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-rw-r--r--audio/decoders/qdm2.cpp24
-rw-r--r--common/bitstream.h74
-rw-r--r--common/huffman.cpp15
-rw-r--r--common/huffman.h18
-rw-r--r--engines/groovie/stuffit.cpp6
-rw-r--r--engines/macventure/container.h1
-rw-r--r--engines/macventure/image.cpp12
-rw-r--r--engines/macventure/image.h13
-rw-r--r--image/codecs/svq1.cpp12
-rw-r--r--image/codecs/svq1.h14
-rw-r--r--video/bink_decoder.h6
-rw-r--r--video/psx_decoder.cpp10
-rw-r--r--video/psx_decoder.h12
-rw-r--r--video/smk_decoder.cpp24
-rw-r--r--video/smk_decoder.h6
15 files changed, 100 insertions, 147 deletions
diff --git a/audio/decoders/qdm2.cpp b/audio/decoders/qdm2.cpp
index a2f4326152..b8d007da51 100644
--- a/audio/decoders/qdm2.cpp
+++ b/audio/decoders/qdm2.cpp
@@ -213,9 +213,9 @@ private:
void fill_coding_method_array(sb_int8_array tone_level_idx, sb_int8_array tone_level_idx_temp,
sb_int8_array coding_method, int nb_channels,
int c, int superblocktype_2_3, int cm_table_select);
- void synthfilt_build_sb_samples(Common::BitStream *gb, int length, int sb_min, int sb_max);
- void init_quantized_coeffs_elem0(int8 *quantized_coeffs, Common::BitStream *gb, int length);
- void init_tone_level_dequantization(Common::BitStream *gb, int length);
+ void synthfilt_build_sb_samples(Common::BitStream32LELSB *gb, int length, int sb_min, int sb_max);
+ void init_quantized_coeffs_elem0(int8 *quantized_coeffs, Common::BitStream32LELSB *gb, int length);
+ void init_tone_level_dequantization(Common::BitStream32LELSB *gb, int length);
void process_subpacket_9(QDM2SubPNode *node);
void process_subpacket_10(QDM2SubPNode *node, int length);
void process_subpacket_11(QDM2SubPNode *node, int length);
@@ -224,7 +224,7 @@ private:
void qdm2_decode_super_block(void);
void qdm2_fft_init_coefficient(int sub_packet, int offset, int duration,
int channel, int exp, int phase);
- void qdm2_fft_decode_tones(int duration, Common::BitStream *gb, int b);
+ void qdm2_fft_decode_tones(int duration, Common::BitStream32LELSB *gb, int b);
void qdm2_decode_fft_packets(void);
void qdm2_fft_generate_tone(FFTTone *tone);
void qdm2_fft_tone_synthesizer(uint8 sub_packet);
@@ -677,7 +677,7 @@ void ff_mpa_synth_filter(int16 *synth_buf_ptr, int *synth_buf_offset,
* read the longest vlc code
* = (max_vlc_length + bits - 1) / bits
*/
-static int getVlc2(Common::BitStream *s, int16 (*table)[2], int bits, int maxDepth) {
+static int getVlc2(Common::BitStream32LELSB *s, int16 (*table)[2], int bits, int maxDepth) {
int index = s->peekBits(bits);
int code = table[index][0];
int n = table[index][1];
@@ -1227,7 +1227,7 @@ QDM2Stream::~QDM2Stream() {
delete[] _compressedData;
}
-static int qdm2_get_vlc(Common::BitStream *gb, VLC *vlc, int flag, int depth) {
+static int qdm2_get_vlc(Common::BitStream32LELSB *gb, VLC *vlc, int flag, int depth) {
int value = getVlc2(gb, vlc->table, vlc->bits, depth);
// stage-2, 3 bits exponent escape sequence
@@ -1246,7 +1246,7 @@ static int qdm2_get_vlc(Common::BitStream *gb, VLC *vlc, int flag, int depth) {
return value;
}
-static int qdm2_get_se_vlc(VLC *vlc, Common::BitStream *gb, int depth)
+static int qdm2_get_se_vlc(VLC *vlc, Common::BitStream32LELSB *gb, int depth)
{
int value = qdm2_get_vlc(gb, vlc, 0, depth);
@@ -1612,7 +1612,7 @@ void QDM2Stream::fill_coding_method_array(sb_int8_array tone_level_idx, sb_int8_
* @param sb_min lower subband processed (sb_min included)
* @param sb_max higher subband processed (sb_max excluded)
*/
-void QDM2Stream::synthfilt_build_sb_samples(Common::BitStream *gb, int length, int sb_min, int sb_max) {
+void QDM2Stream::synthfilt_build_sb_samples(Common::BitStream32LELSB *gb, int length, int sb_min, int sb_max) {
int sb, j, k, n, ch, run, channels;
int joined_stereo, zero_encoding, chs;
int type34_first;
@@ -1792,7 +1792,7 @@ void QDM2Stream::synthfilt_build_sb_samples(Common::BitStream *gb, int length, i
* @param gb bitreader context
* @param length packet length in bits
*/
-void QDM2Stream::init_quantized_coeffs_elem0(int8 *quantized_coeffs, Common::BitStream *gb, int length) {
+void QDM2Stream::init_quantized_coeffs_elem0(int8 *quantized_coeffs, Common::BitStream32LELSB *gb, int length) {
int i, k, run, level, diff;
if ((length - gb->pos()) < 16)
@@ -1826,7 +1826,7 @@ void QDM2Stream::init_quantized_coeffs_elem0(int8 *quantized_coeffs, Common::Bit
* @param gb bitreader context
* @param length packet length in bits
*/
-void QDM2Stream::init_tone_level_dequantization(Common::BitStream *gb, int length) {
+void QDM2Stream::init_tone_level_dequantization(Common::BitStream32LELSB *gb, int length) {
int sb, j, k, n, ch;
for (ch = 0; ch < _channels; ch++) {
@@ -2021,7 +2021,7 @@ void QDM2Stream::qdm2_decode_super_block(void) {
average_quantized_coeffs(); // average elements in quantized_coeffs[max_ch][10][8]
Common::MemoryReadStream *d = new Common::MemoryReadStream(_compressedData, _packetSize*8);
- Common::BitStream *gb = new Common::BitStream32LELSB(d);
+ Common::BitStream32LELSB *gb = new Common::BitStream32LELSB(d);
//qdm2_decode_sub_packet_header
header.type = gb->getBits(8);
@@ -2188,7 +2188,7 @@ void QDM2Stream::qdm2_fft_init_coefficient(int sub_packet, int offset, int durat
_fftCoefsIndex++;
}
-void QDM2Stream::qdm2_fft_decode_tones(int duration, Common::BitStream *gb, int b) {
+void QDM2Stream::qdm2_fft_decode_tones(int duration, Common::BitStream32LELSB *gb, int b) {
int channel, stereo, phase, exp;
int local_int_4, local_int_8, stereo_phase, local_int_10;
int local_int_14, stereo_exp, local_int_20, local_int_28;
diff --git a/common/bitstream.h b/common/bitstream.h
index 325118bbee..ae5677da1a 100644
--- a/common/bitstream.h
+++ b/common/bitstream.h
@@ -32,50 +32,6 @@
namespace Common {
-/** A bit stream. */
-class BitStream {
-public:
- virtual ~BitStream() {
- }
-
- /** Return the stream position in bits. */
- virtual uint32 pos() const = 0;
-
- /** Return the stream size in bits. */
- virtual uint32 size() const = 0;
-
- /** Has the end of the stream been reached? */
- virtual bool eos() const = 0;
-
- /** Rewind the bit stream back to the start. */
- virtual void rewind() = 0;
-
- /** Skip the specified amount of bits. */
- virtual void skip(uint32 n) = 0;
-
- /** Skip the bits to closest data value border. */
- virtual void align() = 0;
-
- /** Read a bit from the bit stream. */
- virtual uint32 getBit() = 0;
-
- /** Read a multi-bit value from the bit stream. */
- virtual uint32 getBits(uint8 n) = 0;
-
- /** Read a bit from the bit stream, without changing the stream's position. */
- virtual uint32 peekBit() = 0;
-
- /** Read a multi-bit value from the bit stream, without changing the stream's position. */
- virtual uint32 peekBits(uint8 n) = 0;
-
- /** Add a bit to the value x, making it an n+1-bit value. */
- virtual void addBit(uint32 &x, uint32 n) = 0;
-
-protected:
- BitStream() {
- }
-};
-
/**
* A template implementing a bit stream for different data memory layouts.
*
@@ -86,10 +42,10 @@ protected:
* for valueBits, isLE and isMSB2LSB, reads 32bit little-endian values
* from the data stream and hands out the bits in the order of LSB to MSB.
*/
-template<int valueBits, bool isLE, bool isMSB2LSB>
-class BitStreamImpl : public BitStream {
+template<class STREAM, int valueBits, bool isLE, bool isMSB2LSB>
+class BitStreamImpl {
private:
- SeekableReadStream *_stream; ///< The input stream.
+ STREAM *_stream; ///< The input stream.
DisposeAfterUse::Flag _disposeAfterUse; ///< Should we delete the stream on destruction?
uint32 _value; ///< Current value.
@@ -133,7 +89,7 @@ private:
public:
/** Create a bit stream using this input data stream and optionally delete it on destruction. */
- BitStreamImpl(SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse = DisposeAfterUse::NO) :
+ BitStreamImpl(STREAM *stream, DisposeAfterUse::Flag disposeAfterUse = DisposeAfterUse::NO) :
_stream(stream), _disposeAfterUse(disposeAfterUse), _value(0), _inValue(0) {
if ((valueBits != 8) && (valueBits != 16) && (valueBits != 32))
@@ -141,7 +97,7 @@ public:
}
/** Create a bit stream using this input data stream. */
- BitStreamImpl(SeekableReadStream &stream) :
+ BitStreamImpl(STREAM &stream) :
_stream(&stream), _disposeAfterUse(DisposeAfterUse::NO), _value(0), _inValue(0) {
if ((valueBits != 8) && (valueBits != 16) && (valueBits != 32))
@@ -308,27 +264,27 @@ public:
// typedefs for various memory layouts.
/** 8-bit data, MSB to LSB. */
-typedef BitStreamImpl<8, false, true > BitStream8MSB;
+typedef BitStreamImpl<SeekableReadStream, 8, false, true > BitStream8MSB;
/** 8-bit data, LSB to MSB. */
-typedef BitStreamImpl<8, false, false> BitStream8LSB;
+typedef BitStreamImpl<SeekableReadStream, 8, false, false> BitStream8LSB;
/** 16-bit little-endian data, MSB to LSB. */
-typedef BitStreamImpl<16, true , true > BitStream16LEMSB;
+typedef BitStreamImpl<SeekableReadStream, 16, true , true > BitStream16LEMSB;
/** 16-bit little-endian data, LSB to MSB. */
-typedef BitStreamImpl<16, true , false> BitStream16LELSB;
+typedef BitStreamImpl<SeekableReadStream, 16, true , false> BitStream16LELSB;
/** 16-bit big-endian data, MSB to LSB. */
-typedef BitStreamImpl<16, false, true > BitStream16BEMSB;
+typedef BitStreamImpl<SeekableReadStream, 16, false, true > BitStream16BEMSB;
/** 16-bit big-endian data, LSB to MSB. */
-typedef BitStreamImpl<16, false, false> BitStream16BELSB;
+typedef BitStreamImpl<SeekableReadStream, 16, false, false> BitStream16BELSB;
/** 32-bit little-endian data, MSB to LSB. */
-typedef BitStreamImpl<32, true , true > BitStream32LEMSB;
+typedef BitStreamImpl<SeekableReadStream, 32, true , true > BitStream32LEMSB;
/** 32-bit little-endian data, LSB to MSB. */
-typedef BitStreamImpl<32, true , false> BitStream32LELSB;
+typedef BitStreamImpl<SeekableReadStream, 32, true , false> BitStream32LELSB;
/** 32-bit big-endian data, MSB to LSB. */
-typedef BitStreamImpl<32, false, true > BitStream32BEMSB;
+typedef BitStreamImpl<SeekableReadStream, 32, false, true > BitStream32BEMSB;
/** 32-bit big-endian data, LSB to MSB. */
-typedef BitStreamImpl<32, false, false> BitStream32BELSB;
+typedef BitStreamImpl<SeekableReadStream, 32, false, false> BitStream32BELSB;
} // End of namespace Common
diff --git a/common/huffman.cpp b/common/huffman.cpp
index afb4fa00b6..3268ddf251 100644
--- a/common/huffman.cpp
+++ b/common/huffman.cpp
@@ -68,19 +68,4 @@ void Huffman::setSymbols(const uint32 *symbols) {
_symbols[i]->symbol = symbols ? *symbols++ : i;
}
-uint32 Huffman::getSymbol(BitStream &bits) const {
- uint32 code = 0;
-
- for (uint32 i = 0; i < _codes.size(); i++) {
- bits.addBit(code, i);
-
- for (CodeList::const_iterator cCode = _codes[i].begin(); cCode != _codes[i].end(); ++cCode)
- if (code == cCode->code)
- return cCode->symbol;
- }
-
- error("Unknown Huffman code");
- return 0;
-}
-
} // End of namespace Common
diff --git a/common/huffman.h b/common/huffman.h
index 5ba7deca87..f703d078dc 100644
--- a/common/huffman.h
+++ b/common/huffman.h
@@ -31,8 +31,6 @@
namespace Common {
-class BitStream;
-
/**
* Huffman bitstream decoding
*
@@ -56,7 +54,21 @@ public:
void setSymbols(const uint32 *symbols = 0);
/** Return the next symbol in the bitstream. */
- uint32 getSymbol(BitStream &bits) const;
+ template<class BITSTREAM>
+ uint32 getSymbol(BITSTREAM &bits) const {
+ uint32 code = 0;
+
+ for (uint32 i = 0; i < _codes.size(); i++) {
+ bits.addBit(code, i);
+
+ for (CodeList::const_iterator cCode = _codes[i].begin(); cCode != _codes[i].end(); ++cCode)
+ if (code == cCode->code)
+ return cCode->symbol;
+ }
+
+ error("Unknown Huffman code");
+ return 0;
+ }
private:
struct Symbol {
diff --git a/engines/groovie/stuffit.cpp b/engines/groovie/stuffit.cpp
index bbfcd3da82..4543e37a27 100644
--- a/engines/groovie/stuffit.cpp
+++ b/engines/groovie/stuffit.cpp
@@ -71,7 +71,7 @@ private:
// Decompression Helpers
void update14(uint16 first, uint16 last, byte *code, uint16 *freq) const;
- void readTree14(Common::BitStream *bits, SIT14Data *dat, uint16 codesize, uint16 *result) const;
+ void readTree14(Common::BitStream8LSB *bits, SIT14Data *dat, uint16 codesize, uint16 *result) const;
};
StuffItArchive::StuffItArchive() : Common::Archive() {
@@ -302,7 +302,7 @@ struct SIT14Data {
if (b->pos() & 7) \
b->skip(8 - (b->pos() & 7))
-void StuffItArchive::readTree14(Common::BitStream *bits, SIT14Data *dat, uint16 codesize, uint16 *result) const {
+void StuffItArchive::readTree14(Common::BitStream8LSB *bits, SIT14Data *dat, uint16 codesize, uint16 *result) const {
uint32 i, l, n;
uint32 k = bits->getBit();
uint32 j = bits->getBits(2) + 2;
@@ -429,7 +429,7 @@ Common::SeekableReadStream *StuffItArchive::decompress14(Common::SeekableReadStr
byte *dst = (byte *)malloc(uncompressedSize);
Common::MemoryWriteStream out(dst, uncompressedSize);
- Common::BitStream *bits = new Common::BitStream8LSB(src);
+ Common::BitStream8LSB *bits = new Common::BitStream8LSB(src);
uint32 i, j, k, l, m, n;
diff --git a/engines/macventure/container.h b/engines/macventure/container.h
index ba1370d108..bd8cd0995a 100644
--- a/engines/macventure/container.h
+++ b/engines/macventure/container.h
@@ -35,7 +35,6 @@
#include "common/file.h"
#include "common/fs.h"
-#include "common/bitstream.h"
namespace MacVenture {
diff --git a/engines/macventure/image.cpp b/engines/macventure/image.cpp
index 7fccaa81b4..a899341eb9 100644
--- a/engines/macventure/image.cpp
+++ b/engines/macventure/image.cpp
@@ -155,7 +155,7 @@ void ImageAsset::decodePPIC(ObjID id, Common::Array<byte> &data, uint &bitHeight
delete baseStream;
}
-void ImageAsset::decodePPIC0(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
+void ImageAsset::decodePPIC0(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
uint words = bitWidth >> 4;
uint bytes = bitWidth & 0xF;
uint v = 0;
@@ -178,15 +178,15 @@ void ImageAsset::decodePPIC0(Common::BitStream &stream, Common::Array<byte> &dat
}
-void ImageAsset::decodePPIC1(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
+void ImageAsset::decodePPIC1(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
decodeHuffGraphic(PPIC1Huff, stream, data, bitHeight, bitWidth, rowBytes);
}
-void ImageAsset::decodePPIC2(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
+void ImageAsset::decodePPIC2(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
decodeHuffGraphic(PPIC2Huff, stream, data, bitHeight, bitWidth, rowBytes);
}
-void ImageAsset::decodePPIC3(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
+void ImageAsset::decodePPIC3(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
// We need to load the huffman from the PPIC itself
PPICHuff huff;
uint16 v, bits;
@@ -238,7 +238,7 @@ void ImageAsset::decodePPIC3(Common::BitStream &stream, Common::Array<byte> &dat
decodeHuffGraphic(huff, stream, data, bitHeight, bitWidth, rowBytes);
}
-void ImageAsset::decodeHuffGraphic(const PPICHuff &huff, Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
+void ImageAsset::decodeHuffGraphic(const PPICHuff &huff, Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes) {
byte flags = 0;
_walkRepeat = 0;
_walkLast = 0;
@@ -333,7 +333,7 @@ void ImageAsset::decodeHuffGraphic(const PPICHuff &huff, Common::BitStream &stre
}
}
-byte ImageAsset::walkHuff(const PPICHuff &huff, Common::BitStream &stream) {
+byte ImageAsset::walkHuff(const PPICHuff &huff, Common::BitStream32BEMSB &stream) {
if (_walkRepeat) {
_walkRepeat--;
_walkLast = ((_walkLast << 8) & 0xFF00) | (_walkLast >> 8);
diff --git a/engines/macventure/image.h b/engines/macventure/image.h
index 87c5cec2db..9a3a2a10e5 100644
--- a/engines/macventure/image.h
+++ b/engines/macventure/image.h
@@ -33,6 +33,7 @@
#include "macventure/macventure.h"
#include "macventure/container.h"
+#include "common/bitstream.h"
namespace MacVenture {
@@ -76,13 +77,13 @@ public:
private:
void decodePPIC(ObjID id, Common::Array<byte> &data, uint &bitHeight, uint &bitWidth, uint &rowBytes);
- void decodePPIC0(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
- void decodePPIC1(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
- void decodePPIC2(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
- void decodePPIC3(Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
+ void decodePPIC0(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
+ void decodePPIC1(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
+ void decodePPIC2(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
+ void decodePPIC3(Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
- void decodeHuffGraphic(const PPICHuff &huff, Common::BitStream &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
- byte walkHuff(const PPICHuff &huff, Common::BitStream &stream);
+ void decodeHuffGraphic(const PPICHuff &huff, Common::BitStream32BEMSB &stream, Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
+ byte walkHuff(const PPICHuff &huff, Common::BitStream32BEMSB &stream);
void blitDirect(Graphics::ManagedSurface *target, int ox, int oy, const Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
void blitBIC(Graphics::ManagedSurface *target, int ox, int oy, const Common::Array<byte> &data, uint bitHeight, uint bitWidth, uint rowBytes);
diff --git a/image/codecs/svq1.cpp b/image/codecs/svq1.cpp
index 765d512797..2d86070801 100644
--- a/image/codecs/svq1.cpp
+++ b/image/codecs/svq1.cpp
@@ -282,7 +282,7 @@ const Graphics::Surface *SVQ1Decoder::decodeFrame(Common::SeekableReadStream &st
return _surface;
}
-bool SVQ1Decoder::svq1DecodeBlockIntra(Common::BitStream *s, byte *pixels, int pitch) {
+bool SVQ1Decoder::svq1DecodeBlockIntra(Common::BitStream32BEMSB *s, byte *pixels, int pitch) {
// initialize list for breadth first processing of vectors
byte *list[63];
list[0] = pixels;
@@ -383,7 +383,7 @@ bool SVQ1Decoder::svq1DecodeBlockIntra(Common::BitStream *s, byte *pixels, int p
return true;
}
-bool SVQ1Decoder::svq1DecodeBlockNonIntra(Common::BitStream *s, byte *pixels, int pitch) {
+bool SVQ1Decoder::svq1DecodeBlockNonIntra(Common::BitStream32BEMSB *s, byte *pixels, int pitch) {
// initialize list for breadth first processing of vectors
byte *list[63];
list[0] = pixels;
@@ -497,7 +497,7 @@ static inline int midPred(int a, int b, int c) {
return b;
}
-bool SVQ1Decoder::svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Common::Point **pmv) {
+bool SVQ1Decoder::svq1DecodeMotionVector(Common::BitStream32BEMSB *s, Common::Point *mv, Common::Point **pmv) {
for (int i = 0; i < 2; i++) {
// get motion code
int diff = _motionComponent->getSymbol(*s);
@@ -611,7 +611,7 @@ void SVQ1Decoder::putPixels16XY2C(byte *block, const byte *pixels, int lineSize,
putPixels8XY2C(block + 8, pixels + 8, lineSize, h);
}
-bool SVQ1Decoder::svq1MotionInterBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+bool SVQ1Decoder::svq1MotionInterBlock(Common::BitStream32BEMSB *ss, byte *current, byte *previous, int pitch,
Common::Point *motion, int x, int y) {
// predict and decode motion vector
@@ -662,7 +662,7 @@ bool SVQ1Decoder::svq1MotionInterBlock(Common::BitStream *ss, byte *current, byt
return true;
}
-bool SVQ1Decoder::svq1MotionInter4vBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+bool SVQ1Decoder::svq1MotionInter4vBlock(Common::BitStream32BEMSB *ss, byte *current, byte *previous, int pitch,
Common::Point *motion, int x, int y) {
// predict and decode motion vector (0)
Common::Point *pmv[4];
@@ -749,7 +749,7 @@ bool SVQ1Decoder::svq1MotionInter4vBlock(Common::BitStream *ss, byte *current, b
return true;
}
-bool SVQ1Decoder::svq1DecodeDeltaBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+bool SVQ1Decoder::svq1DecodeDeltaBlock(Common::BitStream32BEMSB *ss, byte *current, byte *previous, int pitch,
Common::Point *motion, int x, int y) {
// get block type
uint32 blockType = _blockType->getSymbol(*ss);
diff --git a/image/codecs/svq1.h b/image/codecs/svq1.h
index 236b810294..148501d17f 100644
--- a/image/codecs/svq1.h
+++ b/image/codecs/svq1.h
@@ -23,10 +23,10 @@
#ifndef IMAGE_CODECS_SVQ1_H
#define IMAGE_CODECS_SVQ1_H
+#include "common/bitstream.h"
#include "image/codecs/codec.h"
namespace Common {
-class BitStream;
class Huffman;
struct Point;
}
@@ -60,15 +60,15 @@ private:
Common::Huffman *_interMean;
Common::Huffman *_motionComponent;
- bool svq1DecodeBlockIntra(Common::BitStream *s, byte *pixels, int pitch);
- bool svq1DecodeBlockNonIntra(Common::BitStream *s, byte *pixels, int pitch);
- bool svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Common::Point **pmv);
+ bool svq1DecodeBlockIntra(Common::BitStream32BEMSB *s, byte *pixels, int pitch);
+ bool svq1DecodeBlockNonIntra(Common::BitStream32BEMSB *s, byte *pixels, int pitch);
+ bool svq1DecodeMotionVector(Common::BitStream32BEMSB *s, Common::Point *mv, Common::Point **pmv);
void svq1SkipBlock(byte *current, byte *previous, int pitch, int x, int y);
- bool svq1MotionInterBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+ bool svq1MotionInterBlock(Common::BitStream32BEMSB *ss, byte *current, byte *previous, int pitch,
Common::Point *motion, int x, int y);
- bool svq1MotionInter4vBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+ bool svq1MotionInter4vBlock(Common::BitStream32BEMSB *ss, byte *current, byte *previous, int pitch,
Common::Point *motion, int x, int y);
- bool svq1DecodeDeltaBlock(Common::BitStream *ss, byte *current, byte *previous, int pitch,
+ bool svq1DecodeDeltaBlock(Common::BitStream32BEMSB *ss, byte *current, byte *previous, int pitch,
Common::Point *motion, int x, int y);
void putPixels8C(byte *block, const byte *pixels, int lineSize, int h);
diff --git a/video/bink_decoder.h b/video/bink_decoder.h
index 6f18dd539c..8a67913a03 100644
--- a/video/bink_decoder.h
+++ b/video/bink_decoder.h
@@ -32,6 +32,7 @@
#define VIDEO_BINK_DECODER_H
#include "common/array.h"
+#include "common/bitstream.h"
#include "common/rational.h"
#include "video/video_decoder.h"
@@ -45,7 +46,6 @@ class QueuingAudioStream;
namespace Common {
class SeekableReadStream;
-class BitStream;
class Huffman;
class RDFT;
@@ -100,7 +100,7 @@ private:
uint32 sampleCount;
- Common::BitStream *bits;
+ Common::BitStream32LELSB *bits;
bool first;
@@ -133,7 +133,7 @@ private:
uint32 offset;
uint32 size;
- Common::BitStream *bits;
+ Common::BitStream32LELSB *bits;
VideoFrame();
~VideoFrame();
diff --git a/video/psx_decoder.cpp b/video/psx_decoder.cpp
index 426f5eb608..973803e69f 100644
--- a/video/psx_decoder.cpp
+++ b/video/psx_decoder.cpp
@@ -499,7 +499,7 @@ void PSXStreamDecoder::PSXVideoTrack::decodeFrame(Common::SeekableReadStream *fr
_nextFrameStartTime = _nextFrameStartTime.addFrames(sectorCount);
}
-void PSXStreamDecoder::PSXVideoTrack::decodeMacroBlock(Common::BitStream *bits, int mbX, int mbY, uint16 scale, uint16 version) {
+void PSXStreamDecoder::PSXVideoTrack::decodeMacroBlock(Common::BitStream16LEMSB *bits, int mbX, int mbY, uint16 scale, uint16 version) {
int pitchY = _macroBlocksW * 16;
int pitchC = _macroBlocksW * 8;
@@ -546,7 +546,7 @@ void PSXStreamDecoder::PSXVideoTrack::dequantizeBlock(int *coefficients, float *
}
}
-int PSXStreamDecoder::PSXVideoTrack::readDC(Common::BitStream *bits, uint16 version, PlaneType plane) {
+int PSXStreamDecoder::PSXVideoTrack::readDC(Common::BitStream16LEMSB *bits, uint16 version, PlaneType plane) {
// Version 2 just has its coefficient as 10-bits
if (version == 2)
return readSignedCoefficient(bits);
@@ -576,7 +576,7 @@ int PSXStreamDecoder::PSXVideoTrack::readDC(Common::BitStream *bits, uint16 vers
if (count > 63) \
error("PSXStreamDecoder::readAC(): Too many coefficients")
-void PSXStreamDecoder::PSXVideoTrack::readAC(Common::BitStream *bits, int *block) {
+void PSXStreamDecoder::PSXVideoTrack::readAC(Common::BitStream16LEMSB *bits, int *block) {
// Clear the block first
for (int i = 0; i < 63; i++)
block[i] = 0;
@@ -611,7 +611,7 @@ void PSXStreamDecoder::PSXVideoTrack::readAC(Common::BitStream *bits, int *block
}
}
-int PSXStreamDecoder::PSXVideoTrack::readSignedCoefficient(Common::BitStream *bits) {
+int PSXStreamDecoder::PSXVideoTrack::readSignedCoefficient(Common::BitStream16LEMSB *bits) {
uint val = bits->getBits(10);
// extend the sign
@@ -672,7 +672,7 @@ void PSXStreamDecoder::PSXVideoTrack::idct(float *dequantData, float *result) {
}
}
-void PSXStreamDecoder::PSXVideoTrack::decodeBlock(Common::BitStream *bits, byte *block, int pitch, uint16 scale, uint16 version, PlaneType plane) {
+void PSXStreamDecoder::PSXVideoTrack::decodeBlock(Common::BitStream16LEMSB *bits, byte *block, int pitch, uint16 scale, uint16 version, PlaneType plane) {
// Version 2 just has signed 10 bits for DC
// Version 3 has them huffman coded
int coefficients[8 * 8];
diff --git a/video/psx_decoder.h b/video/psx_decoder.h
index b19bd72fa0..fa36af1bb3 100644
--- a/video/psx_decoder.h
+++ b/video/psx_decoder.h
@@ -23,6 +23,7 @@
#ifndef VIDEO_PSX_DECODER_H
#define VIDEO_PSX_DECODER_H
+#include "common/bitstream.h"
#include "common/endian.h"
#include "common/rational.h"
#include "common/rect.h"
@@ -35,7 +36,6 @@ class QueuingAudioStream;
}
namespace Common {
-class BitStream;
class Huffman;
class SeekableReadStream;
}
@@ -108,19 +108,19 @@ private:
uint16 _macroBlocksW, _macroBlocksH;
byte *_yBuffer, *_cbBuffer, *_crBuffer;
- void decodeMacroBlock(Common::BitStream *bits, int mbX, int mbY, uint16 scale, uint16 version);
- void decodeBlock(Common::BitStream *bits, byte *block, int pitch, uint16 scale, uint16 version, PlaneType plane);
+ void decodeMacroBlock(Common::BitStream16LEMSB *bits, int mbX, int mbY, uint16 scale, uint16 version);
+ void decodeBlock(Common::BitStream16LEMSB *bits, byte *block, int pitch, uint16 scale, uint16 version, PlaneType plane);
- void readAC(Common::BitStream *bits, int *block);
+ void readAC(Common::BitStream16LEMSB *bits, int *block);
Common::Huffman *_acHuffman;
- int readDC(Common::BitStream *bits, uint16 version, PlaneType plane);
+ int readDC(Common::BitStream16LEMSB *bits, uint16 version, PlaneType plane);
Common::Huffman *_dcHuffmanLuma, *_dcHuffmanChroma;
int _lastDC[3];
void dequantizeBlock(int *coefficients, float *block, uint16 scale);
void idct(float *dequantData, float *result);
- int readSignedCoefficient(Common::BitStream *bits);
+ int readSignedCoefficient(Common::BitStream16LEMSB *bits);
};
class PSXAudioTrack : public AudioTrack {
diff --git a/video/smk_decoder.cpp b/video/smk_decoder.cpp
index d913707119..d8057ac068 100644
--- a/video/smk_decoder.cpp
+++ b/video/smk_decoder.cpp
@@ -54,9 +54,9 @@ enum SmkBlockTypes {
class SmallHuffmanTree {
public:
- SmallHuffmanTree(Common::BitStream &bs);
+ SmallHuffmanTree(Common::BitStream8LSB &bs);
- uint16 getCode(Common::BitStream &bs);
+ uint16 getCode(Common::BitStream8LSB &bs);
private:
enum {
SMK_NODE = 0x8000
@@ -70,10 +70,10 @@ private:
uint16 _prefixtree[256];
byte _prefixlength[256];
- Common::BitStream &_bs;
+ Common::BitStream8LSB &_bs;
};
-SmallHuffmanTree::SmallHuffmanTree(Common::BitStream &bs)
+SmallHuffmanTree::SmallHuffmanTree(Common::BitStream8LSB &bs)
: _treeSize(0), _bs(bs) {
uint32 bit = _bs.getBit();
assert(bit);
@@ -118,7 +118,7 @@ uint16 SmallHuffmanTree::decodeTree(uint32 prefix, int length) {
return r1+r2+1;
}
-uint16 SmallHuffmanTree::getCode(Common::BitStream &bs) {
+uint16 SmallHuffmanTree::getCode(Common::BitStream8LSB &bs) {
byte peek = bs.peekBits(MIN<uint32>(bs.size() - bs.pos(), 8));
uint16 *p = &_tree[_prefixtree[peek]];
bs.skip(_prefixlength[peek]);
@@ -139,11 +139,11 @@ uint16 SmallHuffmanTree::getCode(Common::BitStream &bs) {
class BigHuffmanTree {
public:
- BigHuffmanTree(Common::BitStream &bs, int allocSize);
+ BigHuffmanTree(Common::BitStream8LSB &bs, int allocSize);
~BigHuffmanTree();
void reset();
- uint32 getCode(Common::BitStream &bs);
+ uint32 getCode(Common::BitStream8LSB &bs);
private:
enum {
SMK_NODE = 0x80000000
@@ -159,13 +159,13 @@ private:
byte _prefixlength[256];
/* Used during construction */
- Common::BitStream &_bs;
+ Common::BitStream8LSB &_bs;
uint32 _markers[3];
SmallHuffmanTree *_loBytes;
SmallHuffmanTree *_hiBytes;
};
-BigHuffmanTree::BigHuffmanTree(Common::BitStream &bs, int allocSize)
+BigHuffmanTree::BigHuffmanTree(Common::BitStream8LSB &bs, int allocSize)
: _bs(bs) {
uint32 bit = _bs.getBit();
if (!bit) {
@@ -256,7 +256,7 @@ uint32 BigHuffmanTree::decodeTree(uint32 prefix, int length) {
return r1+r2+1;
}
-uint32 BigHuffmanTree::getCode(Common::BitStream &bs) {
+uint32 BigHuffmanTree::getCode(Common::BitStream8LSB &bs) {
byte peek = bs.peekBits(MIN<uint32>(bs.size() - bs.pos(), 8));
uint32 *p = &_tree[_prefixtree[peek]];
bs.skip(_prefixlength[peek]);
@@ -553,14 +553,14 @@ Graphics::PixelFormat SmackerDecoder::SmackerVideoTrack::getPixelFormat() const
return _surface->format;
}
-void SmackerDecoder::SmackerVideoTrack::readTrees(Common::BitStream &bs, uint32 mMapSize, uint32 mClrSize, uint32 fullSize, uint32 typeSize) {
+void SmackerDecoder::SmackerVideoTrack::readTrees(Common::BitStream8LSB &bs, uint32 mMapSize, uint32 mClrSize, uint32 fullSize, uint32 typeSize) {
_MMapTree = new BigHuffmanTree(bs, mMapSize);
_MClrTree = new BigHuffmanTree(bs, mClrSize);
_FullTree = new BigHuffmanTree(bs, fullSize);
_TypeTree = new BigHuffmanTree(bs, typeSize);
}
-void SmackerDecoder::SmackerVideoTrack::decodeFrame(Common::BitStream &bs) {
+void SmackerDecoder::SmackerVideoTrack::decodeFrame(Common::BitStream8LSB &bs) {
_MMapTree->reset();
_MClrTree->reset();
_FullTree->reset();
diff --git a/video/smk_decoder.h b/video/smk_decoder.h
index bc04a683d2..e0ea600f6d 100644
--- a/video/smk_decoder.h
+++ b/video/smk_decoder.h
@@ -23,6 +23,7 @@
#ifndef VIDEO_SMK_PLAYER_H
#define VIDEO_SMK_PLAYER_H
+#include "common/bitstream.h"
#include "common/rational.h"
#include "graphics/pixelformat.h"
#include "graphics/surface.h"
@@ -34,7 +35,6 @@ class QueuingAudioStream;
}
namespace Common {
-class BitStream;
class SeekableReadStream;
}
@@ -91,9 +91,9 @@ protected:
const byte *getPalette() const { _dirtyPalette = false; return _palette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
- void readTrees(Common::BitStream &bs, uint32 mMapSize, uint32 mClrSize, uint32 fullSize, uint32 typeSize);
+ void readTrees(Common::BitStream8LSB &bs, uint32 mMapSize, uint32 mClrSize, uint32 fullSize, uint32 typeSize);
void increaseCurFrame() { _curFrame++; }
- void decodeFrame(Common::BitStream &bs);
+ void decodeFrame(Common::BitStream8LSB &bs);
void unpackPalette(Common::SeekableReadStream *stream);
protected:
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 08:46:56 +0000