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authorroot <root@lamia.panaceas.james.local>2015-12-19 14:18:43 +0000
committerroot <root@lamia.panaceas.james.local>2015-12-19 14:18:43 +0000
commit71478fd62d8483483abb34609cdabb7f9cbadfd6 (patch)
tree37b8eaba1ffe2d5f775227911eb0ed6fdc3c9553 /hostTools/lzma/decompress/LZMADecoder.c
parent1a2238d1bddc823df06f67312d96ccf9de2893cc (diff)
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Add hostTools from https://github.com/Noltari/cfe_bcm63xx
Diffstat (limited to 'hostTools/lzma/decompress/LZMADecoder.c')
-rw-r--r--hostTools/lzma/decompress/LZMADecoder.c398
1 files changed, 398 insertions, 0 deletions
diff --git a/hostTools/lzma/decompress/LZMADecoder.c b/hostTools/lzma/decompress/LZMADecoder.c
new file mode 100644
index 0000000..fe6d86d
--- /dev/null
+++ b/hostTools/lzma/decompress/LZMADecoder.c
@@ -0,0 +1,398 @@
+#include "Portable.h"
+#ifdef _HOST_TOOL
+#include "stdio.h"
+#endif
+#include "LZMADecoder.h"
+
+
+//#define RETURN_E_OUTOFMEMORY_IF_FALSE(x) { if (!(x)) return E_OUTOFMEMORY; }
+
+
+static UINT32 kDistStart[kDistTableSizeMax];
+struct WindowOut out_window;
+
+/*
+ * BRCM modification: free all the allocated buffer by malloc
+ *
+ */
+static void LzmaDecoderFreeBuffer(LzmaDecoder *lzmaDecoder)
+{
+ int i,aPosState;
+
+ //printf("free lzmaDecoder->m_LiteralDecoder\n");
+ free((&lzmaDecoder->m_LiteralDecoder)->m_Coders);
+
+ for (i = 0; i < kNumLenToPosStates; i++) {
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free((&lzmaDecoder->m_PosSlotDecoder[i])->m_Models);
+ }
+ // from LenDecoderInit(&lzmaDecoder->m_LenDecoder;
+ for (aPosState = 0; aPosState < (&lzmaDecoder->m_LenDecoder)->m_NumPosStates; aPosState++) {
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free( (&(&lzmaDecoder->m_LenDecoder)->m_LowCoder[aPosState])->m_Models );
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free( (&(&lzmaDecoder->m_LenDecoder)->m_MidCoder[aPosState])->m_Models );
+ }
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free( (&(&lzmaDecoder->m_LenDecoder)->m_HighCoder)->m_Models );
+
+
+ // from LenDecoderInit(&lzmaDecoder->m_RepMatchLenDecoder);
+ for (aPosState = 0; aPosState < (&lzmaDecoder->m_RepMatchLenDecoder)->m_NumPosStates; aPosState++) {
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free( (&(&lzmaDecoder->m_RepMatchLenDecoder)->m_LowCoder[aPosState])->m_Models );
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free( (&(&lzmaDecoder->m_RepMatchLenDecoder)->m_MidCoder[aPosState])->m_Models );
+ }
+ //printf("free lzmaDecoder->m_PosSlotDecoder\n");
+ free( (&(&lzmaDecoder->m_RepMatchLenDecoder)->m_HighCoder)->m_Models );
+
+
+ //printf("free lzmaDecoder->m_PosAlignDecoder\n");
+ free((&lzmaDecoder->m_PosAlignDecoder)->m_Models);
+
+ for(i = 0; i < kNumPosModels; i++) {
+ //printf("free lzmaDecoder->m_PosDecoders\n");
+ free((&lzmaDecoder->m_PosDecoders[i])->m_Models);
+ }
+
+}
+
+HRESULT LzmaDecoderSetDictionarySize(
+ LzmaDecoder *lzmaDecoder,
+ UINT32 aDictionarySize)
+{
+ if (aDictionarySize > (1 << kDicLogSizeMax))
+ return E_INVALIDARG;
+
+// UINT32 aWindowReservSize = MyMax(aDictionarySize, UINT32(1 << 21));
+
+ if (lzmaDecoder->m_DictionarySize != aDictionarySize)
+ {
+ lzmaDecoder->m_DictionarySize = aDictionarySize;
+ }
+ return S_OK;
+}
+
+HRESULT LzmaDecoderSetLiteralProperties(
+ LzmaDecoder *lzmaDecoder,
+ UINT32 aLiteralPosStateBits,
+ UINT32 aLiteralContextBits)
+{
+ if (aLiteralPosStateBits > 8)
+ return E_INVALIDARG;
+ if (aLiteralContextBits > 8)
+ return E_INVALIDARG;
+ LitDecoderCreate(&lzmaDecoder->m_LiteralDecoder, aLiteralPosStateBits, aLiteralContextBits);
+ return S_OK;
+}
+
+HRESULT LzmaDecoderSetPosBitsProperties(
+ LzmaDecoder *lzmaDecoder,
+ UINT32 aNumPosStateBits)
+{
+ UINT32 aNumPosStates;
+ if (aNumPosStateBits > (UINT32) kNumPosStatesBitsMax)
+ return E_INVALIDARG;
+ aNumPosStates = 1 << aNumPosStateBits;
+ LenDecoderCreate(&lzmaDecoder->m_LenDecoder, aNumPosStates);
+ LenDecoderCreate(&lzmaDecoder->m_RepMatchLenDecoder, aNumPosStates);
+ lzmaDecoder->m_PosStateMask = aNumPosStates - 1;
+ return S_OK;
+}
+
+
+void LzmaDecoderConstructor(LzmaDecoder *lzmaDecoder)
+{
+ lzmaDecoder->m_DictionarySize = ((UINT32)-1);
+ LzmaDecoderCreate(lzmaDecoder);
+}
+
+HRESULT LzmaDecoderCreate(LzmaDecoder *lzmaDecoder)
+{
+ int i;
+ for(i = 0; i < kNumPosModels; i++)
+ {
+ if (!(ReverseBitTreeDecoder2Create(&lzmaDecoder->m_PosDecoders[i],kDistDirectBits[kStartPosModelIndex + i])))
+ return E_OUTOFMEMORY;;
+ }
+ return S_OK;
+}
+
+
+HRESULT LzmaDecoderInit(LzmaDecoder *lzmaDecoder)
+{
+ int i;
+ UINT32 j;
+
+ RangeDecoderInit(&in_stream, &lzmaDecoder->m_RangeDecoder);
+
+ OutWindowInit();
+
+ for(i = 0; i < kNumStates; i++)
+ {
+ for (j = 0; j <= lzmaDecoder->m_PosStateMask; j++)
+ {
+ BitDecoderInit(&lzmaDecoder->m_MainChoiceDecoders[i][j]);
+ BitDecoderInit(&lzmaDecoder->m_MatchRepShortChoiceDecoders[i][j]);
+ }
+ BitDecoderInit(&lzmaDecoder->m_MatchChoiceDecoders[i]);
+ BitDecoderInit(&lzmaDecoder->m_MatchRepChoiceDecoders[i]);
+ BitDecoderInit(&lzmaDecoder->m_MatchRep1ChoiceDecoders[i]);
+ BitDecoderInit(&lzmaDecoder->m_MatchRep2ChoiceDecoders[i]);
+ }
+
+ LitDecoderInit(&lzmaDecoder->m_LiteralDecoder);
+
+ for (i = 0; i < (int) kNumLenToPosStates; i++)
+ BitTreeDecoderInit(&lzmaDecoder->m_PosSlotDecoder[i],kNumPosSlotBits);
+
+ for(i = 0; i < kNumPosModels; i++)
+ ReverseBitTreeDecoder2Init(&lzmaDecoder->m_PosDecoders[i]);
+
+ LenDecoderInit(&lzmaDecoder->m_LenDecoder);
+ LenDecoderInit(&lzmaDecoder->m_RepMatchLenDecoder);
+
+ ReverseBitTreeDecoderInit(&lzmaDecoder->m_PosAlignDecoder, kNumAlignBits);
+ return S_OK;
+
+}
+
+HRESULT LzmaDecoderCodeReal(
+ LzmaDecoder *lzmaDecoder,
+ UINT64 *anInSize,
+ UINT64 *anOutSize)
+{
+ BOOL aPeviousIsMatch = FALSE;
+ BYTE aPreviousByte = 0;
+ UINT32 aRepDistances[kNumRepDistances];
+ int i;
+ UINT64 aNowPos64 = 0;
+ UINT64 aSize = *anOutSize;
+ ISequentialInStream my_in_stream;
+// WindowOut out_window;
+ CState aState;
+
+ CStateInit(&aState);
+
+ if (anOutSize == NULL)
+ {
+ printf("CodeReal: invalid argument %x\n", (UINT32) anOutSize );
+ return E_INVALIDARG;
+ }
+
+
+ LzmaDecoderInit(lzmaDecoder);
+
+ my_in_stream.data = in_stream.data;
+ my_in_stream.remainingBytes = in_stream.remainingBytes;
+
+ for(i = 0 ; i < (int) kNumRepDistances; i++)
+ aRepDistances[i] = 0;
+
+ //while(aNowPos64 < aSize)
+ while(my_in_stream.remainingBytes > 0)
+ {
+ UINT64 aNext = MyMin(aNowPos64 + (1 << 18), aSize);
+ while(aNowPos64 < aNext)
+ {
+ UINT32 aPosState = (UINT32)(aNowPos64) & lzmaDecoder->m_PosStateMask;
+ if (BitDecode(&my_in_stream,
+ &lzmaDecoder->m_MainChoiceDecoders[aState][aPosState],
+ &lzmaDecoder->m_RangeDecoder) == (UINT32) kMainChoiceLiteralIndex)
+ {
+ CStateUpdateChar(&aState);
+ if(aPeviousIsMatch)
+ {
+ BYTE aMatchByte = OutWindowGetOneByte(0 - aRepDistances[0] - 1);
+ aPreviousByte = LitDecodeWithMatchByte(&my_in_stream,
+ &lzmaDecoder->m_LiteralDecoder,
+ &lzmaDecoder->m_RangeDecoder,
+ (UINT32)(aNowPos64),
+ aPreviousByte,
+ aMatchByte);
+ aPeviousIsMatch = FALSE;
+ }
+ else
+ aPreviousByte = LitDecodeNormal(&my_in_stream,
+ &lzmaDecoder->m_LiteralDecoder,
+ &lzmaDecoder->m_RangeDecoder,
+ (UINT32)(aNowPos64),
+ aPreviousByte);
+ OutWindowPutOneByte(aPreviousByte);
+ aNowPos64++;
+ }
+ else
+ {
+ UINT32 aDistance, aLen;
+ aPeviousIsMatch = TRUE;
+ if(BitDecode(&my_in_stream,
+ &lzmaDecoder->m_MatchChoiceDecoders[aState],
+ &lzmaDecoder->m_RangeDecoder) == (UINT32) kMatchChoiceRepetitionIndex)
+ {
+ if(BitDecode(&my_in_stream,
+ &lzmaDecoder->m_MatchRepChoiceDecoders[aState],
+ &lzmaDecoder->m_RangeDecoder) == 0)
+ {
+ if(BitDecode(&my_in_stream,
+ &lzmaDecoder->m_MatchRepShortChoiceDecoders[aState][aPosState],
+ &lzmaDecoder->m_RangeDecoder) == 0)
+ {
+ CStateUpdateShortRep(&aState);
+ aPreviousByte = OutWindowGetOneByte(0 - aRepDistances[0] - 1);
+ OutWindowPutOneByte(aPreviousByte);
+ aNowPos64++;
+ continue;
+ }
+ aDistance = aRepDistances[0];
+ }
+ else
+ {
+ if(BitDecode(&my_in_stream,
+ &lzmaDecoder->m_MatchRep1ChoiceDecoders[aState],
+ &lzmaDecoder->m_RangeDecoder) == 0)
+ {
+ aDistance = aRepDistances[1];
+ aRepDistances[1] = aRepDistances[0];
+ }
+ else
+ {
+ if (BitDecode(&my_in_stream,
+ &lzmaDecoder->m_MatchRep2ChoiceDecoders[aState],
+ &lzmaDecoder->m_RangeDecoder) == 0)
+ {
+ aDistance = aRepDistances[2];
+ }
+ else
+ {
+ aDistance = aRepDistances[3];
+ aRepDistances[3] = aRepDistances[2];
+ }
+ aRepDistances[2] = aRepDistances[1];
+ aRepDistances[1] = aRepDistances[0];
+ }
+ aRepDistances[0] = aDistance;
+ }
+ aLen = LenDecode(&my_in_stream,
+ &lzmaDecoder->m_RepMatchLenDecoder,
+ &lzmaDecoder->m_RangeDecoder,
+ aPosState) + kMatchMinLen;
+ CStateUpdateRep(&aState);
+ }
+ else
+ {
+ UINT32 aPosSlot;
+ aLen = kMatchMinLen + LenDecode(&my_in_stream,
+ &lzmaDecoder->m_LenDecoder,
+ &lzmaDecoder->m_RangeDecoder,
+ aPosState);
+ CStateUpdateMatch(&aState);
+ aPosSlot = BitTreeDecode(&my_in_stream,
+ &lzmaDecoder->m_PosSlotDecoder[GetLenToPosState(aLen)],
+ &lzmaDecoder->m_RangeDecoder);
+ if (aPosSlot >= (UINT32) kStartPosModelIndex)
+ {
+ aDistance = kDistStart[aPosSlot];
+ if (aPosSlot < (UINT32) kEndPosModelIndex)
+ aDistance += ReverseBitTreeDecoder2Decode(&my_in_stream,
+ &lzmaDecoder->m_PosDecoders[aPosSlot - kStartPosModelIndex],
+ &lzmaDecoder->m_RangeDecoder);
+ else
+ {
+ aDistance += (RangeDecodeDirectBits(&my_in_stream,
+ &lzmaDecoder->m_RangeDecoder,
+ kDistDirectBits[aPosSlot] - kNumAlignBits) << kNumAlignBits);
+ aDistance += ReverseBitTreeDecoderDecode(&my_in_stream,
+ &lzmaDecoder->m_PosAlignDecoder,
+ &lzmaDecoder->m_RangeDecoder);
+ }
+ }
+ else
+ aDistance = aPosSlot;
+
+
+ aRepDistances[3] = aRepDistances[2];
+ aRepDistances[2] = aRepDistances[1];
+ aRepDistances[1] = aRepDistances[0];
+
+ aRepDistances[0] = aDistance;
+ }
+ if (aDistance >= aNowPos64)
+ {
+ printf("CodeReal: invalid data\n" );
+ return E_INVALIDDATA;
+ }
+ OutWindowCopyBackBlock(aDistance, aLen);
+ aNowPos64 += aLen;
+ aPreviousByte = OutWindowGetOneByte(0 - 1);
+ }
+ }
+ }
+
+ //BRCM modification
+ LzmaDecoderFreeBuffer(lzmaDecoder);
+
+ OutWindowFlush();
+ return S_OK;
+}
+
+HRESULT LzmaDecoderCode(
+ LzmaDecoder *lzmaDecoder,
+ UINT64 *anInSize,
+ UINT64 *anOutSize)
+{
+
+ UINT32 aStartValue = 0;
+ int i;
+
+ for (i = 0; i < kDistTableSizeMax; i++)
+ {
+ kDistStart[i] = aStartValue;
+ aStartValue += (1 << kDistDirectBits[i]);
+ }
+ return LzmaDecoderCodeReal(
+ lzmaDecoder,
+ anInSize,
+ anOutSize);
+}
+
+HRESULT LzmaDecoderReadCoderProperties(LzmaDecoder *lzmaDecoder)
+{
+ UINT32 aNumPosStateBits;
+ UINT32 aLiteralPosStateBits;
+ UINT32 aLiteralContextBits;
+ UINT32 aDictionarySize;
+ BYTE aRemainder;
+ UINT32 aProcessesedSize;
+
+ BYTE aByte;
+ RETURN_IF_NOT_S_OK(InStreamRead(&aByte,
+ sizeof(aByte),
+ &aProcessesedSize));
+
+ if (aProcessesedSize != sizeof(aByte))
+ return E_INVALIDARG;
+
+ aLiteralContextBits = aByte % 9;
+ aRemainder = aByte / 9;
+ aLiteralPosStateBits = aRemainder % 5;
+ aNumPosStateBits = aRemainder / 5;
+
+ RETURN_IF_NOT_S_OK(InStreamRead(&aDictionarySize,
+ sizeof(aDictionarySize),
+ &aProcessesedSize));
+
+ if (aProcessesedSize != sizeof(aDictionarySize))
+ return E_INVALIDARG;
+
+ RETURN_IF_NOT_S_OK( LzmaDecoderSetDictionarySize(lzmaDecoder,
+ aDictionarySize) );
+ RETURN_IF_NOT_S_OK( LzmaDecoderSetLiteralProperties(lzmaDecoder,
+ aLiteralPosStateBits,
+ aLiteralContextBits) );
+ RETURN_IF_NOT_S_OK( LzmaDecoderSetPosBitsProperties(lzmaDecoder,
+ aNumPosStateBits) );
+
+ return S_OK;
+}
+