ham-ref/satdump
1
0
Fork 0
mirror of https://github.com/SatDump/SatDump synced 2026-08-13 17:47:30 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions
satdump/src-core/libs/bpe/header.c
Aang23 2fa767c0e1 Proba-V Stuff, ESCAPADE and bugfix
2026-05-22 17:54:17 +02:00

296 lines
15 KiB
C
Raw Permalink Blame History

#include <string.h>
#include <stdlib.h>
#include "bpe_internal.h"
void HeaderInilization(StructCodingPara *Ptr)
{
Ptr->PtrHeader = (HeaderStruct *)calloc(1, sizeof(HeaderStruct));
Ptr->PtrHeader->Header.Part1.StartImgFlag = TRUE;
Ptr->PtrHeader->Header.Part1.EngImgFlg = FALSE;
Ptr->PtrHeader->Header.Part1.SegmentCount_8Bits = 0;
Ptr->PtrHeader->Header.Part1.BitDepthAC_5Bits = 0;
Ptr->PtrHeader->Header.Part1.BitDepthDC_5Bits = 0;
Ptr->PtrHeader->Header.Part1.Part2Flag = TRUE;
Ptr->PtrHeader->Header.Part1.Part3Flag = TRUE;
Ptr->PtrHeader->Header.Part1.Part4Flag = TRUE;
Ptr->PtrHeader->Header.Part1.PadRows_3Bits = 0;
Ptr->PtrHeader->Header.Part1.Reserved_5Bits = 0;
Ptr->PtrHeader->Header.Part2.SegByteLimit_27Bits = 0;
Ptr->PtrHeader->Header.Part2.DCstop = FALSE;
Ptr->PtrHeader->Header.Part2.BitPlaneStop_5Bits = 0;
Ptr->PtrHeader->Header.Part2.StageStop_2Bits = 3;
Ptr->PtrHeader->Header.Part2.UseFill = FALSE;
Ptr->PtrHeader->Header.Part2.Reserved_4Bits = 0;
Ptr->PtrHeader->Header.Part3.S_20Bits = 256;
Ptr->PtrHeader->Header.Part3.OptDCSelect = TRUE;
Ptr->PtrHeader->Header.Part3.OptACSelect = TRUE;
Ptr->PtrHeader->Header.Part3.Reserved_2Bits = 0;
Ptr->PtrHeader->Header.Part4.DWTType = INTEGER_WAVELET;
Ptr->PtrHeader->Header.Part4.Reserved_2Bits = 0;
Ptr->PtrHeader->Header.Part4.SignedPixels = FALSE;
Ptr->PtrHeader->Header.Part4.PixelBitDepth_4Bits = 8;
Ptr->PtrHeader->Header.Part4.ImageWidth_20Bits = 2048;
Ptr->PtrHeader->Header.Part4.TransposeImg = NOTRANSPOSE;
Ptr->PtrHeader->Header.Part4.CodewordLength_2Bits = 0;
Ptr->PtrHeader->Header.Part4.Reserved = 0;
Ptr->PtrHeader->Header.Part4.CustomWtFlag = FALSE;
Ptr->PtrHeader->Header.Part4.CustomWtHH1_2bits = 0;
Ptr->PtrHeader->Header.Part4.CustomWtHL1_2bits = 1;
Ptr->PtrHeader->Header.Part4.CustomWtLH1_2bits = 1;
Ptr->PtrHeader->Header.Part4.CustomWtHH2_2bits = 1;
Ptr->PtrHeader->Header.Part4.CustomWtHL2_2bits = 2;
Ptr->PtrHeader->Header.Part4.CustomWtLH2_2bits = 2;
Ptr->PtrHeader->Header.Part4.CustomWtHH3_2bits = 2;
Ptr->PtrHeader->Header.Part4.CustomWtHL3_2bits = 3;
Ptr->PtrHeader->Header.Part4.CustomWtLH3_2bits = 3;
Ptr->PtrHeader->Header.Part4.CustomWtLL3_2bits = 3;
Ptr->PtrHeader->Header.Part4.Reserved_11Bits = 0;
Ptr->ImageRows = 0;
Ptr->ImageWidth = 0;
Ptr->BitsPerPixel = 0;
Ptr->PixelByteOrder = 0;
Ptr->Bits = (BitStream *)calloc(1, sizeof(BitStream));
Ptr->Bits->ByteBuffer_4Bytes = 0;
Ptr->Bits->CodeWordAlighmentBits = 0;
Ptr->Bits->SegBitCounter = 0;
Ptr->Bits->TotalBitCounter = 0;
Ptr->Bits->buf_owned = 0;
Ptr->Bits->buf = NULL;
Ptr->Bits->buf_size = 0;
Ptr->Bits->buf_pos = 0;
Ptr->SegmentFull = FALSE;
Ptr->RateReached = FALSE;
Ptr->DecodingStopLocations.BitPlaneStopDecoding = -1;
Ptr->DecodingStopLocations.BlockNoStopDecoding = -1;
Ptr->DecodingStopLocations.LocationFind = FALSE;
Ptr->DecodingStopLocations.X_LocationStopDecoding = -1;
Ptr->DecodingStopLocations.Y_LocationStopDecoding = -1;
Ptr->DecodingStopLocations.stoppedstage = 10;
Ptr->Bits->CodeWord_Length = 8; /* default: CodewordLength_2Bits == 0 */
Ptr->altStrageStop = FALSE;
}
void HeaderOutput(StructCodingPara *PtrCoding)
{
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.StartImgFlag, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.EngImgFlg, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.SegmentCount_8Bits, 8);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.BitDepthDC_5Bits, 5);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.BitDepthAC_5Bits, 5);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.Reserved, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.Part2Flag, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.Part3Flag, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.Part4Flag, 1);
if (PtrCoding->PtrHeader->Header.Part1.EngImgFlg == TRUE) {
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.PadRows_3Bits, 3);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part1.Reserved_5Bits, 5);
}
if (PtrCoding->PtrHeader->Header.Part1.Part2Flag == TRUE) {
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits, 27);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part2.DCstop, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part2.BitPlaneStop_5Bits, 5);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part2.StageStop_2Bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part2.UseFill, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part2.Reserved_4Bits, 4);
}
if (PtrCoding->PtrHeader->Header.Part1.Part3Flag == TRUE) {
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part3.S_20Bits, 20);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part3.OptDCSelect, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part3.OptACSelect, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part3.Reserved_2Bits, 2);
}
if (PtrCoding->PtrHeader->Header.Part1.Part4Flag == TRUE) {
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.DWTType, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.Reserved_2Bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.SignedPixels, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.PixelBitDepth_4Bits, 4);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.ImageWidth_20Bits, 20);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.TransposeImg, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CodewordLength_2Bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.Reserved, 1);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtFlag, 1);
if (PtrCoding->PtrHeader->Header.Part4.CustomWtFlag == FALSE) {
BitsOutput(PtrCoding, 0, 8);
BitsOutput(PtrCoding, 0, 8);
BitsOutput(PtrCoding, 0, 4);
} else {
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtHH1_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtHL1_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtLH1_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtHH2_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtHL2_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtLH2_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtHH3_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtHL3_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtLH3_2bits, 2);
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.CustomWtLL3_2bits, 2);
}
BitsOutput(PtrCoding, PtrCoding->PtrHeader->Header.Part4.Reserved_11Bits, 11);
}
}
void HeaderReadin(StructCodingPara *PtrCoding)
{
DWORD32 Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part1.StartImgFlag = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part1.EngImgFlg = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 8);
PtrCoding->PtrHeader->Header.Part1.SegmentCount_8Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 5);
PtrCoding->PtrHeader->Header.Part1.BitDepthDC_5Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 5);
PtrCoding->PtrHeader->Header.Part1.BitDepthAC_5Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part1.Reserved = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part1.Part2Flag = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part1.Part3Flag = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part1.Part4Flag = (BOOL)Byte;
if (PtrCoding->PtrHeader->Header.Part1.EngImgFlg == TRUE) {
BitsRead(PtrCoding, &Byte, 3);
PtrCoding->PtrHeader->Header.Part1.PadRows_3Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 5);
PtrCoding->PtrHeader->Header.Part1.Reserved_5Bits = (UCHAR8)Byte;
}
if (PtrCoding->PtrHeader->Header.Part1.Part2Flag == TRUE) {
BitsRead(PtrCoding, &Byte, 27);
PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits = Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part2.DCstop = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 5);
PtrCoding->PtrHeader->Header.Part2.BitPlaneStop_5Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part2.StageStop_2Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part2.UseFill = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 4);
PtrCoding->PtrHeader->Header.Part2.Reserved_4Bits = (UCHAR8)Byte;
}
if (PtrCoding->PtrHeader->Header.Part1.Part3Flag == TRUE) {
BitsRead(PtrCoding, &Byte, 20);
PtrCoding->PtrHeader->Header.Part3.S_20Bits = Byte;
if (PtrCoding->BitsPerPixel != 0) {
PtrCoding->DecodingAllowedBitsSizeInSegment = (DWORD32)(
PtrCoding->BitsPerPixel *
PtrCoding->PtrHeader->Header.Part3.S_20Bits * 64);
if (PtrCoding->DecodingAllowedBitsSizeInSegment >
((DWORD32)PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits << 3))
PtrCoding->DecodingAllowedBitsSizeInSegment =
((DWORD32)PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits << 3);
} else {
PtrCoding->DecodingAllowedBitsSizeInSegment = 0;
if (PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits != 0)
PtrCoding->DecodingAllowedBitsSizeInSegment =
((DWORD32)PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits << 3);
}
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part3.OptDCSelect = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part3.OptACSelect = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part3.Reserved_2Bits = (UCHAR8)Byte;
} else {
PtrCoding->PtrHeader->Header.Part2.SegByteLimit_27Bits = 0;
}
if (PtrCoding->PtrHeader->Header.Part1.Part4Flag == TRUE) {
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part4.DWTType = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.Reserved_2Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part4.SignedPixels = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 4);
PtrCoding->PtrHeader->Header.Part4.PixelBitDepth_4Bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 20);
PtrCoding->PtrHeader->Header.Part4.ImageWidth_20Bits = (DWORD32)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part4.TransposeImg = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CodewordLength_2Bits = (UCHAR8)Byte;
if (PtrCoding->PtrHeader->Header.Part4.CodewordLength_2Bits == 0)
PtrCoding->Bits->CodeWord_Length = 8;
else if (PtrCoding->PtrHeader->Header.Part4.CodewordLength_2Bits == 1)
PtrCoding->Bits->CodeWord_Length = 16;
else if (PtrCoding->PtrHeader->Header.Part4.CodewordLength_2Bits == 2)
PtrCoding->Bits->CodeWord_Length = 24;
else if (PtrCoding->PtrHeader->Header.Part4.CodewordLength_2Bits == 3)
PtrCoding->Bits->CodeWord_Length = 32;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part4.Reserved = (BOOL)Byte;
BitsRead(PtrCoding, &Byte, 1);
PtrCoding->PtrHeader->Header.Part4.CustomWtFlag = (BOOL)Byte;
if (Byte == TRUE) {
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtHH1_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtHL1_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtLH1_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtHH2_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtHL2_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtLH2_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtHH3_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtHL3_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtLH3_2bits = (UCHAR8)Byte;
BitsRead(PtrCoding, &Byte, 2);
PtrCoding->PtrHeader->Header.Part4.CustomWtLL3_2bits = (UCHAR8)Byte;
} else {
BitsRead(PtrCoding, &Byte, 20);
}
BitsRead(PtrCoding, &Byte, 11);
PtrCoding->PtrHeader->Header.Part4.Reserved_11Bits = (WORD16)Byte;
}
PtrCoding->DecodingStopLocations.BitPlaneStopDecoding = -1;
PtrCoding->DecodingStopLocations.BlockNoStopDecoding = -1;
PtrCoding->DecodingStopLocations.LocationFind = FALSE;
PtrCoding->DecodingStopLocations.X_LocationStopDecoding = -1;
PtrCoding->DecodingStopLocations.Y_LocationStopDecoding = -1;
}
void HeaderUpdate(HeaderStruct *HeaderStr)
{
if (HeaderStr->Header.Part1.StartImgFlag == TRUE)
HeaderStr->Header.Part1.StartImgFlag = FALSE;
HeaderStr->Header.Part1.BitDepthAC_5Bits = 0;
HeaderStr->Header.Part1.BitDepthDC_5Bits = 0;
HeaderStr->Header.Part1.SegmentCount_8Bits++;
HeaderStr->Header.Part1.Part2Flag = FALSE;
HeaderStr->Header.Part1.Part3Flag = FALSE;
HeaderStr->Header.Part1.Part4Flag = FALSE;
if (HeaderStr->Header.Part3.S_20Bits < 16)
ErrorMsg(BPE_INVALID_HEADER);
}
Reference in a new issue View git blame Copy permalink