section 3 · Library functions 📚

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M (continued)

MP4AddRtpHint(3)Add an RTP hint✨
MP4AddRtpImmediateData(3)Add immediate data to an RTP packet✨
MP4AddRtpPacket(3)Add an RTP packet✨
MP4AddRtpSampleData(3)Add media sample data to an RTP packet✨
MP4AddRtpVideoHint(3)Add an RTP video specific hint✨
MP4AddTrackEdit(3)Add an edit segment to a track✨
MP4AppendHintTrackSdp(3)Add to the SDP media level description of the hint track✨
MP4AppendSessionSdp(3)Add to the SDP session level description of the file✨
MP4BinaryToBase16(3)Convert binary data to a base 16 string✨
MP4BinaryToBase64(3)Convert binary data to a base 64 string✨
MP4CloneTrack(3)Make a clone of a specified track✨
MP4ConvertFromMovieDuration(3)Convert a duration from the movie (file) time scale to a specified time scale.✨
MP4ConvertFromTrackTimestamp(3)Convert a timestamp from the track time scale to a specified time scale.✨
MP4ConvertToTrackTimestamp(3)Convert a timestamp from a specified time scale to the track time scale.✨
MP4CopyTrack(3)Make a copy of a specified track✨
MP4DeleteTrack(3)Delete a track✨
MP4DeleteTrackEdit(3)Delete a track edit segment✨
MP4FindTrackId(3)Find a track id✨
MP4FindTrackIndex(3)Find a track index✨
MP4GetAudioProfileLevel(3)Gets the minimum MPEG-4 audio profile and level required to render the contents of the file✨
MP4GetDuration(3)Get the duration of the movie (file)✨
MP4GetGraphicsProfileLevel(3)Gets the minimum MPEG-4 graphics profile and level required to render the contents of the file✨
MP4GetHintTrackReferenceTrackId(3)Get the reference track id for a hint track✨
MP4GetHintTrackRtpPayload(3)Get the RTP payload parameters of the hint track✨
MP4GetHintTrackSdp(3)Get the SDP media level description associated with a hint track✨
MP4GetNumberOfTracks(3)Get the number of tracks✨
MP4GetODProfileLevel(3)Gets the minimum MPEG-4 object descriptor profile and level required to render the contents of the file✨
MP4GetRtpHintNumberOfPackets(3)Get the number of packets in an RTP hint✨
MP4GetRtpPacketBFrame(3)Get the B frame flag of an RTP packet✨
MP4GetRtpPacketTransmitOffset(3)Get the transmit offset of an RTP packet✨
MP4GetRtpTimestampStart(3)Get the RTP start time of a hint track✨
MP4GetSampleIdFromEditTime(3)Get the sample id of a specified time in the edit list timeline✨
MP4GetSceneProfileLevel(3)Gets the minimum MPEG-4 scene graph profile and level required to render the contents of the file✨
MP4GetSessionSdp(3)Get the SDP session level description of the file✨
MP4GetTrackAudioMpeg4Type(3)Get the encoding type of an MPEG-4 audio track✨
MP4GetTrackAudioType(3)Get the encoding type of an audio track✨
MP4GetTrackBitRate(3)Get the average bit rate in bits per second of the specified track✨
MP4GetTrackDuration(3)Get the duration of a track✨
MP4GetTrackEditDuration(3)Get the duration of a track edit segment✨
MP4GetTrackEditDwell(3)Get the dwell value of a track edit segment✨
MP4GetTrackEditMediaStart(3)Get the media start time of a track edit segment✨
MP4GetTrackEditStart(3)Get the start time of a track edit segment✨
MP4GetTrackEditTotalDuration(3)Get the total duration of a sequence of track edit segments✨
MP4GetTrackESConfiguration(3)Get the elementary stream (ES) configuration of a track✨
MP4GetTrackFixedSampleDuration(3)Get the fixed duration of samples in a track✨
MP4GetTrackNumberOfEdits(3)Get the number of edit segments for a track✨
MP4GetTrackNumberOfSamples(3)Get the number of samples in a track✨
MP4GetTrackVideoFrameRate(3)Get the video frame rate of the specified video track✨
MP4GetTrackVideoHeight(3)Get the video height in pixels of the specified video track✨
MP4GetTrackVideoType(3)Get the encoding type of a video track✨
MP4GetTrackVideoWidth(3)Get the video width in pixels of the specified video track✨
MP4GetVideoProfileLevel(3)Gets the minimum MPEG-4 video profile and level required to render the contents of the file✨
MP4MakeIsmaCompliant(3)Add ISMA compliant OD and Scene tracks✨
MP4ReadRtpHint(3)Read an RTP hint✨
MP4ReadRtpPacket(3)Read an RTP packet✨
MP4ReadSampleFromEditTime(3)Read a track sample based on a specified edit list time✨
MP4SetAudioProfileLevel(3)Sets the minimum MPEG-4 audio profile and level required to render the contents of the file✨
MP4SetGraphicsProfileLevel(3)Sets the minimum MPEG-4 graphics profile and level required to render the contents of the file✨
MP4SetHintTrackRtpPayload(3)Set the RTP payload parameters of the hint track✨
MP4SetHintTrackSdp(3)Set the SDP media level description of the hint track✨
MP4SetODProfileLevel(3)Sets the minimum MPEG-4 object descriptor profile and level required to render the contents of the file✨
MP4SetRtpTimestampStart(3)Set the RTP start time of a hint track✨
MP4SetSceneProfileLevel(3)Sets the minimum MPEG-4 scene graph profile and level required to render the contents of the file✨
MP4SetSessionSdp(3)Set the SDP session level description of the file✨
MP4SetTrackEditDuration(3)Set the duration of a track edit segment✨
MP4SetTrackEditDwell(3)Set the dwell value of a track edit segment✨
MP4SetTrackEditMediaStart(3)Set the media start time of a track edit segment✨
MP4SetTrackESConfiguration(3)Set the elementary stream (ES) configuration of a track✨
MP4SetVideoProfileLevel(3)Sets the minimum MPEG-4 video profile and level required to render the contents of the file✨
MP4WriteRtpHint(3)Write an RTP hint✨
mp_capacity(3)✨
mp_count(3)✨
mp_create(3)✨
mp_init(3)✨
mp_session(3)✨
mpath_persistent_reserve_in(3)send PRIN command to DM device✨
mpath_persistent_reserve_out(3)send PROUT command to DM device✨
mpchln(3NCARG)This routine is called repeatedly as boundary lines are processed by MPLNAM, MPLNDM, and MPLNDR. The default version of the routine does nothing. A user-supplied version may take action to change…✨
mpdecimal(3)4.0.1✨
mpeg_es.h(3)Provides the table parser for the MPEG- TS Elementary Stream.✨
mpeg_pes.h(3)Provides the table parser for the MPEG-PES Elementary Stream.✨
mpeg_ts.h(3)Provides the table parser for the MPEG- PES Elementary Stream.✨
mpfnme(3NCARG)Given the area identifier of one of the areas defined by whatever database was last read by one of the EZMAPB routines MPLNAM, MPLNDM, MPLNDR, and MPLNRI, this function returns the full name of the…✨
mpgetc(3NCARG)Gets the current value of a specified EZMAP parameter of type CHARACTER. MPGETC is an alternate name for the routine MAPGTC.✨
mpgeti(3NCARG)Gets the current value of a specified EZMAP parameter of type INTEGER. MPGETI is an alternate name for the routine MAPGTI.✨
mpgetl(3NCARG)Gets the current value of a specified EZMAP parameter of type LOGICAL. MPGETL is an alternate name for the routine MAPGTL.✨
mpgetr(3NCARG)Gets the current value of a specified EZMAP parameter of type REAL. MPGETR is an alternate name for the routine MAPGTR.✨
mpglty(3NCARG)Retrieves the type of the line currently being drawn by MPLNDM.✨
MPI(3)General information Open MPI gitclone.✨
MPI.openmpi(3)General information Open MPI 4.1.6.✨
mpi4py(3)MPI for Python Author Lisandro Dalcin Contact <dalcinl@gmail.com> Date March 20, 2026 Abstract MPI for Python provides Python bindings for the Message Passing Interface (MPI) standard, allowing…✨
MPI_2DOUBLE_PRECISION(3)Meaning of MPI's defined constants✨
MPI_2INT(3)Meaning of MPI's defined constants✨
MPI_2INTEGER(3)Meaning of MPI's defined constants✨
MPI_2REAL(3)Meaning of MPI's defined constants✨
MPI_Abi_get_fortran_booleans(3)Get the size of Fortran logical type and the .TRUE. and .FALSE. value✨
MPI_Abi_get_fortran_info(3)Return an info object that provides information related to the Fortran ABI✨
MPI_Abi_get_info(3)Return an info object that provides information related to the ABI✨
MPI_Abi_get_version(3)Return the standard ABI version✨
MPI_Abi_set_fortran_booleans(3)Set Fortran logical type size and the value for .TRUE. and .FALSE.✨
MPI_Abi_set_fortran_info(3)Set Fortran datatype sizes and whether optional Fortran types are supported✨
MPI_Abort(3)✨
MPI_Abort.openmpi(3)✨
MPI_Accumulate(3)✨
MPI_Accumulate.openmpi(3)✨
MPI_Accumulate_c(3)Accumulate data into the target process using remote memory access✨
MPI_Add_error_class(3)✨
MPI_Add_error_class.openmpi(3)✨
MPI_Add_error_code(3)✨
MPI_Add_error_code.openmpi(3)✨
MPI_Add_error_string(3)✨
MPI_Add_error_string.openmpi(3)✨
MPI_Address(3)✨
MPI_Address.openmpi(3)✨
MPI_AINT(3)Meaning of MPI's defined constants✨
MPI_Aint(3)Meaning of MPI's defined constants✨
MPI_Aint_add(3)✨
MPI_Aint_add.openmpi(3)✨
MPI_Aint_diff(3)✨
MPI_Aint_diff.openmpi(3)✨
MPI_Allgather(3)✨
MPI_Allgather.openmpi(3)✨
MPI_Allgather_c(3)Gathers data from all tasks and distribute the combined data to all tasks✨
MPI_Allgather_init(3)Create a persistent request for allgather.✨
MPI_Allgather_init.openmpi(3)✨
MPI_Allgather_init_c(3)Create a persistent request for allgather.✨
MPI_Allgatherv(3)✨
MPI_Allgatherv.openmpi(3)✨
MPI_Allgatherv_c(3)Gathers data from all tasks and deliver the combined data to all tasks✨
MPI_Allgatherv_init(3)Create a persistent request for allgatherv.✨
MPI_Allgatherv_init.openmpi(3)✨
MPI_Allgatherv_init_c(3)Create a persistent request for allgatherv.✨
MPI_Alloc_mem(3)✨
MPI_Alloc_mem.openmpi(3)✨
MPI_Allreduce(3)✨
MPI_Allreduce.openmpi(3)✨
MPI_Allreduce_c(3)Combines values from all processes and distributes the result back to all processes✨
MPI_Allreduce_init(3)Create a persistent request for allreduce✨
MPI_Allreduce_init.openmpi(3)✨
MPI_Allreduce_init_c(3)Create a persistent request for allreduce✨
MPI_Alltoall(3)✨
MPI_Alltoall.openmpi(3)✨
MPI_Alltoall_c(3)Sends data from all to all processes✨
MPI_Alltoall_init(3)Create a persistent request for alltoall.✨
MPI_Alltoall_init.openmpi(3)✨
MPI_Alltoall_init_c(3)Create a persistent request for alltoall.✨
MPI_Alltoallv(3)✨
MPI_Alltoallv.openmpi(3)✨
MPI_Alltoallv_c(3)Sends data from all to all processes; each process may send a different amount of data and provide displacements for the input and output data.✨
MPI_Alltoallv_init(3)Create a persistent request for alltoallv.✨
MPI_Alltoallv_init.openmpi(3)✨
MPI_Alltoallv_init_c(3)Create a persistent request for alltoallv.✨
MPI_Alltoallw(3)✨
MPI_Alltoallw.openmpi(3)✨
MPI_Alltoallw_c(3)Generalized all-to-all communication allowing different datatypes, counts, and displacements for each partner✨
MPI_Alltoallw_init(3)Create a persistent request for alltoallw.✨
MPI_Alltoallw_init.openmpi(3)✨
MPI_Alltoallw_init_c(3)Create a persistent request for alltoallw.✨
MPI_ANY_SOURCE(3)Meaning of MPI's defined constants✨
MPI_ANY_TAG(3)Meaning of MPI's defined constants✨
MPI_APPNUM(3)Meaning of MPI's defined constants✨
MPI_ARGV_NULL(3)Meaning of MPI's defined constants✨
MPI_ARGVS_NULL(3)Meaning of MPI's defined constants✨
MPI_Attr_delete(3)✨
MPI_Attr_delete.openmpi(3)✨
MPI_Attr_get(3)✨
MPI_Attr_get.openmpi(3)✨
MPI_Attr_put(3)✨
MPI_Attr_put.openmpi(3)✨
MPI_BAND(3)Meaning of MPI's defined constants✨
MPI_Barrier(3)✨
MPI_Barrier.openmpi(3)✨
MPI_Barrier_init(3)Creates a persistent request for barrier✨
MPI_Barrier_init.openmpi(3)✨
MPI_Bcast(3)✨
MPI_Bcast.openmpi(3)✨
MPI_Bcast_c(3)Broadcasts a message from the process with rank "root" to all other processes of the communicator✨
MPI_Bcast_init(3)Creates a persistent request for broadcast✨
MPI_Bcast_init.openmpi(3)✨
MPI_Bcast_init_c(3)Creates a persistent request for broadcast✨
MPI_BOR(3)Meaning of MPI's defined constants✨
MPI_BOTTOM(3)Meaning of MPI's defined constants✨
MPI_Bsend(3)✨
MPI_Bsend.openmpi(3)✨
MPI_Bsend_c(3)Basic send with user-provided buffering✨
MPI_Bsend_init(3)✨
MPI_Bsend_init.openmpi(3)✨
MPI_Bsend_init_c(3)Builds a handle for a buffered send✨
MPI_BSEND_OVERHEAD(3)Meaning of MPI's defined constants✨
MPI_Buffer_attach(3)✨
MPI_Buffer_attach.openmpi(3)✨
MPI_Buffer_attach_c(3)Attaches a user-provided buffer for sending✨
MPI_BUFFER_AUTOMATIC(3)Meaning of MPI's defined constants✨
MPI_Buffer_detach(3)✨
MPI_Buffer_detach.openmpi(3)✨
MPI_Buffer_detach_c(3)Removes an existing buffer (for use in MPI_Bsend etc)✨
MPI_Buffer_flush(3)block until all messages currently in the globally shared buffer of the calling process have been transmitted✨
MPI_Buffer_iflush(3)start a nonblocking flush in the globally shared buffer✨
MPI_BXOR(3)Meaning of MPI's defined constants✨
MPI_BYTE(3)Meaning of MPI's defined constants✨