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The following table lists most error codes found in various operating
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systems supported by FFmpeg.
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OS
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Code Std F LBMWwb Text (YMMV)
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E2BIG POSIX ++++++ Argument list too long
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EACCES POSIX ++++++ Permission denied
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EADDRINUSE POSIX +++..+ Address in use
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EADDRNOTAVAIL POSIX +++..+ Cannot assign requested address
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EADV +..... Advertise error
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EAFNOSUPPORT POSIX +++..+ Address family not supported
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EAGAIN POSIX + ++++++ Resource temporarily unavailable
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EALREADY POSIX +++..+ Operation already in progress
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EAUTH .++... Authentication error
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EBADARCH ..+... Bad CPU type in executable
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EBADE +..... Invalid exchange
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EBADEXEC ..+... Bad executable
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EBADF POSIX ++++++ Bad file descriptor
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EBADFD +..... File descriptor in bad state
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EBADMACHO ..+... Malformed Macho file
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EBADMSG POSIX ++4... Bad message
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EBADR +..... Invalid request descriptor
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EBADRPC .++... RPC struct is bad
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EBADRQC +..... Invalid request code
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EBADSLT +..... Invalid slot
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EBFONT +..... Bad font file format
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EBUSY POSIX - ++++++ Device or resource busy
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ECANCELED POSIX +++... Operation canceled
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ECHILD POSIX ++++++ No child processes
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ECHRNG +..... Channel number out of range
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ECOMM +..... Communication error on send
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ECONNABORTED POSIX +++..+ Software caused connection abort
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ECONNREFUSED POSIX - +++ss+ Connection refused
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ECONNRESET POSIX +++..+ Connection reset
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EDEADLK POSIX ++++++ Resource deadlock avoided
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EDEADLOCK +..++. File locking deadlock error
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EDESTADDRREQ POSIX +++... Destination address required
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EDEVERR ..+... Device error
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EDOM C89 - ++++++ Numerical argument out of domain
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EDOOFUS .F.... Programming error
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EDOTDOT +..... RFS specific error
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EDQUOT POSIX +++... Disc quota exceeded
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EEXIST POSIX ++++++ File exists
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EFAULT POSIX - ++++++ Bad address
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EFBIG POSIX - ++++++ File too large
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EFTYPE .++... Inappropriate file type or format
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EHOSTDOWN +++... Host is down
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EHOSTUNREACH POSIX +++..+ No route to host
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EHWPOISON +..... Memory page has hardware error
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EIDRM POSIX +++... Identifier removed
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EILSEQ C99 ++++++ Illegal byte sequence
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EINPROGRESS POSIX - +++ss+ Operation in progress
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EINTR POSIX - ++++++ Interrupted system call
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EINVAL POSIX + ++++++ Invalid argument
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EIO POSIX + ++++++ I/O error
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EISCONN POSIX +++..+ Socket is already connected
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EISDIR POSIX ++++++ Is a directory
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EISNAM +..... Is a named type file
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EKEYEXPIRED +..... Key has expired
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EKEYREJECTED +..... Key was rejected by service
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EKEYREVOKED +..... Key has been revoked
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EL2HLT +..... Level 2 halted
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EL2NSYNC +..... Level 2 not synchronized
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EL3HLT +..... Level 3 halted
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EL3RST +..... Level 3 reset
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ELIBACC +..... Can not access a needed shared library
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ELIBBAD +..... Accessing a corrupted shared library
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ELIBEXEC +..... Cannot exec a shared library directly
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ELIBMAX +..... Too many shared libraries
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ELIBSCN +..... .lib section in a.out corrupted
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ELNRNG +..... Link number out of range
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ELOOP POSIX +++..+ Too many levels of symbolic links
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EMEDIUMTYPE +..... Wrong medium type
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EMFILE POSIX ++++++ Too many open files
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EMLINK POSIX ++++++ Too many links
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EMSGSIZE POSIX +++..+ Message too long
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EMULTIHOP POSIX ++4... Multihop attempted
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ENAMETOOLONG POSIX - ++++++ File name too long
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ENAVAIL +..... No XENIX semaphores available
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ENEEDAUTH .++... Need authenticator
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ENETDOWN POSIX +++..+ Network is down
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ENETRESET SUSv3 +++..+ Network dropped connection on reset
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ENETUNREACH POSIX +++..+ Network unreachable
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ENFILE POSIX ++++++ Too many open files in system
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ENOANO +..... No anode
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ENOATTR .++... Attribute not found
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ENOBUFS POSIX - +++..+ No buffer space available
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ENOCSI +..... No CSI structure available
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ENODATA XSR +N4... No message available
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ENODEV POSIX - ++++++ No such device
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ENOENT POSIX - ++++++ No such file or directory
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ENOEXEC POSIX ++++++ Exec format error
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ENOFILE ...++. No such file or directory
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ENOKEY +..... Required key not available
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ENOLCK POSIX ++++++ No locks available
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ENOLINK POSIX ++4... Link has been severed
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ENOMEDIUM +..... No medium found
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ENOMEM POSIX ++++++ Not enough space
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ENOMSG POSIX +++..+ No message of desired type
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ENONET +..... Machine is not on the network
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ENOPKG +..... Package not installed
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ENOPROTOOPT POSIX +++..+ Protocol not available
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ENOSPC POSIX ++++++ No space left on device
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ENOSR XSR +N4... No STREAM resources
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ENOSTR XSR +N4... Not a STREAM
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ENOSYS POSIX + ++++++ Function not implemented
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ENOTBLK +++... Block device required
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ENOTCONN POSIX +++..+ Socket is not connected
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ENOTDIR POSIX ++++++ Not a directory
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ENOTEMPTY POSIX ++++++ Directory not empty
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ENOTNAM +..... Not a XENIX named type file
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ENOTRECOVERABLE SUSv4 - +..... State not recoverable
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ENOTSOCK POSIX +++..+ Socket operation on non-socket
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ENOTSUP POSIX +++... Operation not supported
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ENOTTY POSIX ++++++ Inappropriate I/O control operation
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ENOTUNIQ +..... Name not unique on network
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ENXIO POSIX ++++++ No such device or address
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EOPNOTSUPP POSIX +++..+ Operation not supported (on socket)
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EOVERFLOW POSIX +++..+ Value too large to be stored in data type
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EOWNERDEAD SUSv4 +..... Owner died
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EPERM POSIX - ++++++ Operation not permitted
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EPFNOSUPPORT +++..+ Protocol family not supported
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EPIPE POSIX - ++++++ Broken pipe
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EPROCLIM .++... Too many processes
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EPROCUNAVAIL .++... Bad procedure for program
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EPROGMISMATCH .++... Program version wrong
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EPROGUNAVAIL .++... RPC prog. not avail
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EPROTO POSIX ++4... Protocol error
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EPROTONOSUPPORT POSIX - +++ss+ Protocol not supported
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EPROTOTYPE POSIX +++..+ Protocol wrong type for socket
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EPWROFF ..+... Device power is off
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ERANGE C89 - ++++++ Result too large
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EREMCHG +..... Remote address changed
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EREMOTE +++... Object is remote
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EREMOTEIO +..... Remote I/O error
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ERESTART +..... Interrupted system call should be restarted
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ERFKILL +..... Operation not possible due to RF-kill
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EROFS POSIX ++++++ Read-only file system
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ERPCMISMATCH .++... RPC version wrong
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ESHLIBVERS ..+... Shared library version mismatch
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ESHUTDOWN +++..+ Cannot send after socket shutdown
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ESOCKTNOSUPPORT +++... Socket type not supported
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ESPIPE POSIX ++++++ Illegal seek
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ESRCH POSIX ++++++ No such process
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ESRMNT +..... Srmount error
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ESTALE POSIX +++..+ Stale NFS file handle
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ESTRPIPE +..... Streams pipe error
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ETIME XSR +N4... Stream ioctl timeout
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ETIMEDOUT POSIX - +++ss+ Connection timed out
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ETOOMANYREFS +++... Too many references: cannot splice
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ETXTBSY POSIX +++... Text file busy
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EUCLEAN +..... Structure needs cleaning
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EUNATCH +..... Protocol driver not attached
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EUSERS +++... Too many users
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EWOULDBLOCK POSIX +++..+ Operation would block
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EXDEV POSIX ++++++ Cross-device link
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EXFULL +..... Exchange full
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Notations:
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F: used in FFmpeg (-: a few times, +: a lot)
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SUSv3: Single Unix Specification, version 3
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SUSv4: Single Unix Specification, version 4
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XSR: XSI STREAMS (obsolete)
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OS: availability on some supported operating systems
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L: GNU/Linux
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B: BSD (F: FreeBSD, N: NetBSD)
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M: MacOS X
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W: Microsoft Windows (s: emulated with winsock, see libavformat/network.h)
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w: Mingw32 (3.17) and Mingw64 (2.0.1)
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b: BeOS
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