void MovieTexture_FFMpeg::DecoderThread()
{
#if defined(_WINDOWS)
/* Windows likes to boost priority when processes come out of a wait state. We don't
* want that, since it'll result in us having a small priority boost after each movie
* frame, resulting in skips in the gameplay thread. */
if( !SetThreadPriorityBoost(GetCurrentThread(), TRUE) && GetLastError() != ERROR_CALL_NOT_IMPLEMENTED )
LOG->Warn( werr_ssprintf(GetLastError(), "SetThreadPriorityBoost failed") );
#endif
CHECKPOINT;
while( m_State != DECODER_QUIT )
{
if( m_ImageWaiting == FRAME_NONE )
DecodeFrame();
/* If we still have no frame, we're at EOF and we didn't loop. */
if( m_ImageWaiting != FRAME_DECODED )
{
usleep( 10000 );
continue;
}
const float fTime = CheckFrameTime();
if( fTime == -1 ) // skip frame
{
DiscardFrame();
}
else if( fTime > 0 ) // not time to decode a new frame yet
{
/* This needs to be relatively short so that we wake up quickly
* from being paused or for changes in m_Rate. */
usleep( 10000 );
}
else // fTime == 0
{
{
/* The only reason m_BufferFinished might be non-zero right now (before
* ConvertFrame()) is if we're quitting. */
int n = m_BufferFinished.GetValue();
ASSERT_M( n == 0 || m_State == DECODER_QUIT, ssprintf("%i, %i", n, m_State) );
}
ConvertFrame();
/* We just went into FRAME_WAITING. Don't actually check; the main thread
* will change us back to FRAME_NONE without locking, and poke m_BufferFinished.
* Don't time out on this; if a new screen has started loading, this might not
* return for a while. */
m_BufferFinished.Wait( false );
/* If the frame wasn't used, then we must be shutting down. */
ASSERT_M( m_ImageWaiting == FRAME_NONE || m_State == DECODER_QUIT, ssprintf("%i, %i", m_ImageWaiting, m_State) );
}
}
CHECKPOINT;
}
void MovieTexture_FFMpeg::Update(float fDeltaTime)
{
/* We might need to decode more than one frame per update. However, there
* have been bugs in ffmpeg that cause it to not handle EOF properly, which
* could make this never return, so let's play it safe. */
int iMax = 4;
while( --iMax )
{
if( !m_bThreaded )
{
/* If we don't have a frame decoded, decode one. */
if( m_ImageWaiting == FRAME_NONE )
DecodeFrame();
/* If we have a frame decoded, see if it's time to display it. */
if( m_ImageWaiting == FRAME_DECODED )
{
float fTime = CheckFrameTime();
if( fTime > 0 )
return;
else if( fTime == -1 )
DiscardFrame();
else
ConvertFrame();
}
}
/* Note that if there's an image waiting, we *must* signal m_BufferFinished, or
* the decoder thread may sit around waiting for it, even though Pause and Play
* calls, causing the clock to keep running. */
if( m_ImageWaiting != FRAME_WAITING )
return;
CHECKPOINT;
UpdateFrame();
if( m_bThreaded )
m_BufferFinished.Post();
}
LOG->MapLog( "ffmpeg_looping", "MovieTexture_FFMpeg::Update looping" );
}
CString MovieTexture_FFMpeg::Init()
{
CString sError = CreateDecoder();
if( sError != "" )
return sError;
LOG->Trace("Bitrate: %i", decoder->m_stream->codec.bit_rate );
LOG->Trace("Codec pixel format: %s", avcodec::avcodec_get_pix_fmt_name(decoder->m_stream->codec.pix_fmt) );
/* Decode one frame, to guarantee that the texture is drawn when this function returns. */
int ret = decoder->GetFrame();
if( ret == -1 )
return ssprintf( "%s: error getting first frame", GetID().filename.c_str() );
if( ret == 0 )
{
/* There's nothing there. */
return ssprintf( "%s: EOF getting first frame", GetID().filename.c_str() );
}
m_ImageWaiting = FRAME_DECODED;
CreateTexture();
LOG->Trace( "Resolution: %ix%i (%ix%i, %ix%i)",
m_iSourceWidth, m_iSourceHeight,
m_iImageWidth, m_iImageHeight, m_iTextureWidth, m_iTextureHeight );
LOG->Trace( "Texture pixel format: %i", m_AVTexfmt );
CreateFrameRects();
ConvertFrame();
UpdateFrame();
CHECKPOINT;
StartThread();
return "";
}
BOOL ConvertImage(LPIMAGE lpImage, LPCONVERT_PARMS lpParms)
/***********************************************************************/
{
BOOL fRet = FALSE;
LPFRAME lpDstFrame, lpBaseFrame;
LPOBJECT lpBase, lpObject;
BOOL fError, fOptimize, fProgressSet;
INTERNAL_DATA data;
int inDepth, iMaxWidth, nColors, i;
LPCOLORMAP lpColorMap;
LPRGB lpRGB;
FRMTYPEINFO InTypeInfo, OutTypeInfo;
CFrameTypeConvert TypeConvert;
DITHER_TYPE DitherType = DT_DEFAULT;
if (ImgInMaskEditMode(lpImage))
return(TRUE);
lpColorMap = NULL;
lpBase = ImgGetBase(lpImage);
lpBaseFrame = ObjGetEditFrame(lpBase);
inDepth = FrameDepth(lpBaseFrame);
OutTypeInfo = lpParms->cmsInfo.dst;
FrameGetTypeInfo(lpBaseFrame, &InTypeInfo);
// are we try to convert to a color managed image?
if (Control.CMSEnabled && IsDstPTSelected(&OutTypeInfo.ptInfo))
{
// see if our image already has a color managed source
if (!IsSrcPTSelected(&InTypeInfo.ptInfo))
{
// nope, see if the source passed in is valid for this image
if (IsSrcPTSelected(&lpParms->cmsInfo.src.ptInfo) &&
(lpParms->cmsInfo.src.DataType == InTypeInfo.DataType))
{
InTypeInfo = lpParms->cmsInfo.src;
}
// go get a source from the user
else
{
CMSINFO CmsInfo2;
if( CmsGetSrcPTType( &InTypeInfo, &CmsInfo2) )
InTypeInfo = CmsInfo2.src;
}
}
}
else
FrameSetTypeInfo(&InTypeInfo, InTypeInfo.DataType, InTypeInfo.ColorMap);
// no conversion necessary
if (FrameTypeInfoEqual(InTypeInfo, OutTypeInfo))
return(TRUE);
DitherType = lpParms->DitherType;
fOptimize = lpParms->ConvertType == CT_OPTIMIZED;
fProgressSet = FALSE;
if ( OutTypeInfo.DataType == FDT_PALETTECOLOR/* && inDepth >= 3 */)
{
if (lpParms->ConvertType == CT_CUSTOM)
{
FNAME szFileName;
if ( !LookupExtFileN( lpParms->szPalette, szFileName, IDN_PALETTE, NO ) )
return(FALSE);
if (!(lpColorMap = Palette_ReadColorMap(szFileName)))
return(FALSE);
}
else
{
// allocate a map to carry around with image
lpColorMap = FrameCreateColorMap();
if (!lpColorMap)
{
Message(IDS_EMEMALLOC);
goto MemError;
}
lpColorMap->NumEntries = lpParms->iLevels;
if (InTypeInfo.DataType == FDT_GRAYSCALE && lpColorMap->NumEntries == 256 &&
fOptimize)
{
DitherType = DT_NONE;
lpRGB = lpColorMap->RGBData;
for (i = 0; i < lpColorMap->NumEntries; ++i)
{
lpRGB->red = lpRGB->green = lpRGB->blue = i;
++lpRGB;
}
}
else
{
// 1. CreateOptimizedPalette phase - only if fOptimize
// 2. Mapping phase
ProgressBegin(fOptimize ? 2 : 1,
lpParms->Common.idDirty-IDS_UNDOFIRST+IDS_PROGFIRST);
fProgressSet = TRUE;
if (fOptimize)
ProgressBegin(1, 0);
if (!CreateOptimizedPalette(lpBase, ObjGetEditFrame(lpBase),
lpColorMap->RGBData, &lpColorMap->NumEntries,
fOptimize,
fOptimize ? AstralClockCursor : NULL))
{
if (fOptimize)
ProgressEnd();
Message(IDS_EMEMALLOC);
goto ExitFalse;
}
if (fOptimize)
ProgressEnd();
}
}
if (lpColorMap->NumEntries <= 16)
lpColorMap->NumEntries = 16;
else
lpColorMap->NumEntries = 256;
FrameSetTypeInfo(&OutTypeInfo, FDT_PALETTECOLOR, lpColorMap);
}
if (!fProgressSet)
ProgressBegin(1, lpParms->Common.idDirty-IDS_UNDOFIRST+IDS_PROGFIRST);
fProgressSet = TRUE;
iMaxWidth = 0;
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
{
if (RectWidth(&lpObject->rObject) > iMaxWidth)
iMaxWidth = RectWidth(&lpObject->rObject);
}
if (!TypeConvert.Init(InTypeInfo, OutTypeInfo, iMaxWidth, DitherType))
{
Message(IDS_EMEMALLOC);
goto ExitFalse;
}
if (ImgMultipleObjects(lpImage))
{
ProgressBegin(ImgCountObjects(lpImage), 0);
if ( !ImgEditInit(lpImage, ET_ALLOBJECTS, UT_NEWDATA|UT_COLORMAP, lpBase) )
goto ExitFalse;
fError = NO;
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
{
lpDstFrame = ConvertFrame(ObjGetEditFrame(lpObject), OutTypeInfo, &TypeConvert);
if (!lpDstFrame)
{
fError = YES;
break;
}
ImgEditedObjectFrame( lpImage, lpObject, lpParms->Common.idDirty, NULL,
lpDstFrame, NULL);
}
if (fError)
{
lpObject = NULL;
while (lpObject = ImgGetNextObject(lpImage, lpObject, YES, NO))
{
if (lpObject->Pixmap.UndoFrame)
{
lpDstFrame = lpObject->Pixmap.EditFrame;
lpObject->Pixmap.EditFrame = lpObject->Pixmap.UndoFrame;
lpObject->Pixmap.UndoFrame = NULL;
FrameClose(lpDstFrame);
}
}
}
ProgressEnd();
}
else
{
if ( !ImgEditInit(lpImage, ET_OBJECT, UT_NEWDATA|UT_COLORMAP, lpBase) )
goto ExitFalse;
ProgressBegin(1, 0);
lpDstFrame = ConvertFrame(lpBaseFrame, OutTypeInfo, &TypeConvert);
ProgressEnd();
if (!lpDstFrame)
goto ExitFalse;
/* Setup the new image and bring up the new image window */
ImgEditedObjectFrame( lpImage, lpBase, lpParms->Common.idDirty, NULL,
lpDstFrame, NULL);
}
switch (lpParms->cmsInfo.dst.DataType)
{
case FDT_LINEART:
lpImage->DataType = IDC_SAVELA;
break;
case FDT_GRAYSCALE:
lpImage->DataType = IDC_SAVECT;
break;
case FDT_PALETTECOLOR:
lpImage->DataType = IDC_SAVE8BITCOLOR;
break;
case FDT_RGBCOLOR:
lpImage->DataType = IDC_SAVE24BITCOLOR;
break;
case FDT_CMYKCOLOR:
lpImage->DataType = IDC_SAVE32BITCOLOR;
break;
}
ImgColorMapChanged(lpImage);
lpParms->Common.UpdateType = UT_DATATYPE;
fRet = TRUE;
ExitFalse:
if (fProgressSet)
ProgressEnd();
MemError:
if (lpColorMap)
FrameDestroyColorMap(lpColorMap);
return(fRet);
}
