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-rw-r--r--loader/dmo/DMO_VideoDecoder.c552
1 files changed, 552 insertions, 0 deletions
diff --git a/loader/dmo/DMO_VideoDecoder.c b/loader/dmo/DMO_VideoDecoder.c
new file mode 100644
index 0000000000..f62a0fab74
--- /dev/null
+++ b/loader/dmo/DMO_VideoDecoder.c
@@ -0,0 +1,552 @@
+/********************************************************
+
+ DirectShow Video decoder implementation
+ Copyright 2000 Eugene Kuznetsov (divx@euro.ru)
+
+*********************************************************/
+
+#include "guids.h"
+#include "interfaces.h"
+#include "registry.h"
+
+#ifndef NOAVIFILE_HEADERS
+#include "videodecoder.h"
+#else
+#include "libwin32.h"
+#endif
+#include "DMO_Filter.h"
+
+#include "DMO_VideoDecoder.h"
+
+struct _DMO_VideoDecoder
+{
+ IVideoDecoder iv;
+
+ DMO_Filter* m_pDMO_Filter;
+ AM_MEDIA_TYPE m_sOurType, m_sDestType;
+ VIDEOINFOHEADER* m_sVhdr;
+ VIDEOINFOHEADER* m_sVhdr2;
+ int m_Caps;//CAPS m_Caps; // capabilities of DirectShow decoder
+ int m_iLastQuality; // remember last quality as integer
+ int m_iMinBuffers;
+ int m_iMaxAuto;
+};
+
+//#include "DMO_VideoDecoder.h"
+
+#include "../wine/winerror.h"
+
+#ifndef NOAVIFILE_HEADERS
+#define VFW_E_NOT_RUNNING 0x80040226
+#include "fourcc.h"
+#include "except.h"
+#endif
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <stdio.h>
+#include <stdlib.h> // labs
+
+// strcmp((const char*)info.dll,...) is used instead of (... == ...)
+// so Arpi could use char* pointer in his simplified DMO_VideoDecoder class
+
+#define __MODULE__ "DirectShow_VideoDecoder"
+
+#define false 0
+#define true 1
+
+
+//int DMO_VideoDecoder_GetCapabilities(DMO_VideoDecoder *this){return this->m_Caps;}
+
+typedef struct _ct ct;
+
+struct _ct {
+ fourcc_t fcc;
+ unsigned int bits;
+ const GUID* subtype;
+ int cap;
+ };
+
+static ct check[] = {
+ { fccI420, 12, &MEDIASUBTYPE_I420, CAP_I420 },
+ { fccYV12, 12, &MEDIASUBTYPE_YV12, CAP_YV12 },
+ { fccYUY2, 16, &MEDIASUBTYPE_YUY2, CAP_YUY2 },
+ { fccUYVY, 16, &MEDIASUBTYPE_UYVY, CAP_UYVY },
+ { fccYVYU, 16, &MEDIASUBTYPE_YVYU, CAP_YVYU },
+ { fccIYUV, 24, &MEDIASUBTYPE_IYUV, CAP_IYUV },
+
+ { 8, 8, &MEDIASUBTYPE_RGB8, CAP_NONE },
+ { 15, 16, &MEDIASUBTYPE_RGB555, CAP_NONE },
+ { 16, 16, &MEDIASUBTYPE_RGB565, CAP_NONE },
+ { 24, 24, &MEDIASUBTYPE_RGB24, CAP_NONE },
+ { 32, 32, &MEDIASUBTYPE_RGB32, CAP_NONE },
+
+ {0},
+};
+
+DMO_VideoDecoder * DMO_VideoDecoder_Open(char* dllname, GUID* guid, BITMAPINFOHEADER * format, int flip, int maxauto)
+{
+ DMO_VideoDecoder *this;
+ HRESULT result;
+ ct* c;
+
+ this = malloc(sizeof(DMO_VideoDecoder));
+ memset( this, 0, sizeof(DMO_VideoDecoder));
+
+ this->m_sVhdr2 = 0;
+ this->m_iLastQuality = -1;
+ this->m_iMaxAuto = maxauto;
+
+ Setup_LDT_Keeper();
+
+ //memset(&m_obh, 0, sizeof(m_obh));
+ //m_obh.biSize = sizeof(m_obh);
+ /*try*/
+ {
+ unsigned int bihs;
+
+ bihs = (format->biSize < (int) sizeof(BITMAPINFOHEADER)) ?
+ sizeof(BITMAPINFOHEADER) : format->biSize;
+
+ this->iv.m_bh = (BITMAPINFOHEADER*)malloc(bihs);
+ memcpy(this->iv.m_bh, format, bihs);
+
+ this->iv.m_State = STOP;
+ //this->iv.m_pFrame = 0;
+ this->iv.m_Mode = DIRECT;
+ this->iv.m_iDecpos = 0;
+ this->iv.m_iPlaypos = -1;
+ this->iv.m_fQuality = 0.0f;
+ this->iv.m_bCapable16b = true;
+
+ bihs += sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER);
+ this->m_sVhdr = (VIDEOINFOHEADER*)malloc(bihs);
+ memset(this->m_sVhdr, 0, bihs);
+ memcpy(&this->m_sVhdr->bmiHeader, this->iv.m_bh, this->iv.m_bh->biSize);
+ this->m_sVhdr->rcSource.left = this->m_sVhdr->rcSource.top = 0;
+ this->m_sVhdr->rcSource.right = this->m_sVhdr->bmiHeader.biWidth;
+ this->m_sVhdr->rcSource.bottom = this->m_sVhdr->bmiHeader.biHeight;
+ //this->m_sVhdr->rcSource.right = 0;
+ //this->m_sVhdr->rcSource.bottom = 0;
+ this->m_sVhdr->rcTarget = this->m_sVhdr->rcSource;
+
+ this->m_sOurType.majortype = MEDIATYPE_Video;
+ this->m_sOurType.subtype = MEDIATYPE_Video;
+ this->m_sOurType.subtype.f1 = this->m_sVhdr->bmiHeader.biCompression;
+ this->m_sOurType.formattype = FORMAT_VideoInfo;
+ this->m_sOurType.bFixedSizeSamples = false;
+ this->m_sOurType.bTemporalCompression = true;
+ this->m_sOurType.pUnk = 0;
+ this->m_sOurType.cbFormat = bihs;
+ this->m_sOurType.pbFormat = (char*)this->m_sVhdr;
+
+ this->m_sVhdr2 = (VIDEOINFOHEADER*)(malloc(sizeof(VIDEOINFOHEADER)+12));
+ memcpy(this->m_sVhdr2, this->m_sVhdr, sizeof(VIDEOINFOHEADER));
+ memset((char*)this->m_sVhdr2 + sizeof(VIDEOINFOHEADER), 0, 12);
+ this->m_sVhdr2->bmiHeader.biCompression = 0;
+ this->m_sVhdr2->bmiHeader.biBitCount = 24;
+
+// memset((char*)this->m_sVhdr2, 0, sizeof(VIDEOINFOHEADER)+12);
+ this->m_sVhdr2->rcTarget = this->m_sVhdr->rcTarget;
+// this->m_sVhdr2->rcSource = this->m_sVhdr->rcSource;
+
+ memset(&this->m_sDestType, 0, sizeof(this->m_sDestType));
+ this->m_sDestType.majortype = MEDIATYPE_Video;
+ this->m_sDestType.subtype = MEDIASUBTYPE_RGB24;
+ this->m_sDestType.formattype = FORMAT_VideoInfo;
+ this->m_sDestType.bFixedSizeSamples = true;
+ this->m_sDestType.bTemporalCompression = false;
+ this->m_sDestType.lSampleSize = labs(this->m_sVhdr2->bmiHeader.biWidth*this->m_sVhdr2->bmiHeader.biHeight
+ * ((this->m_sVhdr2->bmiHeader.biBitCount + 7) / 8));
+ this->m_sVhdr2->bmiHeader.biSizeImage = this->m_sDestType.lSampleSize;
+ this->m_sDestType.pUnk = 0;
+ this->m_sDestType.cbFormat = sizeof(VIDEOINFOHEADER);
+ this->m_sDestType.pbFormat = (char*)this->m_sVhdr2;
+
+ memset(&this->iv.m_obh, 0, sizeof(this->iv.m_obh));
+ memcpy(&this->iv.m_obh, this->iv.m_bh, sizeof(this->iv.m_obh) < (unsigned) this->iv.m_bh->biSize
+ ? sizeof(this->iv.m_obh) : (unsigned) this->iv.m_bh->biSize);
+ this->iv.m_obh.biBitCount=24;
+ this->iv.m_obh.biSize = sizeof(BITMAPINFOHEADER);
+ this->iv.m_obh.biCompression = 0; //BI_RGB
+ //this->iv.m_obh.biHeight = labs(this->iv.m_obh.biHeight);
+ this->iv.m_obh.biSizeImage = labs(this->iv.m_obh.biWidth * this->iv.m_obh.biHeight)
+ * ((this->iv.m_obh.biBitCount + 7) / 8);
+
+
+ this->m_pDMO_Filter = DMO_FilterCreate(dllname, guid, &this->m_sOurType, &this->m_sDestType);
+
+ if (!this->m_pDMO_Filter)
+ {
+ printf("Failed to create DMO filter\n");
+ return 0;
+ }
+
+ if (!flip)
+ {
+ this->iv.m_obh.biHeight *= -1;
+ this->m_sVhdr2->bmiHeader.biHeight = this->iv.m_obh.biHeight;
+// result = this->m_pDMO_Filter->m_pOutputPin->vt->QueryAccept(this->m_pDMO_Filter->m_pOutputPin, &this->m_sDestType);
+ result = this->m_pDMO_Filter->m_pMedia->vt->SetOutputType(this->m_pDMO_Filter->m_pMedia, 0, &this->m_sDestType, DMO_SET_TYPEF_TEST_ONLY);
+ if (result)
+ {
+ printf("Decoder does not support upside-down RGB frames\n");
+ this->iv.m_obh.biHeight *= -1;
+ this->m_sVhdr2->bmiHeader.biHeight = this->iv.m_obh.biHeight;
+ }
+ }
+
+ memcpy( &this->iv.m_decoder, &this->iv.m_obh, sizeof(this->iv.m_obh) );
+
+ switch (this->iv.m_bh->biCompression)
+ {
+#if 0
+ case fccDIV3:
+ case fccDIV4:
+ case fccDIV5:
+ case fccDIV6:
+ case fccMP42:
+ case fccWMV2:
+ //YV12 seems to be broken for DivX :-) codec
+// case fccIV50:
+ //produces incorrect picture
+ //m_Caps = (CAPS) (m_Caps & ~CAP_YV12);
+ //m_Caps = CAP_UYVY;//CAP_YUY2; // | CAP_I420;
+ //m_Caps = CAP_I420;
+ this->m_Caps = (CAP_YUY2 | CAP_UYVY);
+ break;
+#endif
+ default:
+
+ this->m_Caps = CAP_NONE;
+
+ printf("Decoder supports the following YUV formats: ");
+ for (c = check; c->bits; c++)
+ {
+ this->m_sVhdr2->bmiHeader.biBitCount = c->bits;
+ this->m_sVhdr2->bmiHeader.biCompression = c->fcc;
+ this->m_sDestType.subtype = *c->subtype;
+ //result = this->m_pDMO_Filter->m_pOutputPin->vt->QueryAccept(this->m_pDMO_Filter->m_pOutputPin, &this->m_sDestType);
+ result = this->m_pDMO_Filter->m_pMedia->vt->SetOutputType(this->m_pDMO_Filter->m_pMedia, 0, &this->m_sDestType, DMO_SET_TYPEF_TEST_ONLY);
+ if (!result)
+ {
+ this->m_Caps = (this->m_Caps | c->cap);
+ printf("%.4s ", &c->fcc);
+ }
+ }
+ printf("\n");
+ }
+
+ if (this->m_Caps != CAP_NONE)
+ printf("Decoder is capable of YUV output (flags 0x%x)\n", (int)this->m_Caps);
+
+ this->m_sVhdr2->bmiHeader.biBitCount = 24;
+ this->m_sVhdr2->bmiHeader.biCompression = 0;
+ this->m_sDestType.subtype = MEDIASUBTYPE_RGB24;
+
+ this->m_iMinBuffers = this->iv.VBUFSIZE;
+ }
+ /*catch (FatalError& error)
+ {
+ delete[] m_sVhdr;
+ delete[] m_sVhdr2;
+ delete m_pDMO_Filter;
+ throw;
+ }*/
+ return this;
+}
+
+void DMO_VideoDecoder_Destroy(DMO_VideoDecoder *this)
+{
+ DMO_VideoDecoder_StopInternal(this);
+ this->iv.m_State = STOP;
+ free(this->m_sVhdr);
+ free(this->m_sVhdr2);
+ DMO_Filter_Destroy(this->m_pDMO_Filter);
+}
+
+void DMO_VideoDecoder_StartInternal(DMO_VideoDecoder *this)
+{
+#if 0
+ ALLOCATOR_PROPERTIES props, props1;
+ Debug printf("DMO_VideoDecoder_StartInternal\n");
+ //cout << "DSSTART" << endl;
+ this->m_pDMO_Filter->Start(this->m_pDMO_Filter);
+
+ props.cBuffers = 1;
+ props.cbBuffer = this->m_sDestType.lSampleSize;
+
+ //don't know how to do this correctly
+ props.cbAlign = props.cbPrefix = 0;
+ this->m_pDMO_Filter->m_pAll->vt->SetProperties(this->m_pDMO_Filter->m_pAll, &props, &props1);
+ this->m_pDMO_Filter->m_pAll->vt->Commit(this->m_pDMO_Filter->m_pAll);
+#endif
+ this->iv.m_State = START;
+}
+
+void DMO_VideoDecoder_StopInternal(DMO_VideoDecoder *this)
+{
+ // this->m_pDMO_Filter->Stop(this->m_pDMO_Filter);
+ //??? why was this here ??? m_pOurOutput->SetFramePointer(0);
+}
+
+int DMO_VideoDecoder_DecodeInternal(DMO_VideoDecoder *this, const void* src, int size, int is_keyframe, char* imdata)
+{
+// IMediaSample* sample = 0;
+ char* ptr;
+ int result;
+ unsigned long status; // to be ignored by M$ specs
+ DMO_OUTPUT_DATA_BUFFER db;
+ CMediaBuffer* bufferin;
+//+ uint8_t* imdata = dest ? dest->Data() : 0;
+
+ Debug printf("DMO_VideoDecoder_DecodeInternal(%p,%p,%d,%d,%p)\n",this,src,size,is_keyframe,imdata);
+
+// this->m_pDMO_Filter->m_pAll->vt->GetBuffer(this->m_pDMO_Filter->m_pAll, &sample, 0, 0, 0);
+// if (!sample)
+// {
+// Debug printf("ERROR: null sample\n");
+// return -1;
+// }
+
+ Setup_FS_Segment();
+
+ bufferin = CMediaBufferCreate(size, (void*)src, size, 0);
+ result = this->m_pDMO_Filter->m_pMedia->vt->ProcessInput(this->m_pDMO_Filter->m_pMedia, 0,
+ (IMediaBuffer*)bufferin,
+ (is_keyframe) ? DMO_INPUT_DATA_BUFFERF_SYNCPOINT : 0,
+ 0, 0);
+ ((IMediaBuffer*)bufferin)->vt->Release((IUnknown*)bufferin);
+
+ if (result != S_OK)
+ {
+ /* something for process */
+ if (result != S_FALSE)
+ printf("ProcessInputError r:0x%x=%d (keyframe: %d)\n", result, result, is_keyframe);
+ else
+ printf("ProcessInputError FALSE ?? (keyframe: %d)\n", is_keyframe);
+ return size;
+ }
+
+ db.rtTimestamp = 0;
+ db.rtTimelength = 0;
+ db.dwStatus = 0;
+ db.pBuffer = (IMediaBuffer*) CMediaBufferCreate(this->m_sDestType.lSampleSize,
+ imdata, 0, 0);
+ result = this->m_pDMO_Filter->m_pMedia->vt->ProcessOutput(this->m_pDMO_Filter->m_pMedia,
+ (imdata) ? 0 : DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER,
+ 1, &db, &status);
+ //m_pDMO_Filter->m_pMedia->vt->Lock(m_pDMO_Filter->m_pMedia, 0);
+ if ((unsigned)result == DMO_E_NOTACCEPTING)
+ printf("ProcessOutputError: Not accepting\n");
+ else if (result)
+ printf("ProcessOutputError: r:0x%x=%d %ld stat:%ld\n", result, result, status, db.dwStatus);
+
+ ((IMediaBuffer*)db.pBuffer)->vt->Release((IUnknown*)db.pBuffer);
+
+ //int r = m_pDMO_Filter->m_pMedia->vt->Flush(m_pDMO_Filter->m_pMedia);
+ //printf("FLUSH %d\n", r);
+
+ return 0;
+}
+
+/*
+ * bits == 0 - leave unchanged
+ */
+//int SetDestFmt(DMO_VideoDecoder * this, int bits = 24, fourcc_t csp = 0);
+int DMO_VideoDecoder_SetDestFmt(DMO_VideoDecoder *this, int bits, unsigned int csp)
+{
+ HRESULT result;
+ int should_test=1;
+ int stoped = 0;
+
+ Debug printf("DMO_VideoDecoder_SetDestFmt (%p, %d, %d)\n",this,bits,(int)csp);
+
+ /* if (!CImage::Supported(csp, bits))
+ return -1;
+*/
+ // BitmapInfo temp = m_obh;
+
+ if (!csp) // RGB
+ {
+ int ok = true;
+
+ switch (bits)
+ {
+ case 15:
+ this->m_sDestType.subtype = MEDIASUBTYPE_RGB555;
+ break;
+ case 16:
+ this->m_sDestType.subtype = MEDIASUBTYPE_RGB565;
+ break;
+ case 24:
+ this->m_sDestType.subtype = MEDIASUBTYPE_RGB24;
+ break;
+ case 32:
+ this->m_sDestType.subtype = MEDIASUBTYPE_RGB32;
+ break;
+ default:
+ ok = false;
+ break;
+ }
+
+ if (ok) {
+ this->iv.m_obh.biBitCount=bits;
+ if( bits == 15 || bits == 16 ) {
+ this->iv.m_obh.biSize=sizeof(BITMAPINFOHEADER)+12;
+ this->iv.m_obh.biCompression=3;//BI_BITFIELDS
+ this->iv.m_obh.biSizeImage=abs((int)(2*this->iv.m_obh.biWidth*this->iv.m_obh.biHeight));
+ }
+
+ if( bits == 16 ) {
+ this->iv.m_obh.colors[0]=0xF800;
+ this->iv.m_obh.colors[1]=0x07E0;
+ this->iv.m_obh.colors[2]=0x001F;
+ } else if ( bits == 15 ) {
+ this->iv.m_obh.colors[0]=0x7C00;
+ this->iv.m_obh.colors[1]=0x03E0;
+ this->iv.m_obh.colors[2]=0x001F;
+ } else {
+ this->iv.m_obh.biSize = sizeof(BITMAPINFOHEADER);
+ this->iv.m_obh.biCompression = 0; //BI_RGB
+ //this->iv.m_obh.biHeight = labs(this->iv.m_obh.biHeight);
+ this->iv.m_obh.biSizeImage = labs(this->iv.m_obh.biWidth * this->iv.m_obh.biHeight)
+ * ((this->iv.m_obh.biBitCount + 7) / 8);
+ }
+ }
+ //.biSizeImage=abs(temp.biWidth*temp.biHeight*((temp.biBitCount+7)/8));
+ } else
+ { // YUV
+ int ok = true;
+ switch (csp)
+ {
+ case fccYUY2:
+ this->m_sDestType.subtype = MEDIASUBTYPE_YUY2;
+ break;
+ case fccYV12:
+ this->m_sDestType.subtype = MEDIASUBTYPE_YV12;
+ break;
+ case fccIYUV:
+ this->m_sDestType.subtype = MEDIASUBTYPE_IYUV;
+ break;
+ case fccI420:
+ this->m_sDestType.subtype = MEDIASUBTYPE_I420;
+ break;
+ case fccUYVY:
+ this->m_sDestType.subtype = MEDIASUBTYPE_UYVY;
+ break;
+ case fccYVYU:
+ this->m_sDestType.subtype = MEDIASUBTYPE_YVYU;
+ break;
+ case fccYVU9:
+ this->m_sDestType.subtype = MEDIASUBTYPE_YVU9;
+ default:
+ ok = false;
+ break;
+ }
+
+ if (ok) {
+ if (csp != 0 && csp != 3 && this->iv.m_obh.biHeight > 0)
+ this->iv.m_obh.biHeight *= -1; // YUV formats uses should have height < 0
+ this->iv.m_obh.biSize = sizeof(BITMAPINFOHEADER);
+ this->iv.m_obh.biCompression=csp;
+ this->iv.m_obh.biBitCount=bits;
+ this->iv.m_obh.biSizeImage=labs(this->iv.m_obh.biBitCount*
+ this->iv.m_obh.biWidth*this->iv.m_obh.biHeight)>>3;
+ }
+ }
+ this->m_sDestType.lSampleSize = this->iv.m_obh.biSizeImage;
+ memcpy(&(this->m_sVhdr2->bmiHeader), &this->iv.m_obh, sizeof(this->iv.m_obh));
+ this->m_sVhdr2->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ if (this->m_sVhdr2->bmiHeader.biCompression == 3)
+ this->m_sDestType.cbFormat = sizeof(VIDEOINFOHEADER) + 12;
+ else
+ this->m_sDestType.cbFormat = sizeof(VIDEOINFOHEADER);
+
+
+ switch(csp)
+ {
+ case fccYUY2:
+ if(!(this->m_Caps & CAP_YUY2))
+ should_test=false;
+ break;
+ case fccYV12:
+ if(!(this->m_Caps & CAP_YV12))
+ should_test=false;
+ break;
+ case fccIYUV:
+ if(!(this->m_Caps & CAP_IYUV))
+ should_test=false;
+ break;
+ case fccI420:
+ if(!(this->m_Caps & CAP_I420))
+ should_test=false;
+ break;
+ case fccUYVY:
+ if(!(this->m_Caps & CAP_UYVY))
+ should_test=false;
+ break;
+ case fccYVYU:
+ if(!(this->m_Caps & CAP_YVYU))
+ should_test=false;
+ break;
+ case fccYVU9:
+ if(!(this->m_Caps & CAP_YVU9))
+ should_test=false;
+ break;
+ }
+
+ Setup_FS_Segment();
+
+// if(should_test)
+// result = this->m_pDMO_Filter->m_pOutputPin->vt->QueryAccept(this->m_pDMO_Filter->m_pOutputPin, &this->m_sDestType);
+// else
+// result = -1;
+
+ // test accept
+ if(!this->m_pDMO_Filter) return 0;
+ result = this->m_pDMO_Filter->m_pMedia->vt->SetOutputType(this->m_pDMO_Filter->m_pMedia, 0, &this->m_sDestType, DMO_SET_TYPEF_TEST_ONLY);
+
+ if (result != 0)
+ {
+ if (csp)
+ printf("Warning: unsupported color space\n");
+ else
+ printf("Warning: unsupported bit depth\n");
+
+ this->m_sDestType.lSampleSize = this->iv.m_decoder.biSizeImage;
+ memcpy(&(this->m_sVhdr2->bmiHeader), &this->iv.m_decoder, sizeof(this->iv.m_decoder));
+ this->m_sVhdr2->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ if (this->m_sVhdr2->bmiHeader.biCompression == 3)
+ this->m_sDestType.cbFormat = sizeof(VIDEOINFOHEADER) + 12;
+ else
+ this->m_sDestType.cbFormat = sizeof(VIDEOINFOHEADER);
+
+ return -1;
+ }
+
+ memcpy( &this->iv.m_decoder, &this->iv.m_obh, sizeof(this->iv.m_obh));
+
+// m_obh=temp;
+// if(csp)
+// m_obh.biBitCount=BitmapInfo::BitCount(csp);
+ this->iv.m_bh->biBitCount = bits;
+
+ //DMO_VideoDecoder_Restart(this);
+
+ this->m_pDMO_Filter->m_pMedia->vt->SetOutputType(this->m_pDMO_Filter->m_pMedia, 0, &this->m_sDestType, 0);
+
+ return 0;
+}
+
+
+int DMO_VideoDecoder_SetDirection(DMO_VideoDecoder *this, int d)
+{
+ this->iv.m_obh.biHeight = (d) ? this->iv.m_bh->biHeight : -this->iv.m_bh->biHeight;
+ this->m_sVhdr2->bmiHeader.biHeight = this->iv.m_obh.biHeight;
+ return 0;
+}
+