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//#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 <surfaceflinger/ISurface.h>
#include <surfaceflinger/Surface.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,
ENABLE_GRAPHIC_BUFFERS,
USE_BUFFER,
USE_GRAPHIC_BUFFER,
ALLOC_BUFFER,
ALLOC_BUFFER_WITH_BACKUP,
FREE_BUFFER,
FILL_BUFFER,
EMPTY_BUFFER,
GET_EXTENSION_INDEX,
CREATE_RENDERER,
OBSERVER_ON_MSG,
RENDERER_RENDER,
};
sp<IOMXRenderer> IOMX::createRenderer(
const sp<Surface> &surface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight) {
return createRenderer(
surface->getISurface(),
componentName, colorFormat, encodedWidth, encodedHeight,
displayWidth, displayHeight);
}
sp<IOMXRenderer> IOMX::createRendererFromJavaSurface(
JNIEnv *env, jobject javaSurface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight) {
jclass surfaceClass = env->FindClass("android/view/Surface");
if (surfaceClass == NULL) {
LOGE("Can't find android/view/Surface");
return NULL;
}
jfieldID surfaceID = env->GetFieldID(surfaceClass, ANDROID_VIEW_SURFACE_JNI_ID, "I");
if (surfaceID == NULL) {
LOGE("Can't find Surface.mSurface");
return NULL;
}
sp<Surface> surface = (Surface *)env->GetIntField(javaSurface, surfaceID);
return createRenderer(
surface, componentName, colorFormat, encodedWidth,
encodedHeight, displayWidth, displayHeight);
}
class BpOMX : public BpInterface<IOMX> {
public:
BpOMX(const sp<IBinder> &impl)
: BpInterface<IOMX>(impl) {
}
virtual bool livesLocally(pid_t pid) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
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 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 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 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;
}
virtual sp<IOMXRenderer> createRenderer(
const sp<ISurface> &surface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeStrongBinder(surface->asBinder());
data.writeCString(componentName);
data.writeInt32(colorFormat);
data.writeInt32(encodedWidth);
data.writeInt32(encodedHeight);
data.writeInt32(displayWidth);
data.writeInt32(displayHeight);
remote()->transact(CREATE_RENDERER, data, &reply);
return interface_cast<IOMXRenderer>(reply.readStrongBinder());
}
};
IMPLEMENT_META_INTERFACE(OMX, "android.hardware.IOMX");
////////////////////////////////////////////////////////////////////////////////
#define CHECK_INTERFACE(interface, data, reply) \
do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
LOGW("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);
reply->writeInt32(livesLocally((pid_t)data.readInt32()));
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:
{
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();
// XXX I am not happy with this but Parcel::readInplace didn't work.
void *params = malloc(size);
data.read(params, size);
status_t err = getParameter(node, index, params, size);
reply->writeInt32(err);
if (err == OK) {
reply->write(params, size);
}
free(params);
params = NULL;
return NO_ERROR;
}
case SET_PARAMETER:
{
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 = const_cast<void *>(data.readInplace(size));
reply->writeInt32(setParameter(node, index, params, size));
return NO_ERROR;
}
case GET_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();
// XXX I am not happy with this but Parcel::readInplace didn't work.
void *params = malloc(size);
data.read(params, size);
status_t err = getConfig(node, index, params, size);
reply->writeInt32(err);
if (err == OK) {
reply->write(params, size);
}
free(params);
params = NULL;
return NO_ERROR;
}
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 = const_cast<void *>(data.readInplace(size));
reply->writeInt32(setConfig(node, index, params, size));
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 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 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;
}
case CREATE_RENDERER:
{
CHECK_INTERFACE(IOMX, data, reply);
sp<ISurface> isurface =
interface_cast<ISurface>(data.readStrongBinder());
const char *componentName = data.readCString();
OMX_COLOR_FORMATTYPE colorFormat =
static_cast<OMX_COLOR_FORMATTYPE>(data.readInt32());
size_t encodedWidth = (size_t)data.readInt32();
size_t encodedHeight = (size_t)data.readInt32();
size_t displayWidth = (size_t)data.readInt32();
size_t displayHeight = (size_t)data.readInt32();
sp<IOMXRenderer> renderer =
createRenderer(isurface, componentName, colorFormat,
encodedWidth, encodedHeight,
displayWidth, displayHeight);
reply->writeStrongBinder(renderer->asBinder());
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);
}
}
////////////////////////////////////////////////////////////////////////////////
class BpOMXRenderer : public BpInterface<IOMXRenderer> {
public:
BpOMXRenderer(const sp<IBinder> &impl)
: BpInterface<IOMXRenderer>(impl) {
}
virtual void render(IOMX::buffer_id buffer) {
Parcel data, reply;
data.writeInterfaceToken(IOMXRenderer::getInterfaceDescriptor());
data.writeIntPtr((intptr_t)buffer);
// NOTE: Do NOT make this a ONE_WAY call, it must be synchronous
// so that the caller knows when to recycle the buffer.
remote()->transact(RENDERER_RENDER, data, &reply);
}
};
IMPLEMENT_META_INTERFACE(OMXRenderer, "android.hardware.IOMXRenderer");
status_t BnOMXRenderer::onTransact(
uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
switch (code) {
case RENDERER_RENDER:
{
CHECK_INTERFACE(IOMXRenderer, data, reply);
IOMX::buffer_id buffer = (void*)data.readIntPtr();
render(buffer);
return NO_ERROR;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
} // namespace android
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