64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
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afOpenFile(3)
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=============
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NAME
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----
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afOpenFile - open an audio file and create a file handle structure used
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for subsequent calls to the Audio File Library
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SYNOPSIS
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--------
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#include <audiofile.h>
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AFfilehandle afOpenFile(const char *path, const char *mode,
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AFfilesetup setup);
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PARAMETERS
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----------
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'path' is the path to the file to be opened.
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'mode' specifies a mode for opening the file: `"r"` for reading or
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`"w"` for writing.
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'setup' is an AFfilesetup created by linkaf:afNewFileSetup[3]. This value
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is ignored for files opened for reading except when the file format is
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`AF_FILE_RAWDATA`.
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RETURN VALUE
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------------
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Upon success, `afOpenFile` returns a valid `AFfilehandle` which can
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be used in subsequent calls to the Audio File Library. Upon failure,
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`afOpenFile` returns NULL and generates an error.
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linkaf:afCloseFile[3] is used to close the file when it is no longer
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needed.
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ERRORS
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------
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`afOpenFile` can produce the following errors:
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`AF_BAD_OPEN`:: A call to `open` failed.
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`AF_BAD_READ`:: A call to `read` failed
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`AF_BAD_WRITE`:: A call to `write` failed.
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`AF_BAD_LSEEK`:: A call to `lseek` failed.
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`AF_BAD_MALLOC`:: Memory allocation failed.
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`AF_BAD_FILEFMT`:: `setup` specifies a file format which is unsupported for `mode`.
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`AF_BAD_SAMPFMT`:: The file's sample format is not supported.
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`AF_BAD_WIDTH`:: The file's sample width is not supported.
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`AF_BAD_RATE`:: The file's sample rate is not supported.
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`AF_BAD_CHANNELS`:: The number of channels in the file is not supported.
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`AF_BAD_FILESETUP`:: `setup` specifies an invalid or unsupported configuration.
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SEE ALSO
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--------
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linkaf:afCloseFile[3],
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linkaf:afNewFileSetup[3],
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linkaf:afInitFileFormat[3],
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linkaf:afInitSampleFormat[3],
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linkaf:afReadFrames[3],
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linkaf:afWriteFrames[3]
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AUTHOR
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------
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Michael Pruett <michael@68k.org>
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