507 lines
20 KiB
D
507 lines
20 KiB
D
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/****************************************************************************
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*
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* AVIFILE.D
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*
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* Autodoc for the AVI clipboard and editing functions.
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*
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***************************************************************************/
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//
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// Defines for the dwFlags field of the AVICOMPRESSOPTIONS struct
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//
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#define AVICOMPRESSF_INTERLEAVE 0x00000001
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#define AVICOMPRESSF_DATARATE 0x00000002
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#define AVICOMPRESSF_KEYFRAMES 0x00000004
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#define AVICOMPRESSF_VALID 0x00000008 // has valid data?
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STDAPI_(void) AVIFileInit(void); // Call this first!
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STDAPI_(void) AVIFileExit(void);
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#define MAKE_AVIERR(error) MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 0x4000 + error)
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#define AVIERR_UNSUPPORTED MAKE_AVIERR(101)
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#define AVIERR_BADFORMAT MAKE_AVIERR(102)
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#define AVIERR_MEMORY MAKE_AVIERR(103)
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#define AVIERR_INTERNAL MAKE_AVIERR(104)
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#define AVIERR_BADFLAGS MAKE_AVIERR(105)
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#define AVIERR_BADPARAM MAKE_AVIERR(106)
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#define AVIERR_BADSIZE MAKE_AVIERR(107)
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#define AVIERR_BADHANDLE MAKE_AVIERR(108)
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#define AVIERR_FILEREAD MAKE_AVIERR(109)
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#define AVIERR_FILEWRITE MAKE_AVIERR(110)
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#define AVIERR_FILEOPEN MAKE_AVIERR(111)
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#define AVIERR_COMPRESSOR MAKE_AVIERR(112)
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#define AVIERR_NOCOMPRESSOR MAKE_AVIERR(113)
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#define AVIERR_READONLY MAKE_AVIERR(114)
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#define AVIERR_NODATA MAKE_AVIERR(115)
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#define AVIERR_BUFFERTOOSMALL MAKE_AVIERR(116)
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#define AVIERR_CANTCOMPRESS MAKE_AVIERR(117)
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#define AVIERR_USERABORT MAKE_AVIERR(198)
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#define AVIERR_ERROR MAKE_AVIERR(199)
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#endif
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/*****************************************************************************
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* @doc EXTERNAL AVISTREAMINFO
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*
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* @types AVISTREAMINFO | This structure contains information
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* for a single stream. It is similar to, but not
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* identical to <t AVIStreamHeader> found in AVI files.
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*
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* @field DWORD | fccType | Specifies a four-character code
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* indicating the stream type. The following
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* constants have been defined for the data commonly
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* found in AVI streams:
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*
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* @flag streamtypeAUDIO | Indicates an audio stream.
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* @flag streamtypeMIDI | Indicates a MIDI stream.
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* @flag streamtypeTEXT | Indicates a text stream.
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* @flag streamtypeVIDEO | Indicates a video stream.
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*
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* @field DWORD | fccHandler | For a video stream, specifies the
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* four-character code of the compressor handler that
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* will compress this stream when it is saved
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* (For example, mmioFOURCC('M','S','V','C')).
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* This member is not used for audio streams.
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*
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* @field DWORD | dwFlags | Specifies any applicable flags. The bits
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* in the high-order word of these flags are specific
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* to the type of data contained in the stream. The following
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* flags are defined:
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*
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* @flag AVISF_DISABLED | Indicates this stream should not be enabled by default.
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* @flag AVISF_VIDEO_PALCHANGES | Indicates this video stream contains
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* palette changes. This flag warns the playback software that it will need
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* to animate the palette.
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*
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* @field DWORD | dwCaps | Specifies capability flags. This is currently
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* unused.
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*
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* @field WORD | wPriority | Specifies the priority of the stream.
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*
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* @field WORD | wLanguage | Specifies the language of the stream.
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*
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* @field DWORD | dwScale | This member is used with <e AVISTREAMINFO.dwRate>
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* to specify the time scale this stream will use.
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* Dividing <e AVISTREAMINFO.dwRate> by <e AVISTREAMINFO.dwScale>
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* gives the number of samples per second.
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* For video streams, this rate should be the frame rate.
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* For audio streams, this rate should correspond to the time
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* needed for <e WAVEFORMAT.nBlockAlign> bytes of audio,
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* which for PCM audio simply reduces to the sample rate.
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*
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* @field DWORD | dwRate | See <e AVISTREAMINFO.dwScale>.
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*
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* @field DWORD | dwStart | Specifies the starting time of the AVI file.
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* The units are defined by the <e AVISTREAMINFO.dwRate>
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* and <e AVISTREAMINFO.dwScale> members of this structure.
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* Normally, this is zero, but it can specify a
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* delay time for a stream which does not start concurrently
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* with the file.
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* Note: The 1.0 release of the AVI tools does not support
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* a non-zero starting time.
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*
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* @field DWORD | dwLength | Specifies the length of this stream.
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* The units are defined by the <e AVISTREAMINFO.dwRate>
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* and <e AVISTREAMINFO.dwScale> members of this structure.
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*
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* @field DWORD | dwInitialFrames | Specifies how far audio
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* data is skewed ahead of the video frames in
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* interleaved files. Typically, this is about 0.75 seconds.
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*
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* @field DWORD | dwSuggestedBufferSize | Suggests how large a buffer
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* should be used to read this stream. Typically, this
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* contains a value corresponding to the largest chunk
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* present in the stream. Using the correct buffer size
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* makes playback more efficient. Use zero if you
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* do not know the correct buffer size.
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*
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* @field DWORD | dwQuality | Specifies an indicator of the quality of
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* the data in the stream. Quality is represented as a number
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* between 0 and 10000. For compressed data, this typically represents
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* the value of the quality parameter passed to the compression software.
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* If set to -1, drivers use the default quality value.
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*
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* @field DWORD | dwSampleSize | Specifies the size of a single
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* sample of data. This is set to zero if the samples can
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* vary in size. If this number is non-zero, then multiple
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* samples of data can be grouped into a single chunk
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* within the file. If it is zero, each sample of data (such as a
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* video frame) must be in a separate chunk.
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*
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* For video streams, this number is typically zero, although it can
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* be non-zero if all video frames are the same size. For audio streams,
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* this number should be the same as the <e WAVEFORMAT.nBlockAlign>
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* member of the <t WAVEFORMAT> structure describing the audio.
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*
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* @field RECT | rcFrame | Specifies the dimensions of the destination
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* rectangle for the video. The coordinates rpresent the
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* the upper-left corner, and the height and width.
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*
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* @field DWORD | dwEditCount | Specifies the number of times the
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* stream has been edited. The stream handler maintains this
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* count.
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*
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* @field DWORD | dwFormatChangeCount | Specifies the number of times
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* stream format has changed. The stream handler maintains this
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* count.
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*
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* @field char | szName[64] | Specifies a zero-terminated string containing
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* a description of the stream.
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*
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***************************************************************************/
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/*****************************************************************************
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* @doc EXTERNAL AVIFILEINFO
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*
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* @types AVIFILEINFO | This structure contains global information
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* for an entire AVI file. It is similar to, but not
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* identical to <t MainAVIHeader> found in AVI files.
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*
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* @field DWORD | dwMaxBytesPerSec | Specifies the approximate maximum
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* data rate of file.
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*
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* @field DWORD | dwFlags | Specifies any applicable flags.
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* The following flags are defined:
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*
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* @flag AVIF_HASINDEX | Indicates the AVI file has
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* an index at the end of the file. For good performance,
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* all AVI files should contain an index.
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* @flag AVIF_MUSTUSEINDEX | Indicates that the index, rather than the
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* physical ordering of the chunks in the file, should be used to
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* determine the order of presentation of the data. For example, this
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* could be used for creating a list frames for editing.
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* @flag AVIF_ISINTERLEAVED | Indicates the AVI file is interleaved.
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* @flag AVIF_WASCAPTUREFILE | Indicates the AVI file is a specially
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* allocated file used for capturing real-time video. Applications
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* should warn the user before writing over a file with this flag set
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* because the user probably defragmented this file.
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* @flag AVIF_COPYRIGHTED | Indicates the AVI file contains copyrighted
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* data and software. When this flag is used, software should
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* not permit the data to be duplicated.
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*
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* @field DWORD | dwCaps | Specifies capability flags. This is currently unused.
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*
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* @field DWORD | dwStreams | Specifies the number of streams in the file.
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* For example, a file with audio and video has two streams.
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*
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* @field DWORD | dwSuggestedBufferSize | Specifies the suggested buffer
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* size for reading the file. Generally, this size should be large
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* enough to contain the largest chunk in the file. If set to zero, or
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* if it is too small, the playback software will have to reallocate
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* memory during playback which will reduce performance.
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*
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* For an interleaved file, this buffer size should be large enough to read
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* an entire record and not just a chunk.
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*
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* @field DWORD | dwWidth | Specifies the width of the AVI file in pixels.
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*
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* @field DWORD | dwHeight | Specifies the height of the AVI file in pixels.
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*
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* @field DWORD | dwScale | This field is used with <e AVIFILEINFO.dwRate>
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* to specify the time scale that the file as a whole will use. In addition,
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* each stream can have its own time scale.
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* Dividing <e AVIFILEINFO.dwRate> by <e AVIFILEINFO.dwScale>
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* gives the number of samples per second.
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*
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* @field DWORD | dwRate | See <e AVIFILEINFO.dwScale>.
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*
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* @field DWORD | dwLength | Specifies the length of the AVI file.
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* The units are defined by <e AVIFILEINFO.dwRate> and
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* <e AVIFILEINFO.dwScale> .
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*
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* @field DWORD | dwEditCount | Specifies the number of streams that have
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* been added or deleted.
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*
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* @field char | szFileType[64] | Specifies a zero-terminated string
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* containing descriptive information for the file type.
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*
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***************************************************************************/
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/**************************************************************************
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* @doc EXTERNAL AVIPutFileOnClipboard
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*
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* @api STDAPI | AVIPutFileOnClipboard | Copies an AVI file onto the Clipboard.
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*
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* @parm PAVIFILE | pf | Specifies a handle to an open AVI file.
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*
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* @rdesc Returns zero if successful; otherwise returns an error code.
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*
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* @comm This function will also copy data with the CF_DIB and
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* CF_WAVE Clipboard flags onto the Clipboard.
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*
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*************************************************************************/
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/**************************************************************************
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* @doc EXTERNAL AVIGetFromClipboard
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*
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* @api STDAPI | AVIGetFromClipboard | Copies an AVI file from the Clipboard.
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*
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* @parm PAVIFILE * | lppf | Specifies the location used to return
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* the handle created for the AVI file.
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*
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* @rdesc Returns zero if successful; otherwise returns an error code.
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*
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* @comm This function will also copy data with the CF_DIB or CF_WAVE
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* Clipboard flags.
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*
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*************************************************************************/
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/**************************************************************************
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* @doc EXTERNAL AVIClearClipboard
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*
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* @api STDAPI | AVIClearClipboard | Clears an AVI file from the Clipboard.
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* Use this function before ending your application to clear the
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* contents of the Clipboard.
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*
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* @rdesc Returns zero if successful; otherwise returns an error code.
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*
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*************************************************************************/
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/**************************************************************************
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* @doc EXTERNAL CreateEditableStream
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*
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* @api STDAPI | CreateEditableStream | Creates an editable stream.
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* Use this function before using other <f EditStream> functions.
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*
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* @parm PAVISTREAM FAR * | ppsEditable | Specifies a pointer to the location
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* used to return the handle to the new stream.
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*
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* @parm PAVISTREAM | psSource | Specifies a handle to the open stream
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* used as the source of data. Specify NULL to create
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* an empty editable string that you can copy and paste data
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* into.
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*
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* @rdesc Returns zero if successful; otherwise returns an error code.
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*
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* @comm The stream pointer returned in <p ppsEditable> must be
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* used as the source stream in the other <f EditStream> functions.
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*
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* Internally, this function creates tables to keep track of
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* changes to a stream. The original stream is never changed
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* by the <f EditStream> functions. The stream pointer
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* created by this function can be used in any AVIFile function
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* that accepts stream pointers. You can use this function on
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* the same stream multiple times. A copy of a stream is not
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* affected by changes in another copy.
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*
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*************************************************************************/
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/**************************************************************************
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* @doc EXTERNAL EditStreamCut
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*
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* @api STDAPI | EditStreamCut | Deletes an editable
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* stream (or a portion of it) and copies it into a temporary stream.
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*
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* @parm PAVISTREAM | pavi | Specifies a handle to the editable stream used
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* as the source of the data.
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*
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* @parm LONG FAR * | plStart | Specifies the starting position of the data
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* to be cut from the stream referenced by <p pavi>.
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*
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* @parm LONG FAR * | plLength | Specifies the length of the data
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* to be cut from the stream referenced by <p pavi>.
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*
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* @parm PAVISTREAM FAR * | ppResult | Specifies a pointer to the location
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* used to return the handle created for the new stream.
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*
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* @comm The editable stream must be created by <f CreateEditableStream>
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* or one of the <f EditStream> functions.
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*
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* The temporary stream is an editable stream and
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* can be treated as any other AVI stream.
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*
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* @rdesc Returns zero if successful; otherwise returns an error code.
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*
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*************************************************************************/
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/**************************************************************************
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* @doc EXTERNAL EditStreamCopy
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*
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* @api STDAPI | EditStreamCopy | Copies an editable
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* stream (or a portion of it) into a temporary stream.
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*
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* @parm PAVISTREAM | pavi | Specifies a handle to an editable stream used
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* as the source of the data.
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*
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* @parm LONG FAR * | plStart | Specifies the starting position of the data
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* to be copied from the stream referenced by <p pavi>. The
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* actual starting postion is returned.
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*
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* @parm LONG FAR * | plLength | Specifies the length of the data
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* to be copied from the stream referenced by <p pavi>.
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* The actual length of the copied data is returned.
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*
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* @parm PAVISTREAM FAR * | ppResult | Specifies a pointer to the location
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* used to return the handle created for the new stream.
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*
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* @rdesc Returns zero if successful; otherwise returns an error code.
|
||
|
|
*
|
||
|
|
* @comm The editable stream must be created by <f CreateEditableStream>
|
||
|
|
* or one of the <f EditStream> functions.
|
||
|
|
*
|
||
|
|
* The temporary stream can be treated as any other AVI stream.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* @doc EXTERNAL EditStreamPaste
|
||
|
|
*
|
||
|
|
* @api STDAPI | EditStreamPaste | Copies a stream (or a portion of it) into
|
||
|
|
* another stream.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM | pavi | Specifies a handle to a editable stream
|
||
|
|
* used as the destination of data from the stream specified
|
||
|
|
* for <p pstream>.
|
||
|
|
*
|
||
|
|
* @parm LONG FAR * | plPos | Specifies the starting position of the data
|
||
|
|
* to be copied from the stream referenced by <p pavi>. On returning
|
||
|
|
* from the function, <p plPos>
|
||
|
|
*
|
||
|
|
* @parm LONG FAR * | plLength | Specifies a pointer to where the length
|
||
|
|
* of the data pasted in will be returned.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM | pstream | Specifies a handle to a stream used
|
||
|
|
* as the source of the data. This stream does not need to
|
||
|
|
* be an editable stream.
|
||
|
|
*
|
||
|
|
* @parm LONG | lStart | Specifies the starting position within the stream
|
||
|
|
* referenced by <p pstream> of the portion that will be pasted into
|
||
|
|
* stream <p pavi>.
|
||
|
|
*
|
||
|
|
* @parm LONG | lLength | Specifies the length of the data
|
||
|
|
* to be copied to the stream specified by <p pavi>. If <p lLength>
|
||
|
|
* is -1, the entire stream <p pstream> will be pasted in.
|
||
|
|
*
|
||
|
|
* @rdesc Returns zero if successful; otherwise returns an error code.
|
||
|
|
*
|
||
|
|
* @comm The stream <p pavi> must be created by <f CreateEditableStream>
|
||
|
|
* or one of the <f EditStream> functions.
|
||
|
|
*
|
||
|
|
* @xref <f CreateEditableStream> <f EditStreamCopy> <f EditStreamCut>
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* @doc EXTERNAL EditStreamClone
|
||
|
|
*
|
||
|
|
* @api STDAPI | EditStreamClone | Creates a duplicate editable
|
||
|
|
* stream.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM | pavi | Specifies a handle to an editable stream.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM FAR * | ppResult | Specifies the location used
|
||
|
|
* to return the handle to the stream created. This stream is
|
||
|
|
* an editable stream.
|
||
|
|
*
|
||
|
|
* @rdesc Returns zero if successful; otherwise returns an error code.
|
||
|
|
*
|
||
|
|
* @comm The editable stream must be created by <f CreateEditableStream>
|
||
|
|
* or one of the <f EditStream> functions.
|
||
|
|
*
|
||
|
|
* The stream created can be treated as any other AVI stream.
|
||
|
|
*
|
||
|
|
* You can use this function as the basis of an "undo" feature.
|
||
|
|
* You can also use this function to create a stream copied to
|
||
|
|
* the clipboard.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* @doc EXTERNAL EditStreamSetInfo
|
||
|
|
*
|
||
|
|
* @api SDTAPI | EditStreamSetInfo | Changes characteristics of an
|
||
|
|
* editable stream.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM | pavi | Specifies a handle to an open stream.
|
||
|
|
*
|
||
|
|
* @parm AVISTREAMINFO FAR * | lpInfo | Points to an <t AVISTREAMINFO>
|
||
|
|
* structure containing new information.
|
||
|
|
*
|
||
|
|
* @parm LONG | cbInfo | Specifies the size of the structure pointed to
|
||
|
|
* by <p lpInfo>.
|
||
|
|
*
|
||
|
|
* @rdesc Returns zero if successful; otherwise returns an error code.
|
||
|
|
*
|
||
|
|
* @comm You must fill out the <t AVISTREAMINFO> structure, including
|
||
|
|
* the members you will not use. You can use <f AVIStreamInfo> to
|
||
|
|
* to initialize the structure and then updated selected members
|
||
|
|
* with your data.
|
||
|
|
*
|
||
|
|
* This function does not change the following members:
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.fccType>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.fccHandler>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwFlags>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwCaps>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwLength>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwInitialFrames>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwSuggestedBufferSize>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwSampleSize>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwEditCount>
|
||
|
|
*
|
||
|
|
* It does change:
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.wPriority>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.wLanguage>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwScale>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwRate>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwStart>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.dwQuality>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.rcFrame>
|
||
|
|
*
|
||
|
|
* <e AVISTREAMINFO.szName>
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* @doc EXTERNAL EditStreamSetName
|
||
|
|
*
|
||
|
|
* @api SDTAPI | EditStreamSetName | Assigns a descriptive string to a stream.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM | pavi | Specifies a handle to an open stream.
|
||
|
|
*
|
||
|
|
* @parm LPCSTR | lpszName | Specifies a zero-terminated string
|
||
|
|
* containing the description of the stream.
|
||
|
|
*
|
||
|
|
* @rdesc Returns zero if successful; otherwise returns an error code.
|
||
|
|
*
|
||
|
|
* @comm This function updates the <e AVISTREAMINFO.szName> member
|
||
|
|
* of the <t AVISTREAMINFO> structure.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
STDAPI AVIMakeStreamFromClipboard(UINT cfFormat, HANDLE hGlobal, PAVISTREAM FAR *ppstream);
|
||
|
|
|
||
|
|
/**************************************************************************
|
||
|
|
* @doc EXTERNAL AVIMakeStreamFromClipboard
|
||
|
|
*
|
||
|
|
* @api SDTAPI | AVIMakeStreamFromClipboard | Creates a stream from a
|
||
|
|
* stream on the Clipboard.
|
||
|
|
*
|
||
|
|
* @parm UINT | cfFormat | Specifies a Clipboard flag.
|
||
|
|
*
|
||
|
|
* @parm HANDLE | hGlobal | Specifies a handle to an open stream.
|
||
|
|
*
|
||
|
|
* @parm PAVISTREAM FAR * | ppstream | Specifies a handle to an open stream.
|
||
|
|
*
|
||
|
|
* @rdesc Returns zero if successful; otherwise returns an error code.
|
||
|
|
*
|
||
|
|
*************************************************************************/
|