Return Codes

Return Code	Reason
`exportReturn_ErrNone`	Operation has completed without error.
`exportReturn_Abort`	User aborted the export.
`exportReturn_Done`	Export finished normally.
`exportReturn_InternalError`	Return this if none of the other errors apply.
`exportReturn_OutOfDiskSpace`	Out of disk space error.
`exportReturn_BufferFull`	The offset into the buffer would overflow it.
`exportReturn_ErrOther`	The vaguer the better, right?
`exportReturn_ErrMemory`	Out of memory.
`exportReturn_ErrFileNotFound`	File not found.
`exportReturn_ErrTooManyOpenFiles`	Too many open files.
`exportReturn_ErrPermErr`	Permission violation.
`exportReturn_ErrOpenErr`	Unable to open the file.
`exportReturn_ErrInvalidDrive`	Invalid drive.
`exportReturn_ErrDupFile`	Duplicate filename.
`exportReturn_ErrIo`	File I/O error.
`exportReturn_ErrInUse`	File is in use.
`exportReturn_IterateExporter`	Return value from `exSelStartup` to request exporter iteration.
`exportReturn_IterateExporterDone`	Return value from `exSelStartup` to indicate there are no more exporters.
`exportReturn_InternalErrorSilent`	Return error code from `exSelExport` to put a custom error message on screen just before returning control to the host.
`exportReturn_ErrCodecBadInput`	A video codec refused the input format.
`exportReturn_ErrLastErrorSet`	The exporter is returning an error using the Error Suite.
`exportReturn_ErrLastWarningSet`	The exporter is returning a warning using the Error Suite.
`exportReturn_ErrLastInfoSet`	The exporter is returning information using the Error Suite.
`exportReturn_ErrExceedsMaxFormatDuration`	The exporter (or the host) has deemed the duration of the export to be too large.
`exportReturn_VideoCodecNeedsActivation`	The current video codec is not activated and cannot be used.
`exportReturn_AudioCodecNeedsActivation`	The current audio codec is not activated and cannot be used.
`exportReturn_IncompatibleAudioChannelType`	The requested audio channels are not compatible with the source audio.
`exportReturn_IncompatibleVideoCodec`	New in CS5. User tried to load a preset with an invalid video codec
`exportReturn_IncompatibleAudioCodec`	New in CS5. User tried to load a preset with an invalid audio codec
`exportReturn_ParamButtonCancel`	New in CS5.5. Return this from `exSelParamButton` if the user cancelled settings dialog by pressing cancel button.
`exportReturn_ErrMediaFormat`	Error encountered writing to media format.
`exportReturn_ErrVideoEncoderCreation`	Error encountered while creating video encoder.
`exportReturn_ErrAudioEncoderConfiguration`	Error encountered configuring audio encoder.
`exportReturn_ErrVideoEncoderConfiguration`	Error encountered configuring video encoder.
`exportReturn_ErrInvalidPixelFormat`	Pixel format not compatible with output format.
`exportReturn_ErrOutputBuffer`	Error creating output buffer.
`exportReturn_ErrInputBuffer`	Error accessing input buffer.
`exportReturn_ErrAudioEncoder`	Error encountered during audio encoding.
`exportReturn_ErrVideoEncoder`	Error encountered during video encoding.
`exportReturn_ErrMuxer`	Error encountered during muxing.
`exportReturn_ErrVersion`	Error encountered because of versions.
`exportReturn_ErrColorSpace`	Specified color space is not compatible with output format.
`exportReturn_ErrVideoEncoderAdaptor`	Error encountered using video encoding adaptor.
`exportReturn_ErrPixelBufferCreation`	Error creating pixel buffer.
`exportReturn_ErrPixelBufferLock`	Error encountered locking buffer.
`exportReturn_ErrPixelBufferPlanarFormat`	Error encountered with pixel buffer planar format.
`exportReturn_ErrPixelBufferBytesMatch`	Error encountered with byte matching, within pixel buffer.
`exportReturn_ErrPixelBufferUnlock`	Error encountered unlocking buffer.
`exportReturn_ErrPixelBufferException`	Error encountered; exception accessing buffer.
`exportReturn_ErrPixelBufferAppend`	Error appending to pixel buffer.
`exportReturn_Unsupported`	Unsupported selector.