Method decode_tables

engine/dlib/src/basis/transcoder/basisu_transcoder.cpp:7749–7817

	}

	bool basisu_lowlevel_etc1s_transcoder::decode_tables(const uint8_t* pTable_data, uint32_t table_data_size)
	{
		basist::bitwise_decoder sym_codec;
		if (!sym_codec.init(pTable_data, table_data_size))
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 0\n");
			return false;
		}

		if (!sym_codec.read_huffman_table(m_endpoint_pred_model))
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 1\n");
			return false;
		}

		if (m_endpoint_pred_model.get_code_sizes().size() == 0)
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 1a\n");
			return false;
		}

		if (!sym_codec.read_huffman_table(m_delta_endpoint_model))
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 2\n");
			return false;
		}

		if (m_delta_endpoint_model.get_code_sizes().size() == 0)
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 2a\n");
			return false;
		}

		if (!sym_codec.read_huffman_table(m_selector_model))
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 3\n");
			return false;
		}

		if (m_selector_model.get_code_sizes().size() == 0)
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 3a\n");
			return false;
		}

		if (!sym_codec.read_huffman_table(m_selector_history_buf_rle_model))
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 4\n");
			return false;
		}

		if (m_selector_history_buf_rle_model.get_code_sizes().size() == 0)
		{
			BASISU_DEVEL_ERROR("basisu_lowlevel_etc1s_transcoder::decode_tables: fail 4a\n");
			return false;
		}

		m_selector_history_buf_size = sym_codec.get_bits(13);