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IMAGE: Remove unnecessary extra heap allocation of Indeo surface

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This commit is contained in:
Colin Snover 2017-08-24 16:41:07 -05:00
parent 7dd2c0342d
commit d39a9272bf
4 changed files with 19 additions and 21 deletions

12
image/codecs/indeo/indeo.cpp

@ -479,15 +479,13 @@ IndeoDecoderBase::IndeoDecoderBase(uint16 width, uint16 height, uint bitsPerPixe
break;
}
_surface = new Graphics::Surface();
_surface->create(width, height, _pixelFormat);
_surface->fillRect(Common::Rect(0, 0, width, height), (bitsPerPixel == 32) ? 0xff : 0);
_surface.create(width, height, _pixelFormat);
_surface.fillRect(Common::Rect(0, 0, width, height), (bitsPerPixel == 32) ? 0xff : 0);
_ctx._bRefBuf = 3; // buffer 2 is used for scalability mode
}
IndeoDecoderBase::~IndeoDecoderBase() {
_surface->free();
delete _surface;
_surface.free();
IVIPlaneDesc::freeBuffers(_ctx._planes);
if (_ctx._mbVlc._custTab._table)
_ctx._mbVlc._custTab.freeVlc();
@ -557,7 +555,7 @@ int IndeoDecoderBase::decodeIndeoFrame() {
if (!isNonNullFrame())
return 0;
assert(_ctx._planes[0]._width <= _surface->w && _ctx._planes[0]._height <= _surface->h);
assert(_ctx._planes[0]._width <= _surface.w && _ctx._planes[0]._height <= _surface.h);
result = frame->setDimensions(_ctx._planes[0]._width, _ctx._planes[0]._height);
if (result < 0)
return result;
@ -578,7 +576,7 @@ int IndeoDecoderBase::decodeIndeoFrame() {
outputPlane(&_ctx._planes[1], frame->_data[2], frame->_linesize[2]);
// Merge the planes into the final surface
YUVToRGBMan.convert410(_surface, Graphics::YUVToRGBManager::kScaleITU,
YUVToRGBMan.convert410(&_surface, Graphics::YUVToRGBManager::kScaleITU,
frame->_data[0], frame->_data[1], frame->_data[2], frame->_width, frame->_height,
frame->_width, frame->_width);

2
image/codecs/indeo/indeo.h

@ -519,7 +519,7 @@ private:
protected:
IVI45DecContext _ctx;
Graphics::PixelFormat _pixelFormat;
Graphics::Surface *_surface;
Graphics::Surface _surface;
/**
* Scan patterns shared between indeo4 and indeo5

24
image/codecs/indeo4.cpp

@ -88,7 +88,7 @@ const Graphics::Surface *Indeo4Decoder::decodeFrame(Common::SeekableReadStream &
_ctx._frameData = nullptr;
_ctx._frameSize = 0;
return (err < 0) ? nullptr : _surface;
return (err < 0) ? nullptr : &_surface;
}
int Indeo4Decoder::decodePictureHeader() {
@ -607,16 +607,16 @@ int Indeo4Decoder::decodeRLETransparency(VLC_TYPE (*table)[2]) {
const uint32 opacityMask = 0xFF << _pixelFormat.aShift;
uint32 *pixel = (uint32 *)_surface->getPixels();
const int surfacePixelPitch = _surface->pitch / _surface->format.bytesPerPixel;
const int surfacePadding = surfacePixelPitch - _surface->w;
const uint32 *endOfVisibleRow = pixel + _surface->w;
const uint32 *endOfVisibleArea = pixel + surfacePixelPitch * _surface->h - surfacePadding;
uint32 *pixel = (uint32 *)_surface.getPixels();
const int surfacePixelPitch = _surface.pitch / _surface.format.bytesPerPixel;
const int surfacePadding = surfacePixelPitch - _surface.w;
const uint32 *endOfVisibleRow = pixel + _surface.w;
const uint32 *endOfVisibleArea = pixel + surfacePixelPitch * _surface.h - surfacePadding;
const int codecAlignedWidth = (_surface->w + 31) & ~31;
const int codecPaddingSize = codecAlignedWidth - _surface->w;
const int codecAlignedWidth = (_surface.w + 31) & ~31;
const int codecPaddingSize = codecAlignedWidth - _surface.w;
int numPixelsToRead = codecAlignedWidth * _surface->h;
int numPixelsToRead = codecAlignedWidth * _surface.h;
int numPixelsToSkip = 0;
while (numPixelsToRead > 0) {
int value = _ctx._gb->getVLC2<1>(table, IVI_VLC_BITS);
@ -774,8 +774,8 @@ int Indeo4Decoder::decodeTransparency() {
_surface->convertToInPlace(_pixelFormat);
}
assert(_surface->format.bytesPerPixel == 4);
assert((_surface->pitch % 4) == 0);
assert(_surface.format.bytesPerPixel == 4);
assert((_surface.pitch % 4) == 0);
const uint32 startByte = _ctx._gb->pos() / 8;
@ -788,7 +788,7 @@ int Indeo4Decoder::decodeTransparency() {
// It should only be necessary to draw transparency here since the
// data from the YUV planes gets drawn to the output surface on each
// frame, which resets the surface pixels to be fully opaque
_surface->fillRect(Common::Rect(_surface->w, _surface->h), 0);
_surface.fillRect(Common::Rect(_surface.w, _surface.h), 0);
}
// No alignment here

2
image/codecs/indeo5.cpp

@ -97,7 +97,7 @@ const Graphics::Surface *Indeo5Decoder::decodeFrame(Common::SeekableReadStream &
_ctx._frameData = nullptr;
_ctx._frameSize = 0;
return (err < 0) ? nullptr : _surface;
return (err < 0) ? nullptr : &_surface;
}
int Indeo5Decoder::decodePictureHeader() {