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C++ LLBitPack类代码示例

本文整理汇总了C++中LLBitPack类的典型用法代码示例。如果您正苦于以下问题：C++ LLBitPack类的具体用法？C++ LLBitPack怎么用？C++ LLBitPack使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了LLBitPack类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: code_patch_group_header

void	code_patch_group_header(LLBitPack &bitpack, LLGroupHeader *gopp)
{
#ifdef LL_BIG_ENDIAN
	U8 *stride = (U8 *)&gopp->stride;
	bitpack.bitPack(&(stride[1]), 8);
	bitpack.bitPack(&(stride[0]), 8);
#else
	bitpack.bitPack((U8 *)&gopp->stride, 16);
#endif
	bitpack.bitPack((U8 *)&gopp->patch_size, 8);
	bitpack.bitPack((U8 *)&gopp->layer_type, 8);

	gPatchSize = gopp->patch_size; 
}
开发者ID:HizWylder，项目名称:GIS，代码行数:14，代码来源:patch_code.cpp

示例2: decode_patch_header

void	decode_patch_header(LLBitPack &bitpack, LLPatchHeader *ph)
{
	U8 retvalu8;

	retvalu8 = 0;
	bitpack.bitUnpack(&retvalu8, 8);
	ph->quant_wbits = retvalu8;

	if (END_OF_PATCHES == ph->quant_wbits)
	{
		// End of data, blitz the rest.
		ph->dc_offset = 0;
		ph->range = 0;
		ph->patchids = 0;
		return;
	}

	U32 retvalu32 = 0;
#ifdef LL_BIG_ENDIAN
	U8 *ret = (U8 *)&retvalu32;
	bitpack.bitUnpack(&(ret[3]), 8);
	bitpack.bitUnpack(&(ret[2]), 8);
	bitpack.bitUnpack(&(ret[1]), 8);
	bitpack.bitUnpack(&(ret[0]), 8);
#else
	bitpack.bitUnpack((U8 *)&retvalu32, 32);
#endif
	ph->dc_offset = *(F32 *)&retvalu32;

	U16 retvalu16 = 0;
#ifdef LL_BIG_ENDIAN
	ret = (U8 *)&retvalu16;
	bitpack.bitUnpack(&(ret[1]), 8);
	bitpack.bitUnpack(&(ret[0]), 8);
#else
	bitpack.bitUnpack((U8 *)&retvalu16, 16);
#endif
	ph->range = retvalu16;

	retvalu16 = 0;
#ifdef LL_BIG_ENDIAN
	ret = (U8 *)&retvalu16;
	bitpack.bitUnpack(&(ret[1]), 8);
	bitpack.bitUnpack(&(ret[0]), 2);
#else
	bitpack.bitUnpack((U8 *)&retvalu16, 10);
#endif
	ph->patchids = retvalu16;

	gWordBits = (ph->quant_wbits & 0xf) + 2;
}
开发者ID:HizWylder，项目名称:GIS，代码行数:51，代码来源:patch_code.cpp

示例3: decode_patch_group_header

void	decode_patch_group_header(LLBitPack &bitpack, LLGroupHeader *gopp)
{
	U16 retvalu16;

	retvalu16 = 0;
#ifdef LL_BIG_ENDIAN
	U8 *ret = (U8 *)&retvalu16;
	bitpack.bitUnpack(&(ret[1]), 8);
	bitpack.bitUnpack(&(ret[0]), 8);
#else
	bitpack.bitUnpack((U8 *)&retvalu16, 16);
#endif
	gopp->stride = retvalu16;

	U8 retvalu8 = 0;
	bitpack.bitUnpack(&retvalu8, 8);
	gopp->patch_size = retvalu8;

	retvalu8 = 0;
	bitpack.bitUnpack(&retvalu8, 8);
	gopp->layer_type = retvalu8;

	gPatchSize = gopp->patch_size; 
}
开发者ID:HizWylder，项目名称:GIS，代码行数:24，代码来源:patch_code.cpp

示例4: code_patch_header

void	code_patch_header(LLBitPack &bitpack, LLPatchHeader *ph, S32 *patch)
{
	S32		i, j, temp, patch_size = gPatchSize, wbits = (ph->quant_wbits & 0xf) + 2;
	U32     max_wbits = wbits + 5, min_wbits = wbits>>1;

	wbits = min_wbits;

	for (i = 0; i < (int) patch_size*patch_size; i++)
	{
		temp = patch[i];
		if (temp)
		{
			if (temp < 0)
				temp *= -1;
			for (j = max_wbits; j > (int) min_wbits; j--)
			{
				if (temp & (1<<j))
				{
					if (j > wbits)
						wbits = j;
					break;
				}
			}
		}
	}

	wbits += 1;

	ph->quant_wbits &= 0xf0;

	if (  (wbits > 17)
		||(wbits < 2))
	{
		llerrs << "Bits needed per word in code_patch_header out of legal range.  Adjust compression quatization." << llendl;
	}

	ph->quant_wbits |= (wbits - 2);

	bitpack.bitPack((U8 *)&ph->quant_wbits, 8);
#ifdef LL_BIG_ENDIAN
	U8 *offset = (U8 *)&ph->dc_offset;
	bitpack.bitPack(&(offset[3]), 8);
	bitpack.bitPack(&(offset[2]), 8);
	bitpack.bitPack(&(offset[1]), 8);
	bitpack.bitPack(&(offset[0]), 8);
#else
	bitpack.bitPack((U8 *)&ph->dc_offset, 32);
#endif
#ifdef LL_BIG_ENDIAN
	U8 *range = (U8 *)&ph->range;
	bitpack.bitPack(&(range[1]), 8);
	bitpack.bitPack(&(range[0]), 8);
#else
	bitpack.bitPack((U8 *)&ph->range, 16);
#endif
#ifdef LL_BIG_ENDIAN
	U8 *ids = (U8 *)&ph->patchids;
	bitpack.bitPack(&(ids[1]), 8);
	bitpack.bitPack(&(ids[0]), 2);
#else
	bitpack.bitPack((U8 *)&ph->patchids, 10);
#endif

	gWordBits = wbits;
}
开发者ID:HizWylder，项目名称:GIS，代码行数:65，代码来源:patch_code.cpp

示例5: init_patch_coding

void	init_patch_coding(LLBitPack &bitpack)
{
	bitpack.resetBitPacking();
}
开发者ID:HizWylder，项目名称:GIS，代码行数:4，代码来源:patch_code.cpp

示例6: decode_patch

void	decode_patch(LLBitPack &bitpack, S32 *patches)
{
#ifdef LL_BIG_ENDIAN
	S32		i, j, patch_size = gPatchSize, wbits = gWordBits;
	U8		tempu8;
	U16		tempu16;
	U32		tempu32;
	for (i = 0; i < patch_size*patch_size; i++)
	{
		bitpack.bitUnpack((U8 *)&tempu8, 1);
		if (tempu8)
		{
			// either 0 EOB or Value
			bitpack.bitUnpack((U8 *)&tempu8, 1);
			if (tempu8)
			{
				// value
				bitpack.bitUnpack((U8 *)&tempu8, 1);
				if (tempu8)
				{
					// negative
					patches[i] = -1;
				}
				else
				{
					// positive
					patches[i] = 1;
				}
				if (wbits <= 8)
				{
					bitpack.bitUnpack((U8 *)&tempu8, wbits);
					patches[i] *= tempu8;
				}
				else if (wbits <= 16)
				{
					tempu16 = 0;
					U8 *ret = (U8 *)&tempu16;
					bitpack.bitUnpack(&(ret[1]), 8);
					bitpack.bitUnpack(&(ret[0]), wbits - 8);
					patches[i] *= tempu16;
				}
				else if (wbits <= 24)
				{
					tempu32 = 0;
					U8 *ret = (U8 *)&tempu32;
					bitpack.bitUnpack(&(ret[2]), 8);
					bitpack.bitUnpack(&(ret[1]), 8);
					bitpack.bitUnpack(&(ret[0]), wbits - 16);
					patches[i] *= tempu32;
				}
				else if (wbits <= 32)
				{
					tempu32 = 0;
					U8 *ret = (U8 *)&tempu32;
					bitpack.bitUnpack(&(ret[3]), 8);
					bitpack.bitUnpack(&(ret[2]), 8);
					bitpack.bitUnpack(&(ret[1]), 8);
					bitpack.bitUnpack(&(ret[0]), wbits - 24);
					patches[i] *= tempu32;
				}
			}
			else
			{
				for (j = i; j < patch_size*patch_size; j++)
				{
					patches[j] = 0;
				}
				return;
			}
		}
		else
		{
			patches[i] = 0;
		}
	}
#else
	S32		i, j, patch_size = gPatchSize, wbits = gWordBits;
	U32		temp;
	for (i = 0; i < patch_size*patch_size; i++)
	{
		temp = 0;
		bitpack.bitUnpack((U8 *)&temp, 1);
		if (temp)
		{
			// either 0 EOB or Value
			temp = 0;
			bitpack.bitUnpack((U8 *)&temp, 1);
			if (temp)
			{
				// value
				temp = 0;
				bitpack.bitUnpack((U8 *)&temp, 1);
				if (temp)
				{
					// negative
					temp = 0;
					bitpack.bitUnpack((U8 *)&temp, wbits);
					patches[i] = temp;
					patches[i] *= -1;
				}
//.........这里部分代码省略.........
开发者ID:HizWylder，项目名称:GIS，代码行数:101，代码来源:patch_code.cpp

示例7: end_patch_coding

void	end_patch_coding(LLBitPack &bitpack)
{
	bitpack.flushBitPack();
}
开发者ID:HizWylder，项目名称:GIS，代码行数:4，代码来源:patch_code.cpp

示例8: code_patch

void code_patch(LLBitPack &bitpack, S32 *patch, S32 postquant)
{
	S32		i, j, patch_size = gPatchSize, wbits = gWordBits;
	S32		temp;
	BOOL	b_eob;

	if (  (postquant > patch_size*patch_size)
		||(postquant < 0))
	{
		llerrs << "Bad postquant in code_patch!"  << llendl;
	}

	if (postquant)
		patch[patch_size*patch_size - postquant] = 0;

	for (i = 0; i < patch_size*patch_size; i++)
	{
		b_eob = FALSE;
		temp = patch[i];
		if (!temp)
		{
			b_eob = TRUE;
			for (j = i; j < patch_size*patch_size - postquant; j++)
			{
				if (patch[j])
				{
					b_eob = FALSE;
					break;
				}
			}
			if (b_eob)
			{
				bitpack.bitPack((U8 *)&ZERO_EOB, 2);
				return;
			}
			else
			{
				bitpack.bitPack((U8 *)&ZERO_CODE, 1);
			}
		}
		else
		{
			if (temp < 0)
			{
				temp *= -1;
				if (temp > (1<<wbits))
				{
					temp = (1<<wbits);
//					printf("patch quatization exceeding allowable bits!");
				}
				bitpack.bitPack((U8 *)&NEGATIVE_VALUE, 3);
				bitpack.bitPack((U8 *)&temp, wbits);
			}
			else
			{
				if (temp > (1<<wbits))
				{
					temp = (1<<wbits);
//					printf("patch quatization exceeding allowable bits!");
				}
				bitpack.bitPack((U8 *)&POSITIVE_VALUE, 3);
				bitpack.bitPack((U8 *)&temp, wbits);
			}
		}
	}
}
开发者ID:HizWylder，项目名称:GIS，代码行数:66，代码来源:patch_code.cpp

示例9: code_end_of_data

void	code_end_of_data(LLBitPack &bitpack)
{
	bitpack.bitPack((U8 *)&END_OF_PATCHES, 8);
}
开发者ID:HizWylder，项目名称:GIS，代码行数:4，代码来源:patch_code.cpp

示例10: decode_patch_header

// <FS:CR> Aurora Sim
//void	decode_patch_header(LLBitPack &bitpack, LLPatchHeader *ph)
void	decode_patch_header(LLBitPack &bitpack, LLPatchHeader *ph, bool b_large_patch)
// </FS:CR> Aurora Sim
{
	U8 retvalu8;

	retvalu8 = 0;
	bitpack.bitUnpack(&retvalu8, 8);
	ph->quant_wbits = retvalu8;

	if (END_OF_PATCHES == ph->quant_wbits)
	{
		// End of data, blitz the rest.
		ph->dc_offset = 0;
		ph->range = 0;
		ph->patchids = 0;
		return;
	}

	U32 retvalu32 = 0;
#ifdef LL_BIG_ENDIAN
	U8 *ret = (U8 *)&retvalu32;
	bitpack.bitUnpack(&(ret[3]), 8);
	bitpack.bitUnpack(&(ret[2]), 8);
	bitpack.bitUnpack(&(ret[1]), 8);
	bitpack.bitUnpack(&(ret[0]), 8);
#else
	bitpack.bitUnpack((U8 *)&retvalu32, 32);
#endif
	ph->dc_offset = *(F32 *)&retvalu32;

	U16 retvalu16 = 0;
#ifdef LL_BIG_ENDIAN
	ret = (U8 *)&retvalu16;
	bitpack.bitUnpack(&(ret[1]), 8);
	bitpack.bitUnpack(&(ret[0]), 8);
#else
	bitpack.bitUnpack((U8 *)&retvalu16, 16);
#endif
	ph->range = retvalu16;

// <FS:CR> Aurora Sim
	//retvalu16 = 0;
	retvalu32 = 0;
#ifdef LL_BIG_ENDIAN
	//ret = (U8 *)&retvalu16;
	ret = (U8*)&retvalu32;
// </FS:CR> Aurora Sim
	if (b_large_patch)
	{
		bitpack.bitUnpack(&(ret[3]), 8);
		bitpack.bitUnpack(&(ret[2]), 8);
		bitpack.bitUnpack(&(ret[1]), 8);
		bitpack.bitUnpack(&(ret[0]), 8);
	}
	else
	{
		bitpack.bitUnpack(&(ret[1]), 8);
		bitpack.bitUnpack(&(ret[0]), 2);
	}
#else
// <FS:CR> Aurora Sim
	//bitpack.bitUnpack((U8 *)&retvalu16, 10);
	bitpack.bitUnpack((U8*)&retvalu32, b_large_patch ? 32 : 10);
#endif
	//ph->patchids = retvalu16;
	ph->patchids = retvalu32;
// </FS:CR> Aurora Sim

	gWordBits = (ph->quant_wbits & 0xf) + 2;
}
开发者ID:1234-，项目名称:SingularityViewer，代码行数:72，代码来源:patch_code.cpp


注：本文中的LLBitPack类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。