#include <stdlib.h>#include <string.h>#include <unistd.h>#include <omxcore.h>#include <OMX_Core.h>#include <OMX_Component.h>#include "omx_base_component.h"#include "omx_base_port.h"Go to the source code of this file.
Defines | |
| #define | DEFAULT_NUMBER_BUFFERS_PER_PORT 2 |
| #define | DEFAULT_MIN_NUMBER_BUFFERS_PER_PORT 2 |
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_FlushProcessingBuffers (omx_base_PortType *openmaxStandPort) |
| Releases buffers under processing. This function must be implemented in the derived classes, for the specific processing. | |
| 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_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_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. | |
| 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_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. | |
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.c.
| #define DEFAULT_MIN_NUMBER_BUFFERS_PER_PORT 2 |
The default value for the minimum number of needed buffers for each port.
Definition at line 42 of file omx_base_port.c.
Referenced by base_port_Constructor().
| #define DEFAULT_NUMBER_BUFFERS_PER_PORT 2 |
The default value for the number of needed buffers for each port.
Definition at line 40 of file omx_base_port.c.
Referenced by base_port_Constructor().
| 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::bIsFullOfBuffers, omx_base_PortType::bIsTransientToEnabled, OMX_PARAM_PORTDEFINITIONTYPE::bPopulated, BUFFER_ALLOCATED, BUFFER_FREE, DEB_LEV_ERR, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, DEB_LEV_SIMPLE_SEQ, DEBUG, omx_base_PortType::hTunneledComponent, omx_base_component_PrivateType::name, OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountActual, omx_base_PortType::nNumAssignedBuffers, OMX_PARAM_PORTDEFINITIONTYPE::nPortIndex, omx_base_PortType::nTunneledPort, omx_base_PortType::nTunnelFlags, OMX_ErrorBadPortIndex, OMX_ErrorIncorrectStateTransition, OMX_ErrorInsufficientResources, OMX_ErrorNone, OMX_TransStateLoadedToIdle, OMX_TRUE, OMX_UseBuffer, omx_base_PortType::pBufferQueue, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, queue(), 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.
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.
| openmaxStandPort | the ST port to be initialized | |
| isInput | specifices if the port is an input or an output |
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(), base_video_port_Constructor(), and omx_symbianoutputstreamsink_component_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.
| 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
| 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
| 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.
Releases buffers under 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
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 omx_base_component_PrivateType::bMgmtSem, checkHeader(), DEB_LEV_ERR, DEB_LEV_FULL_SEQ, DEB_LEV_FUNCTION_NAME, DEB_LEV_PARAMS, 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_ErrorNone, OMX_FALSE, OMX_StateExecuting, OMX_StateIdle, OMX_StateInvalid, OMX_StatePause, OMX_TransStateExecutingToIdle, OMX_TRUE, OMX_BUFFERHEADERTYPE::pBuffer, omx_base_PortType::pBufferQueue, omx_base_PortType::pBufferSem, OMX_COMPONENTTYPE::pComponentPrivate, omx_base_PortType::pInternalBufferStorage, PORT_IS_BEING_DISABLED, PORT_IS_BEING_FLUSHED, PORT_IS_BUFFER_SUPPLIER, PORT_IS_ENABLED, PORT_IS_TUNNELED, PORT_IS_TUNNELED_N_BUFFER_SUPPLIER, queue(), omx_base_PortType::sPortParam, omx_base_PortType::standCompContainer, omx_base_component_PrivateType::state, omx_base_component_PrivateType::transientState, and tsem_up().
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().
1.5.1