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/*
* 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.
*/
#ifndef ANDROID_IOMX_H_
#define ANDROID_IOMX_H_
#include <binder/IInterface.h>
#include <utils/List.h>
#include <utils/String8.h>
#include <OMX_Core.h>
#include <OMX_Video.h>
#include "jni.h"
namespace android {
class IMemory;
class IOMXObserver;
class IOMXRenderer;
class ISurface;
class Surface;
class IOMX : public IInterface {
public:
DECLARE_META_INTERFACE(OMX);
typedef void *buffer_id;
typedef void *node_id;
// Given the calling process' pid, returns true iff
// the implementation of the OMX interface lives in the same
// process.
virtual bool livesLocally(pid_t pid) = 0;
struct ComponentInfo {
String8 mName;
List<String8> mRoles;
};
virtual status_t listNodes(List<ComponentInfo> *list) = 0;
virtual status_t allocateNode(
const char *name, const sp<IOMXObserver> &observer,
node_id *node) = 0;
virtual status_t freeNode(node_id node) = 0;
virtual status_t sendCommand(
node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) = 0;
virtual status_t getParameter(
node_id node, OMX_INDEXTYPE index,
void *params, size_t size) = 0;
virtual status_t setParameter(
node_id node, OMX_INDEXTYPE index,
const void *params, size_t size) = 0;
virtual status_t getConfig(
node_id node, OMX_INDEXTYPE index,
void *params, size_t size) = 0;
virtual status_t setConfig(
node_id node, OMX_INDEXTYPE index,
const void *params, size_t size) = 0;
virtual status_t useBuffer(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer) = 0;
// This API clearly only makes sense if the caller lives in the
// same process as the callee, i.e. is the media_server, as the
// returned "buffer_data" pointer is just that, a pointer into local
// address space.
virtual status_t allocateBuffer(
node_id node, OMX_U32 port_index, size_t size,
buffer_id *buffer, void **buffer_data) = 0;
virtual status_t allocateBufferWithBackup(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer) = 0;
virtual status_t freeBuffer(
node_id node, OMX_U32 port_index, buffer_id buffer) = 0;
virtual status_t fillBuffer(node_id node, buffer_id buffer) = 0;
virtual status_t emptyBuffer(
node_id node,
buffer_id buffer,
OMX_U32 range_offset, OMX_U32 range_length,
OMX_U32 flags, OMX_TICKS timestamp) = 0;
virtual status_t getExtensionIndex(
node_id node,
const char *parameter_name,
OMX_INDEXTYPE *index) = 0;
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,
int32_t rotationDegrees) = 0;
// Note: These methods are _not_ virtual, it exists as a wrapper around
// the virtual "createRenderer" method above facilitating extraction
// of the ISurface from a regular Surface or a java Surface object.
sp<IOMXRenderer> createRenderer(
const sp<Surface> &surface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight,
int32_t rotationDegrees);
sp<IOMXRenderer> createRendererFromJavaSurface(
JNIEnv *env, jobject javaSurface,
const char *componentName,
OMX_COLOR_FORMATTYPE colorFormat,
size_t encodedWidth, size_t encodedHeight,
size_t displayWidth, size_t displayHeight,
int32_t rotationDegrees);
};
struct omx_message {
enum {
EVENT,
EMPTY_BUFFER_DONE,
FILL_BUFFER_DONE,
} type;
IOMX::node_id node;
union {
// if type == EVENT
struct {
OMX_EVENTTYPE event;
OMX_U32 data1;
OMX_U32 data2;
} event_data;
// if type == EMPTY_BUFFER_DONE
struct {
IOMX::buffer_id buffer;
} buffer_data;
// if type == FILL_BUFFER_DONE
struct {
IOMX::buffer_id buffer;
OMX_U32 range_offset;
OMX_U32 range_length;
OMX_U32 flags;
OMX_TICKS timestamp;
OMX_PTR platform_private;
OMX_PTR data_ptr;
} extended_buffer_data;
} u;
};
class IOMXObserver : public IInterface {
public:
DECLARE_META_INTERFACE(OMXObserver);
virtual void onMessage(const omx_message &msg) = 0;
};
class IOMXRenderer : public IInterface {
public:
DECLARE_META_INTERFACE(OMXRenderer);
virtual void render(IOMX::buffer_id buffer) = 0;
};
////////////////////////////////////////////////////////////////////////////////
class BnOMX : public BnInterface<IOMX> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
class BnOMXObserver : public BnInterface<IOMXObserver> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
class BnOMXRenderer : public BnInterface<IOMXRenderer> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
} // namespace android
#endif // ANDROID_IOMX_H_
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