omx_base_port.h File Reference

#include "tsemaphore.h"
#include "queue.h"
#include "omx_classmagic.h"

Go to the source code of this file.

Data Structures

struct  omx_base_PortType

Defines

#define TUNNEL_USE_BUFFER_RETRY   20
#define TUNNEL_USE_BUFFER_RETRY_USLEEP_TIME   50000
#define PORT_IS_BEING_FLUSHED(pPort)   (pPort->bIsPortFlushed == OMX_TRUE)
#define PORT_IS_BEING_DISABLED(pPort)   (pPort->bIsTransientToDisabled == OMX_TRUE)
#define PORT_IS_ENABLED(pPort)   (pPort->sPortParam.bEnabled == OMX_TRUE)
#define PORT_IS_POPULATED(pPort)   (pPort->sPortParam.bPopulated == OMX_TRUE)
#define PORT_IS_TUNNELED(pPort)   (pPort->nTunnelFlags & TUNNEL_ESTABLISHED)
#define PORT_IS_DEEP_TUNNELED(pPort)   (pPort->nTunnelFlags & PROPRIETARY_COMMUNICATION_ESTABLISHED)
#define PORT_IS_BUFFER_SUPPLIER(pPort)   (pPort->nTunnelFlags & TUNNEL_IS_SUPPLIER)
#define PORT_IS_TUNNELED_N_BUFFER_SUPPLIER(pPort)   (pPort->nTunnelFlags== (TUNNEL_ESTABLISHED | TUNNEL_IS_SUPPLIER))
#define omx_base_PortType_FIELDS

Typedefs

typedef omx_base_PortType omx_base_PortType
 the base structure that describes each port.

Enumerations

enum  BUFFER_STATUS_FLAG { BUFFER_FREE = 0, BUFFER_ALLOCATED = 0x0001, BUFFER_ASSIGNED = 0x0002, HEADER_ALLOCATED = 0x0004 }
enum  TUNNEL_STATUS_FLAG { NO_TUNNEL = 0, TUNNEL_ESTABLISHED = 0x0001, TUNNEL_IS_SUPPLIER = 0x0002, PROPRIETARY_COMMUNICATION_ESTABLISHED = 0x0004 }
 the status of a port related to the tunneling with another component More...

Functions

OMX_ERRORTYPE base_port_Constructor (OMX_COMPONENTTYPE *openmaxStandComp, omx_base_PortType **openmaxStandPort, OMX_U32 nPortIndex, OMX_BOOL isInput)
 The base contructor for the generic OpenMAX ST port.
OMX_ERRORTYPE base_port_Destructor (omx_base_PortType *openmaxStandPort)
 The base destructor for the generic OpenMAX ST port.
OMX_ERRORTYPE base_port_DisablePort (omx_base_PortType *openmaxStandPort)
 Disables the port.
OMX_ERRORTYPE base_port_EnablePort (omx_base_PortType *openmaxStandPort)
 Enables the port.
OMX_ERRORTYPE base_port_SendBufferFunction (omx_base_PortType *openmaxStandPort, OMX_BUFFERHEADERTYPE *pBuffer)
 The entry point for sending buffers to the port.
OMX_ERRORTYPE base_port_AllocateBuffer (omx_base_PortType *openmaxStandPort, OMX_BUFFERHEADERTYPE **pBuffer, OMX_U32 nPortIndex, OMX_PTR pAppPrivate, OMX_U32 nSizeBytes)
 Called by the standard allocate buffer, it implements a base functionality.
OMX_ERRORTYPE base_port_UseBuffer (omx_base_PortType *openmaxStandPort, OMX_BUFFERHEADERTYPE **ppBufferHdr, OMX_U32 nPortIndex, OMX_PTR pAppPrivate, OMX_U32 nSizeBytes, OMX_U8 *pBuffer)
 Called by the standard use buffer, it implements a base functionality.
OMX_ERRORTYPE base_port_FreeBuffer (omx_base_PortType *openmaxStandPort, OMX_U32 nPortIndex, OMX_BUFFERHEADERTYPE *pBuffer)
 Called by the standard function.
OMX_ERRORTYPE base_port_FlushProcessingBuffers (omx_base_PortType *openmaxStandPort)
 Releases buffers under processing.
OMX_ERRORTYPE base_port_ReturnBufferFunction (omx_base_PortType *openmaxStandPort, OMX_BUFFERHEADERTYPE *pBuffer)
 Returns buffers when processed.
OMX_ERRORTYPE base_port_ComponentTunnelRequest (omx_base_PortType *openmaxStandPort, OMX_IN OMX_HANDLETYPE hTunneledComp, OMX_IN OMX_U32 nTunneledPort, OMX_INOUT OMX_TUNNELSETUPTYPE *pTunnelSetup)
 Setup Tunnel with the port.
OMX_ERRORTYPE base_port_AllocateTunnelBuffer (omx_base_PortType *openmaxStandPort, OMX_IN OMX_U32 nPortIndex, OMX_IN OMX_U32 nSizeBytes)
 Allocate Buffers for tunneling use.
OMX_ERRORTYPE base_port_FreeTunnelBuffer (omx_base_PortType *openmaxStandPort, OMX_U32 nPortIndex)
 Free buffers used in tunnel.

Detailed Description

Base class for OpenMAX ports to be used in derived components.

Copyright (C) 2007 STMicroelectronics Copyright (C) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

$Date$ Revision $Rev$ Author $Author$

Definition in file omx_base_port.h.

Define Documentation

#define omx_base_PortType_FIELDS

Setup tunnel with the port

Definition at line 110 of file omx_base_port.h.

#define PORT_IS_BEING_DISABLED ( pPort   )     (pPort->bIsTransientToDisabled == OMX_TRUE)

Definition at line 44 of file omx_base_port.h.

Referenced by base_port_SendBufferFunction().

#define PORT_IS_BEING_FLUSHED ( pPort   )     (pPort->bIsPortFlushed == OMX_TRUE)

Port Specific Macro's

Definition at line 43 of file omx_base_port.h.

Referenced by base_port_ReturnBufferFunction(), omx_audio_mixer_BufferMgmtFunction(), omx_base_filter_BufferMgmtFunction(), omx_base_sink_BufferMgmtFunction(), omx_base_source_BufferMgmtFunction(), and omx_base_source_twoport_BufferMgmtFunction().

#define PORT_IS_BUFFER_SUPPLIER ( pPort   )     (pPort->nTunnelFlags & TUNNEL_IS_SUPPLIER)

Definition at line 49 of file omx_base_port.h.

Referenced by base_port_DisablePort(), base_port_EnablePort(), base_port_FlushProcessingBuffers(), base_port_ReturnBufferFunction(), base_port_SendBufferFunction(), omx_base_component_DoStateSet(), omx_base_component_GetParameter(), and omx_base_component_MessageHandler().

#define PORT_IS_DEEP_TUNNELED ( pPort   )     (pPort->nTunnelFlags & PROPRIETARY_COMMUNICATION_ESTABLISHED)

Definition at line 48 of file omx_base_port.h.

#define PORT_IS_ENABLED ( pPort   )     (pPort->sPortParam.bEnabled == OMX_TRUE)

Definition at line 45 of file omx_base_port.h.

Referenced by base_port_DisablePort(), base_port_EnablePort(), base_port_SendBufferFunction(), omx_audio_mixer_BufferMgmtFunction(), omx_audio_mixer_component_BufferMgmtCallback(), omx_base_component_DoStateSet(), and omx_base_component_ParameterSanityCheck().

#define PORT_IS_POPULATED ( pPort   )     (pPort->sPortParam.bPopulated == OMX_TRUE)

Definition at line 46 of file omx_base_port.h.

#define PORT_IS_TUNNELED ( pPort   )     (pPort->nTunnelFlags & TUNNEL_ESTABLISHED)

Definition at line 47 of file omx_base_port.h.

Referenced by base_port_FlushProcessingBuffers(), base_port_ReturnBufferFunction(), base_port_SendBufferFunction(), omx_base_component_DoStateSet(), omx_base_component_GetParameter(), and omx_base_component_MessageHandler().

#define PORT_IS_TUNNELED_N_BUFFER_SUPPLIER ( pPort   )     (pPort->nTunnelFlags== (TUNNEL_ESTABLISHED | TUNNEL_IS_SUPPLIER))

Definition at line 50 of file omx_base_port.h.

Referenced by base_port_AllocateBuffer(), base_port_AllocateTunnelBuffer(), base_port_FlushProcessingBuffers(), base_port_FreeBuffer(), base_port_FreeTunnelBuffer(), base_port_ReturnBufferFunction(), base_port_SendBufferFunction(), base_port_UseBuffer(), videosrc_port_AllocateBuffer(), videosrc_port_AllocateTunnelBuffer(), videosrc_port_FreeBuffer(), and videosrc_port_FreeTunnelBuffer().

#define TUNNEL_USE_BUFFER_RETRY   20

Definition at line 37 of file omx_base_port.h.

Referenced by base_port_AllocateTunnelBuffer(), base_port_FreeTunnelBuffer(), videosrc_port_AllocateTunnelBuffer(), and videosrc_port_FreeTunnelBuffer().

#define TUNNEL_USE_BUFFER_RETRY_USLEEP_TIME   50000

Definition at line 38 of file omx_base_port.h.

Referenced by base_port_AllocateTunnelBuffer(), base_port_FreeTunnelBuffer(), videosrc_port_AllocateTunnelBuffer(), and videosrc_port_FreeTunnelBuffer().

Typedef Documentation

typedef struct omx_base_PortType omx_base_PortType

the base structure that describes each port.

The data structure that describes a port contains the basic elements used in the base component. Other elements can be added in the derived components structures.

Definition at line 109 of file omx_base_port.h.

Enumeration Type Documentation

enum BUFFER_STATUS_FLAG

The following enum values are used to characterize each buffer allocated or assigned to the component. A buffer list is created for each port of the component. The buffer can be assigned to the port, or owned by the port. The buffer flag are applied for each buffer in each port buffer list. The following use cases are currently implemented:

Enumerator:
BUFFER_FREE 
BUFFER_ALLOCATED  This flag is applied to a buffer when it is allocated by the given port of the component
BUFFER_ASSIGNED  This flag is applied to a buffer when it is assigned from another port or by the IL client
HEADER_ALLOCATED  This flag is applied to a buffer when buffer header is allocated by the given port of the component

Definition at line 76 of file omx_base_port.h.

enum TUNNEL_STATUS_FLAG

the status of a port related to the tunneling with another component

Enumerator:
NO_TUNNEL  No tunnel established
TUNNEL_ESTABLISHED  the TUNNEL_ESTABLISHED specifies if a port is tunneled. It is assigned to a private field of the port if it is tunneled
TUNNEL_IS_SUPPLIER  the TUNNEL_IS_SUPPLIER specifies if a tunneled port is the supplier. It is assigned to a private field of the port if it is tunneled and also it is the buffer supplier for the tunnel.
PROPRIETARY_COMMUNICATION_ESTABLISHED 

Definition at line 88 of file omx_base_port.h.

Function Documentation

OMX_ERRORTYPE base_port_AllocateBuffer ( omx_base_PortType *  openmaxStandPort,
OMX_BUFFERHEADERTYPE **  pBuffer,
OMX_U32  nPortIndex,
OMX_PTR  pAppPrivate,
OMX_U32  nSizeBytes 
)

Called by the standard allocate buffer, it implements a base functionality.

This function can be overriden if the allocation of the buffer is not a simply malloc call. The parameters are the same as the standard function, except for the handle of the port instead of the handler of the component When the buffers needed by this port are all assigned or allocated, the variable bIsFullOfBuffers becomes equal to OMX_TRUE

Definition at line 358 of file omx_base_port.c.

References omx_base_PortType::bBufferStateAllocated, omx_base_PortType::bIsFullOfBuffers, omx_base_PortType::bIsTransientToEnabled, OMX_PARAM_PORTDEFINITIONTYPE::bPopulated, BUFFER_ALLOCATED, BUFFER_FREE, DEB_LEV_ERR, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEB_LEV_SIMPLE_SEQ, DEBUG, OMX_PARAM_PORTDEFINITIONTYPE::eDir, HEADER_ALLOCATED, OMX_BUFFERHEADERTYPE::nAllocLen, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, OMX_PARAM_PORTDEFINITIONTYPE::nBufferSize, OMX_BUFFERHEADERTYPE::nInputPortIndex, omx_base_PortType::nNumAssignedBuffers, OMX_BUFFERHEADERTYPE::nOutputPortIndex, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, OMX_DirInput, OMX_ErrorBadPortIndex, OMX_ErrorIncorrectStateTransition, OMX_ErrorInsufficientResources, OMX_ErrorNone, OMX_TransStateLoadedToIdle, OMX_TRUE, omx_base_PortType::pAllocSem, OMX_BUFFERHEADERTYPE::pAppPrivate, OMX_BUFFERHEADERTYPE::pBuffer, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, OMX_BUFFERHEADERTYPE::pPlatformPrivate, setHeader(), omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::transientState, and tsem_up().

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_AllocateTunnelBuffer ( omx_base_PortType *  openmaxStandPort,
OMX_IN OMX_U32  nPortIndex,
OMX_IN OMX_U32  nSizeBytes 
)

Allocate Buffers for tunneling use.

Definition at line 584 of file omx_base_port.c.

References omx_base_PortType::bBufferStateAllocated, omx_base_PortType::bIsTransientToEnabled, BUFFER_FREE, DEB_LEV_ERR, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEBUG, omx_base_PortType::hTunneledComponent, omx_base_component_PrivateType::name, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunneledPort, omx_base_PortType::nTunnelFlags, OMX_ErrorBadPortIndex, OMX_ErrorIncorrectStateTransition, OMX_ErrorInsufficientResources, OMX_ErrorNone, OMX_TransStateLoadedToIdle, OMX_UseBuffer, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::transientState, TUNNEL_USE_BUFFER_RETRY, and TUNNEL_USE_BUFFER_RETRY_USLEEP_TIME.

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_ComponentTunnelRequest ( omx_base_PortType *  openmaxStandPort,
OMX_IN OMX_HANDLETYPE  hTunneledComp,
OMX_IN OMX_U32  nTunneledPort,
OMX_INOUT OMX_TUNNELSETUPTYPE *  pTunnelSetup 
)

Setup Tunnel with the port.

Todo:
insert here a detailed comparison with the OMX_AUDIO_PORTDEFINITIONTYPE

Definition at line 881 of file omx_base_port.c.

References OMX_PARAM_PORTDEFINITIONTYPE::audio, DEB_LEV_ERR, DEB_LEV_FULL_SEQ, DEBUG, OMX_PARAM_BUFFERSUPPLIERTYPE::eBufferSupplier, omx_base_PortType::eBufferSupplier, OMX_VIDEO_PORTDEFINITIONTYPE::eCompressionFormat, OMX_PARAM_PORTDEFINITIONTYPE::eDir, OMX_PARAM_PORTDEFINITIONTYPE::eDomain, OMX_AUDIO_PORTDEFINITIONTYPE::eEncoding, err, OMX_PARAM_PORTDEFINITIONTYPE::format, omx_base_PortType::hTunneledComponent, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountMin, omx_base_PortType::nNumTunnelBuffer, OMX_PARAM_BUFFERSUPPLIERTYPE::nPortIndex, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunneledPort, omx_base_PortType::nTunnelFlags, OMX_AUDIO_CodingMax, OMX_BufferSupplyInput, OMX_BufferSupplyOutput, OMX_BufferSupplyUnspecified, OMX_DirInput, OMX_ErrorNone, OMX_ErrorPortsNotCompatible, OMX_GetParameter, OMX_IndexParamCompBufferSupplier, OMX_IndexParamPortDefinition, OMX_PortDomainAudio, OMX_PortDomainVideo, OMX_PORTTUNNELFLAG_READONLY, OMX_SetParameter, OMX_VIDEO_CodingMax, setHeader(), omx_base_PortType::sPortParam, TUNNEL_ESTABLISHED, TUNNEL_IS_SUPPLIER, and OMX_PARAM_PORTDEFINITIONTYPE::video.

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_Constructor ( OMX_COMPONENTTYPE *  openmaxStandComp,
omx_base_PortType **  openmaxStandPort,
OMX_U32  nPortIndex,
OMX_BOOL  isInput 
)

The base contructor for the generic OpenMAX ST port.

This function is executed by the component that uses a port. The parameter contains the info about the component. It takes care of constructing the instance of the port and every object needed by the base port.

Parameters:
openmaxStandPort the ST port to be initialized
isInput specifices if the port is an input or an output
Returns:
OMX_ErrorInsufficientResources if a memory allocation fails

Allocate and initialize buffer queue

Definition at line 57 of file omx_base_port.c.

References base_port_AllocateBuffer(), base_port_AllocateTunnelBuffer(), base_port_ComponentTunnelRequest(), base_port_Destructor(), base_port_DisablePort(), base_port_EnablePort(), base_port_FlushProcessingBuffers(), base_port_FreeBuffer(), base_port_FreeTunnelBuffer(), base_port_ReturnBufferFunction(), base_port_SendBufferFunction(), base_port_UseBuffer(), DEB_LEV_FUNCTION_NAME, DEBUG, DEFAULT_MIN_NUMBER_BUFFERS_PER_PORT, DEFAULT_NUMBER_BUFFERS_PER_PORT, OMX_BufferSupplyUnspecified, OMX_DirInput, OMX_DirOutput, OMX_ErrorInsufficientResources, OMX_ErrorNone, OMX_FALSE, OMX_TRUE, queue_init(), setHeader(), and tsem_init().

Referenced by base_audio_port_Constructor(), and base_video_port_Constructor().

OMX_ERRORTYPE base_port_Destructor ( omx_base_PortType *  openmaxStandPort  ) 

The base destructor for the generic OpenMAX ST port.

This function is executed by the component that uses a port. The parameter contains the info about the component. It takes care of destructing the instance of the port and every object used by the base port.

Parameters:
openmaxStandPort the ST port to be disposed

Allocate and initialize buffer queue

Definition at line 132 of file omx_base_port.c.

References OMX_ErrorNone, omx_base_PortType::pAllocSem, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, queue_deinit(), and tsem_deinit().

Referenced by base_audio_port_Destructor(), base_port_Constructor(), base_video_port_Destructor(), and omx_camera_source_component_Destructor().

OMX_ERRORTYPE base_port_DisablePort ( omx_base_PortType *  openmaxStandPort  ) 

Disables the port.

This function is called due to a request by the IL client

Parameters:
openmaxStandPort the reference to the port

Definition at line 248 of file omx_base_port.c.

References OMX_PARAM_PORTDEFINITIONTYPE::bEnabled, omx_base_PortType::bIsTransientToDisabled, omx_base_component_PrivateType::bMgmtSem, DEB_LEV_ERR, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEBUG, dequeue(), err, omx_base_component_PrivateType::name, queue_t::nelem, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunnelFlags, OMX_ErrorNone, OMX_FALSE, OMX_StateLoaded, omx_base_PortType::pAllocSem, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::Port_FreeTunnelBuffer, PORT_IS_BUFFER_SUPPLIER, PORT_IS_ENABLED, tsem_t::semval, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::state, tsem_down(), tsem_reset(), and tsem_up().

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_EnablePort ( omx_base_PortType *  openmaxStandPort  ) 

Enables the port.

This function is called due to a request by the IL client

Parameters:
openmaxStandPort the reference to the port

Definition at line 302 of file omx_base_port.c.

References OMX_PARAM_PORTDEFINITIONTYPE::bEnabled, omx_base_PortType::bIsTransientToEnabled, omx_base_component_PrivateType::bMgmtSem, OMX_PARAM_PORTDEFINITIONTYPE::bPopulated, DEB_LEV_ERR, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEBUG, err, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, OMX_PARAM_PORTDEFINITIONTYPE::nBufferSize, queue_t::nelem, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunnelFlags, OMX_ErrorNone, OMX_FALSE, OMX_StateExecuting, OMX_StateLoaded, OMX_StateWaitForResources, OMX_TRUE, omx_base_PortType::pAllocSem, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::Port_AllocateTunnelBuffer, PORT_IS_BUFFER_SUPPLIER, PORT_IS_ENABLED, tsem_t::semval, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::state, tsem_down(), and tsem_up().

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_FlushProcessingBuffers ( omx_base_PortType *  openmaxStandPort  ) 

Releases buffers under processing.

This function must be implemented in the derived classes, for the specific processing

Definition at line 161 of file omx_base_port.c.

References omx_base_PortType::bIsPortFlushed, omx_base_component_PrivateType::bMgmtSem, omx_base_component_PrivateType::bStateSem, omx_base_PortType::BufferProcessedCallback, omx_base_component_PrivateType::callbackData, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEBUG, dequeue(), OMX_PARAM_PORTDEFINITIONTYPE::eDir, omx_base_component_PrivateType::flush_all_condition, omx_base_component_PrivateType::flush_condition, omx_base_component_PrivateType::flush_mutex, omx_base_PortType::hTunneledComponent, omx_base_component_PrivateType::name, queue_t::nelem, omx_base_PortType::nNumAssignedBuffers, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunnelFlags, OMX_DirInput, OMX_ErrorNone, OMX_FALSE, OMX_StatePause, OMX_TRUE, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, OMX_COMPONENTTYPE::pComponentPrivate, PORT_IS_BUFFER_SUPPLIER, PORT_IS_TUNNELED, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, queue(), tsem_t::semval, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::state, tsem_down(), tsem_reset(), tsem_signal(), and tsem_up().

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_FreeBuffer ( omx_base_PortType *  openmaxStandPort,
OMX_U32  nPortIndex,
OMX_BUFFERHEADERTYPE *  pBuffer 
)

Called by the standard function.

It frees the buffer header and in case also the buffer itself, if needed. When all the bufers are done, the variable bIsEmptyOfBuffers is set to OMX_TRUE

Definition at line 520 of file omx_base_port.c.

References omx_base_PortType::bBufferStateAllocated, omx_base_PortType::bIsEmptyOfBuffers, omx_base_PortType::bIsFullOfBuffers, omx_base_PortType::bIsTransientToDisabled, OMX_PARAM_PORTDEFINITIONTYPE::bPopulated, BUFFER_ALLOCATED, BUFFER_ASSIGNED, BUFFER_FREE, omx_base_component_PrivateType::callbackData, omx_base_component_PrivateType::callbacks, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEBUG, OMX_CALLBACKTYPE::EventHandler, HEADER_ALLOCATED, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, omx_base_PortType::nNumAssignedBuffers, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, OMX_ErrorBadPortIndex, OMX_ErrorInsufficientResources, OMX_ErrorNone, OMX_ErrorPortUnpopulated, OMX_EventError, OMX_FALSE, OMX_TransStateIdleToLoaded, OMX_TRUE, omx_base_PortType::pAllocSem, OMX_BUFFERHEADERTYPE::pBuffer, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::transientState, and tsem_up().

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_FreeTunnelBuffer ( omx_base_PortType *  openmaxStandPort,
OMX_U32  nPortIndex 
)

Free buffers used in tunnel.

Definition at line 660 of file omx_base_port.c.

References omx_base_PortType::bBufferStateAllocated, omx_base_PortType::bIsEmptyOfBuffers, omx_base_PortType::bIsFullOfBuffers, omx_base_PortType::bIsTransientToDisabled, OMX_PARAM_PORTDEFINITIONTYPE::bPopulated, BUFFER_ALLOCATED, BUFFER_ASSIGNED, BUFFER_FREE, omx_base_component_PrivateType::callbackData, omx_base_component_PrivateType::callbacks, DEB_LEV_ERR, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEBUG, OMX_CALLBACKTYPE::EventHandler, omx_base_PortType::hTunneledComponent, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, queue_t::nelem, omx_base_PortType::nNumAssignedBuffers, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunneledPort, OMX_ErrorBadPortIndex, OMX_ErrorIncorrectStateTransition, OMX_ErrorNone, OMX_ErrorPortUnpopulated, OMX_EventError, OMX_FALSE, OMX_FreeBuffer, OMX_TransStateIdleToLoaded, OMX_TRUE, OMX_BUFFERHEADERTYPE::pBuffer, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, tsem_t::semval, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::transientState, TUNNEL_USE_BUFFER_RETRY, and TUNNEL_USE_BUFFER_RETRY_USLEEP_TIME.

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_ReturnBufferFunction ( omx_base_PortType *  openmaxStandPort,
OMX_BUFFERHEADERTYPE *  pBuffer 
)

Returns buffers when processed.

Returns Input/Output Buffer to the IL client or Tunneled Component

Definition at line 818 of file omx_base_port.c.

References omx_base_PortType::BufferProcessedCallback, omx_base_component_PrivateType::callbackData, DEB_LEV_ERR, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEBUG, OMX_PARAM_PORTDEFINITIONTYPE::eDir, omx_base_PortType::hTunneledComponent, omx_base_component_PrivateType::name, OMX_BUFFERHEADERTYPE::nInputPortIndex, omx_base_PortType::nNumBufferFlushed, OMX_BUFFERHEADERTYPE::nOutputPortIndex, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunneledPort, OMX_DirInput, OMX_ErrorNone, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, OMX_COMPONENTTYPE::pComponentPrivate, PORT_IS_BEING_FLUSHED, PORT_IS_BUFFER_SUPPLIER, PORT_IS_TUNNELED, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, queue(), omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, and tsem_up().

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_SendBufferFunction ( omx_base_PortType *  openmaxStandPort,
OMX_BUFFERHEADERTYPE *  pBuffer 
)

The entry point for sending buffers to the port.

This function can be called by the EmptyThisBuffer or FillThisBuffer. It depends on the nature of the port, that can be an input or output port.

Definition at line 736 of file omx_base_port.c.

References DEB_LEV_ERR, DEB_LEV_FUNCTION_NAME, DEBUG, OMX_PARAM_PORTDEFINITIONTYPE::eDir, err, omx_base_component_PrivateType::name, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, OMX_BUFFERHEADERTYPE::nInputPortIndex, OMX_BUFFERHEADERTYPE::nOutputPortIndex, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, OMX_DirInput, OMX_ErrorBadParameter, OMX_ErrorBadPortIndex, OMX_ErrorIncorrectStateOperation, OMX_ErrorInvalidState, OMX_FALSE, OMX_StateExecuting, OMX_StateIdle, OMX_StateInvalid, OMX_StatePause, OMX_TransStateExecutingToIdle, OMX_TRUE, OMX_BUFFERHEADERTYPE::pBuffer, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_BEING_DISABLED, PORT_IS_BUFFER_SUPPLIER, PORT_IS_ENABLED, PORT_IS_TUNNELED, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::state, and omx_base_component_PrivateType::transientState.

Referenced by base_port_Constructor().

OMX_ERRORTYPE base_port_UseBuffer ( omx_base_PortType *  openmaxStandPort,
OMX_BUFFERHEADERTYPE **  ppBufferHdr,
OMX_U32  nPortIndex,
OMX_PTR  pAppPrivate,
OMX_U32  nSizeBytes,
OMX_U8 *  pBuffer 
)

Called by the standard use buffer, it implements a base functionality.

This function can be overriden if the use buffer implicate more complicated operations. The parameters are the same as the standard function, except for the handle of the port instead of the handler of the component. When the buffers needed by this port are all assigned or allocated, the variable bIsFullOfBuffers becomes equal to OMX_TRUE

Definition at line 436 of file omx_base_port.c.

References omx_base_PortType::bBufferStateAllocated, omx_base_PortType::bIsEmptyOfBuffers, omx_base_PortType::bIsFullOfBuffers, omx_base_PortType::bIsTransientToEnabled, OMX_PARAM_PORTDEFINITIONTYPE::bPopulated, BUFFER_ASSIGNED, BUFFER_FREE, DEB_LEV_ERR, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEBUG, OMX_PARAM_PORTDEFINITIONTYPE::eDir, HEADER_ALLOCATED, OMX_BUFFERHEADERTYPE::nAllocLen, omx_base_component_PrivateType::name, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, OMX_PARAM_PORTDEFINITIONTYPE::nBufferSize, OMX_BUFFERHEADERTYPE::nInputPortIndex, omx_base_PortType::nNumAssignedBuffers, OMX_BUFFERHEADERTYPE::nOutputPortIndex, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, OMX_DirInput, OMX_ErrorBadPortIndex, OMX_ErrorIncorrectStateTransition, OMX_ErrorInsufficientResources, OMX_ErrorNone, OMX_FALSE, OMX_TransStateLoadedToIdle, OMX_TRUE, omx_base_PortType::pAllocSem, OMX_BUFFERHEADERTYPE::pAppPrivate, OMX_BUFFERHEADERTYPE::pBuffer, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, OMX_BUFFERHEADERTYPE::pPlatformPrivate, setHeader(), omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::transientState, and tsem_up().

Referenced by base_port_Constructor().

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