tmpfile.c File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "vfw.h"
#include "avifile_private.h"
#include "extrachunk.h"
#include "wine/debug.h"

Include dependency graph for tmpfile.c:

Go to the source code of this file.

Classes
struct	_ITmpFileImpl

Typedefs
typedef struct _ITmpFileImpl	ITmpFileImpl

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (avifile)
static ITmpFileImpl *	impl_from_IAVIFile (IAVIFile *iface)
static HRESULT WINAPI	ITmpFile_fnQueryInterface (IAVIFile *iface, REFIID refiid, LPVOID *obj)
static ULONG WINAPI	ITmpFile_fnAddRef (IAVIFile *iface)
static ULONG WINAPI	ITmpFile_fnRelease (IAVIFile *iface)
static HRESULT WINAPI	ITmpFile_fnInfo (IAVIFile *iface, AVIFILEINFOW *afi, LONG size)
static HRESULT WINAPI	ITmpFile_fnGetStream (IAVIFile *iface, PAVISTREAM *avis, DWORD fccType, LONG lParam)
static HRESULT WINAPI	ITmpFile_fnCreateStream (IAVIFile *iface, PAVISTREAM *avis, AVISTREAMINFOW *asi)
static HRESULT WINAPI	ITmpFile_fnWriteData (IAVIFile *iface, DWORD ckid, LPVOID lpData, LONG size)
static HRESULT WINAPI	ITmpFile_fnReadData (IAVIFile *iface, DWORD ckid, LPVOID lpData, LONG *size)
static HRESULT WINAPI	ITmpFile_fnEndRecord (IAVIFile *iface)
static HRESULT WINAPI	ITmpFile_fnDeleteStream (IAVIFile *iface, DWORD fccType, LONG lParam)
PAVIFILE	AVIFILE_CreateAVITempFile (int nStreams, const PAVISTREAM *ppStreams)

Variables
static const struct IAVIFileVtbl	itmpft

Typedef Documentation

ITmpFileImpl

typedef struct _ITmpFileImpl ITmpFileImpl

Function Documentation

AVIFILE_CreateAVITempFile()

PAVIFILE AVIFILE_CreateAVITempFile	(	int	nStreams,
		const PAVISTREAM *	ppStreams
	)

Definition at line 220 of file tmpfile.c.

{
  ITmpFileImpl *tmpFile;
  int           i;
 
  tmpFile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ITmpFileImpl));
  if (tmpFile == NULL)
    return NULL;
 
  tmpFile->IAVIFile_iface.lpVtbl = &itmpft;
  tmpFile->ref    = 1;
  memset(&tmpFile->fInfo, 0, sizeof(tmpFile->fInfo));
 
  tmpFile->fInfo.dwStreams = nStreams;
  tmpFile->ppStreams = HeapAlloc(GetProcessHeap(), 0, nStreams * sizeof(PAVISTREAM));
  if (tmpFile->ppStreams == NULL) {
    HeapFree(GetProcessHeap(), 0, tmpFile);
    return NULL;
  }
 
  for (i = 0; i < nStreams; i++) {
    AVISTREAMINFOW sInfo;
 
    tmpFile->ppStreams[i] = ppStreams[i];
 
    AVIStreamAddRef(ppStreams[i]);
    AVIStreamInfoW(ppStreams[i], &sInfo, sizeof(sInfo));
    if (i == 0) {
      tmpFile->fInfo.dwScale = sInfo.dwScale;
      tmpFile->fInfo.dwRate  = sInfo.dwRate;
      if (!sInfo.dwScale || !sInfo.dwRate) {
        tmpFile->fInfo.dwScale = 1;
        tmpFile->fInfo.dwRate  = 100;
      }
    }
 
    if (tmpFile->fInfo.dwSuggestedBufferSize < sInfo.dwSuggestedBufferSize)
      tmpFile->fInfo.dwSuggestedBufferSize = sInfo.dwSuggestedBufferSize;
 
    {
      DWORD tmp;
 
      tmp = MulDiv(AVIStreamSampleToTime(ppStreams[i], sInfo.dwLength),
                   tmpFile->fInfo.dwScale, tmpFile->fInfo.dwRate * 1000);
      if (tmpFile->fInfo.dwLength < tmp)
        tmpFile->fInfo.dwLength = tmp;
 
      tmp = sInfo.rcFrame.right - sInfo.rcFrame.left;
      if (tmpFile->fInfo.dwWidth < tmp)
        tmpFile->fInfo.dwWidth = tmp;
      tmp = sInfo.rcFrame.bottom - sInfo.rcFrame.top;
      if (tmpFile->fInfo.dwHeight < tmp)
        tmpFile->fInfo.dwHeight = tmp;
    }
  }
 
  return &tmpFile->IAVIFile_iface;
}

Referenced by AVIMakeFileFromStreams().

impl_from_IAVIFile()

static ITmpFileImpl * impl_from_IAVIFile ( IAVIFile *  iface )

inlinestatic

Definition at line 45 of file tmpfile.c.

{
  return CONTAINING_RECORD(iface, ITmpFileImpl, IAVIFile_iface);
}

Referenced by ITmpFile_fnAddRef(), ITmpFile_fnGetStream(), ITmpFile_fnInfo(), ITmpFile_fnQueryInterface(), and ITmpFile_fnRelease().

ITmpFile_fnAddRef()

static ULONG WINAPI ITmpFile_fnAddRef ( IAVIFile *  iface )

static

Definition at line 68 of file tmpfile.c.

{
  ITmpFileImpl *This = impl_from_IAVIFile(iface);
  ULONG ref = InterlockedIncrement(&This->ref);
 
  TRACE("(%p) -> %d\n", iface, ref);
 
  return ref;
}

ITmpFile_fnCreateStream()

static HRESULT WINAPI ITmpFile_fnCreateStream ( IAVIFile *  iface, PAVISTREAM *  avis, AVISTREAMINFOW *  asi  )

static

Definition at line 168 of file tmpfile.c.

{
  TRACE("(%p,%p,%p)\n",iface,avis,asi);
 
  return AVIERR_UNSUPPORTED;
}

ITmpFile_fnDeleteStream()

static HRESULT WINAPI ITmpFile_fnDeleteStream ( IAVIFile *  iface, DWORD  fccType, LONG  lParam  )

static

Definition at line 199 of file tmpfile.c.

{
  TRACE("(%p,0x%08X,%d)\n", iface, fccType, lParam);
 
  return AVIERR_UNSUPPORTED;
}

ITmpFile_fnEndRecord()

static HRESULT WINAPI ITmpFile_fnEndRecord ( IAVIFile *  iface )

static

Definition at line 192 of file tmpfile.c.

{
  TRACE("(%p)\n",iface);
 
  return AVIERR_OK;
}

ITmpFile_fnGetStream()

static HRESULT WINAPI ITmpFile_fnGetStream ( IAVIFile *  iface, PAVISTREAM *  avis, DWORD  fccType, LONG  lParam  )

static

Definition at line 121 of file tmpfile.c.

{
  ITmpFileImpl *This = impl_from_IAVIFile(iface);
 
  ULONG nStream = (ULONG)-1;
 
  TRACE("(%p,%p,0x%08X,%d)\n", iface, avis, fccType, lParam);
 
  if (avis == NULL || lParam < 0)
    return AVIERR_BADPARAM;
 
  if (fccType != streamtypeANY) {
    /* search the number of the specified stream */
    ULONG i;
 
    for (i = 0; i < This->fInfo.dwStreams; i++) {
      AVISTREAMINFOW sInfo;
      HRESULT        hr;
 
      hr = AVIStreamInfoW(This->ppStreams[i], &sInfo, sizeof(sInfo));
      if (FAILED(hr))
    return hr;
 
      if (sInfo.fccType == fccType) {
    if (lParam == 0) {
      nStream = i;
      break;
    } else
      lParam--;
      }
    }
  } else
    nStream = lParam;
 
  /* Does the requested stream exist ? */
  if (nStream < This->fInfo.dwStreams && This->ppStreams[nStream] != NULL) {
    *avis = This->ppStreams[nStream];
    AVIStreamAddRef(*avis);
 
    return AVIERR_OK;
  }
 
  /* Sorry, but the specified stream doesn't exist */
  return AVIERR_NODATA;
}

ITmpFile_fnInfo()

static HRESULT WINAPI ITmpFile_fnInfo ( IAVIFile *  iface, AVIFILEINFOW *  afi, LONG  size  )

static

Definition at line 102 of file tmpfile.c.

{
  ITmpFileImpl *This = impl_from_IAVIFile(iface);
 
  TRACE("(%p,%p,%d)\n",iface,afi,size);
 
  if (afi == NULL)
    return AVIERR_BADPARAM;
  if (size < 0)
    return AVIERR_BADSIZE;
 
  memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
 
  if ((DWORD)size < sizeof(This->fInfo))
    return AVIERR_BUFFERTOOSMALL;
  return AVIERR_OK;
}

ITmpFile_fnQueryInterface()

static HRESULT WINAPI ITmpFile_fnQueryInterface ( IAVIFile *  iface, REFIID  refiid, LPVOID *  obj  )

static

Definition at line 50 of file tmpfile.c.

{
  ITmpFileImpl *This = impl_from_IAVIFile(iface);
 
  TRACE("(%p,%s,%p)\n", This, debugstr_guid(refiid), obj);
 
  if (IsEqualGUID(&IID_IUnknown, refiid) ||
      IsEqualGUID(&IID_IAVIFile, refiid)) {
    *obj = iface;
    IAVIFile_AddRef(iface);
 
    return S_OK;
  }
 
  return OLE_E_ENUM_NOMORE;
}

ITmpFile_fnReadData()

static HRESULT WINAPI ITmpFile_fnReadData ( IAVIFile *  iface, DWORD  ckid, LPVOID  lpData, LONG *  size  )

static

Definition at line 184 of file tmpfile.c.

{
  TRACE("(%p,0x%08X,%p,%p)\n", iface, ckid, lpData, size);
 
  return AVIERR_UNSUPPORTED;
}

ITmpFile_fnRelease()

static ULONG WINAPI ITmpFile_fnRelease ( IAVIFile *  iface )

static

Definition at line 78 of file tmpfile.c.

{
  ITmpFileImpl *This = impl_from_IAVIFile(iface);
  ULONG ref = InterlockedDecrement(&This->ref);
 
  TRACE("(%p) -> %d\n", iface, ref);
 
  if (!ref) {
    unsigned int i;
 
    for (i = 0; i < This->fInfo.dwStreams; i++) {
      if (This->ppStreams[i] != NULL) {
    AVIStreamRelease(This->ppStreams[i]);
 
    This->ppStreams[i] = NULL;
      }
    }
 
    HeapFree(GetProcessHeap(), 0, This);
  }
 
  return ref;
}

ITmpFile_fnWriteData()

static HRESULT WINAPI ITmpFile_fnWriteData ( IAVIFile *  iface, DWORD  ckid, LPVOID  lpData, LONG  size  )

static

Definition at line 176 of file tmpfile.c.

{
  TRACE("(%p,0x%08X,%p,%d)\n", iface, ckid, lpData, size);
 
  return AVIERR_UNSUPPORTED;
}

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

avifile

)

Variable Documentation

itmpft

const struct IAVIFileVtbl itmpft

static

Initial value:

= {
  ITmpFile_fnQueryInterface,
  ITmpFile_fnAddRef,
  ITmpFile_fnRelease,
  ITmpFile_fnInfo,
  ITmpFile_fnGetStream,
  ITmpFile_fnCreateStream,
  ITmpFile_fnWriteData,
  ITmpFile_fnReadData,
  ITmpFile_fnEndRecord,
  ITmpFile_fnDeleteStream
}

Definition at line 207 of file tmpfile.c.

Referenced by AVIFILE_CreateAVITempFile().