/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#if HS_BUILD_FOR_WIN32
# include "hsWindows.h"
# include <vfw.h>
#endif // HS_BUILD_FOR_WIN32
#include "plLayerAVI.h"
#include "plGImage/plMipmap.h"
#if HS_BUILD_FOR_WIN32
class plAVIFileInfo
{
public:
plAVIFileInfo() : fAVIStream(nil), fGetFrame(0) {}
IAVIStream* fAVIStream;
AVISTREAMINFO fAVIStreamInfo;
PGETFRAME fGetFrame; // Where in the stream to get the next frame
};
#else // HS_BUILD_FOR_WIN32
struct plAVIFileInfo
{
};
#endif // HS_BUILD_FOR_WIN32
#if HS_BUILD_FOR_WIN32
static bool ICopySourceToTexture24(BITMAPINFO* bmi, plMipmap* t);
static bool ICopySourceToTexture16(BITMAPINFO* bmi, plMipmap* t);
#endif
plLayerAVI::plLayerAVI()
{
fAVIInfo = new plAVIFileInfo;
}
plLayerAVI::~plLayerAVI()
{
ICloseMovie();
delete fAVIInfo;
}
bool plLayerAVI::IInit()
{
#if HS_BUILD_FOR_WIN32
int ret = AVIStreamOpenFromFile( &fAVIInfo->fAVIStream,
fMovieName,
streamtypeVIDEO,
0,
OF_READ,
NULL);
if (ret)
return ISetFault("Error opening AVI");
if( !(fAVIInfo->fGetFrame = AVIStreamGetFrameOpen(fAVIInfo->fAVIStream, NULL)) )
return ISetFault("Error positioning AVI");
if( AVIStreamInfo(fAVIInfo->fAVIStream, &fAVIInfo->fAVIStreamInfo, sizeof(AVISTREAMINFO)) )
return ISetFault("Error getting AVI info");
BITMAPINFO* bmi;
if( !(bmi = (BITMAPINFO*)AVIStreamGetFrame(fAVIInfo->fGetFrame, fCurrentFrame >= 0 ? fCurrentFrame : 0)) )
return ISetFault("Can't get first frame");
ISetSize(bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight);
int32_t endFrame = fAVIInfo->fAVIStreamInfo.dwLength-1;
float length = float(endFrame) * float(fAVIInfo->fAVIStreamInfo.dwScale)
/ float(fAVIInfo->fAVIStreamInfo.dwRate);
ISetLength(length);
#endif
return false;
}
int32_t plLayerAVI::ISecsToFrame(float secs)
{
#if HS_BUILD_FOR_WIN32
float timeScale = float(fAVIInfo->fAVIStreamInfo.dwRate) / float(fAVIInfo->fAVIStreamInfo.dwScale);
#else
float timeScale = 1.0f;
#endif
return int32_t(secs * timeScale + 0.5f);
}
bool plLayerAVI::IGetCurrentFrame()
{
#if HS_BUILD_FOR_WIN32
if( !fAVIInfo->fAVIStream )
IInit();
ICheckBitmap();
BITMAPINFO* bmi;
if( !(bmi = (BITMAPINFO*)AVIStreamGetFrame(fAVIInfo->fGetFrame, fCurrentFrame)) )
return ISetFault("Can't get frame");
switch(bmi->bmiHeader.biBitCount)
{
case 16:
return ICopySourceToTexture16(bmi, plMipmap::ConvertNoRef(GetTexture()));
break;
case 24:
return ICopySourceToTexture24(bmi, plMipmap::ConvertNoRef(GetTexture()));
break;
default:
return ISetFault("Unknown AVI color depth");
}
#endif
return true;
}
#if HS_BUILD_FOR_WIN32
static bool ICopySourceToTexture16(BITMAPINFO* bmi, plMipmap* b)
{
hsAssert( b != nil, "nil mipmap passed to ICopySourceToTexture16()" );
uint16_t* pSrc = (uint16_t*)( bmi->bmiHeader.biSize + (BYTE*)bmi );
uint32_t* pix = (uint32_t*)b->GetImage();
pix += b->GetWidth() * b->GetHeight();
int width = bmi->bmiHeader.biWidth;
int height = bmi->bmiHeader.biHeight;
int useHeight = hsMinimum(height, b->GetHeight());
int useWidth = hsMinimum(width, b->GetWidth());
int i;
for( i = 0; i < useHeight; i++ )
{
uint16_t* src = pSrc;
pSrc += width;
pix -= b->GetWidth();
uint32_t* tPix = pix;
int j;
for( j = 0; j < useWidth; j++ )
{
*tPix = ((*src & 0x001f) << 3) // up 3
| ((*src & 0x03e0) << 6) // down 5 up 3 up 8
| ((*src & 0x7c00) << 9) // down 10 up 3 up 16
| (0xff << 24); // alpha
src++;
++tPix;
}
}
return false;
}
static bool ICopySourceToTexture24(BITMAPINFO* bmi, plMipmap* b)
{
hsAssert( b != nil, "nil mipmap passed to ICopySourceToTexture24()" );
unsigned char* pSrc = (unsigned char*)( bmi->bmiHeader.biSize + (BYTE*)bmi );
hsRGBAColor32* pix = (hsRGBAColor32*)b->GetImage();
pix += b->GetWidth() * b->GetHeight();
int width = bmi->bmiHeader.biWidth;
int height = bmi->bmiHeader.biHeight;
int useHeight = hsMinimum(height, b->GetHeight());
int useWidth = hsMinimum(width, b->GetWidth());
int i;
for( i = 0; i < useHeight; i++ )
{
unsigned char* src = pSrc;
pSrc += width * 3;
pix -= b->GetWidth();
hsRGBAColor32* tPix = pix;
int j;
for( j = 0; j < useWidth; j++ )
{
tPix->b = *src++;
tPix->g = *src++;
tPix->r = *src++;
++tPix;
}
}
return false;
}
#endif
bool plLayerAVI::ICloseMovie()
{
#if HS_BUILD_FOR_WIN32
if( fAVIInfo->fGetFrame )
AVIStreamGetFrameClose(fAVIInfo->fGetFrame);
fAVIInfo->fGetFrame = 0;
if( fAVIInfo->fAVIStream )
AVIStreamRelease(fAVIInfo->fAVIStream);
fAVIInfo->fAVIStream = nil;
#endif
return false;
}
bool plLayerAVI::IRelease()
{
ICloseMovie();
return false;
}