forked from Qortal/Brooklyn
115 lines
4.4 KiB
C
115 lines
4.4 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file
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* OpenMAX IL adaptation layer for MMAL - Parameters related functions
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*/
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#ifndef MMALOMX_UTIL_PARAMS_H
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#define MMALOMX_UTIL_PARAMS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** The structure that all OMX parameters containing a port start with */
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typedef struct MMALOMX_PARAM_OMX_HEADER_T
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{
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OMX_U32 nSize;
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OMX_VERSIONTYPE nVersion;
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OMX_U32 nPortIndex;
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} MMALOMX_PARAM_OMX_HEADER_T;
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/** The structure that all OMX parameters without a port start with */
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typedef struct MMALOMX_PARAM_OMX_HEADER_PORTLESS_T
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{
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OMX_U32 nSize;
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OMX_VERSIONTYPE nVersion;
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} MMALOMX_PARAM_OMX_HEADER_PORTLESS_T;
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typedef enum {
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MMALOMX_PARAM_MAPPING_TO_MMAL,
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MMALOMX_PARAM_MAPPING_TO_OMX
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} MMALOMX_PARAM_MAPPING_DIRECTION;
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typedef struct MMALOMX_PARAM_ENUM_TRANSLATE_T {
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uint32_t mmal;
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uint32_t omx;
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} MMALOMX_PARAM_ENUM_TRANSLATE_T;
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typedef enum MMALOMX_PARAM_TRANSLATION_TYPE_T {
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MMALOMX_PARAM_TRANSLATION_TYPE_NONE = 0,
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MMALOMX_PARAM_TRANSLATION_TYPE_SIMPLE,
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MMALOMX_PARAM_TRANSLATION_TYPE_CUSTOM,
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MMALOMX_PARAM_TRANSLATION_TYPE_DIRECT,
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} MMALOMX_PARAM_TRANSLATION_TYPE_T;
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/** MMAL <-> OMX parameter translation information */
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typedef struct MMALOMX_PARAM_TRANSLATION_T
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{
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uint32_t mmal_id; /**< MMAL parameter id */
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uint32_t omx_id; /**< OpenMAX IL parameter index */
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unsigned int mmal_size:16;
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unsigned int omx_size:16;
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unsigned int portless:1;
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unsigned int double_translation:1;
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MMALOMX_PARAM_TRANSLATION_TYPE_T type:4;
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struct {
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MMAL_STATUS_T (*simple)(MMALOMX_PARAM_MAPPING_DIRECTION dir,
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MMAL_PARAMETER_HEADER_T *mmal_param, OMX_PTR omx_param);
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MMAL_STATUS_T (*generic)(MMALOMX_PARAM_MAPPING_DIRECTION dir,
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const struct MMALOMX_PARAM_TRANSLATION_T *xlat,
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MMAL_PARAMETER_HEADER_T *mmal_param, OMX_PTR omx_param, MMAL_PORT_T *mmal_port);
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MMAL_STATUS_T (*list)(MMALOMX_PARAM_MAPPING_DIRECTION dir,
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const struct MMALOMX_PARAM_TRANSLATION_T *xlat, unsigned int index,
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MMAL_PARAMETER_HEADER_T *mmal_param, OMX_PTR omx_param, MMAL_PORT_T *mmal_port);
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MMAL_STATUS_T (*custom)(MMALOMX_PARAM_MAPPING_DIRECTION dir,
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const struct MMALOMX_PARAM_TRANSLATION_T *xlat,
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MMAL_PARAMETER_HEADER_T *mmal_param, OMX_PTR omx_param, MMAL_PORT_T *mmal_port);
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} fn;
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const struct MMALOMX_PARAM_ENUM_TRANSLATE_T *xlat_enum;
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unsigned int xlat_enum_num;
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const char *mmal_name; /**< MMAL parameter name */
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const char *omx_name; /**< OMX parameter name */
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} MMALOMX_PARAM_TRANSLATION_T;
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const char *mmalomx_parameter_name_omx(uint32_t id);
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const char *mmalomx_parameter_name_mmal(uint32_t id);
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const MMALOMX_PARAM_TRANSLATION_T *mmalomx_find_parameter_from_omx_id(uint32_t id);
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const MMALOMX_PARAM_TRANSLATION_T *mmalomx_find_parameter_from_mmal_id(uint32_t id);
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const MMALOMX_PARAM_TRANSLATION_T *mmalomx_find_parameter_enum(unsigned int index);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MMALOMX_UTIL_PARAMS_H */
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