Enumerations
enum	MMAL_STATUS_T { MMAL_SUCCESS = 0, MMAL_ENOMEM, MMAL_ENOSPC, MMAL_EINVAL, MMAL_ENOSYS, MMAL_ENOENT, MMAL_ENXIO, MMAL_EIO, MMAL_ESPIPE, MMAL_ECORRUPT, MMAL_ENOTREADY, MMAL_ECONFIG, MMAL_EISCONN, MMAL_ENOTCONN, MMAL_EAGAIN, MMAL_EFAULT, MMAL_STATUS_MAX = 0x7FFFFFFF }

Special Unknown Time Value
Timestamps in MMAL are defined as signed 64 bits integer values representing microseconds. However a pre-defined special value is used to signal that a timestamp is not known.
#define	MMAL_TIME_UNKNOWN (INT64_C(1)<<63)

Detailed Description

Definition for common types

Macro Definition Documentation

#define MMAL_TIME_UNKNOWN (INT64_C(1)<<63)

Special value signalling that time is not known

Definition at line 88 of file mmal_types.h.

typedef uint32_t MMAL_FOURCC_T

Four Character Code type

Definition at line 92 of file mmal_types.h.

Status return codes from the API.

Enumerator
MMAL_SUCCESS	Success
MMAL_ENOMEM	Out of memory
MMAL_ENOSPC	Out of resources (other than memory)
MMAL_EINVAL	Argument is invalid
MMAL_ENOSYS	Function not implemented
MMAL_ENOENT	No such file or directory
MMAL_ENXIO	No such device or address
MMAL_EIO	I/O error
MMAL_ESPIPE	Illegal seek
MMAL_ECORRUPT	Data is corrupt Attention FIXME: not POSIX
MMAL_ENOTREADY	Component is not ready Attention FIXME: not POSIX
MMAL_ECONFIG	Component is not configured Attention FIXME: not POSIX
MMAL_EISCONN	Port is already connected
MMAL_ENOTCONN	Port is disconnected
MMAL_EAGAIN	Resource temporarily unavailable. Try again later
MMAL_EFAULT	Bad address
MMAL_STATUS_MAX	Force to 32 bit

Definition at line 46 of file mmal_types.h.