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/*
* portbase.h, port base class
*
* Copyright (c) 2009-2010 Wind River Systems, Inc.
*
* 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 __PORTBASE_H
#define __PORTBASE_H
#include <pthread.h>
#include <OMX_Core.h>
#include <OMX_Component.h>
#include <list.h>
#include <queue.h>
typedef OMX_U8* CustomMemAlloc(OMX_U32 nSizeBytes, OMX_PTR pUserData);
typedef void CustomMemFree(OMX_U8 *pBuffer, OMX_PTR pUserData);
class PortBase
{
public:
/*
* constructor & destructor
*/
PortBase();
PortBase(const OMX_PARAM_PORTDEFINITIONTYPE *portdefinition);
virtual ~PortBase();
/* end of constructor & destructor */
/*
* accessor
*/
/* owner */
void SetOwner(OMX_COMPONENTTYPE *handle);
OMX_COMPONENTTYPE *GetOwner(void);
/* for ReturnThisBuffer() */
OMX_ERRORTYPE SetCallbacks(OMX_HANDLETYPE hComponent,
OMX_CALLBACKTYPE *pCallbacks,
OMX_PTR pAppData);
/* end of accessor */
OMX_ERRORTYPE SetMemAllocator(CustomMemAlloc *pMemAlloc, CustomMemFree *pMemFree, OMX_PTR pUserData);
/* set port buffer alignment, nAlignment=0 means alignment disabled */
OMX_ERRORTYPE SetMemAlignment(OMX_U32 nAlignment);
/*
* component methods & helpers
*/
/* Get/SetParameter */
OMX_ERRORTYPE SetPortDefinition(const OMX_PARAM_PORTDEFINITIONTYPE *p,
bool overwrite_readonly);
const OMX_PARAM_PORTDEFINITIONTYPE *GetPortDefinition(void);
/* Use/Allocate/FreeBuffer */
OMX_ERRORTYPE UseBuffer(OMX_BUFFERHEADERTYPE **ppBufferHdr,
OMX_U32 nPortIndex,
OMX_PTR pAppPrivate,
OMX_U32 nSizeBytes,
OMX_U8 *pBuffer);
OMX_ERRORTYPE AllocateBuffer(OMX_BUFFERHEADERTYPE **ppBuffer,
OMX_U32 nPortIndex,
OMX_PTR pAppPrivate,
OMX_U32 nSizeBytes);
OMX_ERRORTYPE FreeBuffer(OMX_U32 nPortIndex,
OMX_BUFFERHEADERTYPE *pBuffer);
/*
* called in ComponentBase::TransStateToLoaded(OMX_StateIdle) or
* in ComponentBase::TransStateToIdle(OMX_StateLoaded)
* wokeup by Use/Allocate/FreeBuffer
*/
void WaitPortBufferCompletion(void);
/* Empty/FillThisBuffer */
OMX_ERRORTYPE PushThisBuffer(OMX_BUFFERHEADERTYPE *pBuffer);
OMX_BUFFERHEADERTYPE *PopBuffer(void);
OMX_U32 BufferQueueLength(void);
/* Empty/FillBufferDone */
OMX_ERRORTYPE ReturnThisBuffer(OMX_BUFFERHEADERTYPE *pBuffer);
OMX_ERRORTYPE RetainAndReturnBuffer(OMX_BUFFERHEADERTYPE *pRetain, OMX_BUFFERHEADERTYPE *pReturn);
/* retain buffer */
OMX_ERRORTYPE RetainThisBuffer(OMX_BUFFERHEADERTYPE *pBuffer,
bool accumulate);
/*
* components have responsibilty of calling this function to return all
* accumulated buffers to omx-il clients.
*/
void ReturnAllRetainedBuffers(void);
/* flush all buffers not under processing */
OMX_ERRORTYPE FlushPort(void);
bool IsEnabled(void);
OMX_DIRTYPE GetPortDirection(void);
OMX_U32 GetPortBufferCount(void);
OMX_ERRORTYPE PushMark(OMX_MARKTYPE *mark);
OMX_MARKTYPE *PopMark(void);
/* SendCommand(OMX_CommandPortDisable/Enable) */
OMX_ERRORTYPE TransState(OMX_U8 state);
/* EventHandler(OMX_EventPortSettingChanged) */
OMX_ERRORTYPE ReportPortSettingsChanged(void);
OMX_ERRORTYPE ReportOutputCrop(void);
/* get frame size */
OMX_U32 getFrameBufSize(OMX_COLOR_FORMATTYPE colorFormat, OMX_U32 width, OMX_U32 height);
/* end of component methods & helpers */
/* TransState, state */
static const OMX_U8 OMX_PortDisabled = 0;
static const OMX_U8 OMX_PortEnabled = 1;
private:
/* common routines for constructor */
void __PortBase(void);
/*
* component methods & helpers
*/
OMX_STATETYPE GetOwnerState(void);
/* end of component methods & helpers */
/* buffer headers */
struct list *buffer_hdrs;
OMX_U32 nr_buffer_hdrs;
bool buffer_hdrs_completion; /* Use/Allocate/FreeBuffer completion flag */
pthread_mutex_t hdrs_lock;
pthread_cond_t hdrs_wait;
struct queue bufferq;
pthread_mutex_t bufferq_lock;
/* retained buffers (only accumulated buffer) */
struct queue retainedbufferq;
pthread_mutex_t retainedbufferq_lock;
struct queue markq;
pthread_mutex_t markq_lock;
/* state */
OMX_U8 state;
pthread_mutex_t state_lock;
CustomMemAlloc *custom_mem_alloc;
CustomMemFree *custom_mem_free;
OMX_PTR custom_mem_userdata;
OMX_U32 mem_alignment;
/* parameter */
OMX_PARAM_PORTDEFINITIONTYPE portdefinition;
/* room for portdefinition.format.*.cMIMEType */
char definition_format_mimetype[OMX_MAX_STRINGNAME_SIZE];
OMX_AUDIO_PARAM_PORTFORMATTYPE audioparam;
/* owner handle */
OMX_COMPONENTTYPE *owner;
/* omx standard callbacks */
OMX_PTR appdata;
OMX_CALLBACKTYPE *callbacks;
/* wrs component handle */
class ComponentBase *cbase;
/* Input port size limit. The limit is set to be the size of a 1080P 4:4:4 raw image size,
which is 1920x1080x3. */
enum {
MAX_INPUT_PORT_SIZE = 6220800
};
};
/* end of PortBase */
#endif /* __PORTBASE_H */
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