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84 lines
3.1 KiB
C
84 lines
3.1 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 mmal_common.h
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* Multi-Media Abstraction Layer - Common definitions
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*/
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#ifndef MMAL_COMMON_H
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#define MMAL_COMMON_H
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#include <stdlib.h>
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#include <string.h>
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#include <stddef.h>
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#include <assert.h>
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#include <interface/vcos/vcos.h>
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/* C99 64bits integers */
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#ifndef INT64_C
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# define INT64_C(value) value##LL
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# define UINT64_C(value) value##ULL
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#endif
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#define MMAL_TSRING(s) #s
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#define MMAL_TO_STRING(s) MMAL_TSRING(s)
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#define MMAL_COUNTOF(x) (sizeof((x))/sizeof((x)[0]))
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#define MMAL_MIN(a,b) ((a)<(b)?(a):(b))
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#define MMAL_MAX(a,b) ((a)<(b)?(b):(a))
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/* FIXME: should be different for big endian */
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#define MMAL_FOURCC(a,b,c,d) ((a) | (b << 8) | (c << 16) | (d << 24))
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#define MMAL_PARAM_UNUSED(a) (void)(a)
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#define MMAL_MAGIC MMAL_FOURCC('m','m','a','l')
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typedef int32_t MMAL_BOOL_T;
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#define MMAL_FALSE 0
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#define MMAL_TRUE 1
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typedef struct MMAL_CORE_STATISTICS_T
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{
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uint32_t buffer_count; /**< Total buffer count on this port */
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uint32_t first_buffer_time; /**< Time (us) of first buffer seen on this port */
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uint32_t last_buffer_time; /**< Time (us) of most recently buffer on this port */
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uint32_t max_delay; /**< Max delay (us) between buffers, ignoring first few frames */
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} MMAL_CORE_STATISTICS_T;
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/** Statistics collected by the core on all ports, if enabled in the build.
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*/
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typedef struct MMAL_CORE_PORT_STATISTICS_T
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{
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MMAL_CORE_STATISTICS_T rx;
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MMAL_CORE_STATISTICS_T tx;
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} MMAL_CORE_PORT_STATISTICS_T;
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/** Unsigned 16.16 fixed point value, also known as Q16.16 */
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typedef uint32_t MMAL_FIXED_16_16_T;
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#endif /* MMAL_COMMON_H */
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