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IMAGE: Use new BitStreamMemory class for indeo

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This commit is contained in:
Willem Jan Palenstijn 2017-07-24 22:16:53 +02:00
parent 0c8f95603f
commit edfdbb9dd7
3 changed files with 6 additions and 7 deletions
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5
image/codecs/indeo/get_bits.h
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@ -31,15 +31,14 @@ namespace Indeo {
/**
* Intel Indeo Bitstream reader
*/
class GetBits : public Common::BitStream8LSB {
class GetBits : public Common::BitStreamMemory8LSB {
public:
/**
* Constructor
* @param stream Source stream to reader from
* @param disposeAfterUse Whether to destroy stream in destructor
*/
GetBits(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse
= DisposeAfterUse::YES) : Common::BitStream8LSB(stream, disposeAfterUse) {}
GetBits(const uint8 *ptr, uint32 size) : Common::BitStreamMemory8LSB(new Common::BitStreamMemoryStream(ptr, size), DisposeAfterUse::YES) {}
/**
* The number of bits left

4
image/codecs/indeo4.cpp
View File

@ -56,7 +56,7 @@ bool Indeo4Decoder::isIndeo4(Common::SeekableReadStream &stream) {
stream.seek(-16, SEEK_CUR);
// Validate the first 18-bit word has the correct identifier
Indeo::GetBits gb(new Common::MemoryReadStream(buffer, 16 * 8), DisposeAfterUse::YES);
Indeo::GetBits gb(buffer, 16 * 8);
bool isIndeo4 = gb.getBits(18) == 0x3FFF8;
return isIndeo4;
@ -74,7 +74,7 @@ const Graphics::Surface *Indeo4Decoder::decodeFrame(Common::SeekableReadStream &
_ctx._frameSize = stream.size();
// Set up the GetBits instance for reading the data
_ctx._gb = new GetBits(new Common::MemoryReadStream(_ctx._frameData, _ctx._frameSize));
_ctx._gb = new GetBits(_ctx._frameData, _ctx._frameSize);
// Decode the frame
int err = decodeIndeoFrame();

4
image/codecs/indeo5.cpp
View File

@ -67,7 +67,7 @@ bool Indeo5Decoder::isIndeo5(Common::SeekableReadStream &stream) {
stream.seek(-16, SEEK_CUR);
// Validate the first 5-bit word has the correct identifier
Indeo::GetBits gb(new Common::MemoryReadStream(buffer, 16 * 8));
Indeo::GetBits gb(buffer, 16 * 8);
bool isIndeo5 = gb.getBits(5) == 0x1F;
return isIndeo5;
@ -85,7 +85,7 @@ const Graphics::Surface *Indeo5Decoder::decodeFrame(Common::SeekableReadStream &
_ctx._frameSize = stream.size();
// Set up the GetBits instance for reading the data
_ctx._gb = new GetBits(new Common::MemoryReadStream(_ctx._frameData, _ctx._frameSize));
_ctx._gb = new GetBits(_ctx._frameData, _ctx._frameSize);
// Decode the frame
int err = decodeIndeoFrame();