readInt32();
buffer_id buffer = (void*)data.readIntPtr();
reply->writeInt32(freeBuffer(node, port_index, buffer));
return NO_ERROR;
}
case FILL_BUFFER:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
buffer_id buffer = (void*)data.readIntPtr();
reply->writeInt32(fillBuffer(node, buffer));
return NO_ERROR;
}
case EMPTY_BUFFER:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
buffer_id buffer = (void*)data.readIntPtr();
OMX_U32 range_offset = data.readInt32();
OMX_U32 range_length = data.readInt32();
OMX_U32 flags = data.readInt32();
OMX_TICKS timestamp = data.readInt64();
reply->writeInt32(
emptyBuffer(
node, buffer, range_offset, range_length,
flags, timestamp));
return NO_ERROR;
}
case GET_EXTENSION_INDEX:
{
CHECK_INTERFACE(IOMX, data, reply);
node_id node = (void*)data.readIntPtr();
const char *parameter_name = data.readCString();
OMX_INDEXTYPE index;
status_t err = getExtensionIndex(node, parameter_name, &index);
reply->writeInt32(err);
if (err == OK) {
reply->writeInt32(index);
}
return OK;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
////////////////////////////////////////////////////////////////////////////////
class BpOMXObserver : public BpInterface<IOMXObserver> {
public:
BpOMXObserver(const sp<IBinder> &impl)
: BpInterface<IOMXObserver>(impl) {
}
virtual void onMessage(const omx_message &msg) {
Parcel data, reply;
data.writeInterfaceToken(IOMXObserver::getInterfaceDescriptor());
data.write(&msg, sizeof(msg));
remote()->transact(OBSERVER_ON_MSG, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(OMXObserver, "android.hardware.IOMXObserver");
status_t BnOMXObserver::onTransact(
uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
switch (code) {
case OBSERVER_ON_MSG:
{
CHECK_INTERFACE(IOMXObserver, data, reply);
omx_message msg;
data.read(&msg, sizeof(msg));
// XXX Could use readInplace maybe?
onMessage(msg);
return NO_ERROR;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
} // namespace android