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/*--------------------------------------------------------------------------
Copyright (c) 2009, The Linux Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of The Linux Foundation nor
the names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--------------------------------------------------------------------------*/
/*============================================================================
O p e n M A X w r a p p e r s
O p e n M A X C o m p o n e n t I n t e r f a c e
*//** @file qc_omx_component.h
This module contains the abstract interface for the OpenMAX components.
*//*========================================================================*/
#ifndef QC_OMX_COMPONENT_H
#define QC_OMX_COMPONENT_H
//////////////////////////////////////////////////////////////////////////////
// Include Files
//////////////////////////////////////////////////////////////////////////////
#include "OMX_Core.h"
#include "OMX_Component.h"
class qc_omx_component
{
public:
/* single member to hold the vtable */
OMX_COMPONENTTYPE m_cmp;
public:
// this is critical, otherwise, sub class destructor will not be called
virtual ~qc_omx_component(){}
// Initialize the component after creation
virtual OMX_ERRORTYPE component_init(OMX_IN OMX_STRING componentName)=0;
/*******************************************************************/
/* Standard OpenMAX Methods */
/*******************************************************************/
// Query the component for its information
virtual
OMX_ERRORTYPE get_component_version(OMX_HANDLETYPE cmp_handle,
OMX_STRING cmp_name,
OMX_VERSIONTYPE* cmp_version,
OMX_VERSIONTYPE* spec_version,
OMX_UUIDTYPE* cmp_UUID)=0;
// Invoke a command on the component
virtual
OMX_ERRORTYPE send_command(OMX_HANDLETYPE cmp_handle,
OMX_COMMANDTYPE cmd,
OMX_U32 param1,
OMX_PTR cmd_data)=0;
// Get a Parameter setting from the component
virtual
OMX_ERRORTYPE get_parameter(OMX_HANDLETYPE cmp_handle,
OMX_INDEXTYPE param_index,
OMX_PTR param_data)=0;
// Send a parameter structure to the component
virtual
OMX_ERRORTYPE set_parameter(OMX_HANDLETYPE cmp_handle,
OMX_INDEXTYPE param_index,
OMX_PTR param_data)=0;
// Get a configuration structure from the component
virtual
OMX_ERRORTYPE get_config(OMX_HANDLETYPE cmp_handle,
OMX_INDEXTYPE config_index,
OMX_PTR config_data)=0;
// Set a component configuration value
virtual
OMX_ERRORTYPE set_config(OMX_HANDLETYPE cmp_handle,
OMX_INDEXTYPE config_index,
OMX_PTR config_data)=0;
// Translate the vendor specific extension string to
// standardized index type
virtual
OMX_ERRORTYPE get_extension_index(OMX_HANDLETYPE cmp_handle,
OMX_STRING paramName,
OMX_INDEXTYPE* indexType)=0;
// Get Current state information
virtual
OMX_ERRORTYPE get_state(OMX_HANDLETYPE cmp_handle,
OMX_STATETYPE* state)=0;
// Component Tunnel Request
virtual
OMX_ERRORTYPE component_tunnel_request(OMX_HANDLETYPE cmp_handle,
OMX_U32 port,
OMX_HANDLETYPE peer_component,
OMX_U32 peer_port,
OMX_TUNNELSETUPTYPE* tunnel_setup)=0;
// Use a buffer already allocated by the IL client
// or a buffer already supplied by a tunneled component
virtual
OMX_ERRORTYPE use_buffer(OMX_HANDLETYPE cmp_handle,
OMX_BUFFERHEADERTYPE** buffer_hdr,
OMX_U32 port,
OMX_PTR app_data,
OMX_U32 bytes,
OMX_U8* buffer)=0;
// Request that the component allocate new buffer and associated header
virtual
OMX_ERRORTYPE allocate_buffer(OMX_HANDLETYPE cmp_handle,
OMX_BUFFERHEADERTYPE** buffer_hdr,
OMX_U32 port,
OMX_PTR app_data,
OMX_U32 bytes)=0;
// Release the buffer and associated header from the component
virtual
OMX_ERRORTYPE free_buffer(OMX_HANDLETYPE cmp_handle,
OMX_U32 port,
OMX_BUFFERHEADERTYPE* buffer)=0;
// Send a filled buffer to an input port of a component
virtual
OMX_ERRORTYPE empty_this_buffer(OMX_HANDLETYPE cmp_handle,
OMX_BUFFERHEADERTYPE* buffer)=0;
// Send an empty buffer to an output port of a component
virtual
OMX_ERRORTYPE fill_this_buffer(OMX_HANDLETYPE cmp_handle,
OMX_BUFFERHEADERTYPE* buffer)=0;
// Set callbacks
virtual
OMX_ERRORTYPE set_callbacks( OMX_HANDLETYPE cmp_handle,
OMX_CALLBACKTYPE* callbacks,
OMX_PTR app_data)=0;
// Component De-Initialize
virtual
OMX_ERRORTYPE component_deinit( OMX_HANDLETYPE cmp_handle)=0;
// Use the Image already allocated via EGL
virtual
OMX_ERRORTYPE use_EGL_image(OMX_HANDLETYPE cmp_handle,
OMX_BUFFERHEADERTYPE** buffer_hdr,
OMX_U32 port,
OMX_PTR app_data,
void* egl_image)=0;
// Component Role enum
virtual
OMX_ERRORTYPE component_role_enum( OMX_HANDLETYPE cmp_handle,
OMX_U8* role,
OMX_U32 index)=0;
};
#endif /* QC_OMX_COMPONENT_H */
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