1007 lines
29 KiB
C
1007 lines
29 KiB
C
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/****************************************************************************
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*
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* AVISAVE.C
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*
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* routine for writing Standard AVI files
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*
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* AVISave()
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*
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* Copyright (c) 1992 Microsoft Corporation. All Rights Reserved.
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*
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* You have a royalty-free right to use, modify, reproduce and
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* distribute the Sample Files (and/or any modified version) in
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* any way you find useful, provided that you agree that
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* Microsoft has no warranty obligations or liability for any
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* Sample Application Files which are modified.
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*
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***************************************************************************/
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#include <win32.h>
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#include <compobj.h>
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#include <valid.h>
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#include <compman.h>
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#include "avifmt.h"
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#include "avifile.h"
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#include "avicmprs.h"
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#include "debug.h"
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//extern LONG FAR PASCAL muldiv32(LONG,LONG,LONG);
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/************************************************************************/
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/* Auto-doc for the AVICOMPRESSOPTIONS structure. Make sure it matches */
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/* the declarations in avifile.h !!! */
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/************************************************************************/
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/*****************************************************************************
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* @doc EXTERNAL AVICOMPRESSOPTIONS
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*
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* @types AVICOMPRESSOPTIONS | This structure contains information
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* about a stream and how it is to be compressed and saved.
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* This structure passes data to <f AVIMakeCompressedStream>
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* (or <f AVISave> which uses <f AVIMakeCompressedStream>).
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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 for 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 | dwKeyFrameEvery | Specifies the maximum period
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* between key frames. This member is used only
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* if the AVICOMPRESSF_KEYFRAMES flag is set, otherwise
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* every frame is a key frame.
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*
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* @field DWORD | dwQuality | Specifies the quality value passed
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* to a video compressor. This member is not used for
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* an audio compressor.
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*
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* @field DWORD | dwBytesPerSecond | Specifies the data rate a video
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* compressor should use. This member is used only
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* if the AVICOMPRESSF_DATARATE flag is set.
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*
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* @field DWORD | dwFlags | Specifies the flags used for compression:
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*
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* @flag AVICOMPRESSF_INTERLEAVE | Indicates this stream is to be interleaved
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* every <e AVICOMPRESSOPTIONS.dwInterleaveEvery> frames
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* with respect to the first stream.
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*
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* @flag AVICOMPRESSF_KEYFRAMES | Indicates this video stream
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* is to be saved with key frames at least
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* every <e AVICOMPRESSOPTIONS.dwKeyFrameEvery> frames.
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* By default, every frame will be a key frame.
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*
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* @flag AVICOMPRESSF_DATARATE | Indicates this video stream
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* is to be compressed with the data rate
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* specified in <e AVICOMPRESSOPTIONS.dwBytesPerSecond>.
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*
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* @flag AVICOMPRESSF_VALID | Indicates this structure contains
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* valid data. If this flag is set, AVIFile uses the structure
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* data to set the default compression values for <f AVISaveOptions>.
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* If an empty structure is passed and this flag is not set,
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* some defaults will be chosen.
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*
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* @field LPVOID | lpFormat | Specifies a pointer to a structure
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* defining the data format. For an audio stream,
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* this is an <t LPWAVEFORMAT> structure.
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*
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* @field DWORD | cbFormat | Specifies the size of the data referenced by
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* <e AVICOMPRESSOPTIONS.lpFormat>
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*
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* @field LPVOID | lpParms | Used internally to store compressor
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* specific data.
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*
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* @field DWORD | cbParms | Specifies the size of the data referenced by
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* <e AVICOMPRESSOPTIONS.lpParms>
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*
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* @field DWORD | dwInterleaveEvery | Specifies how often
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* to interleave stream data with the data
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* from the first stream. Used only if the
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* AVICOMPRESSF_INTERLEAVE flag is set.
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*
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***************************************************************************/
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/*******************************************************************
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* @doc EXTERNAL AVISave
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*
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* @api LONG | AVISave | This function is used to save an AVI file.
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*
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* @parm LPCSTR | szFile | Specifies a zero-terminated string
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* containing the name of the file to save.
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*
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* @parm CLSID FAR * | pclsidHandler | Specifies a pointer to the
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* file handler used to write the file. The file will
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* be created by calling <f AVIFileOpen> using this handler. If
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* a handler is not specified, a default one is selected based
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* upon the file extension.
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*
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* @parm AVISAVECALLBACK | lpfnCallback | Specifies a far pointer to
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* a callback function for the save operation.
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*
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* @parm int | nStreams | Specifies the number of streams saved in the
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* the file.
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*
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* @parm PAVISTREAM | pavi | Specifies a pointer an AVI stream.
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* This parameter is paired with <p lpOptions>. The parameter
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* pair can be repeated as a variable number of arguments.
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*
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* @parm LPAVICOMPRESSOPTIONS | lpOptions | Specifies a pointer to an
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* <t AVICOMPRESSOPTIONS> structure containing the compression
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* options for the stream referenced by <p pavi>.
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* This parameter is paired with <p pavi>. The parameter
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* pair can be repeated as a variable number of arguments.
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*
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* @parm .| . . | Additional streams can be appened
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* by including more <p pavi> and <p lpOptions> parameter pairs.
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*
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* @rdesc Returns AVIERR_OK if successful; otherwise it returns an error code.
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*
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* @comm This function saves an AVI sequence to the file
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* specified by <p szFile>. The <p pavi> and <p lpOptions> parameters
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* define the streams saved. If saving more than one stream,
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* repeat the <p pavi> and <p lpOptions> parameter pair for
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* each additional stream.
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*
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* A callback function can be supplied in <p lpfnCallback> to
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* display status information and let the user cancel the
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* save operation. The callback uses the following format:
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*
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* LONG FAR PASCAL SaveCallback(int nPercent)
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*
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* The <p nPercent> parameter specifies the percentage of the
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* file saved.
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*
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* The callback function should return AVIERR_OK if the
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* operation should continue and AVIERR_USERABORT if the
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* user wishes to abort the save operation.
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*
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*
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* @xref <f AVISaveV> <f AVISaveOptions>
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*
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*******************************************************************/
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EXTERN_C HRESULT CDECL AVISave(LPCSTR szFile,
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CLSID FAR *pclsidHandler,
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AVISAVECALLBACK lpfnCallback,
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int nStreams,
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PAVISTREAM pavi,
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LPAVICOMPRESSOPTIONS lpOptions,
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...
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)
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{
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PAVISTREAM FAR *apavi;
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LPAVICOMPRESSOPTIONS FAR *alpOptions;
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int i;
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HRESULT hr;
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//
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// We were passed arguments of the form PAVI, OPTIONS, PAVI, OPTIONS, etc.
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// for AVISaveV, we need to separate these into an array of PAVI's and
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// an array of LPAVICOMPRESSOPTIONS.
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//
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apavi = (PAVISTREAM FAR *)GlobalAllocPtr(GMEM_MOVEABLE,
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nStreams * sizeof(PAVISTREAM));
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alpOptions = (LPAVICOMPRESSOPTIONS FAR *)GlobalAllocPtr(GMEM_MOVEABLE,
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nStreams * sizeof(LPAVICOMPRESSOPTIONS));
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if (!apavi || !alpOptions)
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return ResultFromScode(AVIERR_MEMORY);
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for (i = 0; i < nStreams; i++) {
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apavi[i] = *(PAVISTREAM FAR *)((LPBYTE)&pavi +
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(sizeof(PAVISTREAM) + sizeof(LPAVICOMPRESSOPTIONS)) * i);
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alpOptions[i] = *(LPAVICOMPRESSOPTIONS FAR *)((LPBYTE)&lpOptions +
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(sizeof(PAVISTREAM) + sizeof(LPAVICOMPRESSOPTIONS)) * i);
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}
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hr = AVISaveV(szFile, pclsidHandler, lpfnCallback, nStreams, apavi,
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alpOptions);
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GlobalFreePtr(apavi);
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GlobalFreePtr(alpOptions);
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return hr;
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}
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BOOL FAR PASCAL DummySaveCallback(int iProgress)
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{
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return FALSE; // do nothing, allow save to continue
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}
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/**********************************************************************
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* @doc EXTERNAL AVISaveV
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*
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* @api LONG | AVISaveV | This function is used to save an AVI file.
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*
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* @parm LPCSTR | szFile | Specifies a zero-terminated string
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* containing the name of the file to save.
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*
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* @parm CLSID FAR * | pclsidHandler | Specifies a pointer to the
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* file handler used to write the file. The file will
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* be created by calling <f AVIFileOpen> using this handler. If
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* a handler is not specified, a default one is selected based upon
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* the file extension.
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*
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* @parm AVISAVECALLBACK | lpfnCallback | Specifies a pointer to a callback
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* function used to display status information and let the use
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* cancel the save operation.
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*
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* @parm int | nStreams | Specifies the number of streams to save.
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*
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* @parm PAVISTREAM FAR * | ppavi | Specifies a pointer to an
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* array of <t PAVISTREAM> pointers. The array uses one pointer
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* for each stream.
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*
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* @parm LPAVICOMPRESSOPTIONS FAR * | plpOptions | Specifies a pointer
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* to an array of <t LPAVICOMPRESSOPTIONS> pointers. The
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* uses one pointer for each stream.
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*
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* @rdesc Returns AVIERR_OK on success, an error code otherwise.
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*
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* @comm This function is equivalent to <f AVISave> except
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* the streams are passed in an array instead of as a
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* variable number of arguments. (<f AVISaveV> is to <f AVISave>
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* as <f wvsprintf> is to <f wsprintf>.)
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*
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* @xref <f AVISave> <f AVISaveOptions>
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*
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********************************************************************/
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STDAPI AVISaveV(LPCSTR szFile,
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CLSID FAR *pclsidHandler,
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AVISAVECALLBACK lpfnCallback,
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int nStreams,
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PAVISTREAM FAR * ppavi,
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LPAVICOMPRESSOPTIONS FAR * plpOptions)
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{
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int stream;
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MainAVIHeader hdrNew;
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PAVIFILE pfilesave = 0;
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HRESULT hr;
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AVISTREAMINFO strhdr;
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AVIFILEINFO finfo;
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LONG cbFormat;
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DWORD dwSamplesRead;
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LPVOID lpBuffer = 0;
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DWORD dwBufferSize;
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LONG l;
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DWORD dwSize;
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DWORD dwFlags;
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WORD cktype;
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LPBITMAPINFOHEADER lpbi;
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DWORD dwInterleaveEvery = 0;
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#define MAXSTREAMS 64
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int iVideoStream = -1;
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PAVISTREAM apavi[MAXSTREAMS];
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PAVISTREAM apaviNew[MAXSTREAMS];
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LONG lDone[MAXSTREAMS];
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LONG lInterval;
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if (nStreams > MAXSTREAMS)
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return ResultFromScode(AVIERR_INTERNAL);
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for (stream = 0; stream < nStreams; stream++) {
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apavi[stream] = NULL;
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apaviNew[stream] = NULL;
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}
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//
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// Open file and write out the main header
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//
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DPF("Creating new file\n");
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hr = AVIFileOpen(&pfilesave, szFile, OF_CREATE | OF_WRITE | OF_SHARE_EXCLUSIVE, pclsidHandler);
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if (hr != 0)
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goto Error;
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AVIFileInfo(pfilesave, &finfo, sizeof(finfo));
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DPF("Creating compressed streams\n");
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for (stream = 0; stream < nStreams; stream++) {
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if (!IsValidInterface(ppavi[stream])) {
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hr = ResultFromScode(AVIERR_INTERNAL);
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goto Error;
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}
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hr = AVIStreamInfo(ppavi[stream], &strhdr, sizeof(strhdr));
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if (hr != AVIERR_OK) {
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DPF("Error from AVIStreamInfo!\n");
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goto Error;
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}
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// Find the video stream....
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if (strhdr.fccType == streamtypeVIDEO) {
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if (iVideoStream < 0) {
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iVideoStream = stream;
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}
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} else if (strhdr.fccType == streamtypeAUDIO) {
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if (dwInterleaveEvery == 0) {
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// Should the interleave factor be in the options at all?
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if (plpOptions && plpOptions[stream] &&
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plpOptions[stream]->dwFlags & AVICOMPRESSF_INTERLEAVE)
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dwInterleaveEvery = plpOptions[stream]->dwInterleaveEvery;
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}
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}
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apavi[stream] = NULL;
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if (plpOptions && plpOptions[stream] &&
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(plpOptions[stream]->fccHandler ||
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plpOptions[stream]->lpFormat)) {
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DWORD dwKeyFrameEvery = plpOptions[stream]->dwKeyFrameEvery;
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if (finfo.dwCaps & AVIFILECAPS_ALLKEYFRAMES)
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plpOptions[stream]->dwKeyFrameEvery = 1;
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// If they've given compression options for this stream,
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// use them....
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hr = AVIMakeCompressedStream(&apavi[stream],
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ppavi[stream],
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plpOptions[stream],
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NULL);
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plpOptions[stream]->dwKeyFrameEvery = dwKeyFrameEvery;
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if (hr != 0) {
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DPF("AVISave: Failed to create compressed stream!\n");
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apavi[stream] = NULL;
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goto Error; // !!!
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} else {
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|
|
hr = AVIStreamInfo(apavi[stream], &strhdr, sizeof(strhdr));
|
||
|
|
if (hr != 0) {
|
||
|
|
DPF("AVISave: Failed to create compressed stream!\n");
|
||
|
|
AVIStreamClose(apavi[stream]);
|
||
|
|
apavi[stream] = NULL;
|
||
|
|
goto Error; // !!!
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (apavi[stream] == NULL) {
|
||
|
|
// otherwise just copy the stream over....
|
||
|
|
apavi[stream] = ppavi[stream];
|
||
|
|
AVIStreamAddRef(apavi[stream]);
|
||
|
|
}
|
||
|
|
|
||
|
|
lDone[stream] = AVIStreamStart(apavi[stream]);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Put the video stream first, so interleaving will work.
|
||
|
|
// !!!
|
||
|
|
if (iVideoStream > 0) {
|
||
|
|
PAVISTREAM p;
|
||
|
|
|
||
|
|
p = apavi[iVideoStream];
|
||
|
|
apavi[iVideoStream] = apavi[0];
|
||
|
|
apavi[0] = p;
|
||
|
|
iVideoStream = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lpfnCallback == NULL)
|
||
|
|
lpfnCallback = &DummySaveCallback;
|
||
|
|
|
||
|
|
/* pick a good buffer size and go for it.... */
|
||
|
|
dwBufferSize = 32768L;
|
||
|
|
|
||
|
|
lpBuffer = GlobalAllocPtr(GMEM_MOVEABLE, dwBufferSize);
|
||
|
|
if (!lpBuffer) {
|
||
|
|
hr = ResultFromScode(AVIERR_MEMORY);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Construct AVI file header
|
||
|
|
//
|
||
|
|
AVIStreamInfo(apavi[0], &strhdr, sizeof(strhdr));
|
||
|
|
hdrNew.dwMicroSecPerFrame = muldiv32(1000000L, strhdr.dwScale, strhdr.dwRate);
|
||
|
|
hdrNew.dwMaxBytesPerSec = 0;
|
||
|
|
hdrNew.dwPaddingGranularity = 0;
|
||
|
|
|
||
|
|
hdrNew.dwFlags = AVIF_HASINDEX;
|
||
|
|
hdrNew.dwFlags &= ~(AVIF_ISINTERLEAVED | AVIF_WASCAPTUREFILE |
|
||
|
|
AVIF_MUSTUSEINDEX);
|
||
|
|
|
||
|
|
hdrNew.dwTotalFrames = strhdr.dwLength; // !!!
|
||
|
|
hdrNew.dwInitialFrames = 0; // !!!
|
||
|
|
|
||
|
|
hdrNew.dwStreams = nStreams;
|
||
|
|
hdrNew.dwSuggestedBufferSize = 32768;
|
||
|
|
|
||
|
|
if (iVideoStream >= 0) {
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
hr = AVIStreamReadFormat(apavi[iVideoStream],
|
||
|
|
AVIStreamStart(apavi[iVideoStream]),
|
||
|
|
lpBuffer,
|
||
|
|
&cbFormat);
|
||
|
|
|
||
|
|
if (cbFormat < sizeof(BITMAPINFOHEADER)) {
|
||
|
|
hr = ResultFromScode(AVIERR_INTERNAL);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hr != 0) {
|
||
|
|
DPF("AVISave: Error from initial ReadFormat!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
lpbi = (LPBITMAPINFOHEADER) lpBuffer;
|
||
|
|
|
||
|
|
hdrNew.dwWidth = lpbi->biWidth;
|
||
|
|
hdrNew.dwHeight = lpbi->biHeight;
|
||
|
|
lInterval = 1;
|
||
|
|
} else {
|
||
|
|
hdrNew.dwWidth = 0;
|
||
|
|
hdrNew.dwHeight = 0;
|
||
|
|
lInterval = AVIStreamTimeToSample(apavi[0], 500);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Loop through streams and write out stream header
|
||
|
|
//
|
||
|
|
for (stream = 0; stream < nStreams; stream++) {
|
||
|
|
// DPF2("Making stream %d header LIST\n", stream);
|
||
|
|
|
||
|
|
AVIStreamInfo(apavi[stream], &strhdr, sizeof(strhdr));
|
||
|
|
strhdr.dwInitialFrames = 0;
|
||
|
|
|
||
|
|
// If we're interleaving, skew the audio by 3/4 of a second.
|
||
|
|
if (dwInterleaveEvery > 0 && stream > 0) {
|
||
|
|
if (strhdr.fccType == streamtypeAUDIO) {
|
||
|
|
strhdr.dwInitialFrames = AVIStreamTimeToSample(apavi[0], 750);
|
||
|
|
DPF("Stream %d has %lu initial frames\n", stream, strhdr.dwInitialFrames);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get stream format and write it out
|
||
|
|
//
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
hr = AVIStreamReadFormat(apavi[stream], AVIStreamStart(apavi[stream]),
|
||
|
|
lpBuffer, &cbFormat);
|
||
|
|
if (hr != AVIERR_OK)
|
||
|
|
goto Error;
|
||
|
|
|
||
|
|
// !!! Overflow?
|
||
|
|
if (!cbFormat) {
|
||
|
|
// !!!
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = AVIFileCreateStream(pfilesave, &apaviNew[stream], &strhdr);
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
if (hr != AVIERR_OK || apaviNew[stream] == NULL)
|
||
|
|
goto Error;
|
||
|
|
#else
|
||
|
|
// If we can't make a stream, continue with the other streams....
|
||
|
|
if (hr != AVIERR_OK || apaviNew[stream] == NULL) {
|
||
|
|
int i;
|
||
|
|
|
||
|
|
DPF("AVISave: Couldn't create stream in new file!\n");
|
||
|
|
AVIStreamClose(apavi[stream]);
|
||
|
|
|
||
|
|
for (i = stream + 1; i < nStreams; i++) {
|
||
|
|
apavi[stream] = apavi[stream + 1];
|
||
|
|
}
|
||
|
|
--nStreams;
|
||
|
|
--stream;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
hr = AVIStreamSetFormat(apaviNew[stream], 0, lpBuffer, cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("Initial set format failed!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
hr = AVIStreamReadData(apavi[stream], ckidSTREAMHANDLERDATA,
|
||
|
|
lpBuffer, &cbFormat);
|
||
|
|
// !!! overflow?
|
||
|
|
|
||
|
|
if (hr == AVIERR_OK && cbFormat) {
|
||
|
|
/*
|
||
|
|
** Make the stream Data data chunk
|
||
|
|
*/
|
||
|
|
// DPF2("Making stream %ld Data data chunk\n", stream);
|
||
|
|
hr = AVIStreamWriteData(apaviNew[stream], ckidSTREAMHANDLERDATA,
|
||
|
|
lpBuffer, cbFormat);
|
||
|
|
if (hr != AVIERR_OK)
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strhdr.dwInitialFrames > hdrNew.dwInitialFrames)
|
||
|
|
hdrNew.dwInitialFrames = strhdr.dwInitialFrames;
|
||
|
|
|
||
|
|
// !!! Should call ReadExtra and WriteExtra to move over information!
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nStreams <= 0) {
|
||
|
|
DPF("No streams at all accepted by the file!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// We've written the header. Now, there are two possibilities:
|
||
|
|
//
|
||
|
|
// 1.) File is interleaved. We loop in time from beginning to end,
|
||
|
|
// then loop through the streams and write out any data for the
|
||
|
|
// current time.
|
||
|
|
//
|
||
|
|
// 2.) File is not interleaved. We loop through the streams and
|
||
|
|
// write each one out separately.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (dwInterleaveEvery > 0) {
|
||
|
|
DPF("Saving interleaved: factor = %lu, intial = %lu, total = %lu\n", dwInterleaveEvery, hdrNew.dwInitialFrames, hdrNew.dwTotalFrames);
|
||
|
|
|
||
|
|
if (dwInterleaveEvery == 1) {
|
||
|
|
hdrNew.dwFlags |= AVIF_ISINTERLEAVED;
|
||
|
|
AVIFileEndRecord(pfilesave); // Make first record....
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Interleaved case: loop from start to end...
|
||
|
|
//
|
||
|
|
for (l = - (LONG) hdrNew.dwInitialFrames;
|
||
|
|
l < (LONG) hdrNew.dwTotalFrames;
|
||
|
|
l += lInterval) {
|
||
|
|
//
|
||
|
|
// Loop through all of the streams to see what needs to be
|
||
|
|
// done at this time...
|
||
|
|
//
|
||
|
|
for (stream = 0; stream < nStreams; stream++) {
|
||
|
|
LONG lPos;
|
||
|
|
LONG lPosNext;
|
||
|
|
|
||
|
|
LONG lStart;
|
||
|
|
LONG lEnd;
|
||
|
|
|
||
|
|
hr = AVIStreamInfo(apaviNew[stream], &strhdr, sizeof(strhdr));
|
||
|
|
|
||
|
|
if (hr != AVIERR_OK)
|
||
|
|
goto Error;
|
||
|
|
|
||
|
|
if (l < - (LONG) strhdr.dwInitialFrames)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
// !!! Better use of TWOCCs...
|
||
|
|
if (strhdr.fccType == streamtypeAUDIO)
|
||
|
|
cktype = cktypeWAVEbytes;
|
||
|
|
else if (strhdr.fccType == streamtypeVIDEO) {
|
||
|
|
if (strhdr.fccHandler == comptypeDIB)
|
||
|
|
cktype = cktypeDIBbits;
|
||
|
|
else
|
||
|
|
cktype = cktypeDIBcompressed;
|
||
|
|
} else
|
||
|
|
cktype = aviTWOCC('x', 'x');
|
||
|
|
|
||
|
|
//
|
||
|
|
// Time is based on the first stream:
|
||
|
|
// Right now, we want to write out any data in the current
|
||
|
|
// stream that lines up between time <l> and <l+1> in the
|
||
|
|
// first stream.
|
||
|
|
//
|
||
|
|
lPos = l + strhdr.dwInitialFrames;
|
||
|
|
lPosNext = lPos + lInterval;
|
||
|
|
|
||
|
|
lStart = lDone[stream];
|
||
|
|
|
||
|
|
if (l >= (LONG) hdrNew.dwTotalFrames - lInterval) {
|
||
|
|
// If this is going to be the last time through the
|
||
|
|
// interleave loop, make sure everything gets written.
|
||
|
|
lEnd = AVIStreamEnd(apavi[stream]);
|
||
|
|
} else {
|
||
|
|
//
|
||
|
|
// Complication: to make the audio come in bigger chunks,
|
||
|
|
// we only write it out every once in a while.
|
||
|
|
//
|
||
|
|
if (strhdr.fccType == streamtypeAUDIO && stream != 0) {
|
||
|
|
if ((lPos % dwInterleaveEvery) != 0)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
lPosNext = lPos + dwInterleaveEvery;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stream != 0) {
|
||
|
|
//
|
||
|
|
// Figure out the data for this stream that needs to be
|
||
|
|
// written this time....
|
||
|
|
//
|
||
|
|
lEnd = AVIStreamSampleToSample(apavi[stream], apavi[0], lPosNext);
|
||
|
|
} else {
|
||
|
|
lEnd = min(lPosNext, (LONG) hdrNew.dwTotalFrames);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
lDone[stream] = lEnd;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Loop until we've read all we want.
|
||
|
|
//
|
||
|
|
while (lEnd > lStart) {
|
||
|
|
// !!! Right here, we should call AVIStreamGetFormat
|
||
|
|
// and then call AVIStreamSetFormat on the new
|
||
|
|
// streams.
|
||
|
|
// !!! Whose job is it to tell if the format has really
|
||
|
|
// changed?
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
hr = AVIStreamReadFormat(apavi[stream],
|
||
|
|
lStart,
|
||
|
|
lpBuffer,
|
||
|
|
&cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("AVIStreamReadFormat failed!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = AVIStreamSetFormat(apaviNew[stream],
|
||
|
|
lStart,
|
||
|
|
lpBuffer,
|
||
|
|
cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
// !!! Oh, well: we couldn't write the palette change...
|
||
|
|
DPF("AVIStreamSetFormat failed!\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
ReadAgain0:
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
dwSamplesRead = 0;
|
||
|
|
|
||
|
|
hr = AVIStreamRead(apavi[stream], lStart,
|
||
|
|
lEnd - lStart,
|
||
|
|
lpBuffer, dwBufferSize,
|
||
|
|
&dwSize, &dwSamplesRead);
|
||
|
|
|
||
|
|
if (// dwSamplesRead == 0 &&
|
||
|
|
(GetScode(hr) == AVIERR_BUFFERTOOSMALL)) {
|
||
|
|
//
|
||
|
|
// The frame didn't fit in our buffer.
|
||
|
|
// Make a bigger buffer.
|
||
|
|
//
|
||
|
|
dwBufferSize *= 2;
|
||
|
|
DPF("Resizing buffer to be %lx bytes\n", dwBufferSize);
|
||
|
|
lpBuffer = GlobalReAllocPtr(lpBuffer, dwBufferSize, GMEM_MOVEABLE);
|
||
|
|
if (lpBuffer)
|
||
|
|
goto ReadAgain0;
|
||
|
|
|
||
|
|
hr = ResultFromScode(AVIERR_MEMORY);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hr != 0) {
|
||
|
|
DPF("AVISave: Error %08lx reading stream %d, position %ld!\n", (DWORD) hr, stream, lStart);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
dwFlags = 0;
|
||
|
|
|
||
|
|
if (AVIStreamFindSample(apavi[stream], lStart,
|
||
|
|
FIND_KEY | FIND_PREV) == lStart)
|
||
|
|
dwFlags |= AVIIF_KEYFRAME;
|
||
|
|
|
||
|
|
hr = AVIStreamWrite(apaviNew[stream],
|
||
|
|
-1, dwSamplesRead,
|
||
|
|
lpBuffer, dwSize,
|
||
|
|
// cktype, // !!!
|
||
|
|
dwFlags, 0L, 0L);
|
||
|
|
|
||
|
|
if (hr != AVIERR_OK)
|
||
|
|
goto Error;
|
||
|
|
|
||
|
|
lStart += dwSamplesRead;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Mark the end of the frame, in case we're writing out
|
||
|
|
// the "strict" interleaved format with LIST 'rec' chunks...
|
||
|
|
//
|
||
|
|
if (dwInterleaveEvery == 1) {
|
||
|
|
hr = AVIFileEndRecord(pfilesave);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("AVISave: Error from EndRecord!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Give the application a chance to update status and the user
|
||
|
|
// a chance to abort...
|
||
|
|
if (lpfnCallback((int)
|
||
|
|
muldiv32(l + hdrNew.dwInitialFrames, 100,
|
||
|
|
hdrNew.dwInitialFrames +
|
||
|
|
hdrNew.dwTotalFrames))) {
|
||
|
|
hr = ResultFromScode(AVIERR_USERABORT);
|
||
|
|
DPF("AVISave: Aborted!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
//
|
||
|
|
// Non-interleaved case: loop through the streams and write
|
||
|
|
// each one out by itself.
|
||
|
|
//
|
||
|
|
DPF("Saving non-interleaved.\n");
|
||
|
|
|
||
|
|
for (stream = 0; stream < nStreams; stream++) {
|
||
|
|
if (lpfnCallback(MulDiv(stream, 100, nStreams))) {
|
||
|
|
hr = ResultFromScode(AVIERR_USERABORT);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
AVIStreamInfo(apavi[stream], &strhdr, sizeof(strhdr));
|
||
|
|
|
||
|
|
DPF("Saving stream %d: start=%lx, len=%lx\n", stream, strhdr.dwStart, strhdr.dwLength);
|
||
|
|
|
||
|
|
// !!! Need better cktype handling....
|
||
|
|
if (strhdr.fccType == streamtypeAUDIO)
|
||
|
|
cktype = cktypeWAVEbytes;
|
||
|
|
else if (strhdr.fccType == streamtypeVIDEO) {
|
||
|
|
if (strhdr.fccHandler == comptypeDIB)
|
||
|
|
cktype = cktypeDIBbits;
|
||
|
|
else
|
||
|
|
cktype = cktypeDIBcompressed;
|
||
|
|
} else
|
||
|
|
cktype = aviTWOCC('x', 'x');
|
||
|
|
|
||
|
|
//
|
||
|
|
// As usual, there are two possibilities:
|
||
|
|
//
|
||
|
|
// 1.) "wave-like" data, where lots of samples can be in
|
||
|
|
// a single chunk. In this case, we write out big chunks
|
||
|
|
// with many samples at a time.
|
||
|
|
//
|
||
|
|
// 2.) "video-like" data, where each sample is a different
|
||
|
|
// size, and thus each must be written individually.
|
||
|
|
//
|
||
|
|
if (strhdr.dwSampleSize != 0) {
|
||
|
|
/* It's wave-like data: lots of samples per chunk */
|
||
|
|
|
||
|
|
l = strhdr.dwStart;
|
||
|
|
while (l < (LONG) strhdr.dwLength) {
|
||
|
|
DWORD dwRead;
|
||
|
|
|
||
|
|
// Make the format of the new stream
|
||
|
|
// match the old one at every point....
|
||
|
|
//
|
||
|
|
// !!! Whose job is it to tell if the format has really
|
||
|
|
// changed?
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
hr = AVIStreamReadFormat(apavi[stream],
|
||
|
|
l,
|
||
|
|
lpBuffer,
|
||
|
|
&cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("AVIStreamReadFormat failed!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = AVIStreamSetFormat(apaviNew[stream],
|
||
|
|
l,
|
||
|
|
lpBuffer,
|
||
|
|
cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("AVIStreamSetFormat failed!\n");
|
||
|
|
// !!! Oh, well: we couldn't write the palette change...
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Read some data...
|
||
|
|
//
|
||
|
|
ReadAgain1:
|
||
|
|
dwSize = dwBufferSize;
|
||
|
|
dwSamplesRead = 0;
|
||
|
|
dwRead = min(dwBufferSize / strhdr.dwSampleSize,
|
||
|
|
strhdr.dwLength - (DWORD) l);
|
||
|
|
|
||
|
|
hr = AVIStreamRead(apavi[stream], l, dwRead,
|
||
|
|
lpBuffer, dwBufferSize,
|
||
|
|
&dwSize, &dwSamplesRead);
|
||
|
|
|
||
|
|
if (dwSamplesRead == 0 &&
|
||
|
|
(GetScode(hr) == AVIERR_BUFFERTOOSMALL)) {
|
||
|
|
//
|
||
|
|
// The frame didn't fit in our buffer.
|
||
|
|
// Make a bigger buffer.
|
||
|
|
//
|
||
|
|
dwBufferSize *= 2;
|
||
|
|
lpBuffer = GlobalReAllocPtr(lpBuffer, dwBufferSize, GMEM_MOVEABLE);
|
||
|
|
if (lpBuffer)
|
||
|
|
goto ReadAgain1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// !!! Check if format has changed
|
||
|
|
|
||
|
|
dwFlags = 0; // !!! KEYFRAME?
|
||
|
|
|
||
|
|
DPF("Save: Read %lx/%lx samples at %lx\n", dwSamplesRead, dwRead, l);
|
||
|
|
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("Save: Read failed! (%08lx) pos=%lx, len=%lx\n", (DWORD) hr, l, dwRead);
|
||
|
|
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dwSamplesRead == 0) {
|
||
|
|
DPF("Ack: Read zero samples!");
|
||
|
|
|
||
|
|
if (l + 1 == (LONG) strhdr.dwLength) {
|
||
|
|
DPF("Pretending it's OK, since this was the last one....");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = ResultFromScode(AVIERR_FILEREAD);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
l += dwSamplesRead;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the data out...
|
||
|
|
//
|
||
|
|
hr = AVIStreamWrite(apaviNew[stream],
|
||
|
|
-1, dwSamplesRead,
|
||
|
|
lpBuffer, dwSize,
|
||
|
|
// !!! cktype, // !!!TWOCCFromFOURCC(ckid),
|
||
|
|
dwFlags, 0L, 0L);
|
||
|
|
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("AVIStreamWrite failed! (%08lx)\n", (DWORD) hr);
|
||
|
|
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lpfnCallback(MulDiv(stream, 100, nStreams) +
|
||
|
|
(int) muldiv32(l, 100,
|
||
|
|
nStreams * strhdr.dwLength))) {
|
||
|
|
hr = ResultFromScode(AVIERR_USERABORT);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* It's video-like data: one sample (frame) per chunk */
|
||
|
|
|
||
|
|
for (l = strhdr.dwStart;
|
||
|
|
l < (LONG) strhdr.dwLength;
|
||
|
|
l++) {
|
||
|
|
// !!! Right here, we should call AVIStreamGetFormat
|
||
|
|
// and then call AVIStreamSetFormat on the new
|
||
|
|
// streams.
|
||
|
|
// !!! Whose job is it to tell if the format has really
|
||
|
|
// changed?
|
||
|
|
|
||
|
|
cbFormat = dwBufferSize;
|
||
|
|
hr = AVIStreamReadFormat(apavi[stream],
|
||
|
|
l,
|
||
|
|
lpBuffer,
|
||
|
|
&cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
DPF("AVIStreamReadFormat failed!\n");
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = AVIStreamSetFormat(apaviNew[stream],
|
||
|
|
l,
|
||
|
|
lpBuffer,
|
||
|
|
cbFormat);
|
||
|
|
if (hr != AVIERR_OK) {
|
||
|
|
// !!! Oh, well: we couldn't write the palette change...
|
||
|
|
DPF("AVIStreamSetFormat failed!\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ReadAgain:
|
||
|
|
dwSize = dwBufferSize;
|
||
|
|
/* Write out a single frame.... */
|
||
|
|
dwSamplesRead = 0;
|
||
|
|
hr = AVIStreamRead(apavi[stream], l, 1,
|
||
|
|
lpBuffer, dwBufferSize,
|
||
|
|
&dwSize, &dwSamplesRead);
|
||
|
|
|
||
|
|
// !!! Check if format has changed (palette change)
|
||
|
|
|
||
|
|
if (dwSamplesRead == 0 &&
|
||
|
|
(GetScode(hr) == AVIERR_BUFFERTOOSMALL)) {
|
||
|
|
//
|
||
|
|
// The frame didn't fit in our buffer.
|
||
|
|
// Make a bigger buffer.
|
||
|
|
//
|
||
|
|
dwBufferSize *= 2;
|
||
|
|
lpBuffer = GlobalReAllocPtr(lpBuffer, dwBufferSize, GMEM_MOVEABLE);
|
||
|
|
if (lpBuffer)
|
||
|
|
goto ReadAgain;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dwSamplesRead != 1) {
|
||
|
|
hr = ResultFromScode(AVIERR_FILEREAD);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
|
||
|
|
dwFlags = 0; // !!!!
|
||
|
|
|
||
|
|
//
|
||
|
|
// Check whether this should be marked a key frame.
|
||
|
|
//
|
||
|
|
// !!! shouldn't this be returned from AVIStreamRead()?
|
||
|
|
//
|
||
|
|
if (AVIStreamFindSample(apavi[stream], l,
|
||
|
|
FIND_KEY | FIND_PREV) == l)
|
||
|
|
dwFlags |= AVIIF_KEYFRAME;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the chunk out.
|
||
|
|
//
|
||
|
|
hr = AVIStreamWrite(apaviNew[stream],
|
||
|
|
-1, dwSamplesRead,
|
||
|
|
lpBuffer, dwSize,
|
||
|
|
// !!! cktype, // !!!TWOCCFromFOURCC(ckid),
|
||
|
|
dwFlags, 0L, 0L);
|
||
|
|
|
||
|
|
if (hr != AVIERR_OK)
|
||
|
|
goto Error;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Video frames can be big, so call back every time.
|
||
|
|
//
|
||
|
|
if (lpfnCallback(MulDiv(stream, 100, nStreams) +
|
||
|
|
(int) muldiv32(l, 100, nStreams * strhdr.dwLength))) {
|
||
|
|
hr = ResultFromScode(AVIERR_USERABORT);
|
||
|
|
goto Error;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Error:
|
||
|
|
//
|
||
|
|
// We're done, one way or another.
|
||
|
|
//
|
||
|
|
|
||
|
|
/* Free buffer */
|
||
|
|
if (lpBuffer) {
|
||
|
|
GlobalFreePtr(lpBuffer);
|
||
|
|
}
|
||
|
|
|
||
|
|
// If everything's OK so far, finish writing the file.
|
||
|
|
// Close the file, free resources associated with writing it.
|
||
|
|
if (pfilesave) {
|
||
|
|
// Release all of our new streams
|
||
|
|
for (stream = 0; stream < nStreams; stream++) {
|
||
|
|
if (apaviNew[stream])
|
||
|
|
AVIStreamClose(apaviNew[stream]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hr != AVIERR_OK)
|
||
|
|
AVIFileClose(pfilesave);
|
||
|
|
else {
|
||
|
|
// !!! ACK: AVIFileClose doesn't return an error! How do I tell
|
||
|
|
// if it worked?
|
||
|
|
// !!! does this mean I need a Flush() call?
|
||
|
|
/* hr = */ AVIFileClose(pfilesave);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Release all of our streams
|
||
|
|
for (stream = 0; stream < nStreams; stream++) {
|
||
|
|
if (apavi[stream])
|
||
|
|
AVIStreamClose(apavi[stream]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hr != 0) {
|
||
|
|
DPF("AVISave: Returning error %08lx\n", (DWORD) hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|