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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 <gui/IGraphicBufferProducer.h>
#include <gui/IGraphicBufferConsumer.h>
#include <ui/GraphicBuffer.h>
#include <utils/List.h>
#include <utils/String8.h>
#include <list>
#include <media/hardware/MetadataBufferType.h>
#include <OMX_Core.h>
#include <OMX_Video.h>
namespace android {
class IMemory;
class IOMXObserver;
class IOMXRenderer;
class NativeHandle;
class Surface;
class IOMX : public IInterface {
public:
DECLARE_META_INTERFACE(OMX);
typedef uint32_t buffer_id;
typedef uint32_t node_id;
// Given a node_id and the calling process' pid, returns true iff
// the implementation of the OMX interface lives in the same
// process.
virtual bool livesLocally(node_id node, 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,
sp<IBinder> *nodeBinder,
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 getState(
node_id node, OMX_STATETYPE* state) = 0;
// This will set *type to previous metadata buffer type on OMX error (not on binder error), and
// new metadata buffer type on success.
virtual status_t storeMetaDataInBuffers(
node_id node, OMX_U32 port_index, OMX_BOOL enable, MetadataBufferType *type = NULL) = 0;
virtual status_t prepareForAdaptivePlayback(
node_id node, OMX_U32 portIndex, OMX_BOOL enable,
OMX_U32 maxFrameWidth, OMX_U32 maxFrameHeight) = 0;
virtual status_t configureVideoTunnelMode(
node_id node, OMX_U32 portIndex, OMX_BOOL tunneled,
OMX_U32 audioHwSync, native_handle_t **sidebandHandle) = 0;
virtual status_t enableNativeBuffers(
node_id node, OMX_U32 port_index, OMX_BOOL graphic, OMX_BOOL enable) = 0;
virtual status_t getGraphicBufferUsage(
node_id node, OMX_U32 port_index, OMX_U32* usage) = 0;
// Use |params| as an OMX buffer, but limit the size of the OMX buffer to |allottedSize|.
virtual status_t useBuffer(
node_id node, OMX_U32 port_index, const sp<IMemory> &params,
buffer_id *buffer, OMX_U32 allottedSize) = 0;
virtual status_t useGraphicBuffer(
node_id node, OMX_U32 port_index,
const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) = 0;
virtual status_t updateGraphicBufferInMeta(
node_id node, OMX_U32 port_index,
const sp<GraphicBuffer> &graphicBuffer, buffer_id buffer) = 0;
virtual status_t updateNativeHandleInMeta(
node_id node, OMX_U32 port_index,
const sp<NativeHandle> &nativeHandle, buffer_id buffer) = 0;
// This will set *type to resulting metadata buffer type on OMX error (not on binder error) as
// well as on success.
virtual status_t createInputSurface(
node_id node, OMX_U32 port_index, android_dataspace dataSpace,
sp<IGraphicBufferProducer> *bufferProducer,
MetadataBufferType *type = NULL) = 0;
virtual status_t createPersistentInputSurface(
sp<IGraphicBufferProducer> *bufferProducer,
sp<IGraphicBufferConsumer> *bufferConsumer) = 0;
// This will set *type to resulting metadata buffer type on OMX error (not on binder error) as
// well as on success.
virtual status_t setInputSurface(
node_id node, OMX_U32 port_index,
const sp<IGraphicBufferConsumer> &bufferConsumer,
MetadataBufferType *type) = 0;
virtual status_t signalEndOfInputStream(node_id node) = 0;
// Allocate an opaque buffer as a native handle. If component supports returning native
// handles, those are returned in *native_handle. Otherwise, the allocated buffer is
// returned in *buffer_data. This 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 allocateSecureBuffer(
node_id node, OMX_U32 port_index, size_t size,
buffer_id *buffer, void **buffer_data, sp<NativeHandle> *native_handle) = 0;
// Allocate an OMX buffer of size |allotedSize|. Use |params| as the backup buffer, which
// may be larger.
virtual status_t allocateBufferWithBackup(
node_id node, OMX_U32 port_index, const sp<IMemory> &params,
buffer_id *buffer, OMX_U32 allottedSize) = 0;
virtual status_t freeBuffer(
node_id node, OMX_U32 port_index, buffer_id buffer) = 0;
enum {
kFenceTimeoutMs = 1000
};
// Calls OMX_FillBuffer on buffer, and passes |fenceFd| to component if it supports
// fences. Otherwise, it waits on |fenceFd| before calling OMX_FillBuffer.
// Takes ownership of |fenceFd| even if this call fails.
virtual status_t fillBuffer(node_id node, buffer_id buffer, int fenceFd = -1) = 0;
// Calls OMX_EmptyBuffer on buffer (after updating buffer header with |range_offset|,
// |range_length|, |flags| and |timestamp|). Passes |fenceFd| to component if it
// supports fences. Otherwise, it waits on |fenceFd| before calling OMX_EmptyBuffer.
// Takes ownership of |fenceFd| even if this call fails.
virtual status_t emptyBuffer(
node_id node,
buffer_id buffer,
OMX_U32 range_offset, OMX_U32 range_length,
OMX_U32 flags, OMX_TICKS timestamp, int fenceFd = -1) = 0;
virtual status_t getExtensionIndex(
node_id node,
const char *parameter_name,
OMX_INDEXTYPE *index) = 0;
enum InternalOptionType {
INTERNAL_OPTION_SUSPEND, // data is a bool
INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY, // data is an int64_t
INTERNAL_OPTION_MAX_TIMESTAMP_GAP, // data is int64_t
INTERNAL_OPTION_MAX_FPS, // data is float
INTERNAL_OPTION_START_TIME, // data is an int64_t
INTERNAL_OPTION_TIME_LAPSE, // data is an int64_t[2]
INTERNAL_OPTION_COLOR_ASPECTS, // data is ColorAspects
};
virtual status_t setInternalOption(
node_id node,
OMX_U32 port_index,
InternalOptionType type,
const void *data,
size_t size) = 0;
};
struct omx_message {
enum {
EVENT,
EMPTY_BUFFER_DONE,
FILL_BUFFER_DONE,
FRAME_RENDERED,
} type;
IOMX::node_id node;
int fenceFd; // used for EMPTY_BUFFER_DONE and FILL_BUFFER_DONE; client must close this
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;
} extended_buffer_data;
// if type == FRAME_RENDERED
struct {
OMX_TICKS timestamp;
OMX_S64 nanoTime;
} render_data;
} u;
};
class IOMXObserver : public IInterface {
public:
DECLARE_META_INTERFACE(OMXObserver);
// Handle (list of) messages.
virtual void onMessages(const std::list<omx_message> &messages) = 0;
};
////////////////////////////////////////////////////////////////////////////////
class BnOMX : public BnInterface<IOMX> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
protected:
// check if the codec is secure.
virtual bool isSecure(IOMX::node_id node) {
return false;
}
};
class BnOMXObserver : public BnInterface<IOMXObserver> {
public:
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
struct CodecProfileLevel {
OMX_U32 mProfile;
OMX_U32 mLevel;
};
inline static const char *asString(MetadataBufferType i, const char *def = "??") {
using namespace android;
switch (i) {
case kMetadataBufferTypeCameraSource: return "CameraSource";
case kMetadataBufferTypeGrallocSource: return "GrallocSource";
case kMetadataBufferTypeANWBuffer: return "ANWBuffer";
case kMetadataBufferTypeNativeHandleSource: return "NativeHandleSource";
case kMetadataBufferTypeInvalid: return "Invalid";
default: return def;
}
}
} // namespace android
#endif // ANDROID_IOMX_H_